Line data Source code
1 : /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
2 : * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Brian Bruns
3 : * Copyright (C) 2010-2015 Frediano Ziglio
4 : *
5 : * This library is free software; you can redistribute it and/or
6 : * modify it under the terms of the GNU Library General Public
7 : * License as published by the Free Software Foundation; either
8 : * version 2 of the License, or (at your option) any later version.
9 : *
10 : * This library is distributed in the hope that it will be useful,
11 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 : * Library General Public License for more details.
14 : *
15 : * You should have received a copy of the GNU Library General Public
16 : * License along with this library; if not, write to the
17 : * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 : * Boston, MA 02111-1307, USA.
19 : */
20 :
21 : #include <config.h>
22 :
23 : #include <stdarg.h>
24 : #include <stdio.h>
25 :
26 : #include <freetds/time.h>
27 :
28 : #include <assert.h>
29 : #include <ctype.h>
30 :
31 : #if HAVE_ERRNO_H
32 : #include <errno.h>
33 : #endif /* HAVE_ERRNO_H */
34 :
35 : #if HAVE_STDLIB_H
36 : #include <stdlib.h>
37 : #endif /* HAVE_STDLIB_H */
38 :
39 : #if HAVE_STRING_H
40 : #include <string.h>
41 : #endif /* HAVE_STRING_H */
42 :
43 : #if HAVE_STRINGS_H
44 : #include <strings.h>
45 : #endif /* HAVE_STRINGS_H */
46 :
47 : #include <freetds/tds.h>
48 : #include <freetds/convert.h>
49 : #include <freetds/bytes.h>
50 : #include <freetds/replacements.h>
51 : #include <freetds/utils.h>
52 :
53 : typedef unsigned short utf16_t;
54 :
55 : struct tds_time
56 : {
57 : int tm_year; /**< year (0=1900) */
58 : int tm_mon; /**< month (0-11) */
59 : int tm_mday; /**< month day (1-31) */
60 : int tm_hour; /**< hours (0-23) */
61 : int tm_min; /**< minutes (0-59) */
62 : int tm_sec; /**< seconds (0-59) */
63 : int tm_ns; /**< nanoseconds (0-999999999) */
64 : };
65 :
66 : static TDS_INT tds_convert_int(TDS_INT num, int desttype, CONV_RESULT * cr);
67 : static TDS_INT tds_convert_uint8(const TDS_UINT8 * src, int desttype, CONV_RESULT * cr);
68 : static int string_to_datetime(const char *datestr, TDS_UINT len, int desttype, CONV_RESULT * cr);
69 : static bool is_dd_mon_yyyy(char *t);
70 : static int store_dd_mon_yyy_date(char *datestr, struct tds_time *t);
71 : static const char *parse_numeric(const char *buf, const char *pend,
72 : bool * p_negative, size_t *p_digits, size_t *p_decimals);
73 :
74 : #define test_alloc(x) {if ((x)==NULL) return TDS_CONVERT_NOMEM;}
75 :
76 : /*
77 : * Macros for number checks.
78 : * They work for signed/unsigned integers and floating point values
79 : * (accounting for truncation of any fractional portions of the latter).
80 : */
81 : #define IS_TINYINT(x) ( -1 < (x) && (x) < 0x100 )
82 : #define IS_SMALLINT(x) ( -32769 < (x) && (x) < 32768 )
83 : #define IS_USMALLINT(x) ( -1 < (x) && (x) < 65536 )
84 : #define IS_SINT1(x) ( -129 < (x) && (x) < 128 )
85 :
86 : /*
87 : * Macros for integer number checks.
88 : *
89 : * f77: I don't write -2147483648, some compiler seem to have some problem
90 : * with this constant although is a valid 32bit value
91 : */
92 : #define TDS_INT_MIN (-2147483647-1)
93 : #define TDS_INT_MAX 2147483647
94 : #define INT_IS_INT(x) (TDS_INT_MIN <= (x) && (x) <= TDS_INT_MAX)
95 : #define TDS_UINT_MAX 4294967295u
96 : #define INT_IS_UINT(x) (0 <= (x) && (x) <= (TDS_INT8) TDS_UINT_MAX)
97 : #define TDS_INT8_MIN (-INT64_C(9223372036854775807)-1)
98 : #define TDS_INT8_MAX INT64_C(9223372036854775807)
99 :
100 : /*
101 : * Macros for floating point number checks.
102 : * To avoid possible loss of precision, use upper bounds for floating point
103 : * values and test MIN - (x) < 1 rather than MIN - 1 < (x) for signed
104 : * destination types.
105 : */
106 : #define TDS_INT_UPPER_FLOAT 2147483648.0f
107 : #define FLOAT_IS_INT(x) (TDS_INT_MIN - (x) < 1.0f && (x) < TDS_INT_UPPER_FLOAT)
108 : #define TDS_UINT_UPPER_FLOAT 4294967296.0f
109 : #define FLOAT_IS_UINT(x) (-1.0f < (x) && (x) < TDS_UINT_UPPER_FLOAT)
110 : #define TDS_INT8_MIN_FLOAT (-9223372036854775808.0f)
111 : #define TDS_INT8_UPPER_FLOAT 9223372036854775808.0f
112 : #define FLOAT_IS_INT8(x) (TDS_INT8_MIN_FLOAT - (x) < 1.0f && (x) < TDS_INT8_UPPER_FLOAT)
113 : #define TDS_UINT8_UPPER 18446744073709551616.0f
114 : #define FLOAT_IS_UINT8(x) (-1.0f < (x) && (x) < TDS_UINT8_UPPER)
115 :
116 : #define TDS_ISDIGIT(c) ((c) >= '0' && (c) <= '9')
117 :
118 : #define BIGDATETIME_BIAS 693961
119 :
120 : /**
121 : * \ingroup libtds
122 : * \defgroup convert Conversion
123 : * Conversions between datatypes. Supports, for example, dbconvert().
124 : */
125 :
126 : /**
127 : * \addtogroup convert
128 : * @{
129 : */
130 :
131 : /**
132 : * convert a number in string to a TDSNUMERIC
133 : * @return sizeof(TDS_NUMERIC) on success, TDS_CONVERT_* failure code on failure
134 : */
135 : static int string_to_numeric(const char *instr, const char *pend, CONV_RESULT * cr);
136 :
137 : /**
138 : * convert a zero terminated string to NUMERIC
139 : * @return sizeof(TDS_NUMERIC) on success, TDS_CONVERT_* failure code on failure
140 : */
141 : static int stringz_to_numeric(const char *instr, CONV_RESULT * cr);
142 :
143 : static TDS_INT string_to_int(const char *buf, const char *pend, TDS_INT * res);
144 : static TDS_INT string_to_int8(const char *buf, const char *pend, TDS_INT8 * res);
145 : static TDS_INT string_to_uint8(const char *buf, const char *pend, TDS_UINT8 * res);
146 : static TDS_INT string_to_float(const TDS_CHAR * src, TDS_UINT srclen, int desttype, CONV_RESULT * cr);
147 :
148 : static int store_hour(const char *, const char *, struct tds_time *);
149 : static int store_time(const char *, struct tds_time *);
150 : static int store_yymmdd_date(const char *, struct tds_time *);
151 : static int store_monthname(const char *, struct tds_time *);
152 : static int store_numeric_date(const char *, struct tds_time *);
153 : static int store_mday(const char *, struct tds_time *);
154 : static int store_year(int, struct tds_time *);
155 :
156 : /* static int days_this_year (int years); */
157 : static bool is_timeformat(const char *);
158 : static bool is_numeric(const char *);
159 : static bool is_alphabetic(const char *);
160 : static bool is_ampm(const char *);
161 : #define is_monthname(s) (store_monthname(s, NULL) >= 0)
162 : static bool is_numeric_dateformat(const char *);
163 :
164 : #if 0
165 : static TDS_UINT utf16len(const utf16_t * s);
166 : static const char *tds_prtype(int token);
167 : #endif
168 :
169 : const char tds_hex_digits[] = "0123456789abcdef";
170 :
171 : /**
172 : * Copy a terminated string to result and return len or TDS_CONVERT_NOMEM
173 : */
174 : static TDS_INT
175 21294 : string_to_result(int desttype, const char *s, CONV_RESULT * cr)
176 : {
177 21294 : size_t len = strlen(s);
178 :
179 21294 : if (desttype != TDS_CONVERT_CHAR) {
180 6438 : cr->c = tds_new(TDS_CHAR, len + 1);
181 6438 : test_alloc(cr->c);
182 6438 : memcpy(cr->c, s, len + 1);
183 : } else {
184 14856 : memcpy(cr->cc.c, s, len < cr->cc.len ? len : cr->cc.len);
185 : }
186 21294 : return (TDS_INT)len;
187 : }
188 :
189 : /**
190 : * Copy binary data to to result and return len or TDS_CONVERT_NOMEM
191 : */
192 : static TDS_INT
193 2196 : binary_to_result(int desttype, const void *data, size_t len, CONV_RESULT * cr)
194 : {
195 2196 : if (desttype != TDS_CONVERT_BINARY) {
196 2166 : cr->ib = tds_new(TDS_CHAR, len);
197 2166 : test_alloc(cr->ib);
198 2166 : memcpy(cr->ib, data, len);
199 : } else {
200 30 : memcpy(cr->cb.ib, data, len < cr->cb.len ? len : cr->cb.len);
201 : }
202 2196 : return (TDS_INT)len;
203 : }
204 :
205 : #define CASE_ALL_CHAR \
206 : SYBCHAR: case SYBVARCHAR: case SYBTEXT: case XSYBCHAR: case XSYBVARCHAR
207 : #define CASE_ALL_BINARY \
208 : SYBBINARY: case SYBVARBINARY: case SYBIMAGE: case XSYBBINARY: case XSYBVARBINARY: \
209 : case SYBLONGBINARY: case TDS_CONVERT_BINARY
210 :
211 : /* TODO implement me */
212 : /*
213 : static TDS_INT
214 : tds_convert_ntext(int srctype,TDS_CHAR *src,TDS_UINT srclen,
215 : int desttype, CONV_RESULT *cr)
216 : {
217 : return TDS_CONVERT_NOAVAIL;
218 : }
219 : */
220 :
221 : static TDS_INT
222 18330 : tds_convert_binary(const TDS_UCHAR * src, TDS_INT srclen, int desttype, CONV_RESULT * cr)
223 : {
224 : int cplen;
225 : int s;
226 : char *c;
227 :
228 18330 : switch (desttype) {
229 768 : case TDS_CONVERT_CHAR:
230 768 : cplen = srclen * 2;
231 768 : if ((TDS_UINT)cplen > cr->cc.len)
232 480 : cplen = cr->cc.len;
233 :
234 768 : c = cr->cc.c;
235 800946 : for (s = 0; cplen >= 2; ++s, cplen -= 2) {
236 800178 : *c++ = tds_hex_digits[src[s]>>4];
237 800178 : *c++ = tds_hex_digits[src[s]&0xF];
238 : }
239 768 : if (cplen)
240 240 : *c = tds_hex_digits[src[s]>>4];
241 : return srclen * 2;
242 :
243 662 : case CASE_ALL_CHAR:
244 :
245 : /*
246 : * NOTE: Do not prepend 0x to string.
247 : * The libraries all expect a bare string, without a 0x prefix.
248 : * Applications such as isql and query analyzer provide the "0x" prefix.
249 : */
250 :
251 : /* 2 * source length + 1 for terminator */
252 :
253 662 : cr->c = tds_new(TDS_CHAR, (srclen * 2) + 1);
254 662 : test_alloc(cr->c);
255 :
256 : c = cr->c;
257 :
258 115122 : for (s = 0; s < srclen; s++) {
259 115122 : *c++ = tds_hex_digits[src[s]>>4];
260 115122 : *c++ = tds_hex_digits[src[s]&0xF];
261 : }
262 :
263 662 : *c = '\0';
264 662 : return (srclen * 2);
265 : break;
266 2080 : case SYBINT1:
267 : case SYBSINT1:
268 : case SYBUINT1:
269 : case SYBINT2:
270 : case SYBUINT2:
271 : case SYBINT4:
272 : case SYBUINT4:
273 : case SYBINT8:
274 : case SYBUINT8:
275 : case SYBMONEY4:
276 : case SYBMONEY:
277 : case SYBREAL:
278 : case SYBFLT8:
279 2080 : cplen = tds_get_size_by_type(desttype);
280 2080 : if (srclen >= cplen)
281 680 : srclen = cplen;
282 2080 : memcpy(cr, src, srclen);
283 2080 : memset(((char*) cr) + srclen, 0, cplen - srclen);
284 2080 : return cplen;
285 : break;
286 :
287 : /* conversions not allowed */
288 : case SYBDATETIME4:
289 : case SYBDATETIME:
290 : case SYBDATETIMN:
291 :
292 : /* TODO should we do some test for these types or work as ints ?? */
293 : case SYBDECIMAL:
294 : case SYBNUMERIC:
295 : case SYBBIT:
296 : case SYBBITN:
297 :
298 : default:
299 : break;
300 : }
301 : return TDS_CONVERT_NOAVAIL;
302 : }
303 :
304 : TDS_INT
305 1032 : tds_char2hex(TDS_CHAR *dest, TDS_UINT destlen, const TDS_CHAR * src, TDS_UINT srclen)
306 : {
307 : unsigned int i;
308 1032 : unsigned char hex1, c = 0;
309 :
310 : /* if srclen if odd we must add a "0" before ... */
311 1032 : i = 0; /* number where to start converting */
312 1032 : if (srclen & 1) {
313 360 : ++srclen;
314 360 : i = 1;
315 360 : --src;
316 : }
317 622120 : for (; i < srclen; ++i) {
318 622130 : hex1 = src[i];
319 :
320 622130 : if ('0' <= hex1 && hex1 <= '9')
321 519362 : hex1 &= 0x0f;
322 : else {
323 102768 : hex1 &= 0x20 ^ 0xff; /* mask off 0x20 to ensure upper case */
324 102768 : if ('A' <= hex1 && hex1 <= 'F') {
325 102758 : hex1 -= ('A' - 10);
326 : } else {
327 10 : tdsdump_log(TDS_DBG_INFO1,
328 : "error_handler: attempt to convert data stopped by syntax error in source field \n");
329 : return TDS_CONVERT_SYNTAX;
330 : }
331 : }
332 622120 : assert(hex1 < 0x10);
333 :
334 622120 : if ((i/2u) >= destlen)
335 0 : continue;
336 :
337 622120 : if (i & 1)
338 311240 : dest[i / 2u] = c | hex1;
339 : else
340 310880 : c = hex1 << 4;
341 : }
342 1022 : return srclen / 2u;
343 : }
344 :
345 : static TDS_INT
346 1424124 : tds_convert_char(const TDS_CHAR * src, TDS_UINT srclen, int desttype, CONV_RESULT * cr)
347 : {
348 : unsigned int i;
349 :
350 : TDS_INT8 mymoney;
351 : char mynumber[28];
352 :
353 : TDS_INT tds_i;
354 : TDS_INT8 tds_i8;
355 : TDS_UINT8 tds_ui8;
356 : TDS_INT rc;
357 :
358 : bool negative;
359 : size_t digits, decimals;
360 :
361 1424124 : switch (desttype) {
362 0 : case TDS_CONVERT_CHAR:
363 0 : memcpy(cr->cc.c, src, srclen < cr->cc.len ? srclen : cr->cc.len);
364 0 : return srclen;
365 :
366 2190 : case CASE_ALL_CHAR:
367 2190 : cr->c = tds_new(TDS_CHAR, srclen + 1);
368 2190 : test_alloc(cr->c);
369 2190 : memcpy(cr->c, src, srclen);
370 2190 : cr->c[srclen] = 0;
371 2190 : return srclen;
372 : break;
373 :
374 94030 : case SYBSINT1:
375 94030 : if ((rc = string_to_int(src, src + srclen, &tds_i)) < 0)
376 : return rc;
377 58660 : if (!IS_SINT1(tds_i))
378 : return TDS_CONVERT_OVERFLOW;
379 10970 : cr->ti = tds_i;
380 10970 : return sizeof(TDS_TINYINT);
381 : break;
382 202870 : case SYBINT1:
383 : case SYBUINT1:
384 202870 : if ((rc = string_to_int(src, src + srclen, &tds_i)) < 0)
385 : return rc;
386 126060 : if (!IS_TINYINT(tds_i))
387 : return TDS_CONVERT_OVERFLOW;
388 25520 : cr->ti = tds_i;
389 25520 : return sizeof(TDS_TINYINT);
390 : break;
391 101540 : case SYBINT2:
392 101540 : if ((rc = string_to_int(src, src + srclen, &tds_i)) < 0)
393 : return rc;
394 63080 : if (!IS_SMALLINT(tds_i))
395 : return TDS_CONVERT_OVERFLOW;
396 33330 : cr->si = tds_i;
397 33330 : return sizeof(TDS_SMALLINT);
398 : break;
399 101410 : case SYBUINT2:
400 101410 : if ((rc = string_to_int(src, src + srclen, &tds_i)) < 0)
401 : return rc;
402 62960 : if (!IS_USMALLINT(tds_i))
403 : return TDS_CONVERT_OVERFLOW;
404 23870 : cr->usi = (TDS_USMALLINT) tds_i;
405 23870 : return sizeof(TDS_USMALLINT);
406 : break;
407 102114 : case SYBINT4:
408 102114 : if ((rc = string_to_int(src, src + srclen, &tds_i)) < 0)
409 : return rc;
410 63504 : cr->i = tds_i;
411 63504 : return sizeof(TDS_INT);
412 : break;
413 101450 : case SYBUINT4:
414 101450 : if ((rc = string_to_int8(src, src + srclen, &tds_i8)) < 0)
415 : return rc;
416 89580 : if (!INT_IS_UINT(tds_i8))
417 : return TDS_CONVERT_OVERFLOW;
418 39090 : cr->ui = (TDS_UINT) tds_i8;
419 39090 : return sizeof(TDS_UINT);
420 : break;
421 101720 : case SYBINT8:
422 101720 : if ((rc = string_to_int8(src, src + srclen, &tds_i8)) < 0)
423 : return rc;
424 89690 : cr->bi = tds_i8;
425 89690 : return sizeof(TDS_INT8);
426 : break;
427 101580 : case SYBUINT8:
428 101580 : if ((rc = string_to_uint8(src, src + srclen, &tds_ui8)) < 0)
429 : return rc;
430 52460 : cr->ubi = tds_ui8;
431 52460 : return sizeof(TDS_UINT8);
432 : break;
433 189250 : case SYBFLT8:
434 : case SYBREAL:
435 189250 : return string_to_float(src, srclen, desttype, cr);
436 : break;
437 590 : case SYBBIT:
438 : case SYBBITN:
439 590 : if ((rc = string_to_int(src, src + srclen, &tds_i)) < 0)
440 : return rc;
441 590 : cr->ti = tds_i ? 1 : 0;
442 590 : return sizeof(TDS_TINYINT);
443 : break;
444 203750 : case SYBMONEY:
445 : case SYBMONEY4:
446 :
447 203750 : src = parse_numeric(src, src + srclen, &negative, &digits, &decimals);
448 203750 : if (!src)
449 : return TDS_CONVERT_SYNTAX;
450 203720 : if (digits > 18)
451 : return TDS_CONVERT_OVERFLOW;
452 :
453 171480 : i = 0;
454 171480 : if (negative)
455 78360 : mynumber[i++] = '-';
456 1099000 : for (; digits; --digits)
457 1099000 : mynumber[i++] = *src++;
458 171480 : src++;
459 174280 : for (digits = 0; digits < 4 && digits < decimals; ++digits)
460 2800 : mynumber[i++] = *src++;
461 683120 : for (; digits < 4; ++digits)
462 683120 : mynumber[i++] = '0';
463 :
464 : /* convert number and check for overflow */
465 171480 : if ((rc = string_to_int8(mynumber, mynumber + i, &mymoney)) < 0)
466 : return rc;
467 :
468 163200 : if (desttype == SYBMONEY) {
469 81590 : cr->m.mny = mymoney;
470 81590 : return sizeof(TDS_MONEY);
471 : } else {
472 81610 : if (!INT_IS_INT(mymoney))
473 : return TDS_CONVERT_OVERFLOW;
474 54020 : cr->m4.mny4 = (TDS_INT) mymoney;
475 54020 : return sizeof(TDS_MONEY4);
476 : }
477 : break;
478 2868 : case SYBDATETIME:
479 : case SYBDATETIME4:
480 : case SYBMSTIME:
481 : case SYBMSDATE:
482 : case SYBMSDATETIME2:
483 : case SYBMSDATETIMEOFFSET:
484 : case SYBTIME:
485 : case SYBDATE:
486 : case SYB5BIGTIME:
487 : case SYB5BIGDATETIME:
488 2868 : return string_to_datetime(src, srclen, desttype, cr);
489 : break;
490 107630 : case SYBNUMERIC:
491 : case SYBDECIMAL:
492 107630 : return string_to_numeric(src, src + srclen, cr);
493 : break;
494 282 : case SYBUNIQUE:{
495 282 : unsigned n = 0;
496 : char c;
497 :
498 : /*
499 : * format: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
500 : * or {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}
501 : * or XXXXXXXX-XXXX-XXXX-XXXXXXXXXXXXXXXX
502 : * or {XXXXXXXX-XXXX-XXXX-XXXXXXXXXXXXXXXX}
503 : * SQL seem to ignore the additional braces.
