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 21330 : string_to_result(int desttype, const char *s, CONV_RESULT * cr)
176 : {
177 21330 : size_t len = strlen(s);
178 :
179 21330 : if (desttype != TDS_CONVERT_CHAR) {
180 6474 : cr->c = tds_new(TDS_CHAR, len + 1);
181 6474 : test_alloc(cr->c);
182 6474 : 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 21330 : 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 21788 : 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 27394 : 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 51154 : 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 218956 : tds_convert_int(TDS_INT num, int desttype, CONV_RESULT * cr)
647 : {
648 : TDS_CHAR tmp_str[16];
649 :
650 218956 : switch (desttype) {
651 12566 : case TDS_CONVERT_CHAR:
652 : case CASE_ALL_CHAR:
653 12566 : sprintf(tmp_str, "%d", num);
654 12566 : 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 20728 : case SYBINT4:
682 20728 : cr->i = num;
683 20728 : 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 : char tmpstr[MAXPRECISION];
903 : TDS_INT i, ret;
904 : TDS_INT8 bi;
905 :
906 75164 : switch (desttype) {
907 2292 : case TDS_CONVERT_CHAR:
908 : case CASE_ALL_CHAR:
909 2292 : if (tds_numeric_to_string(src, tmpstr) < 0)
910 : return TDS_CONVERT_FAIL;
911 2292 : return string_to_result(desttype, tmpstr, cr);
912 : break;
913 4680 : case SYBSINT1:
914 4680 : cr->n = *src;
915 4680 : ret = tds_numeric_change_prec_scale(&(cr->n), 3, 0);
916 4680 : if (ret < 0)
917 : return ret;
918 1280 : if (cr->n.array[1])
919 : return TDS_CONVERT_OVERFLOW;
920 1060 : i = cr->n.array[2];
921 1060 : if (cr->n.array[0])
922 520 : i = -i;
923 1060 : if (i != 0 && ((i >> 7) ^ cr->n.array[0]) & 1)
924 : return TDS_CONVERT_OVERFLOW;
925 650 : cr->ti = (TDS_TINYINT) i;
926 650 : return sizeof(TDS_TINYINT);
927 : break;
928 9440 : case SYBINT1:
929 : case SYBUINT1:
930 9440 : cr->n = *src;
931 9440 : ret = tds_numeric_change_prec_scale(&(cr->n), 3, 0);
932 9440 : if (ret < 0)
933 : return ret;
934 2640 : if (cr->n.array[1] || (cr->n.array[0] && cr->n.array[2]))
935 : return TDS_CONVERT_OVERFLOW;
936 1180 : cr->ti = cr->n.array[2];
937 1180 : return sizeof(TDS_TINYINT);
938 : break;
939 4810 : case SYBINT2:
940 4810 : cr->n = *src;
941 4810 : ret = tds_numeric_change_prec_scale(&(cr->n), 5, 0);
942 4810 : if (ret < 0)
943 : return ret;
944 2210 : if (cr->n.array[1])
945 : return TDS_CONVERT_OVERFLOW;
946 1990 : i = TDS_GET_UA2BE(&(cr->n.array[2]));
947 1990 : if (cr->n.array[0])
948 970 : i = -i;
949 1990 : if (i != 0 && ((i >> 15) ^ cr->n.array[0]) & 1)
950 : return TDS_CONVERT_OVERFLOW;
951 1580 : cr->si = (TDS_SMALLINT) i;
952 1580 : return sizeof(TDS_SMALLINT);
953 : break;
954 4760 : case SYBUINT2:
955 4760 : cr->n = *src;
956 4760 : ret = tds_numeric_change_prec_scale(&(cr->n), 5, 0);
957 4760 : if (ret < 0)
958 : return ret;
959 2200 : i = TDS_GET_UA2BE(&(cr->n.array[2]));
960 2200 : if ((i != 0 && cr->n.array[0]) || cr->n.array[1])
961 : return TDS_CONVERT_OVERFLOW;
962 1050 : cr->usi = (TDS_USMALLINT) i;
963 1050 : return sizeof(TDS_USMALLINT);
964 : break;
965 4910 : case SYBINT4:
966 4910 : cr->n = *src;
967 4910 : ret = tds_numeric_change_prec_scale(&(cr->n), 10, 0);
968 4910 : if (ret < 0)
969 : return ret;
970 3650 : if (cr->n.array[1])
971 : return TDS_CONVERT_OVERFLOW;
972 3430 : i = TDS_GET_UA4BE(&(cr->n.array[2]));
973 3430 : if (cr->n.array[0])
974 1640 : i = -i;
975 3430 : if (i != 0 && ((i >> 31) ^ cr->n.array[0]) & 1)
976 : return TDS_CONVERT_OVERFLOW;
977 3020 : cr->i = i;
978 3020 : return sizeof(TDS_INT);
979 : break;
980 4820 : case SYBUINT4:
981 4820 : cr->n = *src;
982 4820 : ret = tds_numeric_change_prec_scale(&(cr->n), 10, 0);
983 4820 : if (ret < 0)
984 : return ret;
985 3560 : i = TDS_GET_UA4BE(&(cr->n.array[2]));
986 3560 : if ((i != 0 && cr->n.array[0]) || cr->n.array[1])
987 : return TDS_CONVERT_OVERFLOW;
988 1780 : cr->ui = i;
989 1780 : return sizeof(TDS_UINT);
990 : break;
991 4970 : case SYBINT8:
992 4970 : cr->n = *src;
993 4970 : ret = tds_numeric_change_prec_scale(&(cr->n), 20, 0);
994 4970 : if (ret < 0)
995 : return ret;
996 4970 : if (cr->n.array[1])
997 : return TDS_CONVERT_OVERFLOW;
998 4750 : bi = TDS_GET_UA4BE(&(cr->n.array[2]));
999 4750 : bi = (bi << 32) + TDS_GET_UA4BE(&(cr->n.array[6]));
1000 4750 : if (cr->n.array[0])
1001 2310 : bi = -bi;
1002 4750 : if (bi != 0 && ((bi >> 63) ^ cr->n.array[0]) & 1)
1003 : return TDS_CONVERT_OVERFLOW;
1004 4340 : cr->bi = bi;
1005 4340 : return sizeof(TDS_INT8);
1006 : break;
1007 4880 : case SYBUINT8:
1008 4880 : cr->n = *src;
1009 4880 : ret = tds_numeric_change_prec_scale(&(cr->n), 20, 0);
1010 4880 : if (ret < 0)
1011 : return ret;
1012 4880 : bi = TDS_GET_UA4BE(&(cr->n.array[2]));
1013 4880 : bi = (bi << 32) + TDS_GET_UA4BE(&(cr->n.array[6]));
1014 4880 : if ((bi != 0 && cr->n.array[0]) || cr->n.array[1])
1015 : return TDS_CONVERT_OVERFLOW;
1016 2470 : cr->ubi = bi;
1017 2470 : return sizeof(TDS_UINT8);
1018 : break;
1019 80 : case SYBBIT:
1020 : case SYBBITN:
1021 80 : cr->ti = 0;
1022 160 : for (i = tds_numeric_bytes_per_prec[src->precision]; --i > 0;)
1023 80 : if (src->array[i] != 0) {
1024 80 : cr->ti = 1;
1025 80 : break;
1026 : }
1027 : return sizeof(TDS_TINYINT);
1028 : break;
1029 4790 : case SYBMONEY4:
1030 4790 : cr->n = *src;
1031 4790 : ret = tds_numeric_change_prec_scale(&(cr->n), 10, 4);
1032 4790 : if (ret < 0)
1033 : return ret;
1034 2690 : if (cr->n.array[1])
1035 : return TDS_CONVERT_OVERFLOW;
1036 2690 : i = TDS_GET_UA4BE(&(cr->n.array[2]));
1037 2690 : if (cr->n.array[0])
1038 1310 : i = -i;
1039 2690 : if (i != 0 && ((i >> 31) ^ cr->n.array[0]) & 1)
1040 : return TDS_CONVERT_OVERFLOW;
1041 2490 : cr->m4.mny4 = i;
1042 2490 : return sizeof(TDS_MONEY4);
1043 : break;
1044 4890 : case SYBMONEY:
1045 4890 : cr->n = *src;
1046 4890 : ret = tds_numeric_change_prec_scale(&(cr->n), 20, 4);
1047 4890 : if (ret < 0)
1048 : return ret;
1049 4050 : if (cr->n.array[1])
1050 : return TDS_CONVERT_OVERFLOW;
1051 4050 : bi = TDS_GET_UA4BE(&(cr->n.array[2]));
1052 4050 : bi = (bi << 32) + TDS_GET_UA4BE(&(cr->n.array[6]));
1053 4050 : if (cr->n.array[0])
1054 1980 : bi = -bi;
1055 4050 : if (bi != 0 && ((bi >> 63) ^ cr->n.array[0]) & 1)
1056 : return TDS_CONVERT_OVERFLOW;
1057 3850 : cr->m.mny = bi;
1058 3850 : return sizeof(TDS_MONEY);
1059 : break;
1060 5642 : case SYBNUMERIC:
1061 : case SYBDECIMAL:
1062 : {
1063 5642 : unsigned char prec = cr->n.precision, scale = cr->n.scale;
1064 5642 : cr->n = *src;
1065 5642 : return tds_numeric_change_prec_scale(&(cr->n), prec, scale);
1066 : }
1067 : break;
1068 4680 : case SYBFLT8:
1069 4680 : if (tds_numeric_to_string(src, tmpstr) < 0)
1070 : return TDS_CONVERT_FAIL;
1071 4680 : cr->f = atof(tmpstr);