504 : */
505 282 : if (srclen < (32 + 3))
506 : return TDS_CONVERT_SYNTAX;
507 :
508 192 : if (src[0] == '{') {
509 10 : TDS_UINT last = (src[8+1 + 4+1 + 4+1 + 4 + 1] == '-') ? 32+4+1 : 32+3+1;
510 10 : if (srclen <= last || src[last] != '}')
511 : return TDS_CONVERT_SYNTAX;
512 10 : ++src;
513 : }
514 :
515 : /*
516 : * Test each character and get value.
517 : * sscanf works if the number terminates with less digits.
518 : */
519 5380 : for (i = 0; i < 32 + 3; ++i) {
520 5430 : c = src[i];
521 5430 : switch (i) {
522 162 : case 8:
523 162 : if (c != '-')
524 : return TDS_CONVERT_SYNTAX;
525 162 : cr->u.Data1 = n;
526 162 : n = 0;
527 162 : break;
528 162 : case 8+1 + 4:
529 162 : if (c != '-')
530 : return TDS_CONVERT_SYNTAX;
531 162 : cr->u.Data2 = n;
532 162 : n = 0;
533 162 : break;
534 152 : case 8+1 + 4+1 + 4:
535 152 : if (c != '-')
536 : return TDS_CONVERT_SYNTAX;
537 152 : cr->u.Data3 = n;
538 152 : n = 0;
539 152 : break;
540 152 : case 8+1 + 4+1 + 4+1 + 4:
541 : /* skip last (optional) dash */
542 152 : if (c == '-') {
543 112 : if (--srclen < 32 + 3)
544 : return TDS_CONVERT_SYNTAX;
545 112 : c = (++src)[i];
546 : }
547 : /* fall through */
548 : default:
549 4954 : n = n << 4;
550 4954 : if (c >= '0' && c <= '9')
551 3396 : n += c - '0';
552 : else {
553 1558 : c &= 0x20 ^ 0xff;
554 1558 : if (c >= 'A' && c <= 'F')
555 1508 : n += c - ('A' - 10);
556 : else
557 : return TDS_CONVERT_SYNTAX;
558 : }
559 4904 : if (i > (16 + 2) && !(i & 1)) {
560 1156 : cr->u.Data4[(i >> 1) - 10] = n;
561 1156 : n = 0;
562 : }
563 : }
564 : }
565 : }
566 : return sizeof(TDS_UNIQUE);
567 : default:
568 : return TDS_CONVERT_NOAVAIL;
569 : break;
570 : } /* end switch */
571 : } /* tds_convert_char */
572 :
573 : static TDS_INT
574 : tds_convert_bit(const TDS_CHAR * src, int desttype, CONV_RESULT * cr)
575 : {
576 6606 : return tds_convert_int(src[0] ? 1 : 0, desttype, cr);
577 : }
578 :
579 : static TDS_INT
580 : tds_convert_int1(const int8_t * src, int desttype, CONV_RESULT * cr)
581 : {
582 8424 : return tds_convert_int(*src, desttype, cr);
583 : }
584 :
585 : static TDS_INT
586 : tds_convert_uint1(const TDS_TINYINT * src, int desttype, CONV_RESULT * cr)
587 : {
588 22328 : return tds_convert_int(*src, desttype, cr);
589 : }
590 :
591 : static TDS_INT
592 : tds_convert_int2(const TDS_SMALLINT * src, int desttype, CONV_RESULT * cr)
593 : {
594 27370 : return tds_convert_int(*src, desttype, cr);
595 : }
596 :
597 : static TDS_INT
598 : tds_convert_uint2(const TDS_USMALLINT * src, int desttype, CONV_RESULT * cr)
599 : {
600 16562 : return tds_convert_int(*src, desttype, cr);
601 : }
602 :
603 : static TDS_INT
604 : tds_convert_int4(const TDS_INT * src, int desttype, CONV_RESULT * cr)
605 : {
606 51142 : return tds_convert_int(*src, desttype, cr);
607 : }
608 :
609 : static TDS_INT
610 : tds_convert_uint4(const TDS_UINT * src, int desttype, CONV_RESULT * cr)
611 : {
612 : TDS_UINT8 num;
613 :
614 27366 : num = *src;
615 27366 : return tds_convert_uint8(&num, desttype, cr);
616 : }
617 :
618 : static TDS_INT
619 : tds_convert_int_numeric(unsigned char scale,
620 : unsigned char sign, TDS_UINT num, CONV_RESULT * cr)
621 : {
622 14700 : unsigned char orig_prec = cr->n.precision, orig_scale = cr->n.scale;
623 14700 : cr->n.precision = 10;
624 14700 : cr->n.scale = scale;
625 14700 : cr->n.array[0] = sign;
626 14700 : cr->n.array[1] = 0;
627 14700 : TDS_PUT_UA4BE(&(cr->n.array[2]), num);
628 14700 : return tds_numeric_change_prec_scale(&(cr->n), orig_prec, orig_scale);
629 : }
630 :
631 : static TDS_INT
632 : tds_convert_int8_numeric(unsigned char scale,
633 : unsigned char sign, TDS_UINT8 num, CONV_RESULT * cr)
634 : {
635 6320 : unsigned char orig_prec = cr->n.precision, orig_scale = cr->n.scale;
636 6320 : cr->n.precision = 20;
637 6320 : cr->n.scale = scale;
638 6320 : cr->n.array[0] = sign;
639 6320 : cr->n.array[1] = 0;
640 6320 : TDS_PUT_UA4BE(&(cr->n.array[2]), (TDS_UINT) (num >> 32));
641 6320 : TDS_PUT_UA4BE(&(cr->n.array[6]), (TDS_UINT) num);
642 6320 : return tds_numeric_change_prec_scale(&(cr->n), orig_prec, orig_scale);
643 : }
644 :
645 : static TDS_INT
646 219460 : tds_convert_int(TDS_INT num, int desttype, CONV_RESULT * cr)
647 : {
648 : TDS_CHAR tmp_str[16];
649 :
650 219460 : switch (desttype) {
651 12530 : case TDS_CONVERT_CHAR:
652 : case CASE_ALL_CHAR:
653 12530 : sprintf(tmp_str, "%d", num);
654 12530 : return string_to_result(desttype, tmp_str, cr);
655 : break;
656 11354 : case SYBSINT1:
657 11354 : if (!IS_SINT1(num))
658 : return TDS_CONVERT_OVERFLOW;
659 2914 : cr->ti = (TDS_TINYINT) num;
660 2914 : return sizeof(TDS_TINYINT);
661 : break;
662 23888 : case SYBINT1:
663 : case SYBUINT1:
664 23888 : if (!IS_TINYINT(num))
665 : return TDS_CONVERT_OVERFLOW;
666 9158 : cr->ti = (TDS_TINYINT) num;
667 9158 : return sizeof(TDS_TINYINT);
668 : break;
669 14336 : case SYBINT2:
670 14336 : if (!IS_SMALLINT(num))
671 : return TDS_CONVERT_OVERFLOW;
672 10316 : cr->si = num;
673 10316 : return sizeof(TDS_SMALLINT);
674 : break;
675 11840 : case SYBUINT2:
676 11840 : if (!IS_USMALLINT(num))
677 : return TDS_CONVERT_OVERFLOW;
678 6800 : cr->usi = (TDS_USMALLINT) num;
679 6800 : return sizeof(TDS_USMALLINT);
680 : break;
681 21268 : case SYBINT4:
682 21268 : cr->i = num;
683 21268 : return sizeof(TDS_INT);
684 : break;
685 13068 : case SYBUINT4:
686 13068 : if (num < 0)
687 : return TDS_CONVERT_OVERFLOW;
688 9708 : cr->ui = (TDS_UINT) num;
689 9708 : return sizeof(TDS_UINT);
690 : break;
691 12170 : case SYBINT8:
692 12170 : cr->bi = num;
693 12170 : return sizeof(TDS_INT8);
694 : break;
695 12000 : case SYBUINT8:
696 12000 : if (num < 0)
697 : return TDS_CONVERT_OVERFLOW;
698 8640 : cr->ubi = (TDS_UINT8) num;
699 8640 : return sizeof(TDS_UINT8);
700 : break;
701 1186 : case SYBBIT:
702 : case SYBBITN:
703 1186 : cr->ti = num ? 1 : 0;
704 1186 : return sizeof(TDS_TINYINT);
705 : break;
706 11330 : case SYBFLT8:
707 11330 : cr->f = num;
708 11330 : return sizeof(TDS_FLOAT);
709 : break;
710 11330 : case SYBREAL:
711 11330 : cr->r = (TDS_REAL) num;
712 11330 : return sizeof(TDS_REAL);
713 : break;
714 11800 : case SYBMONEY4:
715 11800 : if (num > 214748 || num < -214748)
716 : return TDS_CONVERT_OVERFLOW;
717 10570 : cr->m4.mny4 = num * 10000;
718 10570 : return sizeof(TDS_MONEY4);
719 : break;
720 11920 : case SYBMONEY:
721 11920 : cr->m.mny = (TDS_INT8) num *10000;
722 :
723 11920 : return sizeof(TDS_MONEY);
724 : break;
725 12370 : case SYBNUMERIC:
726 : case SYBDECIMAL:
727 12370 : if (num < 0)
728 7060 : return tds_convert_int_numeric(0, 1, (TDS_UINT) -num, cr);
729 17680 : return tds_convert_int_numeric(0, 0, (TDS_UINT) num, cr);
730 : break;
731 : /* handled by upper layer */
732 : case CASE_ALL_BINARY:
733 : /* conversions not allowed */
734 : case SYBUNIQUE:
735 : case SYBDATETIME4:
736 : case SYBDATETIME:
737 : case SYBDATETIMN:
738 : default:
739 : break;
740 : }
741 : return TDS_CONVERT_NOAVAIL;
742 : }
743 :
744 : static TDS_INT
745 61284 : tds_convert_int8(const TDS_INT8 *src, int desttype, CONV_RESULT * cr)
746 : {
747 : TDS_INT8 buf;
748 : TDS_CHAR tmp_str[24];
749 :
750 61284 : memcpy(&buf, src, sizeof(buf));
751 61284 : if (INT_IS_INT(buf))
752 40594 : return tds_convert_int((TDS_INT) buf, desttype, cr);
753 :
754 20690 : switch (desttype) {
755 622 : case TDS_CONVERT_CHAR:
756 : case CASE_ALL_CHAR:
757 622 : sprintf(tmp_str, "%" PRId64, buf);
758 622 : return string_to_result(desttype, tmp_str, cr);
759 : break;
760 : case SYBINT1:
761 : case SYBSINT1:
762 : case SYBUINT1:
763 : case SYBINT2:
764 : case SYBUINT2:
765 : case SYBINT4:
766 : case SYBMONEY4:
767 : return TDS_CONVERT_OVERFLOW;
768 : break;
769 1370 : case SYBUINT4:
770 1370 : if (!INT_IS_UINT(buf))
771 : return TDS_CONVERT_OVERFLOW;
772 230 : cr->ui = (TDS_UINT) buf;
773 230 : return sizeof(TDS_UINT);
774 : break;
775 1558 : case SYBINT8:
776 1558 : cr->bi = buf;
777 1558 : return sizeof(TDS_INT8);
778 : break;
779 1410 : case SYBUINT8:
780 1410 : if (buf < 0)
781 : return TDS_CONVERT_OVERFLOW;
782 780 : cr->ubi = (TDS_UINT8) buf;
783 780 : return sizeof(TDS_UINT8);
784 : break;
785 90 : case SYBBIT:
786 : case SYBBITN:
787 : /* this cannot be 0 as already tested above */
788 90 : cr->ti = 1;
789 90 : return sizeof(TDS_TINYINT);
790 : break;
791 1350 : case SYBFLT8:
792 1350 : cr->f = (TDS_FLOAT) buf;
793 1350 : return sizeof(TDS_FLOAT);
794 : break;
795 1350 : case SYBREAL:
796 1350 : cr->r = (TDS_REAL) buf;
797 1350 : return sizeof(TDS_REAL);
798 : break;
799 1320 : case SYBMONEY:
800 1320 : if (buf > (TDS_INT8_MAX / 10000) || buf < (TDS_INT8_MIN / 10000))
801 : return TDS_CONVERT_OVERFLOW;
802 910 : cr->m.mny = buf * 10000;
803 910 : return sizeof(TDS_MONEY);
804 : break;
805 1450 : case SYBNUMERIC:
806 : case SYBDECIMAL:
807 1450 : if (buf < 0)
808 1340 : return tds_convert_int8_numeric(0, 1, -buf, cr);
809 1560 : return tds_convert_int8_numeric(0, 0, buf, cr);
810 : break;
811 : /* conversions not allowed */
812 : case SYBUNIQUE:
813 : case SYBDATETIME4:
814 : case SYBDATETIME:
815 : case SYBDATETIMN:
816 : default:
817 : break;
818 : }
819 630 : return TDS_CONVERT_NOAVAIL;
820 : }
821 :
822 : static TDS_INT
823 62648 : tds_convert_uint8(const TDS_UINT8 *src, int desttype, CONV_RESULT * cr)
824 : {
825 : TDS_UINT8 buf;
826 : TDS_CHAR tmp_str[24];
827 :
828 62648 : memcpy(&buf, src, sizeof(buf));
829 : /* INT_IS_INT does not work here due to unsigned/signed conversions */
830 62648 : if (buf <= TDS_INT_MAX)
831 46434 : return tds_convert_int((TDS_INT) buf, desttype, cr);
832 :
833 16214 : switch (desttype) {
834 474 : case TDS_CONVERT_CHAR:
835 : case CASE_ALL_CHAR:
836 474 : sprintf(tmp_str, "%" PRIu64, buf);
837 474 : return string_to_result(desttype, tmp_str, cr);
838 : break;
839 : case SYBINT1:
840 : case SYBSINT1:
841 : case SYBUINT1:
842 : case SYBINT2:
843 : case SYBUINT2:
844 : case SYBINT4:
845 : case SYBMONEY4:
846 : return TDS_CONVERT_OVERFLOW;
847 : break;
848 1120 : case SYBUINT4:
849 1120 : if (!INT_IS_UINT(buf))
850 : return TDS_CONVERT_OVERFLOW;
851 460 : cr->ui = (TDS_UINT) buf;
852 : return sizeof(TDS_UINT);
853 : break;
854 1160 : case SYBINT8:
855 1160 : if (buf > TDS_INT8_MAX)
856 : return TDS_CONVERT_OVERFLOW;
857 950 : cr->bi = (TDS_INT8) buf;
858 : return sizeof(TDS_INT8);
859 : break;
860 1180 : case SYBUINT8:
861 1180 : cr->ubi = buf;
862 : return sizeof(TDS_UINT8);
863 : break;
864 30 : case SYBBIT:
865 : case SYBBITN:
866 : /* this cannot be 0 as already tested above */
867 30 : cr->ti = 1;
868 : return sizeof(TDS_TINYINT);
869 : break;
870 1080 : case SYBFLT8:
871 1080 : cr->f = (TDS_FLOAT) buf;
872 : return sizeof(TDS_FLOAT);
873 : break;
874 1080 : case SYBREAL:
875 1080 : cr->r = (TDS_REAL) buf;
876 : return sizeof(TDS_REAL);
877 : break;
878 1110 : case SYBMONEY:
879 1110 : if (buf > (TDS_INT8_MAX / 10000))
880 : return TDS_CONVERT_OVERFLOW;
881 700 : cr->m.mny = buf * 10000;
882 : return sizeof(TDS_MONEY);
883 : break;
884 1180 : case SYBNUMERIC:
885 : case SYBDECIMAL:
886 2360 : return tds_convert_int8_numeric(0, 0, buf, cr);
887 : break;
888 : /* conversions not allowed */
889 : case SYBUNIQUE:
890 : case SYBDATETIME4:
891 : case SYBDATETIME:
892 : case SYBDATETIMN:
893 : default:
894 : break;
895 : }
896 : return TDS_CONVERT_NOAVAIL;
897 : }
898 :
899 : static TDS_INT
900 75164 : tds_convert_numeric(const TDS_NUMERIC * src, int desttype, CONV_RESULT * cr)
901 : {
902 : /* if the number has precision == scale == MAXPRECISION and it's negative a "-0." is prefixed
903 : * to the digits. Also account for terminator and possible invalid out of range number. */
904 : char tmpstr[MAXPRECISION + 5];
905 : TDS_INT i, ret;
906 : TDS_INT8 bi;
907 :
908 75164 : switch (desttype) {
909 2292 : case TDS_CONVERT_CHAR:
910 : case CASE_ALL_CHAR:
911 2292 : if (tds_numeric_to_string(src, tmpstr) < 0)
912 : return TDS_CONVERT_FAIL;
913 2292 : return string_to_result(desttype, tmpstr, cr);
914 : break;
915 4680 : case SYBSINT1:
916 4680 : cr->n = *src;
917 4680 : ret = tds_numeric_change_prec_scale(&(cr->n), 3, 0);
918 4680 : if (ret < 0)
919 : return ret;
920 1280 : if (cr->n.array[1])
921 : return TDS_CONVERT_OVERFLOW;
922 1060 : i = cr->n.array[2];
923 1060 : if (cr->n.array[0])
924 520 : i = -i;
925 1060 : if (i != 0 && ((i >> 7) ^ cr->n.array[0]) & 1)
926 : return TDS_CONVERT_OVERFLOW;
927 650 : cr->ti = (TDS_TINYINT) i;
928 650 : return sizeof(TDS_TINYINT);
929 : break;
930 9440 : case SYBINT1:
931 : case SYBUINT1:
932 9440 : cr->n = *src;
933 9440 : ret = tds_numeric_change_prec_scale(&(cr->n), 3, 0);
934 9440 : if (ret < 0)
935 : return ret;
936 2640 : if (cr->n.array[1] || (cr->n.array[0] && cr->n.array[2]))
937 : return TDS_CONVERT_OVERFLOW;
938 1180 : cr->ti = cr->n.array[2];
939 1180 : return sizeof(TDS_TINYINT);
940 : break;
941 4810 : case SYBINT2:
942 4810 : cr->n = *src;
943 4810 : ret = tds_numeric_change_prec_scale(&(cr->n), 5, 0);
944 4810 : if (ret < 0)
945 : return ret;
946 2210 : if (cr->n.array[1])
947 : return TDS_CONVERT_OVERFLOW;
948 1990 : i = TDS_GET_UA2BE(&(cr->n.array[2]));
949 1990 : if (cr->n.array[0])
950 970 : i = -i;
951 1990 : if (i != 0 && ((i >> 15) ^ cr->n.array[0]) & 1)
952 : return TDS_CONVERT_OVERFLOW;
953 1580 : cr->si = (TDS_SMALLINT) i;
954 1580 : return sizeof(TDS_SMALLINT);
955 : break;
956 4760 : case SYBUINT2:
957 4760 : cr->n = *src;
958 4760 : ret = tds_numeric_change_prec_scale(&(cr->n), 5, 0);
959 4760 : if (ret < 0)
960 : return ret;
961 2200 : i = TDS_GET_UA2BE(&(cr->n.array[2]));
962 2200 : if ((i != 0 && cr->n.array[0]) || cr->n.array[1])
963 : return TDS_CONVERT_OVERFLOW;
964 1050 : cr->usi = (TDS_USMALLINT) i;
965 1050 : return sizeof(TDS_USMALLINT);
966 : break;
967 4910 : case SYBINT4:
968 4910 : cr->n = *src;
969 4910 : ret = tds_numeric_change_prec_scale(&(cr->n), 10, 0);
970 4910 : if (ret < 0)
971 : return ret;
972 3650 : if (cr->n.array[1])
973 : return TDS_CONVERT_OVERFLOW;
974 3430 : i = TDS_GET_UA4BE(&(cr->n.array[2]));
975 3430 : if (cr->n.array[0])
976 1640 : i = -i;
977 3430 : if (i != 0 && ((i >> 31) ^ cr->n.array[0]) & 1)
978 : return TDS_CONVERT_OVERFLOW;
979 3020 : cr->i = i;
980 3020 : return sizeof(TDS_INT);
981 : break;
982 4820 : case SYBUINT4:
983 4820 : cr->n = *src;
984 4820 : ret = tds_numeric_change_prec_scale(&(cr->n), 10, 0);
985 4820 : if (ret < 0)
986 : return ret;
987 3560 : i = TDS_GET_UA4BE(&(cr->n.array[2]));
988 3560 : if ((i != 0 && cr->n.array[0]) || cr->n.array[1])
989 : return TDS_CONVERT_OVERFLOW;
990 1780 : cr->ui = i;
991 1780 : return sizeof(TDS_UINT);
992 : break;
993 4970 : case SYBINT8:
994 4970 : cr->n = *src;
995 4970 : ret = tds_numeric_change_prec_scale(&(cr->n), 20, 0);
996 4970 : if (ret < 0)
997 : return ret;
998 4970 : if (cr->n.array[1])
999 : return TDS_CONVERT_OVERFLOW;
1000 4750 : bi = TDS_GET_UA4BE(&(cr->n.array[2]));
1001 4750 : bi = (bi << 32) + TDS_GET_UA4BE(&(cr->n.array[6]));
1002 4750 : if (cr->n.array[0])
1003 2310 : bi = -bi;
1004 4750 : if (bi != 0 && ((bi >> 63) ^ cr->n.array[0]) & 1)
1005 : return TDS_CONVERT_OVERFLOW;
1006 4340 : cr->bi = bi;
1007 4340 : return sizeof(TDS_INT8);
1008 : break;
1009 4880 : case SYBUINT8:
1010 4880 : cr->n = *src;
1011 4880 : ret = tds_numeric_change_prec_scale(&(cr->n), 20, 0);
1012 4880 : if (ret < 0)
1013 : return ret;
1014 4880 : bi = TDS_GET_UA4BE(&(cr->n.array[2]));
1015 4880 : bi = (bi << 32) + TDS_GET_UA4BE(&(cr->n.array[6]));
1016 4880 : if ((bi != 0 && cr->n.array[0]) || cr->n.array[1])
1017 : return TDS_CONVERT_OVERFLOW;
1018 2470 : cr->ubi = bi;
1019 2470 : return sizeof(TDS_UINT8);
1020 : break;
1021 80 : case SYBBIT:
1022 : case SYBBITN:
1023 80 : cr->ti = 0;
1024 160 : for (i = tds_numeric_bytes_per_prec[src->precision]; --i > 0;)
1025 80 : if (src->array[i] != 0) {
1026 80 : cr->ti = 1;
1027 80 : break;
1028 : }
1029 : return sizeof(TDS_TINYINT);
1030 : break;
1031 4790 : case SYBMONEY4:
1032 4790 : cr->n = *src;
1033 4790 : ret = tds_numeric_change_prec_scale(&(cr->n), 10, 4);
1034 4790 : if (ret < 0)
1035 : return ret;
1036 2690 : if (cr->n.array[1])
1037 : return TDS_CONVERT_OVERFLOW;
1038 2690 : i = TDS_GET_UA4BE(&(cr->n.array[2]));
1039 2690 : if (cr->n.array[0])
1040 1310 : i = -i;
1041 2690 : if (i != 0 && ((i >> 31) ^ cr->n.array[0]) & 1)
1042 : return TDS_CONVERT_OVERFLOW;
1043 2490 : cr->m4.mny4 = i;
1044 2490 : return sizeof(TDS_MONEY4);
1045 : break;
1046 4890 : case SYBMONEY:
1047 4890 : cr->n = *src;
1048 4890 : ret = tds_numeric_change_prec_scale(&(cr->n), 20, 4);
1049 4890 : if (ret < 0)
1050 : return ret;
1051 4050 : if (cr->n.array[1])
1052 : return TDS_CONVERT_OVERFLOW;
1053 4050 : bi = TDS_GET_UA4BE(&(cr->n.array[2]));
1054 4050 : bi = (bi << 32) + TDS_GET_UA4BE(&(cr->n.array[6]));
1055 4050 : if (cr->n.array[0])
1056 1980 : bi = -bi;
1057 4050 : if (bi != 0 && ((bi >> 63) ^ cr->n.array[0]) & 1)
1058 : return TDS_CONVERT_OVERFLOW;
1059 3850 : cr->m.mny = bi;
1060 3850 : return sizeof(TDS_MONEY);
1061 : break;
1062 5642 : case SYBNUMERIC:
1063 : case SYBDECIMAL:
1064 : {
1065 5642 : unsigned char prec = cr->n.precision, scale = cr->n.scale;
1066 5642 : cr->n = *src;
1067 5642 : return tds_numeric_change_prec_scale(&(cr->n), prec, scale);
1068 : }
1069 : break;
1070 4680 : case SYBFLT8:
1071 4680 : if (tds_numeric_to_string(src, tmpstr) < 0)
1072 : return TDS_CONVERT_FAIL;
1073 4680 : cr->f = atof(tmpstr);
1074 4680 : return 8;
1075 : break;
1076 4680 : case SYBREAL:
1077 4680 : if (tds_numeric_to_string(src, tmpstr) < 0)
1078 : return TDS_CONVERT_FAIL;
1079 4680 : cr->r = (TDS_REAL) atof(tmpstr);
1080 4680 : return 4;
1081 : break;
1082 : /* conversions not allowed */
1083 : case SYBUNIQUE:
1084 : case SYBDATETIME4:
1085 : case SYBDATETIME:
1086 : case SYBDATETIMN:
1087 : default:
1088 : break;
1089 : }
1090 : return TDS_CONVERT_NOAVAIL;
1091 : }
1092 :
1093 : static TDS_INT
1094 35770 : tds_convert_money4(const TDSCONTEXT * tds_ctx, const TDS_MONEY4 * src, int desttype, CONV_RESULT * cr)
1095 : {
1096 : TDS_MONEY4 mny;
1097 : long dollars;
1098 :
1099 35770 : mny = *src;
1100 35770 : switch (desttype) {
1101 1490 : case TDS_CONVERT_CHAR:
1102 : case CASE_ALL_CHAR: {
1103 : char tmp_str[33];
1104 : char *p;
1105 : unsigned dollars;
1106 : /*
1107 : * round to 2 decimal digits
1108 : * rounding with dollars = (mny.mny4 + 5000) /10000
1109 : * can give arithmetic overflow so I use
1110 : * dollars = (mny.mny4/50 + 1)/2
1111 : */
1112 : /* TODO round also all conversions to int and from money ?? */
1113 1490 : p = tmp_str;
1114 1490 : if (mny.mny4 < 0) {
1115 310 : *p++ = '-';
1116 : /* we use unsigned cause this cause arithmetic problem for -2^31*/
1117 310 : dollars = -mny.mny4;
1118 : } else {
1119 1180 : dollars = mny.mny4;
1120 : }
1121 1490 : if (tds_ctx->money_use_2_digits) {
1122 : /* print only 2 decimal digits as server does */
1123 0 : dollars = (dollars + 50) / 100;
1124 0 : sprintf(p, "%u.%02u", dollars / 100u, dollars % 100u);
1125 : } else {
1126 1490 : sprintf(p, "%u.%04u", dollars / 10000u, dollars % 10000u);
1127 : }
1128 1490 : return string_to_result(desttype, tmp_str, cr);
1129 : } break;
1130 2170 : case SYBSINT1:
1131 2170 : dollars = mny.mny4 / 10000;
1132 2170 : if (!IS_SINT1(dollars))
1133 : return TDS_CONVERT_OVERFLOW;
1134 430 : cr->ti = (TDS_TINYINT) dollars;
1135 : return sizeof(TDS_TINYINT);
1136 : break;
1137 4420 : case SYBINT1:
1138 : case SYBUINT1:
1139 4420 : dollars = mny.mny4 / 10000;
1140 4420 : if (!IS_TINYINT(dollars))
1141 : return TDS_CONVERT_OVERFLOW;
1142 940 : cr->ti = (TDS_TINYINT) dollars;
1143 : return sizeof(TDS_TINYINT);
1144 : break;
1145 2310 : case SYBINT2:
1146 2310 : dollars = mny.mny4 / 10000;
1147 2310 : if (!IS_SMALLINT(dollars))
1148 : return TDS_CONVERT_OVERFLOW;
1149 1460 : cr->si = (TDS_SMALLINT) dollars;
1150 : return sizeof(TDS_SMALLINT);
1151 : break;
1152 2250 : case SYBUINT2:
1153 2250 : dollars = mny.mny4 / 10000;
1154 2250 : if (!IS_USMALLINT(dollars))
1155 : return TDS_CONVERT_OVERFLOW;
1156 980 : cr->usi = (TDS_USMALLINT) dollars;
1157 : return sizeof(TDS_USMALLINT);
1158 : break;
1159 2370 : case SYBINT4:
1160 2370 : cr->i = mny.mny4 / 10000;
1161 : return sizeof(TDS_INT);
1162 : break;
1163 2270 : case SYBUINT4:
1164 2270 : dollars = mny.mny4 / 10000;
1165 2270 : if (!INT_IS_UINT(dollars))
1166 : return TDS_CONVERT_OVERFLOW;
1167 1220 : cr->ui = dollars;
1168 : return sizeof(TDS_UINT);
1169 : break;
1170 2320 : case SYBINT8:
1171 2320 : cr->bi = mny.mny4 / 10000;
1172 : return sizeof(TDS_INT8);
1173 : break;
1174 2270 : case SYBUINT8:
1175 2270 : dollars = mny.mny4 / 10000;
1176 2270 : if (dollars < 0)
1177 : return TDS_CONVERT_OVERFLOW;
1178 1220 : cr->ubi = dollars;
1179 : return sizeof(TDS_UINT8);
1180 : break;
1181 70 : case SYBBIT:
1182 : case SYBBITN:
1183 70 : cr->ti = mny.mny4 ? 1 : 0;
1184 : return sizeof(TDS_TINYINT);
1185 : break;
1186 2170 : case SYBFLT8:
1187 2170 : cr->f = ((TDS_FLOAT) mny.mny4) / 10000.0;
1188 : return sizeof(TDS_FLOAT);
1189 : break;
1190 2170 : case SYBREAL:
1191 2170 : cr->r = (TDS_REAL) (mny.mny4 / 10000.0);
1192 : return sizeof(TDS_REAL);
1193 : break;
1194 2270 : case SYBMONEY:
1195 2270 : cr->m.mny = (TDS_INT8) mny.mny4;
1196 : return sizeof(TDS_MONEY);
1197 : break;
1198 2260 : case SYBMONEY4:
1199 2260 : cr->m4 = mny;
1200 : return sizeof(TDS_MONEY4);
1201 : break;
1202 2330 : case SYBDECIMAL:
1203 : case SYBNUMERIC:
1204 2330 : if (mny.mny4 < 0)
1205 2200 : return tds_convert_int_numeric(4, 1, (TDS_UINT) -mny.mny4, cr);
1206 2460 : return tds_convert_int_numeric(4, 0, (TDS_UINT) mny.mny4, cr);
1207 : /* conversions not allowed */
1208 : case SYBUNIQUE:
1209 : case SYBDATETIME4:
1210 : case SYBDATETIME:
1211 : case SYBDATETIMN:
1212 : default:
1213 : return TDS_CONVERT_NOAVAIL;
1214 : break;
1215 : }
1216 : return TDS_CONVERT_FAIL;
1217 : }
1218 :
1219 : static TDS_INT
1220 54418 : tds_convert_money(const TDSCONTEXT * tds_ctx, const TDS_MONEY * src, int desttype, CONV_RESULT * cr)
1221 : {
1222 : char *s;
1223 :
1224 : TDS_INT8 mymoney, dollars;
1225 : char tmpstr[64];
1226 :
1227 54418 : tdsdump_log(TDS_DBG_FUNC, "tds_convert_money()\n");
1228 54418 : mymoney = ((TDS_INT8) src->tdsoldmoney.mnyhigh << 32) | src->tdsoldmoney.mnylow;
1229 :
1230 54418 : switch (desttype) {
1231 2004 : case TDS_CONVERT_CHAR:
1232 : case CASE_ALL_CHAR:
1233 2004 : s = tds_money_to_string((const TDS_MONEY *) src, tmpstr, tds_ctx->money_use_2_digits);
1234 2004 : return string_to_result(desttype, s, cr);
1235 : break;
1236 3430 : case SYBSINT1:
1237 3430 : if (mymoney <= -129 * 10000 || mymoney >= 128 * 10000)
1238 : return TDS_CONVERT_OVERFLOW;
1239 430 : cr->ti = (int8_t) (((TDS_INT) mymoney) / 10000);
1240 : return sizeof(TDS_TINYINT);
1241 : break;
1242 6940 : case SYBINT1:
1243 : case SYBUINT1:
1244 6940 : if (mymoney <= -10000 || mymoney >= 256 * 10000)
1245 : return TDS_CONVERT_OVERFLOW;
1246 : /* TODO: round ?? */
1247 940 : cr->ti = (TDS_TINYINT) (((TDS_INT) mymoney) / 10000);
1248 : return sizeof(TDS_TINYINT);
1249 : break;
1250 3570 : case SYBINT2:
1251 3570 : if (mymoney <= -32769 * 10000 || mymoney >= 32768 * 10000)
1252 : return TDS_CONVERT_OVERFLOW;
1253 1460 : cr->si = (TDS_SMALLINT) (((TDS_INT) mymoney) / 10000);
1254 : return sizeof(TDS_SMALLINT);
1255 : break;
1256 3510 : case SYBUINT2:
1257 3510 : if (mymoney <= -1 * 10000 || mymoney >= 65536 * 10000)
1258 : return TDS_CONVERT_OVERFLOW;
1259 980 : cr->usi = (TDS_USMALLINT) (((TDS_INT) mymoney) / 10000);
1260 : return sizeof(TDS_USMALLINT);
1261 : break;
1262 3670 : case SYBINT4:
1263 3670 : dollars = mymoney / 10000;
1264 3670 : if (!INT_IS_INT(dollars))
1265 : return TDS_CONVERT_OVERFLOW;
1266 2820 : cr->i = (TDS_INT) dollars;
1267 : return sizeof(TDS_INT);
1268 : break;
1269 3570 : case SYBUINT4:
1270 3570 : dollars = mymoney / 10000;
1271 3570 : if (!INT_IS_UINT(dollars))
1272 : return TDS_CONVERT_OVERFLOW;
1273 1670 : cr->ui = (TDS_UINT) dollars;
1274 : return sizeof(TDS_UINT);
1275 : break;
1276 3680 : case SYBINT8:
1277 3680 : cr->bi = mymoney / 10000;
1278 : return sizeof(TDS_INT8);
1279 : break;
1280 3590 : case SYBUINT8:
1281 3590 : dollars = mymoney / 10000;
1282 3590 : if (dollars < 0)
1283 : return TDS_CONVERT_OVERFLOW;
1284 1910 : cr->ubi = (TDS_UINT8) dollars;
1285 : return sizeof(TDS_UINT8);
1286 : break;
1287 70 : case SYBBIT:
1288 : case SYBBITN:
1289 70 : cr->ti = mymoney ? 1 : 0;
1290 : return sizeof(TDS_TINYINT);
1291 : break;
1292 3484 : case SYBFLT8:
1293 3484 : cr->f = ((TDS_FLOAT) mymoney) / 10000.0;
1294 : return sizeof(TDS_FLOAT);
1295 : break;
1296 3430 : case SYBREAL:
1297 3430 : cr->r = (TDS_REAL) (mymoney / 10000.0);
1298 : return sizeof(TDS_REAL);
1299 : break;
1300 3530 : case SYBMONEY4:
1301 3530 : if (!INT_IS_INT(mymoney))
1302 : return TDS_CONVERT_OVERFLOW;
1303 2270 : cr->m4.mny4 = (TDS_INT) mymoney;
1304 : return sizeof(TDS_MONEY4);
1305 : break;
1306 3620 : case SYBMONEY:
1307 3620 : cr->m.mny = mymoney;
1308 : return sizeof(TDS_MONEY);
1309 : break;
1310 3690 : case SYBDECIMAL:
1311 : case SYBNUMERIC:
1312 3690 : if (mymoney < 0)
1313 3540 : return tds_convert_int8_numeric(4, 1, -mymoney, cr);