1072 4680 : return 8;
1073 : break;
1074 4680 : case SYBREAL:
1075 4680 : if (tds_numeric_to_string(src, tmpstr) < 0)
1076 : return TDS_CONVERT_FAIL;
1077 4680 : cr->r = (TDS_REAL) atof(tmpstr);
1078 4680 : return 4;
1079 : break;
1080 : /* conversions not allowed */
1081 : case SYBUNIQUE:
1082 : case SYBDATETIME4:
1083 : case SYBDATETIME:
1084 : case SYBDATETIMN:
1085 : default:
1086 : break;
1087 : }
1088 : return TDS_CONVERT_NOAVAIL;
1089 : }
1090 :
1091 : static TDS_INT
1092 35770 : tds_convert_money4(const TDSCONTEXT * tds_ctx, const TDS_MONEY4 * src, int desttype, CONV_RESULT * cr)
1093 : {
1094 : TDS_MONEY4 mny;
1095 : long dollars;
1096 :
1097 35770 : mny = *src;
1098 35770 : switch (desttype) {
1099 1490 : case TDS_CONVERT_CHAR:
1100 : case CASE_ALL_CHAR: {
1101 : char tmp_str[33];
1102 : char *p;
1103 : unsigned dollars;
1104 : /*
1105 : * round to 2 decimal digits
1106 : * rounding with dollars = (mny.mny4 + 5000) /10000
1107 : * can give arithmetic overflow so I use
1108 : * dollars = (mny.mny4/50 + 1)/2
1109 : */
1110 : /* TODO round also all conversions to int and from money ?? */
1111 1490 : p = tmp_str;
1112 1490 : if (mny.mny4 < 0) {
1113 310 : *p++ = '-';
1114 : /* we use unsigned cause this cause arithmetic problem for -2^31*/
1115 310 : dollars = -mny.mny4;
1116 : } else {
1117 1180 : dollars = mny.mny4;
1118 : }
1119 1490 : if (tds_ctx->money_use_2_digits) {
1120 : /* print only 2 decimal digits as server does */
1121 0 : dollars = (dollars + 50) / 100;
1122 0 : sprintf(p, "%u.%02u", dollars / 100u, dollars % 100u);
1123 : } else {
1124 1490 : sprintf(p, "%u.%04u", dollars / 10000u, dollars % 10000u);
1125 : }
1126 1490 : return string_to_result(desttype, tmp_str, cr);
1127 : } break;
1128 2170 : case SYBSINT1:
1129 2170 : dollars = mny.mny4 / 10000;
1130 2170 : if (!IS_SINT1(dollars))
1131 : return TDS_CONVERT_OVERFLOW;
1132 430 : cr->ti = (TDS_TINYINT) dollars;
1133 : return sizeof(TDS_TINYINT);
1134 : break;
1135 4420 : case SYBINT1:
1136 : case SYBUINT1:
1137 4420 : dollars = mny.mny4 / 10000;
1138 4420 : if (!IS_TINYINT(dollars))
1139 : return TDS_CONVERT_OVERFLOW;
1140 940 : cr->ti = (TDS_TINYINT) dollars;
1141 : return sizeof(TDS_TINYINT);
1142 : break;
1143 2310 : case SYBINT2:
1144 2310 : dollars = mny.mny4 / 10000;
1145 2310 : if (!IS_SMALLINT(dollars))
1146 : return TDS_CONVERT_OVERFLOW;
1147 1460 : cr->si = (TDS_SMALLINT) dollars;
1148 : return sizeof(TDS_SMALLINT);
1149 : break;
1150 2250 : case SYBUINT2:
1151 2250 : dollars = mny.mny4 / 10000;
1152 2250 : if (!IS_USMALLINT(dollars))
1153 : return TDS_CONVERT_OVERFLOW;
1154 980 : cr->usi = (TDS_USMALLINT) dollars;
1155 : return sizeof(TDS_USMALLINT);
1156 : break;
1157 2370 : case SYBINT4:
1158 2370 : cr->i = mny.mny4 / 10000;
1159 : return sizeof(TDS_INT);
1160 : break;
1161 2270 : case SYBUINT4:
1162 2270 : dollars = mny.mny4 / 10000;
1163 2270 : if (!INT_IS_UINT(dollars))
1164 : return TDS_CONVERT_OVERFLOW;
1165 1220 : cr->ui = dollars;
1166 : return sizeof(TDS_UINT);
1167 : break;
1168 2320 : case SYBINT8:
1169 2320 : cr->bi = mny.mny4 / 10000;
1170 : return sizeof(TDS_INT8);
1171 : break;
1172 2270 : case SYBUINT8:
1173 2270 : dollars = mny.mny4 / 10000;
1174 2270 : if (dollars < 0)
1175 : return TDS_CONVERT_OVERFLOW;
1176 1220 : cr->ubi = dollars;
1177 : return sizeof(TDS_UINT8);
1178 : break;
1179 70 : case SYBBIT:
1180 : case SYBBITN:
1181 70 : cr->ti = mny.mny4 ? 1 : 0;
1182 : return sizeof(TDS_TINYINT);
1183 : break;
1184 2170 : case SYBFLT8:
1185 2170 : cr->f = ((TDS_FLOAT) mny.mny4) / 10000.0;
1186 : return sizeof(TDS_FLOAT);
1187 : break;
1188 2170 : case SYBREAL:
1189 2170 : cr->r = (TDS_REAL) (mny.mny4 / 10000.0);
1190 : return sizeof(TDS_REAL);
1191 : break;
1192 2270 : case SYBMONEY:
1193 2270 : cr->m.mny = (TDS_INT8) mny.mny4;
1194 : return sizeof(TDS_MONEY);
1195 : break;
1196 2260 : case SYBMONEY4:
1197 2260 : cr->m4 = mny;
1198 : return sizeof(TDS_MONEY4);
1199 : break;
1200 2330 : case SYBDECIMAL:
1201 : case SYBNUMERIC:
1202 2330 : if (mny.mny4 < 0)
1203 2200 : return tds_convert_int_numeric(4, 1, (TDS_UINT) -mny.mny4, cr);
1204 2460 : return tds_convert_int_numeric(4, 0, (TDS_UINT) mny.mny4, cr);
1205 : /* conversions not allowed */
1206 : case SYBUNIQUE:
1207 : case SYBDATETIME4:
1208 : case SYBDATETIME:
1209 : case SYBDATETIMN:
1210 : default:
1211 : return TDS_CONVERT_NOAVAIL;
1212 : break;
1213 : }
1214 : return TDS_CONVERT_FAIL;
1215 : }
1216 :
1217 : static TDS_INT
1218 54418 : tds_convert_money(const TDSCONTEXT * tds_ctx, const TDS_MONEY * src, int desttype, CONV_RESULT * cr)
1219 : {
1220 : char *s;
1221 :
1222 : TDS_INT8 mymoney, dollars;
1223 : char tmpstr[64];
1224 :
1225 54418 : tdsdump_log(TDS_DBG_FUNC, "tds_convert_money()\n");
1226 54418 : mymoney = ((TDS_INT8) src->tdsoldmoney.mnyhigh << 32) | src->tdsoldmoney.mnylow;
1227 :
1228 54418 : switch (desttype) {
1229 2004 : case TDS_CONVERT_CHAR:
1230 : case CASE_ALL_CHAR:
1231 2004 : s = tds_money_to_string((const TDS_MONEY *) src, tmpstr, tds_ctx->money_use_2_digits);
1232 2004 : return string_to_result(desttype, s, cr);
1233 : break;
1234 3430 : case SYBSINT1:
1235 3430 : if (mymoney <= -129 * 10000 || mymoney >= 128 * 10000)
1236 : return TDS_CONVERT_OVERFLOW;
1237 430 : cr->ti = (int8_t) (((TDS_INT) mymoney) / 10000);
1238 : return sizeof(TDS_TINYINT);
1239 : break;
1240 6940 : case SYBINT1:
1241 : case SYBUINT1:
1242 6940 : if (mymoney <= -10000 || mymoney >= 256 * 10000)
1243 : return TDS_CONVERT_OVERFLOW;
1244 : /* TODO: round ?? */
1245 940 : cr->ti = (TDS_TINYINT) (((TDS_INT) mymoney) / 10000);
1246 : return sizeof(TDS_TINYINT);
1247 : break;
1248 3570 : case SYBINT2:
1249 3570 : if (mymoney <= -32769 * 10000 || mymoney >= 32768 * 10000)
1250 : return TDS_CONVERT_OVERFLOW;
1251 1460 : cr->si = (TDS_SMALLINT) (((TDS_INT) mymoney) / 10000);
1252 : return sizeof(TDS_SMALLINT);
1253 : break;
1254 3510 : case SYBUINT2:
1255 3510 : if (mymoney <= -1 * 10000 || mymoney >= 65536 * 10000)
1256 : return TDS_CONVERT_OVERFLOW;
1257 980 : cr->usi = (TDS_USMALLINT) (((TDS_INT) mymoney) / 10000);
1258 : return sizeof(TDS_USMALLINT);
1259 : break;
1260 3670 : case SYBINT4:
1261 3670 : dollars = mymoney / 10000;
1262 3670 : if (!INT_IS_INT(dollars))
1263 : return TDS_CONVERT_OVERFLOW;
1264 2820 : cr->i = (TDS_INT) dollars;
1265 : return sizeof(TDS_INT);
1266 : break;
1267 3570 : case SYBUINT4:
1268 3570 : dollars = mymoney / 10000;
1269 3570 : if (!INT_IS_UINT(dollars))
1270 : return TDS_CONVERT_OVERFLOW;
1271 1670 : cr->ui = (TDS_UINT) dollars;
1272 : return sizeof(TDS_UINT);
1273 : break;
1274 3680 : case SYBINT8:
1275 3680 : cr->bi = mymoney / 10000;
1276 : return sizeof(TDS_INT8);
1277 : break;
1278 3590 : case SYBUINT8:
1279 3590 : dollars = mymoney / 10000;
1280 3590 : if (dollars < 0)