1314 3840 : return tds_convert_int8_numeric(4, 0, mymoney, cr);
1315 : break;
1316 : /* conversions not allowed */
1317 : case SYBUNIQUE:
1318 : case SYBDATETIME4:
1319 : case SYBDATETIME:
1320 : case SYBDATETIMN:
1321 : default:
1322 : break;
1323 : }
1324 : return TDS_CONVERT_NOAVAIL;
1325 : }
1326 :
1327 : static TDS_INT
1328 24326 : tds_convert_datetimeall(const TDSCONTEXT * tds_ctx, int srctype, const TDS_DATETIMEALL * dta, int desttype, CONV_RESULT * cr)
1329 : {
1330 : char whole_date_string[64];
1331 : const char *datetime_fmt;
1332 : TDSDATEREC when;
1333 :
1334 24326 : switch (desttype) {
1335 604 : case TDS_CONVERT_CHAR:
1336 : case CASE_ALL_CHAR:
1337 604 : tds_datecrack(srctype, dta, &when);
1338 604 : datetime_fmt = tds_ctx->locale->datetime_fmt;
1339 604 : if (srctype == SYBMSDATE && tds_ctx->locale->date_fmt)
1340 110 : datetime_fmt = tds_ctx->locale->date_fmt;
1341 604 : if (srctype == SYBMSTIME && tds_ctx->locale->time_fmt)
1342 220 : datetime_fmt = tds_ctx->locale->time_fmt;
1343 604 : tds_strftime(whole_date_string, sizeof(whole_date_string), datetime_fmt, &when,
1344 604 : dta->time_prec);
1345 :
1346 604 : return string_to_result(desttype, whole_date_string, cr);
1347 350 : case SYBDATETIME:
1348 350 : cr->dt.dtdays = dta->date;
1349 350 : cr->dt.dttime = (TDS_INT) ((dta->time * 3u + 50000u) / 100000u);
1350 : return sizeof(TDS_DATETIME);
1351 80 : case SYBDATETIME4:
1352 80 : if (!IS_USMALLINT(dta->date))
1353 : return TDS_CONVERT_OVERFLOW;
1354 80 : cr->dt4.days = (TDS_USMALLINT) dta->date;
1355 80 : cr->dt4.minutes = (TDS_USMALLINT) ((dta->time + 30u * 10000000u) / (60u * 10000000u));
1356 : return sizeof(TDS_DATETIME4);
1357 1552 : case SYBMSDATETIMEOFFSET:
1358 : case SYBMSDATE:
1359 : case SYBMSTIME:
1360 : case SYBMSDATETIME2:
1361 1552 : cr->dta = *dta;
1362 : return sizeof(TDS_DATETIMEALL);
1363 100 : case SYBDATE:
1364 100 : cr->date = dta->date;
1365 : return sizeof(TDS_DATE);
1366 80 : case SYBTIME:
1367 80 : cr->time = (TDS_INT) ((dta->time * 3u + 50000u) / 100000u);
1368 : return sizeof(TDS_TIME);
1369 90 : case SYB5BIGTIME:
1370 90 : cr->bigtime = dta->time / 10u;
1371 : return sizeof(TDS_UINT8);
1372 110 : case SYB5BIGDATETIME:
1373 220 : cr->bigtime = dta->time / 10u
1374 110 : + (dta->date + BIGDATETIME_BIAS) * (UINT64_C(86400) * 1000000u);
1375 : return sizeof(TDS_UINT8);
1376 : /* conversions not allowed */
1377 : case SYBUNIQUE:
1378 : case SYBBIT:
1379 : case SYBBITN:
1380 : case SYBINT1:
1381 : case SYBSINT1:
1382 : case SYBUINT1:
1383 : case SYBINT2:
1384 : case SYBUINT2:
1385 : case SYBINT4:
1386 : case SYBUINT4:
1387 : case SYBINT8:
1388 : case SYBUINT8:
1389 : case SYBMONEY4:
1390 : case SYBMONEY:
1391 : case SYBNUMERIC:
1392 : case SYBDECIMAL:
1393 : default:
1394 : break;
1395 : }
1396 : return TDS_CONVERT_NOAVAIL;
1397 : }
1398 :
1399 : static TDS_INT
1400 8134 : tds_convert_datetime(const TDSCONTEXT * tds_ctx, const TDS_DATETIME * dt, int desttype, unsigned precision, CONV_RESULT * cr)
1401 : {
1402 : char whole_date_string[64];
1403 : TDSDATEREC when;
1404 :
1405 8134 : switch (desttype) {
1406 508 : case TDS_CONVERT_CHAR:
1407 : case CASE_ALL_CHAR:
1408 508 : tds_datecrack(SYBDATETIME, dt, &when);
1409 508 : tds_strftime(whole_date_string, sizeof(whole_date_string), tds_ctx->locale->datetime_fmt, &when, 3);
1410 :
1411 508 : return string_to_result(desttype, whole_date_string, cr);
1412 10 : case SYBDATETIME:
1413 10 : cr->dt = *dt;
1414 : return sizeof(TDS_DATETIME);
1415 10 : case SYBDATETIME4:
1416 10 : if (!IS_USMALLINT(dt->dtdays))
1417 : return TDS_CONVERT_OVERFLOW;
1418 10 : cr->dt4.days = dt->dtdays;
1419 10 : cr->dt4.minutes = (dt->dttime / 300) / 60;
1420 : return sizeof(TDS_DATETIME4);
1421 30 : case SYBDATE:
1422 30 : cr->date = dt->dtdays;
1423 : return sizeof(TDS_DATE);
1424 30 : case SYBTIME:
1425 30 : cr->time = dt->dttime;
1426 : return sizeof(TDS_TIME);
1427 1206 : case SYBMSDATETIMEOFFSET:
1428 : case SYBMSDATE:
1429 : case SYBMSTIME:
1430 : case SYBMSDATETIME2:
1431 1206 : memset(&cr->dta, 0, sizeof(cr->dta));
1432 1206 : cr->dta.time_prec = precision;
1433 1206 : if (desttype == SYBMSDATETIMEOFFSET)
1434 20 : cr->dta.has_offset = 1;
1435 1206 : if (desttype != SYBMSDATE) {
1436 1186 : cr->dta.has_time = 1;
1437 1186 : cr->dta.time_prec = 3;
1438 1186 : cr->dta.time = (dt->dttime * UINT64_C(20) + 3) / 6 * 10000u;
1439 : }
1440 1206 : if (desttype != SYBMSTIME) {
1441 1186 : cr->dta.has_date = 1;
1442 1186 : cr->dta.date = dt->dtdays;
1443 : }
1444 : return sizeof(TDS_DATETIMEALL);
1445 20 : case SYB5BIGTIME:
1446 20 : cr->bigtime = (dt->dttime * UINT64_C(20) + 3u) / 6u * 1000u;
1447 : return sizeof(TDS_BIGTIME);
1448 20 : case SYB5BIGDATETIME:
1449 40 : cr->bigdatetime = (dt->dttime * UINT64_C(20) + 3u) / 6u * 1000u
1450 20 : + (dt->dtdays + BIGDATETIME_BIAS) * (UINT64_C(86400) * 1000000u);
1451 : return sizeof(TDS_BIGDATETIME);
1452 : /* conversions not allowed */
1453 : case SYBUNIQUE:
1454 : case SYBBIT:
1455 : case SYBBITN:
1456 : case SYBINT1:
1457 : case SYBSINT1:
1458 : case SYBUINT1:
1459 : case SYBINT2:
1460 : case SYBUINT2:
1461 : case SYBINT4:
1462 : case SYBUINT4:
1463 : case SYBINT8:
1464 : case SYBUINT8:
1465 : case SYBMONEY4:
1466 : case SYBMONEY:
1467 : case SYBNUMERIC:
1468 : case SYBDECIMAL:
1469 : default:
1470 : break;
1471 : }
1472 : return TDS_CONVERT_NOAVAIL;
1473 : }
1474 :
1475 : static TDS_INT
1476 3694 : tds_convert_datetime4(const TDSCONTEXT * tds_ctx, const TDS_DATETIME4 * dt4, int desttype, CONV_RESULT * cr)
1477 : {
1478 : TDS_DATETIME dt;
1479 :
1480 3694 : if (desttype == SYBDATETIME4) {
1481 0 : cr->dt4 = *dt4;
1482 0 : return sizeof(TDS_DATETIME4);
1483 : }
1484 :
1485 : /* convert to DATETIME and use tds_convert_datetime */
1486 3694 : dt.dtdays = dt4->days;
1487 3694 : dt.dttime = dt4->minutes * (60u * 300u);
1488 3694 : return tds_convert_datetime(tds_ctx, &dt, desttype, 0, cr);
1489 : }
1490 :
1491 : static TDS_INT
1492 3200 : tds_convert_time(const TDSCONTEXT * tds_ctx, const TDS_TIME * time, int desttype, CONV_RESULT * cr)
1493 : {
1494 : TDS_DATETIMEALL dta;
1495 :
1496 3200 : if (desttype == SYBTIME) {
1497 10 : cr->time = *time;
1498 10 : return sizeof(TDS_TIME);
1499 : }
1500 :
1501 : /* convert to DATETIMEALL and use tds_convert_datetimeall */
1502 3190 : memset(&dta, 0, sizeof(dta));
1503 3190 : dta.has_time = 1;
1504 3190 : dta.time_prec = 3;
1505 3190 : dta.time = (*time * UINT64_C(100000) + 2) / 3;
1506 3190 : dta.time = (*time * UINT64_C(20) + 3) / 6 * 10000;
1507 3190 : return tds_convert_datetimeall(tds_ctx, SYBMSTIME, &dta, desttype, cr);
1508 : }
1509 :
1510 : static TDS_INT
1511 3220 : tds_convert_date(const TDSCONTEXT * tds_ctx, const TDS_DATE * date, int desttype, CONV_RESULT * cr)
1512 : {
1513 : TDS_DATETIMEALL dta;
1514 :
1515 3220 : if (desttype == SYBDATE) {
1516 10 : cr->date = *date;
1517 10 : return sizeof(TDS_DATE);
1518 : }
1519 :
1520 : /* convert to DATETIMEALL and use tds_convert_datetimeall */
1521 3210 : memset(&dta, 0, sizeof(dta));
1522 3210 : dta.has_date = 1;
1523 3210 : dta.date = *date;
1524 3210 : return tds_convert_datetimeall(tds_ctx, SYBMSDATE, &dta, desttype, cr);
1525 : }
1526 :
1527 : static TDS_INT
1528 2740 : tds_convert_bigtime(const TDSCONTEXT * tds_ctx, const TDS_BIGTIME * bigtime, int desttype, CONV_RESULT * cr)
1529 : {
1530 : TDS_DATETIMEALL dta;
1531 :
1532 2740 : if (desttype == SYB5BIGTIME) {
1533 0 : cr->bigtime = *bigtime;
1534 0 : return sizeof(TDS_BIGTIME);
1535 : }
1536 :
1537 : /* convert to DATETIMEALL and use tds_convert_datetimeall */
1538 2740 : memset(&dta, 0, sizeof(dta));
1539 2740 : dta.time_prec = 6;
1540 2740 : dta.has_time = 1;
1541 2740 : dta.time = *bigtime % (UINT64_C(86400) * 1000000u) * 10u;
1542 2740 : return tds_convert_datetimeall(tds_ctx, SYBMSTIME, &dta, desttype, cr);
1543 : }
1544 :
1545 : static TDS_INT
1546 2770 : tds_convert_bigdatetime(const TDSCONTEXT * tds_ctx, const TDS_BIGDATETIME * bigdatetime, int desttype, CONV_RESULT * cr)
1547 : {
1548 : TDS_DATETIMEALL dta;
1549 : TDS_UINT8 bdt;
1550 :
1551 2770 : if (desttype == SYB5BIGDATETIME) {
1552 0 : cr->bigdatetime = *bigdatetime;
1553 : return sizeof(TDS_BIGDATETIME);
1554 : }
1555 :
1556 : /* convert to DATETIMEALL and use tds_convert_datetimeall */
1557 2770 : bdt = *bigdatetime;
1558 2770 : memset(&dta, 0, sizeof(dta));
1559 2770 : dta.time_prec = 6;
1560 2770 : dta.has_time = 1;
1561 2770 : dta.time = bdt % (UINT64_C(86400) * 1000000u) * 10u;
1562 2770 : bdt /= UINT64_C(86400) * 1000000u;
1563 2770 : dta.has_date = 1;
1564 2770 : dta.date = bdt - BIGDATETIME_BIAS;
1565 2770 : return tds_convert_datetimeall(tds_ctx, SYBMSDATETIME2, &dta, desttype, cr);
1566 : }
1567 :
1568 :
1569 : static TDS_INT
1570 65970 : tds_convert_real(const TDS_REAL* src, int desttype, CONV_RESULT * cr)
1571 : {
1572 : TDS_REAL the_value;
1573 :
1574 : /* FIXME how big should be this buffer ?? */
1575 : char tmp_str[128];
1576 : TDS_INT mymoney4;
1577 : TDS_INT8 mymoney;
1578 :
1579 65970 : the_value = *src;
1580 :
1581 65970 : switch (desttype) {
1582 258 : case TDS_CONVERT_CHAR:
1583 : case CASE_ALL_CHAR:
1584 258 : sprintf(tmp_str, "%.9g", the_value);
1585 258 : return string_to_result(desttype, tmp_str, cr);
1586 : break;
1587 4470 : case SYBSINT1:
1588 4470 : if (!IS_SINT1(the_value))
1589 : return TDS_CONVERT_OVERFLOW;
1590 430 : cr->ti = (TDS_TINYINT) the_value;
1591 : return sizeof(TDS_TINYINT);
1592 : break;
1593 8940 : case SYBINT1:
1594 : case SYBUINT1:
1595 8940 : if (!IS_TINYINT(the_value))
1596 : return TDS_CONVERT_OVERFLOW;
1597 860 : cr->ti = (TDS_TINYINT) the_value;
1598 : return sizeof(TDS_TINYINT);
1599 : break;
1600 4520 : case SYBINT2:
1601 4520 : if (!IS_SMALLINT(the_value))
1602 : return TDS_CONVERT_OVERFLOW;
1603 1370 : cr->si = (TDS_SMALLINT) the_value;
1604 : return sizeof(TDS_SMALLINT);
1605 : break;
1606 4470 : case SYBUINT2:
1607 4470 : if (!IS_USMALLINT(the_value))
1608 : return TDS_CONVERT_OVERFLOW;
1609 900 : cr->usi = (TDS_USMALLINT) the_value;
1610 : return sizeof(TDS_USMALLINT);
1611 : break;
1612 4520 : case SYBINT4:
1613 4520 : if (!FLOAT_IS_INT(the_value))
1614 : return TDS_CONVERT_OVERFLOW;
1615 2640 : cr->i = (TDS_INT) the_value;
1616 : return sizeof(TDS_INT);
1617 : break;
1618 4470 : case SYBUINT4:
1619 4470 : if (!FLOAT_IS_UINT(the_value))
1620 : return TDS_CONVERT_OVERFLOW;
1621 1530 : cr->ui = (TDS_UINT) the_value;
1622 : return sizeof(TDS_UINT);
1623 : break;
1624 4470 : case SYBINT8:
1625 4470 : if (!FLOAT_IS_INT8(the_value))
1626 : return TDS_CONVERT_OVERFLOW;
1627 3850 : cr->bi = (TDS_INT8) the_value;
1628 : return sizeof(TDS_INT8);
1629 : break;
1630 4470 : case SYBUINT8:
1631 4470 : if (!FLOAT_IS_UINT8(the_value))
1632 : return TDS_CONVERT_OVERFLOW;
1633 2160 : cr->ubi = (TDS_UINT8) the_value;
1634 : return sizeof(TDS_UINT8);
1635 : break;
1636 70 : case SYBBIT:
1637 : case SYBBITN:
1638 70 : cr->ti = the_value ? 1 : 0;
1639 : return sizeof(TDS_TINYINT);
1640 : break;
1641 :
1642 4740 : case SYBFLT8:
1643 4740 : cr->f = the_value;
1644 : return sizeof(TDS_FLOAT);
1645 : break;
1646 :
1647 4622 : case SYBREAL:
1648 4622 : cr->r = the_value;
1649 : return sizeof(TDS_REAL);
1650 : break;
1651 :
1652 4420 : case SYBMONEY:
1653 4420 : if (the_value > (TDS_REAL) (TDS_INT8_MAX / 10000) || the_value < (TDS_REAL) (TDS_INT8_MIN / 10000))
1654 : return TDS_CONVERT_OVERFLOW;
1655 3380 : mymoney = (TDS_INT8) (the_value * 10000);
1656 3380 : cr->m.mny = mymoney;
1657 : return sizeof(TDS_MONEY);
1658 : break;
1659 :
1660 4420 : case SYBMONEY4:
1661 4420 : if (the_value > (TDS_REAL) (TDS_INT_MAX / 10000) || the_value < (TDS_REAL) (TDS_INT_MIN / 10000))
1662 : return TDS_CONVERT_OVERFLOW;
1663 2120 : mymoney4 = (TDS_INT) (the_value * 10000);
1664 2120 : cr->m4.mny4 = mymoney4;
1665 : return sizeof(TDS_MONEY4);
1666 : break;
1667 4480 : case SYBNUMERIC:
1668 : case SYBDECIMAL:
1669 4480 : sprintf(tmp_str, "%.*f", cr->n.scale, the_value);
1670 4480 : return stringz_to_numeric(tmp_str, cr);
1671 : break;
1672 : /* not allowed */
1673 : case SYBUNIQUE:
1674 : case SYBDATETIME4:
1675 : case SYBDATETIME:
1676 : case SYBDATETIMN:
1677 : default:
1678 : break;
1679 : }
1680 : return TDS_CONVERT_NOAVAIL;
1681 : }
1682 :
1683 : /*
1684 : * TODO: emit SYBECLPR errors: "Data conversion resulted in loss of precision".
1685 : * There are many places where this would be correct to do, but the test is tedious
1686 : * (convert e.g. 1.5 -> SYBINT and test if output == input) and we don't have a good,
1687 : * API-independent alternative to tds_client_msg(). Postponed until then.
1688 : */
1689 : static TDS_INT
1690 66082 : tds_convert_flt8(const TDS_FLOAT* src, int desttype, CONV_RESULT * cr)
1691 : {
1692 : TDS_FLOAT the_value;
1693 : char tmp_str[25];
1694 :
1695 66082 : memcpy(&the_value, src, 8);
1696 66082 : switch (desttype) {
1697 306 : case TDS_CONVERT_CHAR:
1698 : case CASE_ALL_CHAR:
1699 306 : sprintf(tmp_str, "%.17g", the_value);
1700 306 : return string_to_result(desttype, tmp_str, cr);
1701 : break;
1702 4470 : case SYBSINT1:
1703 4470 : if (!IS_SINT1(the_value))
1704 : return TDS_CONVERT_OVERFLOW;
1705 430 : cr->ti = (TDS_TINYINT) the_value;
1706 430 : return sizeof(TDS_TINYINT);
1707 : break;
1708 8940 : case SYBINT1:
1709 : case SYBUINT1:
1710 8940 : if (!IS_TINYINT(the_value))
1711 : return TDS_CONVERT_OVERFLOW;
1712 860 : cr->ti = (TDS_TINYINT) the_value;
1713 860 : return sizeof(TDS_TINYINT);
1714 : break;
1715 4520 : case SYBINT2:
1716 4520 : if (!IS_SMALLINT(the_value))
1717 : return TDS_CONVERT_OVERFLOW;
1718 1370 : cr->si = (TDS_SMALLINT) the_value;
1719 1370 : return sizeof(TDS_SMALLINT);
1720 : break;
1721 4470 : case SYBUINT2:
1722 4470 : if (!IS_USMALLINT(the_value))
1723 : return TDS_CONVERT_OVERFLOW;
1724 900 : cr->usi = (TDS_USMALLINT) the_value;
1725 900 : return sizeof(TDS_USMALLINT);
1726 : break;
1727 4520 : case SYBINT4:
1728 4520 : if (!FLOAT_IS_INT(the_value))
1729 : return TDS_CONVERT_OVERFLOW;
1730 2630 : cr->i = (TDS_INT) the_value;
1731 2630 : return sizeof(TDS_INT);
1732 : break;
1733 4470 : case SYBUINT4:
1734 4470 : if (!FLOAT_IS_UINT(the_value))
1735 : return TDS_CONVERT_OVERFLOW;
1736 1530 : cr->ui = (TDS_UINT) the_value;
1737 1530 : return sizeof(TDS_UINT);
1738 : break;
1739 4470 : case SYBINT8:
1740 4470 : if (!FLOAT_IS_INT8(the_value))
1741 : return TDS_CONVERT_OVERFLOW;
1742 3850 : cr->bi = (TDS_INT8) the_value;
1743 3850 : return sizeof(TDS_INT8);
1744 : break;
1745 4470 : case SYBUINT8:
1746 4470 : if (!FLOAT_IS_UINT8(the_value))
1747 : return TDS_CONVERT_OVERFLOW;
1748 2160 : cr->ubi = (TDS_UINT8) the_value;
1749 2160 : return sizeof(TDS_UINT8);
1750 : break;
1751 70 : case SYBBIT:
1752 : case SYBBITN:
1753 70 : cr->ti = the_value ? 1 : 0;
1754 70 : return sizeof(TDS_TINYINT);
1755 : break;
1756 :
1757 4420 : case SYBMONEY:
1758 4420 : if (the_value > (TDS_FLOAT) (TDS_INT8_MAX / 10000) || the_value < (TDS_FLOAT) (TDS_INT8_MIN / 10000))
1759 : return TDS_CONVERT_OVERFLOW;
1760 3380 : cr->m.mny = (TDS_INT8) (the_value * 10000);
1761 :
1762 3380 : return sizeof(TDS_MONEY);
1763 : break;
1764 4420 : case SYBMONEY4:
1765 4420 : if (the_value > (TDS_FLOAT) (TDS_INT_MAX / 10000) || the_value < (TDS_FLOAT) (TDS_INT_MIN / 10000))
1766 : return TDS_CONVERT_OVERFLOW;
1767 2120 : cr->m4.mny4 = (TDS_INT) (the_value * 10000);
1768 2120 : return sizeof(TDS_MONEY4);
1769 : break;
1770 4740 : case SYBREAL:
1771 : /* TODO check overflow */
1772 4740 : cr->r = (TDS_REAL)the_value;
1773 4740 : return sizeof(TDS_REAL);
1774 : break;
1775 4676 : case SYBFLT8:
1776 4676 : cr->f = the_value;
1777 4676 : return sizeof(TDS_FLOAT);
1778 : break;
1779 4490 : case SYBNUMERIC:
1780 : case SYBDECIMAL:
1781 4490 : sprintf(tmp_str, "%.*f", cr->n.scale, the_value);
1782 4490 : return stringz_to_numeric(tmp_str, cr);
1783 : break;
1784 : /* not allowed */
1785 : case SYBUNIQUE:
1786 : case SYBDATETIME4:
1787 : case SYBDATETIME:
1788 : case SYBDATETIMN:
1789 : default:
1790 : break;
1791 : }
1792 : return TDS_CONVERT_NOAVAIL;
1793 : }
1794 :
1795 : static TDS_INT
1796 3134 : tds_convert_unique(const TDS_CHAR * src, int desttype, CONV_RESULT * cr)
1797 : {
1798 : /*
1799 : * raw data is equivalent to structure and always aligned,
1800 : * so this cast is portable
1801 : */
1802 3134 : const TDS_UNIQUE *u = (const TDS_UNIQUE *) src;
1803 : char buf[37];
1804 :
1805 3134 : switch (desttype) {
1806 206 : case TDS_CONVERT_CHAR:
1807 : case CASE_ALL_CHAR:
1808 2266 : sprintf(buf, "%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",
1809 618 : (int) u->Data1, (int) u->Data2, (int) u->Data3,
1810 1648 : u->Data4[0], u->Data4[1], u->Data4[2], u->Data4[3], u->Data4[4], u->Data4[5], u->Data4[6], u->Data4[7]);
1811 206 : return string_to_result(desttype, buf, cr);
1812 : break;
1813 68 : case SYBUNIQUE:
1814 : /*
1815 : * Here we can copy raw to structure because we adjust
1816 : * byte order in tds_swap_datatype
1817 : */
1818 68 : memcpy(&(cr->u), src, sizeof(TDS_UNIQUE));
1819 68 : return sizeof(TDS_UNIQUE);
1820 : break;
1821 : /* do not warn for not convertible types */
1822 : case SYBBIT:
1823 : case SYBBITN:
1824 : case SYBINT1:
1825 : case SYBSINT1:
1826 : case SYBUINT1:
1827 : case SYBINT2:
1828 : case SYBUINT2:
1829 : case SYBINT4:
1830 : case SYBUINT4:
1831 : case SYBINT8:
1832 : case SYBUINT8:
1833 : case SYBMONEY4:
1834 : case SYBMONEY:
1835 : case SYBDATETIME4:
1836 : case SYBDATETIME:
1837 : case SYBDATETIMN:
1838 : case SYBREAL:
1839 : case SYBFLT8:
1840 : default:
1841 : break;
1842 : }
1843 : return TDS_CONVERT_NOAVAIL;
1844 : }
1845 :
1846 : static TDS_INT
1847 16208 : tds_convert_to_binary(int srctype, const TDS_CHAR * src, TDS_UINT srclen, int desttype, CONV_RESULT * cr)
1848 : {
1849 : size_t len;
1850 : TDS_CHAR *ib;
1851 :
1852 16208 : switch (srctype) {
1853 416 : case CASE_ALL_BINARY:
1854 416 : len = srclen;
1855 416 : break;
1856 : case SYBBIT:
1857 : case SYBBITN:
1858 : case SYBINT1:
1859 : case SYBSINT1:
1860 : case SYBUINT1:
1861 : len = 1;
1862 : break;
1863 130 : case SYBINT2:
1864 : case SYBUINT2:
1865 130 : len = 2;
1866 130 : break;
1867 170 : case SYBINT4:
1868 : case SYBUINT4:
1869 170 : len = 4;
1870 170 : break;
1871 150 : case SYBINT8:
1872 : case SYBUINT8:
1873 150 : len = sizeof(TDS_INT8);
1874 150 : break;
1875 60 : case SYBMONEY4:
1876 60 : len = sizeof(TDS_MONEY4);
1877 60 : break;
1878 60 : case SYBMONEY:
1879 60 : len = sizeof(TDS_MONEY);
1880 60 : break;
1881 120 : case SYBNUMERIC:
1882 : case SYBDECIMAL:
1883 120 : len = sizeof(TDS_NUMERIC);
1884 120 : break;
1885 60 : case SYBREAL:
1886 60 : len = sizeof(TDS_REAL);
1887 60 : break;
1888 60 : case SYBFLT8:
1889 60 : len = sizeof(TDS_FLOAT);
1890 60 : break;
1891 60 : case SYBDATETIME:
1892 60 : len = sizeof(TDS_DATETIME);
1893 60 : break;
1894 60 : case SYBDATETIME4:
1895 60 : len = sizeof(TDS_DATETIME4);
1896 60 : break;
1897 60 : case SYBTIME:
1898 60 : len = sizeof(TDS_TIME);
1899 60 : break;
1900 60 : case SYBDATE:
1901 60 : len = sizeof(TDS_DATE);
1902 60 : break;
1903 240 : case SYBMSTIME:
1904 : case SYBMSDATE:
1905 : case SYBMSDATETIME2:
1906 : case SYBMSDATETIMEOFFSET:
1907 240 : len = sizeof(TDS_DATETIMEALL);
1908 240 : break;
1909 60 : case SYB5BIGTIME:
1910 60 : len = sizeof(TDS_BIGTIME);
1911 60 : break;
1912 60 : case SYB5BIGDATETIME:
1913 60 : len = sizeof(TDS_BIGDATETIME);
1914 60 : break;
1915 60 : case SYBUNIQUE:
1916 60 : len = sizeof(TDS_UNIQUE);
1917 60 : break;
1918 992 : case CASE_ALL_CHAR:
1919 :
1920 : /* skip leading "0x" or "0X" */
1921 992 : if (srclen >= 2 && src[0] == '0' && (src[1] == 'x' || src[1] == 'X')) {
1922 230 : src += 2;
1923 230 : srclen -= 2;
1924 : }
1925 :
1926 : /* ignore trailing blanks and nulls */
1927 : /* FIXME is good to ignore null ?? */
1928 1048 : while (srclen > 0 && (src[srclen - 1] == ' ' || src[srclen - 1] == '\0'))
1929 : --srclen;
1930 :
1931 : /* a binary string output will be half the length of */
1932 : /* the string which represents it in hexadecimal */
1933 :
1934 992 : ib = cr->cb.ib;
1935 992 : if (desttype != TDS_CONVERT_BINARY) {
1936 : TDS_INT destlen;
1937 :
1938 778 : cr->ib = tds_new(TDS_CHAR, (srclen + 2u) / 2u);
1939 778 : test_alloc(cr->ib);
1940 778 : ib = cr->ib;
1941 778 : destlen = tds_char2hex(ib, 0xffffffffu, src, srclen);
1942 778 : if (destlen < 0)
1943 10 : TDS_ZERO_FREE(cr->ib);
1944 : return destlen;
1945 : }
1946 214 : return tds_char2hex(ib, cr->cb.len, src, srclen);
1947 :
1948 : default:
1949 : return TDS_CONVERT_NOAVAIL;
1950 : }
1951 2196 : return binary_to_result(desttype, src, len, cr);
1952 : }
1953 :
1954 : /**
1955 : * tds_convert
1956 : * convert a type to another.
1957 : * If you convert to SYBDECIMAL/SYBNUMERIC you MUST initialize precision
1958 : * and scale of cr.
1959 : * Do not expect strings to be zero terminated. Databases support zero inside
1960 : * string. Using strlen may result on data loss or even a segmentation fault.
1961 : * Instead, use memcpy to copy destination using length returned.
1962 : * This function does not handle NULL, srclen should be >0. Client libraries handle NULLs each in their own way.
1963 : * @param tds_ctx context (used in conversion to data and to return messages)
1964 : * @param srctype type of source
1965 : * @param src pointer to source data to convert
1966 : * @param srclen length in bytes of source (not counting terminator or strings)
1967 : * @param desttype type of destination
1968 : * @param cr structure to hold result
1969 : * @return length of result or TDS_CONVERT_* failure code on failure. All TDS_CONVERT_* constants are <0.
1970 : */
1971 : TDS_INT
1972 2592934 : tds_convert(const TDSCONTEXT *tds_ctx, int srctype, const void *src, TDS_UINT srclen, int desttype, CONV_RESULT *cr)
1973 : {
1974 2592934 : TDS_INT length = 0;
1975 :
1976 2592934 : assert(srclen >= 0 && srclen <= 2147483647u);
1977 :
1978 2592934 : if (srctype == SYBVARIANT) {
1979 2568 : const TDSVARIANT *v = (const TDSVARIANT*) src;
1980 2568 : srctype = v->type;
1981 2568 : src = v->data;
1982 2568 : srclen = v->data_len;
1983 : }
1984 :
1985 2592934 : switch (desttype) {
1986 16208 : case CASE_ALL_BINARY:
1987 16208 : return tds_convert_to_binary(srctype, src, srclen, desttype, cr);
1988 : }
1989 :
1990 2576726 : switch (srctype) {
1991 1424124 : case CASE_ALL_CHAR:
1992 1424124 : length = tds_convert_char(src, srclen, desttype, cr);
1993 1424124 : break;
1994 35770 : case SYBMONEY4:
1995 35770 : length = tds_convert_money4(tds_ctx, (const TDS_MONEY4 *) src, desttype, cr);
1996 35770 : break;
1997 54418 : case SYBMONEY:
1998 54418 : length = tds_convert_money(tds_ctx, (const TDS_MONEY *) src, desttype, cr);
1999 54418 : break;
2000 75164 : case SYBNUMERIC:
2001 : case SYBDECIMAL:
2002 75164 : length = tds_convert_numeric((const TDS_NUMERIC *) src, desttype, cr);
2003 75164 : break;
2004 6606 : case SYBBIT:
2005 : case SYBBITN:
2006 13212 : length = tds_convert_bit(src, desttype, cr);
2007 6606 : break;
2008 8424 : case SYBSINT1:
2009 16848 : length = tds_convert_int1((const int8_t *) src, desttype, cr);
2010 8424 : break;
2011 22328 : case SYBINT1:
2012 : case SYBUINT1:
2013 44656 : length = tds_convert_uint1((const TDS_TINYINT *) src, desttype, cr);
2014 22328 : break;
2015 27370 : case SYBINT2:
2016 54740 : length = tds_convert_int2((const TDS_SMALLINT *) src, desttype, cr);
2017 27370 : break;
2018 16562 : case SYBUINT2:
2019 33124 : length = tds_convert_uint2((const TDS_USMALLINT *) src, desttype, cr);
2020 16562 : break;
2021 51142 : case SYBINT4:
2022 102284 : length = tds_convert_int4((const TDS_INT *) src, desttype, cr);
2023 51142 : break;
2024 27366 : case SYBUINT4:
2025 54732 : length = tds_convert_uint4((const TDS_UINT *) src, desttype, cr);
2026 27366 : break;
2027 61284 : case SYBINT8:
2028 61284 : length = tds_convert_int8((const TDS_INT8 *) src, desttype, cr);
2029 61284 : break;
2030 35282 : case SYBUINT8:
2031 35282 : length = tds_convert_uint8((const TDS_UINT8 *) src, desttype, cr);
2032 35282 : break;
2033 65970 : case SYBREAL:
2034 65970 : length = tds_convert_real((const TDS_REAL *) src, desttype, cr);
2035 65970 : break;
2036 66082 : case SYBFLT8:
2037 66082 : length = tds_convert_flt8((const TDS_FLOAT *) src, desttype, cr);
2038 66082 : break;
2039 12416 : case SYBMSTIME:
2040 : case SYBMSDATE:
2041 : case SYBMSDATETIME2:
2042 : case SYBMSDATETIMEOFFSET:
2043 12416 : length = tds_convert_datetimeall(tds_ctx, srctype, (const TDS_DATETIMEALL *) src, desttype, cr);
2044 12416 : break;
2045 4440 : case SYBDATETIME:
2046 4440 : length = tds_convert_datetime(tds_ctx, (const TDS_DATETIME* ) src, desttype, 3, cr);
2047 4440 : break;
2048 3694 : case SYBDATETIME4:
2049 3694 : length = tds_convert_datetime4(tds_ctx, (const TDS_DATETIME4* ) src, desttype, cr);
2050 3694 : break;
2051 3200 : case SYBTIME:
2052 3200 : length = tds_convert_time(tds_ctx, (const TDS_TIME *) src, desttype, cr);
2053 3200 : break;
2054 3220 : case SYBDATE:
2055 3220 : length = tds_convert_date(tds_ctx, (const TDS_DATE *) src, desttype, cr);
2056 3220 : break;
2057 2740 : case SYB5BIGTIME:
2058 2740 : length = tds_convert_bigtime(tds_ctx, (const TDS_BIGTIME *) src, desttype, cr);
2059 2740 : break;
2060 2770 : case SYB5BIGDATETIME:
2061 2770 : length = tds_convert_bigdatetime(tds_ctx, (const TDS_BIGDATETIME *) src, desttype, cr);
2062 2770 : break;
2063 18330 : case CASE_ALL_BINARY:
2064 18330 : length = tds_convert_binary((const TDS_UCHAR *) src, srclen, desttype, cr);
2065 18330 : break;
2066 3134 : case SYBUNIQUE:
2067 3134 : length = tds_convert_unique(src, desttype, cr);
2068 3134 : break;
2069 : case SYBNVARCHAR:
2070 : case SYBNTEXT:
2071 : case SYBMSTABLE:
2072 : default:
2073 : return TDS_CONVERT_NOAVAIL;
2074 : break;
2075 : }
2076 :
2077 : /* fix MONEY case */
2078 : #if !defined(WORDS_BIGENDIAN)
2079 2031836 : if (length > 0 && desttype == SYBMONEY) {
2080 111680 : cr->m.mny = ((TDS_UINT8) cr->m.mny) >> 32 | (cr->m.mny << 32);
2081 : }
2082 : #endif
2083 : return length;
2084 : }
2085 :
2086 : static int
2087 2868 : string_to_datetime(const char *instr, TDS_UINT len, int desttype, CONV_RESULT * cr)
2088 : {
2089 : enum states {
2090 : GOING_IN_BLIND,
2091 : PUT_NUMERIC_IN_CONTEXT,
2092 : DOING_ALPHABETIC_DATE
2093 : };
2094 :
2095 : char *in;
2096 : char *tok;
2097 : char *lasts;
2098 : char last_token[32];
2099 2868 : int monthdone = 0;
2100 2868 : int yeardone = 0;
2101 2868 : int mdaydone = 0;
2102 :
2103 : struct tds_time t;
2104 :
2105 : unsigned int dt_time;
2106 : TDS_INT dt_days;
2107 : int i;
2108 :
2109 : enum states current_state;
2110 :
2111 2868 : memset(&t, '\0', sizeof(t));
2112 2868 : t.tm_mday = 1;
2113 :
2114 2868 : in = tds_strndup(instr, len);
2115 2868 : test_alloc(in);
2116 :
2117 2868 : tok = strtok_r(in, " ,", &lasts);
2118 :
2119 2868 : current_state = GOING_IN_BLIND;
2120 :
2121 11082 : while (tok != NULL) {
2122 :
2123 5356 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: current_state = %d\n", current_state);
2124 5356 : switch (current_state) {
2125 3676 : case GOING_IN_BLIND:
2126 : /* If we have no idea of current context, then if we have */
2127 : /* encountered a purely alphabetic string, it MUST be an */
2128 : /* alphabetic month name or prefix... */
2129 :
2130 3676 : if (is_alphabetic(tok)) {
2131 830 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: is_alphabetic\n");