1281 : return TDS_CONVERT_OVERFLOW;
1282 1910 : cr->ubi = (TDS_UINT8) dollars;
1283 : return sizeof(TDS_UINT8);
1284 : break;
1285 70 : case SYBBIT:
1286 : case SYBBITN:
1287 70 : cr->ti = mymoney ? 1 : 0;
1288 : return sizeof(TDS_TINYINT);
1289 : break;
1290 3484 : case SYBFLT8:
1291 3484 : cr->f = ((TDS_FLOAT) mymoney) / 10000.0;
1292 : return sizeof(TDS_FLOAT);
1293 : break;
1294 3430 : case SYBREAL:
1295 3430 : cr->r = (TDS_REAL) (mymoney / 10000.0);
1296 : return sizeof(TDS_REAL);
1297 : break;
1298 3530 : case SYBMONEY4:
1299 3530 : if (!INT_IS_INT(mymoney))
1300 : return TDS_CONVERT_OVERFLOW;
1301 2270 : cr->m4.mny4 = (TDS_INT) mymoney;
1302 : return sizeof(TDS_MONEY4);
1303 : break;
1304 3620 : case SYBMONEY:
1305 3620 : cr->m.mny = mymoney;
1306 : return sizeof(TDS_MONEY);
1307 : break;
1308 3690 : case SYBDECIMAL:
1309 : case SYBNUMERIC:
1310 3690 : if (mymoney < 0)
1311 3540 : return tds_convert_int8_numeric(4, 1, -mymoney, cr);
1312 3840 : return tds_convert_int8_numeric(4, 0, mymoney, cr);
1313 : break;
1314 : /* conversions not allowed */
1315 : case SYBUNIQUE:
1316 : case SYBDATETIME4:
1317 : case SYBDATETIME:
1318 : case SYBDATETIMN:
1319 : default:
1320 : break;
1321 : }
1322 : return TDS_CONVERT_NOAVAIL;
1323 : }
1324 :
1325 : static TDS_INT
1326 24326 : tds_convert_datetimeall(const TDSCONTEXT * tds_ctx, int srctype, const TDS_DATETIMEALL * dta, int desttype, CONV_RESULT * cr)
1327 : {
1328 : char whole_date_string[64];
1329 : const char *datetime_fmt;
1330 : TDSDATEREC when;
1331 :
1332 24326 : switch (desttype) {
1333 604 : case TDS_CONVERT_CHAR:
1334 : case CASE_ALL_CHAR:
1335 604 : tds_datecrack(srctype, dta, &when);
1336 604 : datetime_fmt = tds_ctx->locale->datetime_fmt;
1337 604 : if (srctype == SYBMSDATE && tds_ctx->locale->date_fmt)
1338 110 : datetime_fmt = tds_ctx->locale->date_fmt;
1339 604 : if (srctype == SYBMSTIME && tds_ctx->locale->time_fmt)
1340 220 : datetime_fmt = tds_ctx->locale->time_fmt;
1341 604 : tds_strftime(whole_date_string, sizeof(whole_date_string), datetime_fmt, &when,
1342 604 : dta->time_prec);
1343 :
1344 604 : return string_to_result(desttype, whole_date_string, cr);
1345 350 : case SYBDATETIME:
1346 350 : cr->dt.dtdays = dta->date;
1347 350 : cr->dt.dttime = (TDS_INT) ((dta->time * 3u + 50000u) / 100000u);
1348 : return sizeof(TDS_DATETIME);
1349 80 : case SYBDATETIME4:
1350 80 : if (!IS_USMALLINT(dta->date))
1351 : return TDS_CONVERT_OVERFLOW;
1352 80 : cr->dt4.days = (TDS_USMALLINT) dta->date;
1353 80 : cr->dt4.minutes = (TDS_USMALLINT) ((dta->time + 30u * 10000000u) / (60u * 10000000u));
1354 : return sizeof(TDS_DATETIME4);
1355 1552 : case SYBMSDATETIMEOFFSET:
1356 : case SYBMSDATE:
1357 : case SYBMSTIME:
1358 : case SYBMSDATETIME2:
1359 1552 : cr->dta = *dta;
1360 : return sizeof(TDS_DATETIMEALL);
1361 100 : case SYBDATE:
1362 100 : cr->date = dta->date;
1363 : return sizeof(TDS_DATE);
1364 80 : case SYBTIME:
1365 80 : cr->time = (TDS_INT) ((dta->time * 3u + 50000u) / 100000u);
1366 : return sizeof(TDS_TIME);
1367 90 : case SYB5BIGTIME:
1368 90 : cr->bigtime = dta->time / 10u;
1369 : return sizeof(TDS_UINT8);
1370 110 : case SYB5BIGDATETIME:
1371 220 : cr->bigtime = dta->time / 10u
1372 110 : + (dta->date + BIGDATETIME_BIAS) * (UINT64_C(86400) * 1000000u);
1373 : return sizeof(TDS_UINT8);
1374 : /* conversions not allowed */
1375 : case SYBUNIQUE:
1376 : case SYBBIT:
1377 : case SYBBITN:
1378 : case SYBINT1:
1379 : case SYBSINT1:
1380 : case SYBUINT1:
1381 : case SYBINT2:
1382 : case SYBUINT2:
1383 : case SYBINT4:
1384 : case SYBUINT4:
1385 : case SYBINT8:
1386 : case SYBUINT8:
1387 : case SYBMONEY4:
1388 : case SYBMONEY:
1389 : case SYBNUMERIC:
1390 : case SYBDECIMAL:
1391 : default:
1392 : break;
1393 : }
1394 : return TDS_CONVERT_NOAVAIL;
1395 : }
1396 :
1397 : static TDS_INT
1398 8134 : tds_convert_datetime(const TDSCONTEXT * tds_ctx, const TDS_DATETIME * dt, int desttype, unsigned precision, CONV_RESULT * cr)
1399 : {
1400 : char whole_date_string[64];
1401 : TDSDATEREC when;
1402 :
1403 8134 : switch (desttype) {
1404 508 : case TDS_CONVERT_CHAR:
1405 : case CASE_ALL_CHAR:
1406 508 : tds_datecrack(SYBDATETIME, dt, &when);
1407 508 : tds_strftime(whole_date_string, sizeof(whole_date_string), tds_ctx->locale->datetime_fmt, &when, 3);
1408 :
1409 508 : return string_to_result(desttype, whole_date_string, cr);
1410 10 : case SYBDATETIME:
1411 10 : cr->dt = *dt;
1412 : return sizeof(TDS_DATETIME);
1413 10 : case SYBDATETIME4:
1414 10 : if (!IS_USMALLINT(dt->dtdays))
1415 : return TDS_CONVERT_OVERFLOW;
1416 10 : cr->dt4.days = dt->dtdays;
1417 10 : cr->dt4.minutes = (dt->dttime / 300) / 60;
1418 : return sizeof(TDS_DATETIME4);
1419 30 : case SYBDATE:
1420 30 : cr->date = dt->dtdays;
1421 : return sizeof(TDS_DATE);
1422 30 : case SYBTIME:
1423 30 : cr->time = dt->dttime;
1424 : return sizeof(TDS_TIME);
1425 1206 : case SYBMSDATETIMEOFFSET:
1426 : case SYBMSDATE:
1427 : case SYBMSTIME:
1428 : case SYBMSDATETIME2:
1429 1206 : memset(&cr->dta, 0, sizeof(cr->dta));
1430 1206 : cr->dta.time_prec = precision;
1431 1206 : if (desttype == SYBMSDATETIMEOFFSET)
1432 20 : cr->dta.has_offset = 1;
1433 1206 : if (desttype != SYBMSDATE) {
1434 1186 : cr->dta.has_time = 1;
1435 1186 : cr->dta.time_prec = 3;
1436 1186 : cr->dta.time = (dt->dttime * UINT64_C(20) + 3) / 6 * 10000u;
1437 : }
1438 1206 : if (desttype != SYBMSTIME) {
1439 1186 : cr->dta.has_date = 1;
1440 1186 : cr->dta.date = dt->dtdays;
1441 : }
1442 : return sizeof(TDS_DATETIMEALL);
1443 20 : case SYB5BIGTIME:
1444 20 : cr->bigtime = (dt->dttime * UINT64_C(20) + 3u) / 6u * 1000u;
1445 : return sizeof(TDS_BIGTIME);
1446 20 : case SYB5BIGDATETIME:
1447 40 : cr->bigdatetime = (dt->dttime * UINT64_C(20) + 3u) / 6u * 1000u
1448 20 : + (dt->dtdays + BIGDATETIME_BIAS) * (UINT64_C(86400) * 1000000u);
1449 : return sizeof(TDS_BIGDATETIME);
1450 : /* conversions not allowed */
1451 : case SYBUNIQUE:
1452 : case SYBBIT:
1453 : case SYBBITN:
1454 : case SYBINT1:
1455 : case SYBSINT1:
1456 : case SYBUINT1:
1457 : case SYBINT2:
1458 : case SYBUINT2:
1459 : case SYBINT4:
1460 : case SYBUINT4:
1461 : case SYBINT8:
1462 : case SYBUINT8:
1463 : case SYBMONEY4:
1464 : case SYBMONEY:
1465 : case SYBNUMERIC:
1466 : case SYBDECIMAL:
1467 : default:
1468 : break;
1469 : }
1470 : return TDS_CONVERT_NOAVAIL;
1471 : }
1472 :
1473 : static TDS_INT
1474 3694 : tds_convert_datetime4(const TDSCONTEXT * tds_ctx, const TDS_DATETIME4 * dt4, int desttype, CONV_RESULT * cr)
1475 : {
1476 : TDS_DATETIME dt;
1477 :
1478 3694 : if (desttype == SYBDATETIME4) {
1479 0 : cr->dt4 = *dt4;
1480 0 : return sizeof(TDS_DATETIME4);
1481 : }
1482 :
1483 : /* convert to DATETIME and use tds_convert_datetime */
1484 3694 : dt.dtdays = dt4->days;