2132 830 : if (store_monthname(tok, &t) >= 0) {
2133 820 : monthdone++;
2134 820 : current_state = DOING_ALPHABETIC_DATE;
2135 : } else {
2136 : goto string_garbled;
2137 : }
2138 : }
2139 :
2140 : /* ...whereas if it is numeric, it could be a number of */
2141 : /* things... */
2142 :
2143 2846 : else if (is_numeric(tok)) {
2144 40 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: is_numeric\n");
2145 40 : switch (strlen(tok)) {
2146 : /* in this context a 4 character numeric can */
2147 : /* ONLY be the year part of an alphabetic date */
2148 :
2149 0 : case 4:
2150 0 : store_year(atoi(tok), &t);
2151 0 : yeardone++;
2152 0 : current_state = DOING_ALPHABETIC_DATE;
2153 0 : break;
2154 :
2155 : /* whereas these could be the hour part of a */
2156 : /* time specification ( 4 PM ) or the leading */
2157 : /* day part of an alphabetic date ( 15 Jan ) */
2158 :
2159 20 : case 2:
2160 : case 1:
2161 20 : strcpy(last_token, tok);
2162 20 : current_state = PUT_NUMERIC_IN_CONTEXT;
2163 20 : break;
2164 :
2165 : /* this must be a [YY]YYMMDD date */
2166 :
2167 20 : case 6:
2168 : case 8:
2169 20 : if (store_yymmdd_date(tok, &t))
2170 : current_state = GOING_IN_BLIND;
2171 : else
2172 : goto string_garbled;
2173 : break;
2174 :
2175 : /* anything else is nonsense... */
2176 :
2177 : default:
2178 : goto string_garbled;
2179 : break;
2180 : }
2181 : }
2182 :
2183 : /* it could be [M]M/[D]D/[YY]YY format */
2184 :
2185 2806 : else if (is_numeric_dateformat(tok)) {
2186 1018 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: is_numeric_dateformat\n");
2187 1018 : store_numeric_date(tok, &t);
2188 1018 : current_state = GOING_IN_BLIND;
2189 1788 : } else if (is_dd_mon_yyyy(tok)) {
2190 10 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: is_dd_mon_yyyy\n");
2191 10 : store_dd_mon_yyy_date(tok, &t);
2192 10 : current_state = GOING_IN_BLIND;
2193 1778 : } else if (is_timeformat(tok)) {
2194 1778 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: is_timeformat\n");
2195 1778 : store_time(tok, &t);
2196 1778 : current_state = GOING_IN_BLIND;
2197 : } else {
2198 0 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: string_garbled\n");
2199 : goto string_garbled;
2200 : }
2201 :
2202 : break; /* end of GOING_IN_BLIND */
2203 :
2204 1660 : case DOING_ALPHABETIC_DATE:
2205 :
2206 1660 : if (is_alphabetic(tok)) {
2207 0 : if (!monthdone && store_monthname(tok, &t) >= 0) {
2208 0 : monthdone++;
2209 0 : if (monthdone && yeardone && mdaydone)
2210 : current_state = GOING_IN_BLIND;
2211 : else
2212 0 : current_state = DOING_ALPHABETIC_DATE;
2213 : } else {
2214 : goto string_garbled;
2215 : }
2216 1660 : } else if (is_numeric(tok)) {
2217 1660 : if (mdaydone && yeardone)
2218 : goto string_garbled;
2219 : else
2220 1660 : switch (strlen(tok)) {
2221 840 : case 4:
2222 1680 : store_year(atoi(tok), &t);
2223 840 : yeardone++;
2224 840 : if (monthdone && yeardone && mdaydone)
2225 : current_state = GOING_IN_BLIND;
2226 : else
2227 0 : current_state = DOING_ALPHABETIC_DATE;
2228 : break;
2229 :
2230 820 : case 2:
2231 : case 1:
2232 820 : if (!mdaydone) {
2233 1640 : store_mday(tok, &t);
2234 :
2235 820 : mdaydone++;
2236 820 : if (monthdone && yeardone && mdaydone)
2237 : current_state = GOING_IN_BLIND;
2238 : else
2239 820 : current_state = DOING_ALPHABETIC_DATE;
2240 : } else {
2241 0 : store_year(atoi(tok), &t);
2242 0 : yeardone++;
2243 0 : if (monthdone && yeardone && mdaydone)
2244 : current_state = GOING_IN_BLIND;
2245 : else
2246 0 : current_state = DOING_ALPHABETIC_DATE;
2247 : }
2248 : break;
2249 :
2250 : default:
2251 : goto string_garbled;
2252 : }
2253 : } else {
2254 : goto string_garbled;
2255 : }
2256 :
2257 : break; /* end of DOING_ALPHABETIC_DATE */
2258 :
2259 20 : case PUT_NUMERIC_IN_CONTEXT:
2260 :
2261 20 : if (is_alphabetic(tok)) {
2262 20 : if (store_monthname(tok, &t) >= 0) {
2263 40 : store_mday(last_token, &t);
2264 20 : mdaydone++;
2265 20 : monthdone++;
2266 20 : if (monthdone && yeardone && mdaydone)
2267 : current_state = GOING_IN_BLIND;
2268 : else
2269 20 : current_state = DOING_ALPHABETIC_DATE;
2270 0 : } else if (is_ampm(tok)) {
2271 0 : store_hour(last_token, tok, &t);
2272 0 : current_state = GOING_IN_BLIND;
2273 : } else {
2274 : goto string_garbled;
2275 : }
2276 0 : } else if (is_numeric(tok)) {
2277 0 : switch (strlen(tok)) {
2278 : case 4:
2279 : case 2:
2280 0 : store_mday(last_token, &t);
2281 0 : mdaydone++;
2282 0 : store_year(atoi(tok), &t);
2283 0 : yeardone++;
2284 :
2285 0 : if (monthdone && yeardone && mdaydone)
2286 : current_state = GOING_IN_BLIND;
2287 : else
2288 0 : current_state = DOING_ALPHABETIC_DATE;
2289 : break;
2290 :
2291 : default:
2292 : goto string_garbled;
2293 : }
2294 : } else {
2295 : goto string_garbled;
2296 : }
2297 :
2298 : break; /* end of PUT_NUMERIC_IN_CONTEXT */
2299 : }
2300 :
2301 5346 : tok = strtok_r(NULL, " ,", &lasts);
2302 : }
2303 :
2304 2858 : i = (t.tm_mon - 13) / 12;
2305 8574 : dt_days = 1461 * (t.tm_year + 1900 + i) / 4 +
2306 5716 : (367 * (t.tm_mon - 1 - 12 * i)) / 12 - (3 * ((t.tm_year + 2000 + i) / 100)) / 4 + t.tm_mday - 693932;
2307 :
2308 2858 : free(in);
2309 :
2310 2858 : if (desttype == SYBDATE) {
2311 170 : cr->date = dt_days;
2312 170 : return sizeof(TDS_DATE);
2313 : }
2314 2688 : dt_time = t.tm_hour * 60 + t.tm_min;
2315 : /* TODO check for overflow */
2316 2688 : if (desttype == SYBDATETIME4) {
2317 640 : cr->dt4.days = dt_days;
2318 640 : cr->dt4.minutes = dt_time;
2319 640 : return sizeof(TDS_DATETIME4);
2320 : }
2321 2048 : dt_time = dt_time * 60 + t.tm_sec;
2322 2048 : if (desttype == SYBDATETIME) {
2323 770 : cr->dt.dtdays = dt_days;
2324 770 : cr->dt.dttime = dt_time * 300 + (t.tm_ns / 1000000u * 300 + 150) / 1000;
2325 770 : return sizeof(TDS_DATETIME);
2326 : }
2327 1278 : if (desttype == SYBTIME) {
2328 170 : cr->time = dt_time * 300 + (t.tm_ns / 1000000u * 300 + 150) / 1000;
2329 170 : return sizeof(TDS_TIME);
2330 : }
2331 1108 : if (desttype == SYB5BIGTIME) {
2332 90 : cr->bigtime = dt_time * UINT64_C(1000000) + t.tm_ns / 1000u;
2333 90 : return sizeof(TDS_BIGTIME);
2334 : }
2335 1018 : if (desttype == SYB5BIGDATETIME) {
2336 240 : cr->bigdatetime = (dt_days + BIGDATETIME_BIAS) * (UINT64_C(86400) * 1000000u)
2337 120 : + dt_time * UINT64_C(1000000) + t.tm_ns / 1000u;
2338 120 : return sizeof(TDS_BIGDATETIME);
2339 : }
2340 :
2341 898 : cr->dta.has_offset = 0;
2342 898 : cr->dta.offset = 0;
2343 898 : cr->dta.has_date = 1;
2344 898 : cr->dta.date = dt_days;
2345 898 : cr->dta.has_time = 1;
2346 898 : cr->dta.time_prec = 7; /* TODO correct value */
2347 898 : cr->dta.time = dt_time * UINT64_C(10000000) + t.tm_ns / 100u;
2348 898 : return sizeof(TDS_DATETIMEALL);
2349 :
2350 10 : string_garbled:
2351 10 : tdsdump_log(TDS_DBG_INFO1,
2352 : "error_handler: Attempt to convert data stopped by syntax error in source field \n");
2353 10 : free(in);
2354 10 : return TDS_CONVERT_SYNTAX;
2355 : }
2356 :
2357 : static int
2358 8970 : stringz_to_numeric(const char *instr, CONV_RESULT * cr)
2359 : {
2360 8970 : return string_to_numeric(instr, instr + strlen(instr), cr);
2361 : }
2362 :
2363 : static int
2364 116600 : string_to_numeric(const char *instr, const char *pend, CONV_RESULT * cr)
2365 : {
2366 : char mynumber[(MAXPRECISION + 7) / 8 * 8 + 8];
2367 :
2368 : /* num packaged 8 digit, see below for detail */
2369 : TDS_UINT packed_num[(MAXPRECISION + 7) / 8];
2370 :
2371 : char *ptr;
2372 :
2373 116600 : int i = 0;
2374 116600 : int j = 0;
2375 : int bytes;
2376 :
2377 : bool negative;
2378 : size_t digits, decimals;
2379 :
2380 : /* FIXME: application can pass invalid value for precision and scale ?? */
2381 116600 : if (cr->n.precision > MAXPRECISION)
2382 : return TDS_CONVERT_FAIL;
2383 :
2384 116600 : if (cr->n.precision == 0)
2385 0 : cr->n.precision = MAXPRECISION; /* assume max precision */
2386 :
2387 116600 : if (cr->n.scale > cr->n.precision)
2388 : return TDS_CONVERT_FAIL;
2389 :
2390 116600 : instr = parse_numeric(instr, pend, &negative, &digits, &decimals);
2391 116600 : if (!instr)
2392 : return TDS_CONVERT_SYNTAX;
2393 :
2394 116590 : cr->n.array[0] = negative ? 1 : 0;
2395 :
2396 : /* translate a number like 000ddddd.ffff to 00000000dddddffff00 */
2397 :
2398 : /*
2399 : * Having disposed of any sign and leading blanks,
2400 : * vet the digit string, counting places before and after
2401 : * the decimal point. Dispense with trailing blanks, if any.
2402 : */
2403 :
2404 116590 : ptr = mynumber;
2405 1049310 : for (i = 0; i < 8; ++i)
2406 932720 : *ptr++ = '0';
2407 :
2408 : /* too many digits, error */
2409 116590 : if (cr->n.precision - cr->n.scale < digits)
2410 : return TDS_CONVERT_OVERFLOW;
2411 :
2412 : /* copy digits before the dot */
2413 116300 : memcpy(ptr, instr, digits);
2414 116300 : ptr += digits;
2415 116300 : instr += digits + 1;
2416 :
2417 : /* copy digits after the dot */
2418 116300 : if (decimals > cr->n.scale)
2419 130 : decimals = cr->n.scale;
2420 116300 : memcpy(ptr, instr, decimals);
2421 :
2422 : /* fill up decimal digits */
2423 116300 : memset(ptr + decimals, '0', cr->n.scale - decimals);
2424 116300 : ptr += cr->n.scale;
2425 :
2426 : /*
2427 : * Packaged number explanation:
2428 : * We package 8 decimal digits in one number.
2429 : * Because 10^8 = 5^8 * 2^8 = 5^8 * 256, dividing 10^8 by 256 leaves no remainder.
2430 : * We can thus split it into bytes in an optimized way.
2431 : */
2432 :
2433 : /* transform to packaged one */
2434 116300 : j = -1;
2435 116300 : ptr -= 8;
2436 : do {
2437 183050 : TDS_UINT n = *ptr++;
2438 :
2439 1464400 : for (i = 1; i < 8; ++i)
2440 1281350 : n = n * 10u + *ptr++;
2441 : /* fix packet number and store */
2442 183050 : packed_num[++j] = n - ((TDS_UINT) '0' * 11111111lu);
2443 183050 : ptr -= 16;
2444 183050 : } while (ptr > mynumber);
2445 :
2446 116300 : memset(cr->n.array + 1, 0, sizeof(cr->n.array) - 1);
2447 116300 : bytes = tds_numeric_bytes_per_prec[cr->n.precision];
2448 232600 : while (j > 0 && !packed_num[j])
2449 0 : --j;
2450 :
2451 431110 : for (;;) {
2452 547410 : bool is_zero = true;
2453 547410 : TDS_UINT carry = 0;
2454 547410 : i = j;
2455 547410 : if (!packed_num[j])
2456 183050 : --j;
2457 : do {
2458 793050 : TDS_UINT tmp = packed_num[i];
2459 793050 : if (tmp)
2460 608740 : is_zero = false;
2461 :
2462 : /* divide for 256 for find another byte */
2463 : /*
2464 : * carry * (25u*25u*25u*25u) = carry * 10^8 / 256u
2465 : * using unsigned number is just an optimization
2466 : * compiler can translate division to a shift and remainder
2467 : * to a binary AND
2468 : */
2469 793050 : packed_num[i] = carry * (25u * 25u * 25u * 25u) + tmp / 256u;
2470 793050 : carry = tmp % 256u;
2471 793050 : } while(--i >= 0);
2472 547410 : if (is_zero)
2473 : break;
2474 : /*
2475 : * source number is limited to 38 decimal digit
2476 : * 10^39-1 < 2^128 (16 byte) so this cannot make an overflow
2477 : */
2478 431110 : cr->n.array[--bytes] = carry;
2479 : }
2480 : return sizeof(TDS_NUMERIC);
2481 : }
2482 :
2483 : static bool
2484 2806 : is_numeric_dateformat(const char *t)
2485 : {
2486 : const char *instr;
2487 2806 : int slashes = 0;
2488 2806 : int hyphens = 0;
2489 2806 : int periods = 0;
2490 2806 : int digits = 0;
2491 :
2492 16062 : for (instr = t; *instr; instr++) {
2493 15044 : if (!isdigit((unsigned char) *instr) && *instr != '/' && *instr != '-' && *instr != '.')
2494 : return false;
2495 :
2496 13256 : if (*instr == '/')
2497 0 : slashes++;
2498 13256 : else if (*instr == '-')
2499 2036 : hyphens++;
2500 11220 : else if (*instr == '.')
2501 0 : periods++;
2502 : else
2503 11220 : digits++;
2504 :
2505 : }
2506 1018 : if (hyphens + slashes + periods != 2)
2507 : return false;
2508 1018 : if (hyphens == 1 || slashes == 1 || periods == 1)
2509 : return false;
2510 :
2511 1018 : if (digits < 4 || digits > 8)
2512 : return false;
2513 :
2514 1018 : return true;
2515 :
2516 : }
2517 :
2518 : /* This function will check if an alphanumeric string */
2519 : /* holds a date in any of the following formats : */
2520 : /* DD-MON-YYYY */
2521 : /* DD-MON-YY */
2522 : /* DDMONYY */
2523 : /* DDMONYYYY */
2524 : static bool
2525 1788 : is_dd_mon_yyyy(char *t)
2526 : {
2527 : char *instr;
2528 : char month[4];
2529 :
2530 1788 : instr = t;
2531 :
2532 1788 : if (!isdigit((unsigned char) *instr))
2533 : return false;
2534 :
2535 1788 : instr++;
2536 :
2537 1788 : if (!isdigit((unsigned char) *instr))
2538 : return false;
2539 :
2540 1288 : instr++;
2541 :
2542 1288 : if (*instr == '-') {
2543 0 : instr++;
2544 :
2545 0 : strlcpy(month, instr, 4);
2546 :
2547 0 : if (!is_monthname(month))
2548 : return false;
2549 :
2550 0 : instr += 3;
2551 :
2552 0 : if (*instr != '-')
2553 : return false;
2554 :
2555 0 : instr++;
2556 0 : if (!isdigit((unsigned char) *instr))
2557 : return false;
2558 :
2559 0 : instr++;
2560 0 : if (!isdigit((unsigned char) *instr))
2561 : return false;
2562 :
2563 0 : instr++;
2564 :
2565 0 : if (*instr) {
2566 0 : if (!isdigit((unsigned char) *instr))
2567 : return false;
2568 :
2569 0 : instr++;
2570 0 : if (!isdigit((unsigned char) *instr))
2571 : return false;
2572 : }
2573 :
2574 : } else {
2575 :
2576 1288 : strlcpy(month, instr, 4);
2577 :
2578 1288 : if (!is_monthname(month))
2579 : return false;
2580 :
2581 10 : instr += 3;
2582 :
2583 10 : if (!isdigit((unsigned char) *instr))
2584 : return false;
2585 :
2586 10 : instr++;
2587 10 : if (!isdigit((unsigned char) *instr))
2588 : return false;
2589 :
2590 10 : instr++;
2591 10 : if (*instr) {
2592 10 : if (!isdigit((unsigned char) *instr))
2593 : return false;
2594 :
2595 10 : instr++;
2596 10 : if (!isdigit((unsigned char) *instr))
2597 : return false;
2598 : }
2599 : }
2600 :
2601 : return true;
2602 :
2603 : }
2604 :
2605 : static bool
2606 500 : is_ampm(const char *datestr)
2607 : {
2608 500 : if (strcasecmp(datestr, "am") == 0)
2609 : return true;
2610 :
2611 500 : if (strcasecmp(datestr, "pm") == 0)
2612 : return true;
2613 :
2614 0 : return false;
2615 : }
2616 :
2617 : static bool
2618 5356 : is_alphabetic(const char *datestr)
2619 : {
2620 : const char *s;
2621 :
2622 7986 : for (s = datestr; *s; s++) {
2623 7136 : if (!isalpha((unsigned char) *s))
2624 : return false;
2625 : }
2626 : return true;
2627 : }
2628 :
2629 : static bool
2630 4506 : is_numeric(const char *datestr)
2631 : {
2632 : const char *s;
2633 :
2634 16724 : for (s = datestr; *s; s++) {
2635 15024 : if (!isdigit((unsigned char) *s))
2636 : return false;
2637 : }
2638 : return true;
2639 : }
2640 :
2641 : static bool
2642 1778 : is_timeformat(const char *datestr)
2643 : {
2644 : const char *s;
2645 :
2646 18384 : for (s = datestr; *s; s++) {
2647 17106 : if (!isdigit((unsigned char) *s) && *s != ':' && *s != '.')