1485 3694 : dt.dttime = dt4->minutes * (60u * 300u);
1486 3694 : return tds_convert_datetime(tds_ctx, &dt, desttype, 0, cr);
1487 : }
1488 :
1489 : static TDS_INT
1490 3200 : tds_convert_time(const TDSCONTEXT * tds_ctx, const TDS_TIME * time, int desttype, CONV_RESULT * cr)
1491 : {
1492 : TDS_DATETIMEALL dta;
1493 :
1494 3200 : if (desttype == SYBTIME) {
1495 10 : cr->time = *time;
1496 10 : return sizeof(TDS_TIME);
1497 : }
1498 :
1499 : /* convert to DATETIMEALL and use tds_convert_datetimeall */
1500 3190 : memset(&dta, 0, sizeof(dta));
1501 3190 : dta.has_time = 1;
1502 3190 : dta.time_prec = 3;
1503 3190 : dta.time = (*time * UINT64_C(100000) + 2) / 3;
1504 3190 : dta.time = (*time * UINT64_C(20) + 3) / 6 * 10000;
1505 3190 : return tds_convert_datetimeall(tds_ctx, SYBMSTIME, &dta, desttype, cr);
1506 : }
1507 :
1508 : static TDS_INT
1509 3220 : tds_convert_date(const TDSCONTEXT * tds_ctx, const TDS_DATE * date, int desttype, CONV_RESULT * cr)
1510 : {
1511 : TDS_DATETIMEALL dta;
1512 :
1513 3220 : if (desttype == SYBDATE) {
1514 10 : cr->date = *date;
1515 10 : return sizeof(TDS_DATE);
1516 : }
1517 :
1518 : /* convert to DATETIMEALL and use tds_convert_datetimeall */
1519 3210 : memset(&dta, 0, sizeof(dta));
1520 3210 : dta.has_date = 1;
1521 3210 : dta.date = *date;
1522 3210 : return tds_convert_datetimeall(tds_ctx, SYBMSDATE, &dta, desttype, cr);
1523 : }
1524 :
1525 : static TDS_INT
1526 2740 : tds_convert_bigtime(const TDSCONTEXT * tds_ctx, const TDS_BIGTIME * bigtime, int desttype, CONV_RESULT * cr)
1527 : {
1528 : TDS_DATETIMEALL dta;
1529 :
1530 2740 : if (desttype == SYB5BIGTIME) {
1531 0 : cr->bigtime = *bigtime;
1532 0 : return sizeof(TDS_BIGTIME);
1533 : }
1534 :
1535 : /* convert to DATETIMEALL and use tds_convert_datetimeall */
1536 2740 : memset(&dta, 0, sizeof(dta));
1537 2740 : dta.time_prec = 6;
1538 2740 : dta.has_time = 1;
1539 2740 : dta.time = *bigtime % (UINT64_C(86400) * 1000000u) * 10u;
1540 2740 : return tds_convert_datetimeall(tds_ctx, SYBMSTIME, &dta, desttype, cr);
1541 : }
1542 :
1543 : static TDS_INT
1544 2770 : tds_convert_bigdatetime(const TDSCONTEXT * tds_ctx, const TDS_BIGDATETIME * bigdatetime, int desttype, CONV_RESULT * cr)
1545 : {
1546 : TDS_DATETIMEALL dta;
1547 : TDS_UINT8 bdt;
1548 :
1549 2770 : if (desttype == SYB5BIGDATETIME) {
1550 0 : cr->bigdatetime = *bigdatetime;
1551 : return sizeof(TDS_BIGDATETIME);
1552 : }
1553 :
1554 : /* convert to DATETIMEALL and use tds_convert_datetimeall */
1555 2770 : bdt = *bigdatetime;
1556 2770 : memset(&dta, 0, sizeof(dta));
1557 2770 : dta.time_prec = 6;
1558 2770 : dta.has_time = 1;
1559 2770 : dta.time = bdt % (UINT64_C(86400) * 1000000u) * 10u;
1560 2770 : bdt /= UINT64_C(86400) * 1000000u;
1561 2770 : dta.has_date = 1;
1562 2770 : dta.date = bdt - BIGDATETIME_BIAS;
1563 2770 : return tds_convert_datetimeall(tds_ctx, SYBMSDATETIME2, &dta, desttype, cr);
1564 : }
1565 :
1566 :
1567 : static TDS_INT
1568 65970 : tds_convert_real(const TDS_REAL* src, int desttype, CONV_RESULT * cr)
1569 : {
1570 : TDS_REAL the_value;
1571 :
1572 : /* FIXME how big should be this buffer ?? */
1573 : char tmp_str[128];
1574 : TDS_INT mymoney4;
1575 : TDS_INT8 mymoney;
1576 :
1577 65970 : the_value = *src;
1578 :
1579 65970 : switch (desttype) {
1580 258 : case TDS_CONVERT_CHAR:
1581 : case CASE_ALL_CHAR:
1582 258 : sprintf(tmp_str, "%.9g", the_value);
1583 258 : return string_to_result(desttype, tmp_str, cr);
1584 : break;
1585 4470 : case SYBSINT1:
1586 4470 : if (!IS_SINT1(the_value))
1587 : return TDS_CONVERT_OVERFLOW;
1588 430 : cr->ti = (TDS_TINYINT) the_value;
1589 : return sizeof(TDS_TINYINT);
1590 : break;
1591 8940 : case SYBINT1:
1592 : case SYBUINT1:
1593 8940 : if (!IS_TINYINT(the_value))
1594 : return TDS_CONVERT_OVERFLOW;
1595 860 : cr->ti = (TDS_TINYINT) the_value;
1596 : return sizeof(TDS_TINYINT);
1597 : break;
1598 4520 : case SYBINT2:
1599 4520 : if (!IS_SMALLINT(the_value))
1600 : return TDS_CONVERT_OVERFLOW;
1601 1370 : cr->si = (TDS_SMALLINT) the_value;
1602 : return sizeof(TDS_SMALLINT);
1603 : break;
1604 4470 : case SYBUINT2:
1605 4470 : if (!IS_USMALLINT(the_value))
1606 : return TDS_CONVERT_OVERFLOW;
1607 900 : cr->usi = (TDS_USMALLINT) the_value;
1608 : return sizeof(TDS_USMALLINT);
1609 : break;
1610 4520 : case SYBINT4:
1611 4520 : if (!FLOAT_IS_INT(the_value))
1612 : return TDS_CONVERT_OVERFLOW;
1613 2640 : cr->i = (TDS_INT) the_value;
1614 : return sizeof(TDS_INT);
1615 : break;
1616 4470 : case SYBUINT4:
1617 4470 : if (!FLOAT_IS_UINT(the_value))
1618 : return TDS_CONVERT_OVERFLOW;
1619 1530 : cr->ui = (TDS_UINT) the_value;
1620 : return sizeof(TDS_UINT);
1621 : break;
1622 4470 : case SYBINT8:
1623 4470 : if (!FLOAT_IS_INT8(the_value))
1624 : return TDS_CONVERT_OVERFLOW;
1625 3850 : cr->bi = (TDS_INT8) the_value;
1626 : return sizeof(TDS_INT8);
1627 : break;
1628 4470 : case SYBUINT8:
1629 4470 : if (!FLOAT_IS_UINT8(the_value))
1630 : return TDS_CONVERT_OVERFLOW;
1631 2160 : cr->ubi = (TDS_UINT8) the_value;
1632 : return sizeof(TDS_UINT8);
1633 : break;
1634 70 : case SYBBIT:
1635 : case SYBBITN:
1636 70 : cr->ti = the_value ? 1 : 0;
1637 : return sizeof(TDS_TINYINT);
1638 : break;
1639 :
1640 4740 : case SYBFLT8:
1641 4740 : cr->f = the_value;
1642 : return sizeof(TDS_FLOAT);
1643 : break;
1644 :
1645 4622 : case SYBREAL:
1646 4622 : cr->r = the_value;
1647 : return sizeof(TDS_REAL);
1648 : break;
1649 :
1650 4420 : case SYBMONEY:
1651 4420 : if (the_value > (TDS_REAL) (TDS_INT8_MAX / 10000) || the_value < (TDS_REAL) (TDS_INT8_MIN / 10000))
1652 : return TDS_CONVERT_OVERFLOW;
1653 3380 : mymoney = (TDS_INT8) (the_value * 10000);
1654 3380 : cr->m.mny = mymoney;
1655 : return sizeof(TDS_MONEY);
1656 : break;
1657 :
1658 4420 : case SYBMONEY4:
1659 4420 : if (the_value > (TDS_REAL) (TDS_INT_MAX / 10000) || the_value < (TDS_REAL) (TDS_INT_MIN / 10000))
1660 : return TDS_CONVERT_OVERFLOW;
1661 2120 : mymoney4 = (TDS_INT) (the_value * 10000);
1662 2120 : cr->m4.mny4 = mymoney4;
1663 : return sizeof(TDS_MONEY4);
1664 : break;
1665 4480 : case SYBNUMERIC:
1666 : case SYBDECIMAL:
1667 4480 : sprintf(tmp_str, "%.*f", cr->n.scale, the_value);
1668 4480 : return stringz_to_numeric(tmp_str, cr);
1669 : break;
1670 : /* not allowed */
1671 : case SYBUNIQUE:
1672 : case SYBDATETIME4:
1673 : case SYBDATETIME:
1674 : case SYBDATETIMN:
1675 : default:
1676 : break;
1677 : }
1678 : return TDS_CONVERT_NOAVAIL;
1679 : }
1680 :
1681 : /*
1682 : * TODO: emit SYBECLPR errors: "Data conversion resulted in loss of precision".
1683 : * There are many places where this would be correct to do, but the test is tedious
1684 : * (convert e.g. 1.5 -> SYBINT and test if output == input) and we don't have a good,
1685 : * API-independent alternative to tds_client_msg(). Postponed until then.