2648 : break;
2649 : }
2650 1778 : if (*s)
2651 500 : return is_ampm(s);
2652 :
2653 : return true;
2654 : }
2655 :
2656 : static int
2657 : store_year(int year, struct tds_time *t)
2658 : {
2659 :
2660 1888 : if (year < 0)
2661 : return 0;
2662 :
2663 1888 : if (year < 100) {
2664 10 : if (year > 49)
2665 0 : t->tm_year = year;
2666 : else
2667 10 : t->tm_year = 100 + year;
2668 : return (1);
2669 : }
2670 :
2671 1878 : if (year < 1753)
2672 : return (0);
2673 :
2674 1878 : if (year <= 9999) {
2675 1878 : t->tm_year = year - 1900;
2676 : return (1);
2677 : }
2678 :
2679 : return (0);
2680 :
2681 : }
2682 :
2683 : static int
2684 : store_mday(const char *datestr, struct tds_time *t)
2685 : {
2686 840 : int mday = atoi(datestr);
2687 :
2688 840 : if (mday > 0 && mday < 32) {
2689 840 : t->tm_mday = mday;
2690 : return 1;
2691 : }
2692 : return 0;
2693 : }
2694 :
2695 : static int
2696 1018 : store_numeric_date(const char *datestr, struct tds_time *t)
2697 : {
2698 1018 : int TDS_MONTH = 0;
2699 1018 : int TDS_DAY = 0;
2700 1018 : int TDS_YEAR = 0;
2701 :
2702 : int state;
2703 1018 : char last_char = 0;
2704 : const char *s;
2705 1018 : int month = 0, year = 0, mday = 0;
2706 :
2707 : /* Its YYYY-MM-DD format */
2708 :
2709 1018 : if (strlen(datestr) == 10 && *(datestr + 4) == '-' && *(datestr + 7) == '-') {
2710 :
2711 : TDS_YEAR = 0;
2712 : TDS_MONTH = 1;
2713 : TDS_DAY = 2;
2714 : state = TDS_YEAR;
2715 :
2716 : }
2717 : /* else we assume MDY */
2718 : else {
2719 0 : TDS_MONTH = 0;
2720 0 : TDS_DAY = 1;
2721 0 : TDS_YEAR = 2;
2722 0 : state = TDS_MONTH;
2723 : }
2724 11198 : for (s = datestr; *s; s++) {
2725 10180 : if (!isdigit((unsigned char) *s) && isdigit((unsigned char) last_char)) {
2726 2036 : state++;
2727 : } else {
2728 8144 : if (state == TDS_MONTH)
2729 2036 : month = (month * 10) + (*s - '0');
2730 8144 : if (state == TDS_DAY)
2731 2036 : mday = (mday * 10) + (*s - '0');
2732 8144 : if (state == TDS_YEAR)
2733 4072 : year = (year * 10) + (*s - '0');
2734 : }
2735 10180 : last_char = *s;
2736 : }
2737 :
2738 1018 : if (month > 0 && month < 13)
2739 1018 : t->tm_mon = month - 1;
2740 : else
2741 : return 0;
2742 1018 : if (mday > 0 && mday < 32)
2743 1018 : t->tm_mday = mday;
2744 : else
2745 : return 0;
2746 :
2747 1018 : return store_year(year, t);
2748 :
2749 : }
2750 :
2751 : static int
2752 10 : store_dd_mon_yyy_date(char *datestr, struct tds_time *t)
2753 : {
2754 :
2755 : char dd[3];
2756 : int mday;
2757 : char mon[4];
2758 : int year;
2759 :
2760 10 : tdsdump_log(TDS_DBG_INFO1, "store_dd_mon_yyy_date: %s\n", datestr);
2761 10 : strlcpy(dd, datestr, 3);
2762 10 : mday = atoi(dd);
2763 :
2764 10 : if (mday > 0 && mday < 32)
2765 10 : t->tm_mday = mday;
2766 : else
2767 : return 0;
2768 :
2769 10 : if (datestr[2] == '-') {
2770 0 : strlcpy(mon, &datestr[3], 4);
2771 :
2772 0 : if (store_monthname(mon, t) < 0) {
2773 0 : tdsdump_log(TDS_DBG_INFO1, "store_dd_mon_yyy_date: store_monthname failed\n");
2774 : return 0;
2775 : }
2776 :
2777 0 : year = atoi(&datestr[7]);
2778 0 : tdsdump_log(TDS_DBG_INFO1, "store_dd_mon_yyy_date: year %d\n", year);
2779 :
2780 0 : return store_year(year, t);
2781 : } else {
2782 10 : strlcpy(mon, &datestr[2], 4);
2783 :
2784 10 : if (store_monthname(mon, t) < 0) {
2785 0 : tdsdump_log(TDS_DBG_INFO1, "store_dd_mon_yyy_date: store_monthname failed\n");
2786 : return 0;
2787 : }
2788 :
2789 20 : year = atoi(&datestr[5]);
2790 10 : tdsdump_log(TDS_DBG_INFO1, "store_dd_mon_yyy_date: year %d\n", year);
2791 :
2792 10 : return store_year(year, t);
2793 : }
2794 :
2795 : }
2796 :
2797 : /**
2798 : * Test if a string is a month name and store correct month number
2799 : * @return month number (0-11) or -1 if not match
2800 : * @param datestr string to check
2801 : * @param t where to store month (if NULL no store is done)
2802 : */
2803 : static int
2804 2148 : store_monthname(const char *datestr, struct tds_time *t)
2805 : {
2806 : int ret;
2807 :
2808 2148 : tdsdump_log(TDS_DBG_INFO1, "store_monthname: %ld %s\n", (long) strlen(datestr), datestr);
2809 2148 : if (strlen(datestr) == 3) {
2810 2118 : if (strcasecmp(datestr, "jan") == 0)
2811 : ret = 0;
2812 1968 : else if (strcasecmp(datestr, "feb") == 0)
2813 : ret = 1;
2814 1968 : else if (strcasecmp(datestr, "mar") == 0)
2815 : ret = 2;
2816 1968 : else if (strcasecmp(datestr, "apr") == 0)
2817 : ret = 3;
2818 1788 : else if (strcasecmp(datestr, "may") == 0)
2819 : ret = 4;
2820 1778 : else if (strcasecmp(datestr, "jun") == 0)
2821 : ret = 5;
2822 1778 : else if (strcasecmp(datestr, "jul") == 0)
2823 : ret = 6;
2824 1778 : else if (strcasecmp(datestr, "aug") == 0)
2825 : ret = 7;
2826 1778 : else if (strcasecmp(datestr, "sep") == 0)
2827 : ret = 8;
2828 1778 : else if (strcasecmp(datestr, "oct") == 0)
2829 : ret = 9;
2830 1778 : else if (strcasecmp(datestr, "nov") == 0)
2831 : ret = 10;
2832 1778 : else if (strcasecmp(datestr, "dec") == 0)
2833 : ret = 11;
2834 : else
2835 : return -1;
2836 : } else {
2837 30 : if (strcasecmp(datestr, "january") == 0)
2838 : ret = 0;
2839 20 : else if (strcasecmp(datestr, "february") == 0)
2840 : ret = 1;
2841 20 : else if (strcasecmp(datestr, "march") == 0)
2842 : ret = 2;
2843 10 : else if (strcasecmp(datestr, "april") == 0)
2844 : ret = 3;
2845 10 : else if (strcasecmp(datestr, "june") == 0)
2846 : ret = 5;
2847 10 : else if (strcasecmp(datestr, "july") == 0)
2848 : ret = 6;
2849 10 : else if (strcasecmp(datestr, "august") == 0)
2850 : ret = 7;
2851 10 : else if (strcasecmp(datestr, "september") == 0)
2852 : ret = 8;
2853 10 : else if (strcasecmp(datestr, "october") == 0)
2854 : ret = 9;
2855 10 : else if (strcasecmp(datestr, "november") == 0)
2856 : ret = 10;
2857 10 : else if (strcasecmp(datestr, "december") == 0)
2858 : ret = 11;
2859 : else
2860 : return -1;
2861 : }
2862 860 : if (t)
2863 850 : t->tm_mon = ret;
2864 : return ret;
2865 : }
2866 :
2867 : static int
2868 20 : store_yymmdd_date(const char *datestr, struct tds_time *t)
2869 : {
2870 20 : int month = 0, year = 0, mday = 0;
2871 :
2872 : int wholedate;
2873 :
2874 20 : wholedate = atoi(datestr);
2875 :
2876 20 : year = wholedate / 10000;
2877 20 : month = (wholedate - (year * 10000)) / 100;
2878 20 : mday = (wholedate - (year * 10000) - (month * 100));
2879 :
2880 20 : if (month > 0 && month < 13)
2881 20 : t->tm_mon = month - 1;
2882 : else
2883 : return 0;
2884 20 : if (mday > 0 && mday < 32)
2885 20 : t->tm_mday = mday;
2886 : else
2887 : return 0;
2888 :
2889 20 : return (store_year(year, t));
2890 :
2891 : }
2892 :
2893 : static int
2894 1778 : store_time(const char *datestr, struct tds_time *t)
2895 : {
2896 : enum
2897 : { TDS_HOURS,
2898 : TDS_MINUTES,
2899 : TDS_SECONDS,
2900 : TDS_FRACTIONS
2901 : };
2902 :
2903 1778 : int state = TDS_HOURS;
2904 1778 : char last_sep = '\0';
2905 : const char *s;
2906 1778 : unsigned int hours = 0, minutes = 0, seconds = 0, nanosecs = 0;
2907 1778 : int ret = 1;
2908 1778 : unsigned ns_div = 1;
2909 :
2910 18384 : for (s = datestr; *s && strchr("apmAPM", (int) *s) == NULL; s++) {
2911 16606 : if (*s == ':' || *s == '.') {
2912 3814 : last_sep = *s;
2913 3814 : state++;
2914 : } else {
2915 12792 : if (*s < '0' || *s > '9')
2916 0 : ret = 0;
2917 12792 : switch (state) {
2918 3056 : case TDS_HOURS:
2919 3056 : hours = (hours * 10u) + (*s - '0');
2920 3056 : break;
2921 3556 : case TDS_MINUTES:
2922 3556 : minutes = (minutes * 10u) + (*s - '0');
2923 3556 : break;
2924 2556 : case TDS_SECONDS:
2925 2556 : seconds = (seconds * 10u) + (*s - '0');
2926 2556 : break;
2927 3624 : case TDS_FRACTIONS:
2928 3624 : if (ns_div < 1000000000u) {
2929 3624 : nanosecs = (nanosecs * 10u) + (*s - '0');
2930 3624 : ns_div *= 10;
2931 : }
2932 : break;
2933 : }
2934 : }
2935 : }
2936 1778 : if (*s) {
2937 500 : if (strcasecmp(s, "am") == 0) {
2938 0 : if (hours == 12)
2939 0 : hours = 0;
2940 :
2941 0 : t->tm_hour = hours;
2942 : }
2943 500 : if (strcasecmp(s, "pm") == 0) {
2944 500 : if (hours == 0)
2945 0 : ret = 0;
2946 500 : if (hours > 0u && hours < 12u)
2947 500 : t->tm_hour = hours + 12;
2948 : else
2949 0 : t->tm_hour = hours;
2950 : }
2951 : } else {
2952 1278 : if (hours < 24u)
2953 1278 : t->tm_hour = hours;
2954 : else
2955 : ret = 0;
2956 : }
2957 1778 : if (minutes < 60u)
2958 1778 : t->tm_min = minutes;
2959 : else
2960 : ret = 0;
2961 1778 : if (seconds < 60u)
2962 1778 : t->tm_sec = seconds;
2963 : else
2964 : ret = 0;
2965 1778 : tdsdump_log(TDS_DBG_FUNC, "store_time() nanosecs = %d\n", nanosecs);
2966 1778 : if (nanosecs) {
2967 548 : if (nanosecs < ns_div && last_sep == '.')
2968 548 : t->tm_ns = nanosecs * (1000000000u / ns_div);
2969 0 : else if (nanosecs < 1000u)
2970 0 : t->tm_ns = nanosecs * 1000000u;
2971 : else
2972 : ret = 0;
2973 : }
2974 :
2975 1778 : return (ret);
2976 : }
2977 :
2978 : static int
2979 0 : store_hour(const char *hour, const char *ampm, struct tds_time *t)
2980 : {
2981 0 : int ret = 1;
2982 : int hours;
2983 :
2984 0 : hours = atoi(hour);
2985 :
2986 0 : if (hours >= 0 && hours < 24) {
2987 0 : if (strcasecmp(ampm, "am") == 0) {
2988 0 : if (hours == 12)
2989 0 : hours = 0;
2990 :
2991 0 : t->tm_hour = hours;
2992 : }
2993 0 : if (strcasecmp(ampm, "pm") == 0) {
2994 0 : if (hours == 0)
2995 0 : ret = 0;
2996 0 : if (hours > 0 && hours < 12)
2997 0 : t->tm_hour = hours + 12;
2998 : else
2999 0 : t->tm_hour = hours;
3000 : }
3001 : }
3002 0 : return ret;
3003 : }
3004 :
3005 : /**
3006 : * Get same type but nullable
3007 : * @param srctype type requires
3008 : * @return nullable type
3009 : */
3010 : TDS_SERVER_TYPE
3011 86 : tds_get_null_type(TDS_SERVER_TYPE srctype)
3012 : {
3013 :
3014 86 : switch (srctype) {
3015 : case SYBCHAR:
3016 : return SYBVARCHAR;
3017 : break;
3018 32 : case SYBINT1:
3019 : case SYBSINT1:
3020 : case SYBUINT1:
3021 : case SYBINT2:
3022 : case SYBINT4:
3023 : case SYBINT8:
3024 : /* TODO sure ?? */
3025 : case SYBUINT2:
3026 : case SYBUINT4:
3027 : case SYBUINT8:
3028 32 : return SYBINTN;
3029 : break;
3030 0 : case SYBREAL:
3031 : case SYBFLT8:
3032 0 : return SYBFLTN;
3033 : break;
3034 0 : case SYBDATETIME:
3035 : case SYBDATETIME4:
3036 0 : return SYBDATETIMN;
3037 : break;
3038 4 : case SYBBIT:
3039 4 : return SYBBITN;
3040 : break;
3041 0 : case SYBMONEY:
3042 : case SYBMONEY4:
3043 0 : return SYBMONEYN;
3044 : break;
3045 0 : case SYBTIME:
3046 0 : return SYBTIMEN;
3047 : break;
3048 0 : case SYBDATE:
3049 0 : return SYBDATEN;
3050 : break;
3051 : default:
3052 : break;
3053 : }
3054 30 : return srctype;
3055 : }
3056 :
3057 : static void
3058 : two_digit(char *out, int num)
3059 : {
3060 562 : if (num < 1)
3061 : num = 1;
3062 562 : if (num > 31)
3063 : num = 31;
3064 592 : out[0] = num < 10 ? ' ' : num/10 + '0';
3065 592 : out[1] = num%10 + '0';
3066 : }
3067 :
3068 : /**
3069 : * format a date string according to an "extended" strftime(3) formatting definition.
3070 : * @param buf output buffer
3071 : * @param maxsize size of buffer in bytes (space include terminator)
3072 : * @param format format string passed to strftime(3), except that %z represents fraction of seconds.
3073 : * @param dr date to convert
3074 : * @param prec second fraction precision (0-7).
3075 : * @return length of string returned, 0 for error
3076 : */
3077 : size_t
3078 2056 : tds_strftime(char *buf, size_t maxsize, const char *format, const TDSDATEREC * dr, int prec)
3079 : {
3080 : struct tm tm;
3081 :
3082 : size_t length;
3083 : char *our_format;
3084 : char *pz;
3085 2056 : bool z_found = false;
3086 :
3087 2056 : assert(buf);
3088 2056 : assert(format);
3089 2056 : assert(dr);
3090 2056 : assert(0 <= dr->decimicrosecond && dr->decimicrosecond < 10000000);
3091 2056 : if (prec < 0 || prec > 7)
3092 0 : prec = 3;
3093 :
3094 2056 : tm.tm_sec = dr->second;
3095 2056 : tm.tm_min = dr->minute;
3096 2056 : tm.tm_hour = dr->hour;
3097 2056 : tm.tm_mday = dr->day;
3098 2056 : tm.tm_mon = dr->month;
3099 2056 : tm.tm_year = dr->year - 1900;
3100 2056 : tm.tm_wday = dr->weekday;
3101 2056 : tm.tm_yday = dr->dayofyear;
3102 2056 : tm.tm_isdst = 0;
3103 : #ifdef HAVE_STRUCT_TM_TM_ZONE
3104 2056 : tm.tm_zone = NULL;
3105 : #elif defined(HAVE_STRUCT_TM___TM_ZONE)
3106 : tm.__tm_zone = NULL;
3107 : #endif
3108 :
3109 : /* more characters are required because we replace %z with up to 7 digits */
3110 2056 : our_format = tds_new(char, strlen(format) + 1 + 5 + 1);
3111 2056 : if (!our_format)
3112 : return 0;
3113 :
3114 2056 : strcpy(our_format, format);
3115 :
3116 25062 : for (pz = our_format; *pz; ) {
3117 20950 : if (*pz++ != '%')
3118 9090 : continue;
3119 :
3120 11860 : switch (*pz) {
3121 10 : case 0:
3122 10 : *pz++ = '%';
3123 10 : *pz = 0;
3124 10 : continue;
3125 : case '%':
3126 : /* escaped, do not treat as format on next iteration */
3127 : break;
3128 562 : case 'e':
3129 : /* not portable: day of month, single digit preceded by a blank */
3130 : /* not supported on old Windows versions */
3131 562 : two_digit(pz-1, dr->day);
3132 : break;
3133 30 : case 'l':
3134 : /* not portable: 12-hour, single digit preceded by a blank */
3135 : /* not supported on: SCO Unix, AIX, HP-UX, Windows
3136 : * supported on: *BSD, MacOS, Linux, Solaris */
3137 30 : two_digit(pz-1, (dr->hour + 11u) % 12u + 1);
3138 : break;
3139 1424 : case 'z':
3140 : /*
3141 : * Look for "%z" in the format string. If found, replace it with dr->milliseconds.
3142 : * For example, if milliseconds is 124, the format string
3143 : * "%b %d %Y %H:%M:%S.%z" would become
3144 : * "%b %d %Y %H:%M:%S.124".
3145 : */
3146 1424 : if (z_found)
3147 : break;
3148 1424 : z_found = true;
3149 :
3150 1424 : --pz;
3151 2700 : if (prec || pz <= our_format || pz[-1] != '.') {
3152 : char buf[12];
3153 1276 : sprintf(buf, "%07d", dr->decimicrosecond);
3154 1276 : memcpy(pz, buf, prec);
3155 1276 : strcpy(pz + prec, format + (pz - our_format) + 2);
3156 1276 : pz += prec;
3157 : } else {
3158 148 : strcpy(pz - 1, format + (pz - our_format) + 2);
3159 148 : pz--;
3160 : }
3161 1424 : continue;
3162 : }
3163 10426 : ++pz;
3164 : }
3165 :
3166 2056 : length = strftime(buf, maxsize, our_format, &tm);
3167 :
3168 2056 : free(our_format);
3169 :
3170 2056 : return length;
3171 : }
3172 :
3173 : #if 0
3174 : static TDS_UINT
3175 : utf16len(const utf16_t * s)
3176 : {
3177 : const utf16_t *p = s;
3178 :
3179 : while (*p++)
3180 : continue;
3181 : return p - s;
3182 : }
3183 : #endif
3184 :
3185 : #include "tds_willconvert.h"
3186 :
3187 : /**
3188 : * Test if a conversion is possible
3189 : * @param srctype source type
3190 : * @param desttype destination type
3191 : * @return 0 if not convertible
3192 : */
3193 : unsigned char
3194 1613254 : tds_willconvert(int srctype, int desttype)
3195 : {
3196 : TDS_TINYINT cat_from, cat_to;
3197 : TDS_UINT yn;
3198 :
3199 1613254 : tdsdump_log(TDS_DBG_FUNC, "tds_willconvert(%d, %d)\n", srctype, desttype);
3200 :
3201 : /* they must be from 0 to 255 */
3202 1613254 : if (((srctype|desttype) & ~0xff) != 0)
3203 : return 0;
3204 :
3205 1613254 : cat_from = type2category[srctype];
3206 1613254 : cat_to = type2category[desttype];
3207 1613254 : yn = category_conversion[cat_from];
3208 :
3209 1613254 : yn = (yn >> cat_to) & 1;
3210 :
3211 1613254 : tdsdump_log(TDS_DBG_FUNC, "tds_willconvert(%d, %d) returns %s\n",
3212 : srctype, desttype, yn? "yes":"no");
3213 1613254 : return yn;
3214 : }
3215 :
3216 : #if 0
3217 : select day(d) as day, datepart(dw, d) as weekday, datepart(week, d) as week, d as 'date' from #t order by d
3218 : day weekday week date
3219 : ----------- ----------- ----------- ----------
3220 : 1 5 1 2009-01-01 Thursday
3221 : 2 6 1 2009-01-02 Friday
3222 : 3 7 1 2009-01-03 Saturday
3223 : 4 1 2 2009-01-04 Sunday
3224 : 5 2 2 2009-01-05
3225 : 6 3 2 2009-01-06
3226 : 7 4 2 2009-01-07
3227 : 8 5 2 2009-01-08
3228 : 9 6 2 2009-01-09
3229 : 10 7 2 2009-01-10
3230 : 11 1 3 2009-01-11
3231 : 12 2 3 2009-01-12
3232 : 13 3 3 2009-01-13
3233 : 14 4 3 2009-01-14
3234 : 15 5 3 2009-01-15
3235 : 16 6 3 2009-01-16
3236 : 17 7 3 2009-01-17
3237 : 18 1 4 2009-01-18
3238 : 19 2 4 2009-01-19
3239 : 20 3 4 2009-01-20
3240 : 21 4 4 2009-01-21
3241 : 22 5 4 2009-01-22
3242 : 23 6 4 2009-01-23
3243 : 24 7 4 2009-01-24
3244 : 25 1 5 2009-01-25
3245 : 26 2 5 2009-01-26
3246 : 27 3 5 2009-01-27
3247 : 28 4 5 2009-01-28
3248 : 29 5 5 2009-01-29
3249 : 30 6 5 2009-01-30
3250 : 31 7 5 2009-01-31
3251 : #endif
3252 : /**
3253 : * Convert from db date format to a structured date format
3254 : * @param datetype source date type. SYBDATETIME or SYBDATETIME4
3255 : * @param di source date
3256 : * @param dr destination date
3257 : * @return TDS_FAIL or TDS_SUCCESS
3258 : */
3259 : TDSRET
3260 4836 : tds_datecrack(TDS_INT datetype, const void *di, TDSDATEREC * dr)
3261 : {
3262 : int dt_days;
3263 : unsigned int dt_time;
3264 :
3265 4836 : int years, months, days, ydays, wday, hours, mins, secs, dms, tzone = 0;
3266 : int l, n, i, j;
3267 :
3268 4836 : memset(dr, 0, sizeof(*dr));
3269 :
3270 4836 : if (datetype == SYBMSDATE || datetype == SYBMSTIME
3271 4836 : || datetype == SYBMSDATETIME2 || datetype == SYBMSDATETIMEOFFSET) {
3272 3642 : const TDS_DATETIMEALL *dta = (const TDS_DATETIMEALL *) di;
3273 3642 : dt_days = (datetype == SYBMSTIME) ? 0 : dta->date;
3274 3642 : if (datetype == SYBMSDATE) {
3275 : dms = 0;
3276 : secs = 0;
3277 : dt_time = 0;
3278 : } else {
3279 3410 : dms = dta->time % 10000000u;
3280 3410 : dt_time = (unsigned int) (dta->time / 10000000u);
3281 3410 : secs = dt_time % 60;
3282 3410 : dt_time = dt_time / 60;
3283 : }
3284 3642 : if (datetype == SYBMSDATETIMEOFFSET) {
3285 126 : --dt_days;
3286 126 : dt_time = dt_time + 1440 + dta->offset;
3287 126 : dt_days += dt_time / 1440;
3288 126 : dt_time %= 1440;
3289 126 : tzone = dta->offset;
3290 : }
3291 1194 : } else if (datetype == SYBDATETIME) {
3292 808 : const TDS_DATETIME *dt = (const TDS_DATETIME *) di;
3293 808 : dt_time = dt->dttime;
3294 808 : dms = ((dt_time % 300) * 1000 + 150) / 300 * 10000u;
3295 808 : dt_time = dt_time / 300;
3296 808 : secs = dt_time % 60;
3297 808 : dt_time = dt_time / 60;
3298 808 : dt_days = dt->dtdays;
3299 386 : } else if (datetype == SYBDATETIME4) {
3300 140 : const TDS_DATETIME4 *dt4 = (const TDS_DATETIME4 *) di;
3301 140 : secs = 0;
3302 140 : dms = 0;
3303 140 : dt_days = dt4->days;
3304 140 : dt_time = dt4->minutes;
3305 246 : } else if (datetype == SYBDATE) {
3306 92 : dt_days = *((const TDS_DATE *) di);
3307 92 : dms = 0;
3308 92 : secs = 0;
3309 92 : dt_time = 0;
3310 154 : } else if (datetype == SYBTIME) {
3311 94 : dt_time = *((const TDS_TIME *) di);
3312 94 : dms = ((dt_time % 300) * 1000 + 150) / 300 * 10000u;
3313 94 : dt_time = dt_time / 300;
3314 94 : secs = dt_time % 60;
3315 94 : dt_time = dt_time / 60;
3316 94 : dt_days = 0;
3317 60 : } else if (datetype == SYB5BIGTIME) {
3318 30 : TDS_UINT8 bigtime = *((const TDS_BIGTIME *) di);
3319 30 : dt_days = 0;
3320 30 : dms = bigtime % 1000000u * 10u;
3321 30 : dt_time = (bigtime / 1000000u) % 86400u;
3322 30 : secs = dt_time % 60;
3323 30 : dt_time = dt_time / 60u;
3324 30 : } else if (datetype == SYB5BIGDATETIME) {
3325 30 : TDS_UINT8 bigdatetime = *((const TDS_BIGDATETIME*) di);
3326 30 : dms = bigdatetime % 1000000u * 10u;
3327 30 : bigdatetime /= 1000000u;
3328 30 : secs = bigdatetime % 60u;
3329 30 : bigdatetime /= 60u;
3330 30 : dt_time = bigdatetime % (24u*60u);
3331 30 : dt_days = bigdatetime / (24u*60u) - BIGDATETIME_BIAS;
3332 : } else {
3333 : return TDS_FAIL;
3334 : }
3335 :
3336 : /*
3337 : * -53690 is minimun (1753-1-1) (Gregorian calendar start in 1732)
3338 : * 2958463 is maximun (9999-12-31)
3339 : */
3340 4836 : l = dt_days + (146038 + 146097*4);
3341 4836 : wday = (l + 4) % 7;
3342 4836 : n = (4 * l) / 146097; /* n century */
3343 4836 : l = l - (146097 * n + 3) / 4; /* days from xx00-02-28 (y-m-d) */
3344 4836 : i = (4000 * (l + 1)) / 1461001; /* years from xx00-02-28 */
3345 4836 : l = l - (1461 * i) / 4; /* year days from xx00-02-28 */
3346 4836 : ydays = l >= 306 ? l - 305 : l + 60;
3347 4836 : l += 31;
3348 4836 : j = (80 * l) / 2447;
3349 4836 : days = l - (2447 * j) / 80;
3350 4836 : l = j / 11;
3351 4836 : months = j + 1 - 12 * l;
3352 4836 : years = 100 * (n - 1) + i + l;
3353 4836 : if (l == 0 && (years & 3) == 0 && (years % 100 != 0 || years % 400 == 0))
3354 550 : ++ydays;
3355 :
3356 4836 : hours = dt_time / 60;
3357 4836 : mins = dt_time % 60;
3358 :
3359 4836 : dr->year = years;
3360 4836 : dr->month = months;
3361 4836 : dr->quarter = months / 3;
3362 4836 : dr->day = days;
3363 4836 : dr->dayofyear = ydays;
3364 4836 : dr->weekday = wday;
3365 4836 : dr->hour = hours;
3366 4836 : dr->minute = mins;
3367 4836 : dr->second = secs;
3368 4836 : dr->decimicrosecond = dms;
3369 4836 : dr->timezone = tzone;
3370 4836 : return TDS_SUCCESS;
3371 : }
3372 :
3373 : /**
3374 : * \brief convert a number in string to TDS_INT
3375 : *
3376 : * \return TDS_CONVERT_* or failure code on error
3377 : * \remarks Sybase's char->int conversion tolerates embedded blanks,
3378 : * such that "convert( int, ' - 13 ' )" works.
3379 : * If we find blanks, we copy the string to a temporary buffer,
3380 : * skipping the blanks.
3381 : * We return the results of atoi() with a clean string.
3382 : *
3383 : * n.b. it is possible to embed all sorts of non-printable characters, but we
3384 : * only check for spaces. at this time, no one on the project has tested anything else.
3385 : */
3386 : static TDS_INT
3387 602554 : string_to_int(const char *buf, const char *pend, TDS_INT * res)
3388 : {
3389 : bool negative;
3390 : unsigned int num; /* we use unsigned here for best overflow check */
3391 : size_t digits, decimals;
3392 :
3393 602554 : buf = parse_numeric(buf, pend, &negative, &digits, &decimals);
3394 602554 : if (!buf)
3395 : return TDS_CONVERT_SYNTAX;
3396 :
3397 : num = 0;
3398 3766828 : for (; digits; --digits, ++buf) {
3399 : /* add a digit to number and check for overflow */
3400 : /* NOTE I didn't forget a digit, I check overflow before multiply to prevent overflow */
3401 3988158 : if (num > 214748364u)
3402 : return TDS_CONVERT_OVERFLOW;
3403 3766828 : num = num * 10u + (*buf - '0');
3404 : }
3405 :
3406 : /* check for overflow and convert unsigned to signed */
3407 380674 : if (negative) {
3408 173226 : if (num > 2147483648u)
3409 : return TDS_CONVERT_OVERFLOW;
3410 171036 : *res = 0 - num;
3411 : } else {
3412 207448 : if (num >= 2147483648u)
3413 : return TDS_CONVERT_OVERFLOW;
3414 203818 : *res = num;
3415 : }
3416 :
3417 : return sizeof(TDS_INT);
3418 : }
3419 :
3420 : /**
3421 : * \brief convert a number in string to TDS_INT8
3422 : *
3423 : * \return TDS_CONVERT_* or failure code on error
3424 : */
3425 : static TDS_INT /* copied from string_ti_int and modified */
3426 476230 : parse_int8(const char *buf, const char *pend, TDS_UINT8 * res, bool * p_negative)
3427 : {
3428 : TDS_UINT8 num;
3429 : size_t digits, decimals;
3430 :
3431 476230 : buf = parse_numeric(buf, pend, p_negative, &digits, &decimals);
3432 476230 : if (!buf)
3433 : return TDS_CONVERT_SYNTAX;
3434 :
3435 : num = 0;
3436 4363020 : for (; digits; --digits, ++buf) {
3437 : /* add a digit to number and check for overflow */
3438 4375000 : TDS_UINT8 prev = num;
3439 4375000 : if (num > (UINT64_C(1) << 63) / 5u)
3440 : return TDS_CONVERT_OVERFLOW;
3441 4367560 : num = num * 10u + (*buf - '0');
3442 4367560 : if (num < prev)
3443 : return TDS_CONVERT_OVERFLOW;
3444 : }
3445 :
3446 463880 : *res = num;
3447 463880 : return sizeof(TDS_INT8);
3448 : }
3449 :
3450 : /**
3451 : * \brief convert a number in string to TDS_INT8
3452 : *
3453 : * \return TDS_CONVERT_* or failure code on error
3454 : */
3455 : static TDS_INT /* copied from string_ti_int and modified */
3456 374650 : string_to_int8(const char *buf, const char *pend, TDS_INT8 * res)
3457 : {
3458 : TDS_UINT8 num;
3459 : TDS_INT parse_res;
3460 : bool negative;
3461 :
3462 374650 : parse_res = parse_int8(buf, pend, &num, &negative);
3463 374650 : if (parse_res < 0)
3464 : return parse_res;
3465 :
3466 : /* check for overflow and convert unsigned to signed */
3467 366420 : if (negative) {
3468 168400 : if (num > UINT64_C(1) << 63)
3469 : return TDS_CONVERT_OVERFLOW;
3470 157150 : *res = 0 - num;
3471 : } else {
3472 198020 : if (num >= UINT64_C(1) << 63)
3473 : return TDS_CONVERT_OVERFLOW;
3474 185320 : *res = num;
3475 : }
3476 : return sizeof(TDS_INT8);
3477 : }
3478 :
3479 : /**
3480 : * \brief convert a number in string to TDS_UINT8
3481 : *
3482 : * \return TDS_CONVERT_* or failure code on error
3483 : */
3484 : static TDS_INT /* copied from string_to_int8 and modified */
3485 101580 : string_to_uint8(const char *buf, const char *pend, TDS_UINT8 * res)
3486 : {
3487 : TDS_UINT8 num;
3488 : TDS_INT parse_res;
3489 : bool negative;
3490 :
3491 101580 : parse_res = parse_int8(buf, pend, &num, &negative);
3492 101580 : if (parse_res < 0)
3493 : return parse_res;
3494 :
3495 : /* check for overflow */
3496 97460 : if (negative && num)
3497 : return TDS_CONVERT_OVERFLOW;
3498 :
3499 52460 : *res = num;
3500 52460 : return sizeof(TDS_UINT8);
3501 : }
3502 :
3503 : /**
3504 : * Parse a string for numbers.
3505 : *
3506 : * Syntax can be something like " *[+-] *[0-9]*\.[0-9]* *".
3507 : *
3508 : * The function ignore all spaces. It strips leading zeroes which could
3509 : * possibly lead to overflow.
3510 : * The function returns a pointer to the integer part followed by *p_digits
3511 : * digits followed by a dot followed by *p_decimals digits (dot and
3512 : * fractional digits are optional, in this case *p_decimals is 0).
3513 : *
3514 : * @param buf start of string
3515 : * @param pend pointer to string end
3516 : * @param p_negative store if number is negative
3517 : * @param p_digits store number of integer digits
3518 : * @param p_decimals store number of fractional digits
3519 : * @return pointer to first not zero digit. If NULL this indicate a syntax
3520 : * error.
3521 : */
3522 : static const char *
3523 1399134 : parse_numeric(const char *buf, const char *pend, bool *p_negative, size_t *p_digits, size_t *p_decimals)
3524 : {
3525 : enum { blank = ' ' };
3526 : #define SKIP_IF(cond) while (p != pend && (cond)) ++p;
3527 : const char *p, *start;
3528 1399134 : bool negative = false;
3529 :
3530 1399134 : *p_decimals = 0;
3531 1399134 : p = buf;
3532 :
3533 : /* ignore leading spaces */
3534 1399134 : SKIP_IF(*p == blank);
3535 1399134 : if (p == pend) {
3536 700 : *p_negative = false;
3537 700 : *p_digits = 0;
3538 700 : return p;
3539 : }
3540 :
3541 : /* check for sign */
3542 1398434 : switch (*p) {
3543 644176 : case '-':
3544 644176 : negative = true;
3545 : /* fall thru */
3546 644346 : case '+':
3547 : /* skip spaces between sign and number */
3548 644346 : ++p;
3549 644346 : SKIP_IF(*p == blank);
3550 : break;
3551 : }
3552 1398434 : *p_negative = negative;
3553 :
3554 : /* a digit must be present */
3555 1398434 : if (p == pend)
3556 : return NULL;
3557 :
3558 : /*
3559 : * skip leading zeroes
3560 : * Not skipping them cause numbers like "000000000000" to
3561 : * appear like overflow
3562 : */
3563 10880 : SKIP_IF(*p == '0');
3564 :
3565 : start = p;
3566 12173558 : SKIP_IF(TDS_ISDIGIT(*p));
3567 1398274 : *p_digits = p - start;
3568 :
3569 : /* parse decimal part */
3570 1398274 : if (p != pend && *p == '.') {
3571 3860 : const char *decimals_start = ++p;
3572 3860 : SKIP_IF(TDS_ISDIGIT(*p));
3573 3860 : *p_decimals = p - decimals_start;
3574 : }
3575 :
3576 : /* check for trailing spaces */
3577 586 : SKIP_IF(*p == blank);
3578 1398274 : if (p != pend)
3579 : return NULL;
3580 :
3581 1397474 : return start;
3582 : }
3583 :
3584 : static TDS_INT
3585 189250 : string_to_float(const TDS_CHAR * src, TDS_UINT srclen, int desttype, CONV_RESULT * cr)
3586 : {
3587 : char tmpstr[128];
3588 : char *end;
3589 : double res;
3590 :
3591 : /* ignore leading spaces */
3592 378500 : while (srclen > 0 && src[0] == ' ')
3593 0 : ++src, --srclen;
3594 :
3595 : /* ignore trailing blanks and nulls */
3596 189250 : while (srclen > 0 && (src[srclen - 1] == ' ' || src[srclen - 1] == '\0'))
3597 : --srclen;
3598 :
3599 189250 : if (srclen >= sizeof(tmpstr))
3600 : return TDS_CONVERT_OVERFLOW;
3601 :
3602 189250 : memcpy(tmpstr, src, srclen);
3603 189250 : tmpstr[srclen] = 0;
3604 :
3605 189250 : errno = 0;
3606 189250 : res = strtod(tmpstr, &end);
3607 189250 : if (errno == ERANGE)
3608 : return TDS_CONVERT_OVERFLOW;
3609 189250 : if (end != tmpstr + srclen)
3610 : return TDS_CONVERT_SYNTAX;
3611 :
3612 189250 : if (desttype == SYBREAL) {
3613 : /* FIXME check overflows */
3614 94620 : cr->r = (TDS_REAL)res;
3615 94620 : return sizeof(TDS_REAL);
3616 : }
3617 94630 : cr->f = res;
3618 94630 : return sizeof(TDS_FLOAT);
3619 : }
3620 :
3621 : /** @} */
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