1686 : */
1687 : static TDS_INT
1688 66082 : tds_convert_flt8(const TDS_FLOAT* src, int desttype, CONV_RESULT * cr)
1689 : {
1690 : TDS_FLOAT the_value;
1691 : char tmp_str[25];
1692 :
1693 66082 : memcpy(&the_value, src, 8);
1694 66082 : switch (desttype) {
1695 306 : case TDS_CONVERT_CHAR:
1696 : case CASE_ALL_CHAR:
1697 306 : sprintf(tmp_str, "%.17g", the_value);
1698 306 : return string_to_result(desttype, tmp_str, cr);
1699 : break;
1700 4470 : case SYBSINT1:
1701 4470 : if (!IS_SINT1(the_value))
1702 : return TDS_CONVERT_OVERFLOW;
1703 430 : cr->ti = (TDS_TINYINT) the_value;
1704 430 : return sizeof(TDS_TINYINT);
1705 : break;
1706 8940 : case SYBINT1:
1707 : case SYBUINT1:
1708 8940 : if (!IS_TINYINT(the_value))
1709 : return TDS_CONVERT_OVERFLOW;
1710 860 : cr->ti = (TDS_TINYINT) the_value;
1711 860 : return sizeof(TDS_TINYINT);
1712 : break;
1713 4520 : case SYBINT2:
1714 4520 : if (!IS_SMALLINT(the_value))
1715 : return TDS_CONVERT_OVERFLOW;
1716 1370 : cr->si = (TDS_SMALLINT) the_value;
1717 1370 : return sizeof(TDS_SMALLINT);
1718 : break;
1719 4470 : case SYBUINT2:
1720 4470 : if (!IS_USMALLINT(the_value))
1721 : return TDS_CONVERT_OVERFLOW;
1722 900 : cr->usi = (TDS_USMALLINT) the_value;
1723 900 : return sizeof(TDS_USMALLINT);
1724 : break;
1725 4520 : case SYBINT4:
1726 4520 : if (!FLOAT_IS_INT(the_value))
1727 : return TDS_CONVERT_OVERFLOW;
1728 2630 : cr->i = (TDS_INT) the_value;
1729 2630 : return sizeof(TDS_INT);
1730 : break;
1731 4470 : case SYBUINT4:
1732 4470 : if (!FLOAT_IS_UINT(the_value))
1733 : return TDS_CONVERT_OVERFLOW;
1734 1530 : cr->ui = (TDS_UINT) the_value;
1735 1530 : return sizeof(TDS_UINT);
1736 : break;
1737 4470 : case SYBINT8:
1738 4470 : if (!FLOAT_IS_INT8(the_value))
1739 : return TDS_CONVERT_OVERFLOW;
1740 3850 : cr->bi = (TDS_INT8) the_value;
1741 3850 : return sizeof(TDS_INT8);
1742 : break;
1743 4470 : case SYBUINT8:
1744 4470 : if (!FLOAT_IS_UINT8(the_value))
1745 : return TDS_CONVERT_OVERFLOW;
1746 2160 : cr->ubi = (TDS_UINT8) the_value;
1747 2160 : return sizeof(TDS_UINT8);
1748 : break;
1749 70 : case SYBBIT:
1750 : case SYBBITN:
1751 70 : cr->ti = the_value ? 1 : 0;
1752 70 : return sizeof(TDS_TINYINT);
1753 : break;
1754 :
1755 4420 : case SYBMONEY:
1756 4420 : if (the_value > (TDS_FLOAT) (TDS_INT8_MAX / 10000) || the_value < (TDS_FLOAT) (TDS_INT8_MIN / 10000))
1757 : return TDS_CONVERT_OVERFLOW;
1758 3380 : cr->m.mny = (TDS_INT8) (the_value * 10000);
1759 :
1760 3380 : return sizeof(TDS_MONEY);
1761 : break;
1762 4420 : case SYBMONEY4:
1763 4420 : if (the_value > (TDS_FLOAT) (TDS_INT_MAX / 10000) || the_value < (TDS_FLOAT) (TDS_INT_MIN / 10000))
1764 : return TDS_CONVERT_OVERFLOW;
1765 2120 : cr->m4.mny4 = (TDS_INT) (the_value * 10000);
1766 2120 : return sizeof(TDS_MONEY4);
1767 : break;
1768 4740 : case SYBREAL:
1769 : /* TODO check overflow */
1770 4740 : cr->r = (TDS_REAL)the_value;
1771 4740 : return sizeof(TDS_REAL);
1772 : break;
1773 4676 : case SYBFLT8:
1774 4676 : cr->f = the_value;
1775 4676 : return sizeof(TDS_FLOAT);
1776 : break;
1777 4490 : case SYBNUMERIC:
1778 : case SYBDECIMAL:
1779 4490 : sprintf(tmp_str, "%.*f", cr->n.scale, the_value);
1780 4490 : return stringz_to_numeric(tmp_str, cr);
1781 : break;
1782 : /* not allowed */
1783 : case SYBUNIQUE:
1784 : case SYBDATETIME4:
1785 : case SYBDATETIME:
1786 : case SYBDATETIMN:
1787 : default:
1788 : break;
1789 : }
1790 : return TDS_CONVERT_NOAVAIL;
1791 : }
1792 :
1793 : static TDS_INT
1794 3134 : tds_convert_unique(const TDS_CHAR * src, int desttype, CONV_RESULT * cr)
1795 : {
1796 : /*
1797 : * raw data is equivalent to structure and always aligned,
1798 : * so this cast is portable
1799 : */
1800 3134 : const TDS_UNIQUE *u = (const TDS_UNIQUE *) src;
1801 : char buf[37];
1802 :
1803 3134 : switch (desttype) {
1804 206 : case TDS_CONVERT_CHAR:
1805 : case CASE_ALL_CHAR:
1806 2266 : sprintf(buf, "%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",
1807 618 : (int) u->Data1, (int) u->Data2, (int) u->Data3,
1808 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]);
1809 206 : return string_to_result(desttype, buf, cr);
1810 : break;
1811 68 : case SYBUNIQUE:
1812 : /*
1813 : * Here we can copy raw to structure because we adjust
1814 : * byte order in tds_swap_datatype
1815 : */
1816 68 : memcpy(&(cr->u), src, sizeof(TDS_UNIQUE));
1817 68 : return sizeof(TDS_UNIQUE);
1818 : break;
1819 : /* do not warn for not convertible types */
1820 : case SYBBIT:
1821 : case SYBBITN:
1822 : case SYBINT1:
1823 : case SYBSINT1:
1824 : case SYBUINT1:
1825 : case SYBINT2:
1826 : case SYBUINT2:
1827 : case SYBINT4:
1828 : case SYBUINT4:
1829 : case SYBINT8:
1830 : case SYBUINT8:
1831 : case SYBMONEY4:
1832 : case SYBMONEY:
1833 : case SYBDATETIME4:
1834 : case SYBDATETIME:
1835 : case SYBDATETIMN:
1836 : case SYBREAL:
1837 : case SYBFLT8:
1838 : default:
1839 : break;
1840 : }
1841 : return TDS_CONVERT_NOAVAIL;
1842 : }
1843 :
1844 : static TDS_INT
1845 16208 : tds_convert_to_binary(int srctype, const TDS_CHAR * src, TDS_UINT srclen, int desttype, CONV_RESULT * cr)
1846 : {
1847 : size_t len;
1848 : TDS_CHAR *ib;
1849 :
1850 16208 : switch (srctype) {
1851 416 : case CASE_ALL_BINARY:
1852 416 : len = srclen;
1853 416 : break;
1854 : case SYBBIT:
1855 : case SYBBITN:
1856 : case SYBINT1:
1857 : case SYBSINT1:
1858 : case SYBUINT1:
1859 : len = 1;
1860 : break;
1861 130 : case SYBINT2:
1862 : case SYBUINT2:
1863 130 : len = 2;
1864 130 : break;
1865 170 : case SYBINT4:
1866 : case SYBUINT4:
1867 170 : len = 4;
1868 170 : break;
1869 150 : case SYBINT8:
1870 : case SYBUINT8:
1871 150 : len = sizeof(TDS_INT8);
1872 150 : break;
1873 60 : case SYBMONEY4:
1874 60 : len = sizeof(TDS_MONEY4);
1875 60 : break;
1876 60 : case SYBMONEY:
1877 60 : len = sizeof(TDS_MONEY);
1878 60 : break;
1879 120 : case SYBNUMERIC:
1880 : case SYBDECIMAL:
1881 120 : len = sizeof(TDS_NUMERIC);
1882 120 : break;
1883 60 : case SYBREAL:
1884 60 : len = sizeof(TDS_REAL);
1885 60 : break;
1886 60 : case SYBFLT8:
1887 60 : len = sizeof(TDS_FLOAT);
1888 60 : break;
1889 60 : case SYBDATETIME:
1890 60 : len = sizeof(TDS_DATETIME);
1891 60 : break;
1892 60 : case SYBDATETIME4:
1893 60 : len = sizeof(TDS_DATETIME4);
1894 60 : break;
1895 60 : case SYBTIME:
1896 60 : len = sizeof(TDS_TIME);
1897 60 : break;
1898 60 : case SYBDATE:
1899 60 : len = sizeof(TDS_DATE);
1900 60 : break;
1901 240 : case SYBMSTIME:
1902 : case SYBMSDATE:
1903 : case SYBMSDATETIME2:
1904 : case SYBMSDATETIMEOFFSET:
1905 240 : len = sizeof(TDS_DATETIMEALL);
1906 240 : break;
1907 60 : case SYB5BIGTIME:
1908 60 : len = sizeof(TDS_BIGTIME);
1909 60 : break;
1910 60 : case SYB5BIGDATETIME:
1911 60 : len = sizeof(TDS_BIGDATETIME);
1912 60 : break;
1913 60 : case SYBUNIQUE:
1914 60 : len = sizeof(TDS_UNIQUE);
1915 60 : break;
1916 992 : case CASE_ALL_CHAR:
1917 :
1918 : /* skip leading "0x" or "0X" */
1919 992 : if (srclen >= 2 && src[0] == '0' && (src[1] == 'x' || src[1] == 'X')) {
1920 230 : src += 2;
1921 230 : srclen -= 2;
1922 : }
1923 :
1924 : /* ignore trailing blanks and nulls */
1925 : /* FIXME is good to ignore null ?? */
1926 1048 : while (srclen > 0 && (src[srclen - 1] == ' ' || src[srclen - 1] == '\0'))
1927 : --srclen;
1928 :
1929 : /* a binary string output will be half the length of */
1930 : /* the string which represents it in hexadecimal */
1931 :
1932 992 : ib = cr->cb.ib;
1933 992 : if (desttype != TDS_CONVERT_BINARY) {
1934 : TDS_INT destlen;
1935 :
1936 778 : cr->ib = tds_new(TDS_CHAR, (srclen + 2u) / 2u);
1937 778 : test_alloc(cr->ib);
1938 778 : ib = cr->ib;
1939 778 : destlen = tds_char2hex(ib, 0xffffffffu, src, srclen);
1940 778 : if (destlen < 0)
1941 10 : TDS_ZERO_FREE(cr->ib);
1942 : return destlen;
1943 : }
1944 214 : return tds_char2hex(ib, cr->cb.len, src, srclen);
1945 :
1946 : default:
1947 : return TDS_CONVERT_NOAVAIL;
1948 : }
1949 2196 : return binary_to_result(desttype, src, len, cr);
1950 : }
1951 :
1952 : /**
1953 : * tds_convert
1954 : * convert a type to another.
1955 : * If you convert to SYBDECIMAL/SYBNUMERIC you MUST initialize precision
1956 : * and scale of cr.
1957 : * Do not expect strings to be zero terminated. Databases support zero inside
1958 : * string. Using strlen may result on data loss or even a segmentation fault.
1959 : * Instead, use memcpy to copy destination using length returned.
1960 : * This function does not handle NULL, srclen should be >0. Client libraries handle NULLs each in their own way.
1961 : * @param tds_ctx context (used in conversion to data and to return messages)
1962 : * @param srctype type of source
1963 : * @param src pointer to source data to convert
1964 : * @param srclen length in bytes of source (not counting terminator or strings)
1965 : * @param desttype type of destination
1966 : * @param cr structure to hold result
1967 : * @return length of result or TDS_CONVERT_* failure code on failure. All TDS_CONVERT_* constants are <0.
1968 : */
1969 : TDS_INT
1970 2592430 : tds_convert(const TDSCONTEXT *tds_ctx, int srctype, const void *src, TDS_UINT srclen, int desttype, CONV_RESULT *cr)
1971 : {
1972 2592430 : TDS_INT length = 0;
1973 :
1974 2592430 : assert(srclen >= 0 && srclen <= 2147483647u);
1975 :
1976 2592430 : if (srctype == SYBVARIANT) {
1977 2568 : const TDSVARIANT *v = (const TDSVARIANT*) src;
1978 2568 : srctype = v->type;
1979 2568 : src = v->data;
1980 2568 : srclen = v->data_len;
1981 : }
1982 :
1983 2592430 : switch (desttype) {
1984 16208 : case CASE_ALL_BINARY:
1985 16208 : return tds_convert_to_binary(srctype, src, srclen, desttype, cr);
1986 : }
1987 :
1988 2576222 : switch (srctype) {
1989 1424124 : case CASE_ALL_CHAR:
1990 1424124 : length = tds_convert_char(src, srclen, desttype, cr);
1991 1424124 : break;
1992 35770 : case SYBMONEY4:
1993 35770 : length = tds_convert_money4(tds_ctx, (const TDS_MONEY4 *) src, desttype, cr);
1994 35770 : break;
1995 54418 : case SYBMONEY:
1996 54418 : length = tds_convert_money(tds_ctx, (const TDS_MONEY *) src, desttype, cr);
1997 54418 : break;
1998 75164 : case SYBNUMERIC:
1999 : case SYBDECIMAL:
2000 75164 : length = tds_convert_numeric((const TDS_NUMERIC *) src, desttype, cr);
2001 75164 : break;
2002 6606 : case SYBBIT:
2003 : case SYBBITN:
2004 13212 : length = tds_convert_bit(src, desttype, cr);
2005 6606 : break;
2006 8424 : case SYBSINT1:
2007 16848 : length = tds_convert_int1((const int8_t *) src, desttype, cr);
2008 8424 : break;
2009 21788 : case SYBINT1:
2010 : case SYBUINT1:
2011 43576 : length = tds_convert_uint1((const TDS_TINYINT *) src, desttype, cr);
2012 21788 : break;
2013 27394 : case SYBINT2:
2014 54788 : length = tds_convert_int2((const TDS_SMALLINT *) src, desttype, cr);
2015 27394 : break;
2016 16562 : case SYBUINT2:
2017 33124 : length = tds_convert_uint2((const TDS_USMALLINT *) src, desttype, cr);
2018 16562 : break;
2019 51154 : case SYBINT4:
2020 102308 : length = tds_convert_int4((const TDS_INT *) src, desttype, cr);
2021 51154 : break;
2022 27366 : case SYBUINT4:
2023 54732 : length = tds_convert_uint4((const TDS_UINT *) src, desttype, cr);
2024 27366 : break;
2025 61284 : case SYBINT8:
2026 61284 : length = tds_convert_int8((const TDS_INT8 *) src, desttype, cr);
2027 61284 : break;
2028 35282 : case SYBUINT8:
2029 35282 : length = tds_convert_uint8((const TDS_UINT8 *) src, desttype, cr);
2030 35282 : break;
2031 65970 : case SYBREAL:
2032 65970 : length = tds_convert_real((const TDS_REAL *) src, desttype, cr);
2033 65970 : break;
2034 66082 : case SYBFLT8:
2035 66082 : length = tds_convert_flt8((const TDS_FLOAT *) src, desttype, cr);
2036 66082 : break;
2037 12416 : case SYBMSTIME:
2038 : case SYBMSDATE:
2039 : case SYBMSDATETIME2:
2040 : case SYBMSDATETIMEOFFSET:
2041 12416 : length = tds_convert_datetimeall(tds_ctx, srctype, (const TDS_DATETIMEALL *) src, desttype, cr);
2042 12416 : break;
2043 4440 : case SYBDATETIME:
2044 4440 : length = tds_convert_datetime(tds_ctx, (const TDS_DATETIME* ) src, desttype, 3, cr);
2045 4440 : break;
2046 3694 : case SYBDATETIME4:
2047 3694 : length = tds_convert_datetime4(tds_ctx, (const TDS_DATETIME4* ) src, desttype, cr);
2048 3694 : break;
2049 3200 : case SYBTIME:
2050 3200 : length = tds_convert_time(tds_ctx, (const TDS_TIME *) src, desttype, cr);
2051 3200 : break;
2052 3220 : case SYBDATE:
2053 3220 : length = tds_convert_date(tds_ctx, (const TDS_DATE *) src, desttype, cr);
2054 3220 : break;
2055 2740 : case SYB5BIGTIME:
2056 2740 : length = tds_convert_bigtime(tds_ctx, (const TDS_BIGTIME *) src, desttype, cr);
2057 2740 : break;
2058 2770 : case SYB5BIGDATETIME:
2059 2770 : length = tds_convert_bigdatetime(tds_ctx, (const TDS_BIGDATETIME *) src, desttype, cr);
2060 2770 : break;
2061 18330 : case CASE_ALL_BINARY:
2062 18330 : length = tds_convert_binary((const TDS_UCHAR *) src, srclen, desttype, cr);
2063 18330 : break;
2064 3134 : case SYBUNIQUE:
2065 3134 : length = tds_convert_unique(src, desttype, cr);
2066 3134 : break;
2067 : case SYBNVARCHAR:
2068 : case SYBNTEXT:
2069 : case SYBMSTABLE:
2070 : default:
2071 : return TDS_CONVERT_NOAVAIL;
2072 : break;
2073 : }
2074 :
2075 : /* fix MONEY case */
2076 : #if !defined(WORDS_BIGENDIAN)
2077 2031332 : if (length > 0 && desttype == SYBMONEY) {
2078 111680 : cr->m.mny = ((TDS_UINT8) cr->m.mny) >> 32 | (cr->m.mny << 32);
2079 : }
2080 : #endif
2081 : return length;
2082 : }
2083 :
2084 : static int
2085 2868 : string_to_datetime(const char *instr, TDS_UINT len, int desttype, CONV_RESULT * cr)
2086 : {
2087 : enum states {
2088 : GOING_IN_BLIND,
2089 : PUT_NUMERIC_IN_CONTEXT,
2090 : DOING_ALPHABETIC_DATE
2091 : };
2092 :
2093 : char *in;
2094 : char *tok;
2095 : char *lasts;
2096 : char last_token[32];
2097 2868 : int monthdone = 0;
2098 2868 : int yeardone = 0;
2099 2868 : int mdaydone = 0;
2100 :
2101 : struct tds_time t;
2102 :
2103 : unsigned int dt_time;
2104 : TDS_INT dt_days;
2105 : int i;
2106 :
2107 : enum states current_state;
2108 :
2109 2868 : memset(&t, '\0', sizeof(t));
2110 2868 : t.tm_mday = 1;
2111 :
2112 2868 : in = tds_strndup(instr, len);
2113 2868 : test_alloc(in);
2114 :
2115 2868 : tok = strtok_r(in, " ,", &lasts);
2116 :
2117 2868 : current_state = GOING_IN_BLIND;
2118 :
2119 11082 : while (tok != NULL) {
2120 :
2121 5356 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: current_state = %d\n", current_state);
2122 5356 : switch (current_state) {
2123 3676 : case GOING_IN_BLIND:
2124 : /* If we have no idea of current context, then if we have */
2125 : /* encountered a purely alphabetic string, it MUST be an */
2126 : /* alphabetic month name or prefix... */
2127 :
2128 3676 : if (is_alphabetic(tok)) {
2129 830 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: is_alphabetic\n");
2130 830 : if (store_monthname(tok, &t) >= 0) {
2131 820 : monthdone++;
2132 820 : current_state = DOING_ALPHABETIC_DATE;
2133 : } else {
2134 : goto string_garbled;
2135 : }
2136 : }
2137 :
2138 : /* ...whereas if it is numeric, it could be a number of */
2139 : /* things... */
2140 :
2141 2846 : else if (is_numeric(tok)) {
2142 40 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: is_numeric\n");
2143 40 : switch (strlen(tok)) {
2144 : /* in this context a 4 character numeric can */
2145 : /* ONLY be the year part of an alphabetic date */
2146 :
2147 0 : case 4:
2148 0 : store_year(atoi(tok), &t);
2149 0 : yeardone++;
2150 0 : current_state = DOING_ALPHABETIC_DATE;
2151 0 : break;
2152 :
2153 : /* whereas these could be the hour part of a */
2154 : /* time specification ( 4 PM ) or the leading */
2155 : /* day part of an alphabetic date ( 15 Jan ) */
2156 :
2157 20 : case 2:
2158 : case 1:
2159 20 : strcpy(last_token, tok);
2160 20 : current_state = PUT_NUMERIC_IN_CONTEXT;
2161 20 : break;
2162 :
2163 : /* this must be a [YY]YYMMDD date */
2164 :
2165 20 : case 6:
2166 : case 8:
2167 20 : if (store_yymmdd_date(tok, &t))
2168 : current_state = GOING_IN_BLIND;
2169 : else
2170 : goto string_garbled;
2171 : break;
2172 :
2173 : /* anything else is nonsense... */
2174 :
2175 : default:
2176 : goto string_garbled;
2177 : break;
2178 : }
2179 : }
2180 :
2181 : /* it could be [M]M/[D]D/[YY]YY format */
2182 :
2183 2806 : else if (is_numeric_dateformat(tok)) {
2184 1018 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: is_numeric_dateformat\n");
2185 1018 : store_numeric_date(tok, &t);
2186 1018 : current_state = GOING_IN_BLIND;
2187 1788 : } else if (is_dd_mon_yyyy(tok)) {
2188 10 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: is_dd_mon_yyyy\n");
2189 10 : store_dd_mon_yyy_date(tok, &t);
2190 10 : current_state = GOING_IN_BLIND;
2191 1778 : } else if (is_timeformat(tok)) {
2192 1778 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: is_timeformat\n");
2193 1778 : store_time(tok, &t);
2194 1778 : current_state = GOING_IN_BLIND;
2195 : } else {
2196 0 : tdsdump_log(TDS_DBG_INFO1, "string_to_datetime: string_garbled\n");
2197 : goto string_garbled;
2198 : }
2199 :
2200 : break; /* end of GOING_IN_BLIND */
2201 :
2202 1660 : case DOING_ALPHABETIC_DATE:
2203 :
2204 1660 : if (is_alphabetic(tok)) {
2205 0 : if (!monthdone && store_monthname(tok, &t) >= 0) {
2206 0 : monthdone++;
2207 0 : if (monthdone && yeardone && mdaydone)
2208 : current_state = GOING_IN_BLIND;
2209 : else
2210 0 : current_state = DOING_ALPHABETIC_DATE;
2211 : } else {
2212 : goto string_garbled;
2213 : }
2214 1660 : } else if (is_numeric(tok)) {
2215 1660 : if (mdaydone && yeardone)
2216 : goto string_garbled;
2217 : else
2218 1660 : switch (strlen(tok)) {
2219 840 : case 4:
2220 1680 : store_year(atoi(tok), &t);
2221 840 : yeardone++;
2222 840 : if (monthdone && yeardone && mdaydone)
2223 : current_state = GOING_IN_BLIND;
2224 : else
2225 0 : current_state = DOING_ALPHABETIC_DATE;
2226 : break;
2227 :
2228 820 : case 2:
2229 : case 1:
2230 820 : if (!mdaydone) {
2231 1640 : store_mday(tok, &t);
2232 :
2233 820 : mdaydone++;
2234 820 : if (monthdone && yeardone && mdaydone)
2235 : current_state = GOING_IN_BLIND;
2236 : else
2237 820 : current_state = DOING_ALPHABETIC_DATE;
2238 : } else {
2239 0 : store_year(atoi(tok), &t);
2240 0 : yeardone++;
2241 0 : if (monthdone && yeardone && mdaydone)
2242 : current_state = GOING_IN_BLIND;
2243 : else
2244 0 : current_state = DOING_ALPHABETIC_DATE;
2245 : }
2246 : break;
2247 :
2248 : default:
2249 : goto string_garbled;
2250 : }
2251 : } else {
2252 : goto string_garbled;
2253 : }
2254 :
2255 : break; /* end of DOING_ALPHABETIC_DATE */
2256 :
2257 20 : case PUT_NUMERIC_IN_CONTEXT:
2258 :
2259 20 : if (is_alphabetic(tok)) {
2260 20 : if (store_monthname(tok, &t) >= 0) {
2261 40 : store_mday(last_token, &t);
2262 20 : mdaydone++;
2263 20 : monthdone++;
2264 20 : if (monthdone && yeardone && mdaydone)
2265 : current_state = GOING_IN_BLIND;
2266 : else
2267 20 : current_state = DOING_ALPHABETIC_DATE;
2268 0 : } else if (is_ampm(tok)) {
2269 0 : store_hour(last_token, tok, &t);
2270 0 : current_state = GOING_IN_BLIND;
2271 : } else {
2272 : goto string_garbled;
2273 : }
2274 0 : } else if (is_numeric(tok)) {
2275 0 : switch (strlen(tok)) {
2276 : case 4:
2277 : case 2:
2278 0 : store_mday(last_token, &t);
2279 0 : mdaydone++;
2280 0 : store_year(atoi(tok), &t);
2281 0 : yeardone++;
2282 :
2283 0 : if (monthdone && yeardone && mdaydone)
2284 : current_state = GOING_IN_BLIND;
2285 : else
2286 0 : current_state = DOING_ALPHABETIC_DATE;
2287 : break;
2288 :
2289 : default:
2290 : goto string_garbled;
2291 : }
2292 : } else {
2293 : goto string_garbled;
2294 : }
2295 :
2296 : break; /* end of PUT_NUMERIC_IN_CONTEXT */
2297 : }
2298 :
2299 5346 : tok = strtok_r(NULL, " ,", &lasts);
2300 : }
2301 :
2302 2858 : i = (t.tm_mon - 13) / 12;
2303 8574 : dt_days = 1461 * (t.tm_year + 1900 + i) / 4 +
2304 5716 : (367 * (t.tm_mon - 1 - 12 * i)) / 12 - (3 * ((t.tm_year + 2000 + i) / 100)) / 4 + t.tm_mday - 693932;
2305 :
2306 2858 : free(in);
2307 :
2308 2858 : if (desttype == SYBDATE) {
2309 170 : cr->date = dt_days;
2310 170 : return sizeof(TDS_DATE);
2311 : }
2312 2688 : dt_time = t.tm_hour * 60 + t.tm_min;
2313 : /* TODO check for overflow */
2314 2688 : if (desttype == SYBDATETIME4) {
2315 640 : cr->dt4.days = dt_days;
2316 640 : cr->dt4.minutes = dt_time;
2317 640 : return sizeof(TDS_DATETIME4);
2318 : }
2319 2048 : dt_time = dt_time * 60 + t.tm_sec;
2320 2048 : if (desttype == SYBDATETIME) {
2321 770 : cr->dt.dtdays = dt_days;
2322 770 : cr->dt.dttime = dt_time * 300 + (t.tm_ns / 1000000u * 300 + 150) / 1000;
2323 770 : return sizeof(TDS_DATETIME);
2324 : }
2325 1278 : if (desttype == SYBTIME) {
2326 170 : cr->time = dt_time * 300 + (t.tm_ns / 1000000u * 300 + 150) / 1000;
2327 170 : return sizeof(TDS_TIME);
2328 : }
2329 1108 : if (desttype == SYB5BIGTIME) {
2330 90 : cr->bigtime = dt_time * UINT64_C(1000000) + t.tm_ns / 1000u;
2331 90 : return sizeof(TDS_BIGTIME);
2332 : }
2333 1018 : if (desttype == SYB5BIGDATETIME) {
2334 240 : cr->bigdatetime = (dt_days + BIGDATETIME_BIAS) * (UINT64_C(86400) * 1000000u)
2335 120 : + dt_time * UINT64_C(1000000) + t.tm_ns / 1000u;
2336 120 : return sizeof(TDS_BIGDATETIME);
2337 : }
2338 :
2339 898 : cr->dta.has_offset = 0;
2340 898 : cr->dta.offset = 0;
2341 898 : cr->dta.has_date = 1;
2342 898 : cr->dta.date = dt_days;
2343 898 : cr->dta.has_time = 1;
2344 898 : cr->dta.time_prec = 7; /* TODO correct value */
2345 898 : cr->dta.time = dt_time * UINT64_C(10000000) + t.tm_ns / 100u;
2346 898 : return sizeof(TDS_DATETIMEALL);
2347 :
2348 10 : string_garbled:
2349 10 : tdsdump_log(TDS_DBG_INFO1,
2350 : "error_handler: Attempt to convert data stopped by syntax error in source field \n");
2351 10 : free(in);
2352 10 : return TDS_CONVERT_SYNTAX;
2353 : }
2354 :
2355 : static int
2356 8970 : stringz_to_numeric(const char *instr, CONV_RESULT * cr)
2357 : {
2358 8970 : return string_to_numeric(instr, instr + strlen(instr), cr);
2359 : }
2360 :
2361 : static int
2362 116600 : string_to_numeric(const char *instr, const char *pend, CONV_RESULT * cr)
2363 : {
2364 : char mynumber[(MAXPRECISION + 7) / 8 * 8 + 8];
2365 :
2366 : /* num packaged 8 digit, see below for detail */
2367 : TDS_UINT packed_num[(MAXPRECISION + 7) / 8];
2368 :
2369 : char *ptr;
2370 :
2371 116600 : int i = 0;
2372 116600 : int j = 0;
2373 : int bytes;
2374 :
2375 : bool negative;
2376 : size_t digits, decimals;
2377 :
2378 : /* FIXME: application can pass invalid value for precision and scale ?? */
2379 116600 : if (cr->n.precision > MAXPRECISION)
2380 : return TDS_CONVERT_FAIL;
2381 :
2382 116600 : if (cr->n.precision == 0)
2383 0 : cr->n.precision = MAXPRECISION; /* assume max precision */
2384 :
2385 116600 : if (cr->n.scale > cr->n.precision)
2386 : return TDS_CONVERT_FAIL;
2387 :
2388 116600 : instr = parse_numeric(instr, pend, &negative, &digits, &decimals);
2389 116600 : if (!instr)
2390 : return TDS_CONVERT_SYNTAX;
2391 :
2392 116590 : cr->n.array[0] = negative ? 1 : 0;
2393 :
2394 : /* translate a number like 000ddddd.ffff to 00000000dddddffff00 */
2395 :
2396 : /*
2397 : * Having disposed of any sign and leading blanks,
2398 : * vet the digit string, counting places before and after
2399 : * the decimal point. Dispense with trailing blanks, if any.
2400 : */
2401 :
2402 116590 : ptr = mynumber;
2403 1049310 : for (i = 0; i < 8; ++i)
2404 932720 : *ptr++ = '0';
2405 :
2406 : /* too many digits, error */
2407 116590 : if (cr->n.precision - cr->n.scale < digits)
2408 : return TDS_CONVERT_OVERFLOW;
2409 :
2410 : /* copy digits before the dot */
2411 116300 : memcpy(ptr, instr, digits);
2412 116300 : ptr += digits;
2413 116300 : instr += digits + 1;
2414 :
2415 : /* copy digits after the dot */
2416 116300 : if (decimals > cr->n.scale)
2417 130 : decimals = cr->n.scale;
2418 116300 : memcpy(ptr, instr, decimals);
2419 :
2420 : /* fill up decimal digits */
2421 116300 : memset(ptr + decimals, '0', cr->n.scale - decimals);
2422 116300 : ptr += cr->n.scale;
2423 :
2424 : /*
2425 : * Packaged number explanation:
2426 : * We package 8 decimal digits in one number.
2427 : * Because 10^8 = 5^8 * 2^8 = 5^8 * 256, dividing 10^8 by 256 leaves no remainder.
2428 : * We can thus split it into bytes in an optimized way.
2429 : */
2430 :
2431 : /* transform to packaged one */
2432 116300 : j = -1;
2433 116300 : ptr -= 8;
2434 : do {
2435 183050 : TDS_UINT n = *ptr++;
2436 :
2437 1464400 : for (i = 1; i < 8; ++i)
2438 1281350 : n = n * 10u + *ptr++;
2439 : /* fix packet number and store */
2440 183050 : packed_num[++j] = n - ((TDS_UINT) '0' * 11111111lu);
2441 183050 : ptr -= 16;
2442 183050 : } while (ptr > mynumber);
2443 :
2444 116300 : memset(cr->n.array + 1, 0, sizeof(cr->n.array) - 1);
2445 116300 : bytes = tds_numeric_bytes_per_prec[cr->n.precision];
2446 232600 : while (j > 0 && !packed_num[j])
2447 0 : --j;
2448 :
2449 431110 : for (;;) {
2450 547410 : bool is_zero = true;
2451 547410 : TDS_UINT carry = 0;
2452 547410 : i = j;
2453 547410 : if (!packed_num[j])
2454 183050 : --j;
2455 : do {
2456 793050 : TDS_UINT tmp = packed_num[i];
2457 793050 : if (tmp)
2458 608740 : is_zero = false;
2459 :
2460 : /* divide for 256 for find another byte */
2461 : /*
2462 : * carry * (25u*25u*25u*25u) = carry * 10^8 / 256u
2463 : * using unsigned number is just an optimization
2464 : * compiler can translate division to a shift and remainder
2465 : * to a binary AND
2466 : */
2467 793050 : packed_num[i] = carry * (25u * 25u * 25u * 25u) + tmp / 256u;
2468 793050 : carry = tmp % 256u;
2469 793050 : } while(--i >= 0);
2470 547410 : if (is_zero)
2471 : break;
2472 : /*
2473 : * source number is limited to 38 decimal digit
2474 : * 10^39-1 < 2^128 (16 byte) so this cannot make an overflow
2475 : */
2476 431110 : cr->n.array[--bytes] = carry;
2477 : }
2478 : return sizeof(TDS_NUMERIC);
2479 : }
2480 :
2481 : static bool
2482 2806 : is_numeric_dateformat(const char *t)
2483 : {
2484 : const char *instr;
2485 2806 : int slashes = 0;
2486 2806 : int hyphens = 0;
2487 2806 : int periods = 0;
2488 2806 : int digits = 0;
2489 :
2490 16062 : for (instr = t; *instr; instr++) {
2491 15044 : if (!isdigit((unsigned char) *instr) && *instr != '/' && *instr != '-' && *instr != '.')
2492 : return false;
2493 :
2494 13256 : if (*instr == '/')
2495 0 : slashes++;
2496 13256 : else if (*instr == '-')
2497 2036 : hyphens++;
2498 11220 : else if (*instr == '.')
2499 0 : periods++;
2500 : else
2501 11220 : digits++;
2502 :
2503 : }
2504 1018 : if (hyphens + slashes + periods != 2)
2505 : return false;
2506 1018 : if (hyphens == 1 || slashes == 1 || periods == 1)
2507 : return false;
2508 :
2509 1018 : if (digits < 4 || digits > 8)
2510 : return false;
2511 :
2512 1018 : return true;
2513 :
2514 : }
2515 :
2516 : /* This function will check if an alphanumeric string */
2517 : /* holds a date in any of the following formats : */
2518 : /* DD-MON-YYYY */
2519 : /* DD-MON-YY */
2520 : /* DDMONYY */
2521 : /* DDMONYYYY */
2522 : static bool
2523 1788 : is_dd_mon_yyyy(char *t)
2524 : {
2525 : char *instr;
2526 : char month[4];
2527 :
2528 1788 : instr = t;
2529 :
2530 1788 : if (!isdigit((unsigned char) *instr))
2531 : return false;
2532 :
2533 1788 : instr++;
2534 :
2535 1788 : if (!isdigit((unsigned char) *instr))
2536 : return false;
2537 :
2538 1288 : instr++;
2539 :
2540 1288 : if (*instr == '-') {
2541 0 : instr++;
2542 :
2543 0 : strlcpy(month, instr, 4);
2544 :
2545 0 : if (!is_monthname(month))
2546 : return false;
2547 :
2548 0 : instr += 3;
2549 :
2550 0 : if (*instr != '-')
2551 : return false;
2552 :
2553 0 : instr++;
2554 0 : if (!isdigit((unsigned char) *instr))
2555 : return false;
2556 :
2557 0 : instr++;
2558 0 : if (!isdigit((unsigned char) *instr))
2559 : return false;
2560 :
2561 0 : instr++;
2562 :
2563 0 : if (*instr) {
2564 0 : if (!isdigit((unsigned char) *instr))
2565 : return false;
2566 :
2567 0 : instr++;
2568 0 : if (!isdigit((unsigned char) *instr))
2569 : return false;
2570 : }
2571 :
2572 : } else {
2573 :
2574 1288 : strlcpy(month, instr, 4);
2575 :
2576 1288 : if (!is_monthname(month))
2577 : return false;
2578 :
2579 10 : instr += 3;
2580 :
2581 10 : if (!isdigit((unsigned char) *instr))
2582 : return false;
2583 :
2584 10 : instr++;
2585 10 : if (!isdigit((unsigned char) *instr))
2586 : return false;
2587 :
2588 10 : instr++;
2589 10 : if (*instr) {
2590 10 : if (!isdigit((unsigned char) *instr))
2591 : return false;
2592 :
2593 10 : instr++;
2594 10 : if (!isdigit((unsigned char) *instr))
2595 : return false;
2596 : }
2597 : }
2598 :
2599 : return true;
2600 :
2601 : }
2602 :
2603 : static bool
2604 500 : is_ampm(const char *datestr)
2605 : {
2606 500 : if (strcasecmp(datestr, "am") == 0)
2607 : return true;
2608 :
2609 500 : if (strcasecmp(datestr, "pm") == 0)
2610 : return true;
2611 :
2612 0 : return false;
2613 : }
2614 :
2615 : static bool
2616 5356 : is_alphabetic(const char *datestr)
2617 : {
2618 : const char *s;
2619 :
2620 7986 : for (s = datestr; *s; s++) {
2621 7136 : if (!isalpha((unsigned char) *s))
2622 : return false;
2623 : }
2624 : return true;
2625 : }
2626 :
2627 : static bool
2628 4506 : is_numeric(const char *datestr)
2629 : {
2630 : const char *s;
2631 :
2632 16724 : for (s = datestr; *s; s++) {
2633 15024 : if (!isdigit((unsigned char) *s))
2634 : return false;
2635 : }
2636 : return true;
2637 : }
2638 :
2639 : static bool
2640 1778 : is_timeformat(const char *datestr)
2641 : {
2642 : const char *s;
2643 :
2644 18384 : for (s = datestr; *s; s++) {
2645 17106 : if (!isdigit((unsigned char) *s) && *s != ':' && *s != '.')
2646 : break;
2647 : }
2648 1778 : if (*s)
2649 500 : return is_ampm(s);
2650 :
2651 : return true;
2652 : }
2653 :
2654 : static int
2655 : store_year(int year, struct tds_time *t)
2656 : {
2657 :
2658 1888 : if (year < 0)
2659 : return 0;
2660 :
2661 1888 : if (year < 100) {
2662 10 : if (year > 49)
2663 0 : t->tm_year = year;
2664 : else
2665 10 : t->tm_year = 100 + year;
2666 : return (1);
2667 : }
2668 :
2669 1878 : if (year < 1753)
2670 : return (0);
2671 :
2672 1878 : if (year <= 9999) {
2673 1878 : t->tm_year = year - 1900;
2674 : return (1);
2675 : }
2676 :
2677 : return (0);
2678 :
2679 : }
2680 :
2681 : static int
2682 : store_mday(const char *datestr, struct tds_time *t)
2683 : {
2684 840 : int mday = atoi(datestr);
2685 :
2686 840 : if (mday > 0 && mday < 32) {
2687 840 : t->tm_mday = mday;
2688 : return 1;
2689 : }
2690 : return 0;
2691 : }
2692 :
2693 : static int
2694 1018 : store_numeric_date(const char *datestr, struct tds_time *t)
2695 : {
2696 1018 : int TDS_MONTH = 0;
2697 1018 : int TDS_DAY = 0;
2698 1018 : int TDS_YEAR = 0;
2699 :
2700 : int state;
2701 1018 : char last_char = 0;
2702 : const char *s;
2703 1018 : int month = 0, year = 0, mday = 0;
2704 :
2705 : /* Its YYYY-MM-DD format */
2706 :
2707 1018 : if (strlen(datestr) == 10 && *(datestr + 4) == '-' && *(datestr + 7) == '-') {
2708 :
2709 : TDS_YEAR = 0;
2710 : TDS_MONTH = 1;
2711 : TDS_DAY = 2;
2712 : state = TDS_YEAR;
2713 :
2714 : }
2715 : /* else we assume MDY */
2716 : else {
2717 0 : TDS_MONTH = 0;
2718 0 : TDS_DAY = 1;
2719 0 : TDS_YEAR = 2;
2720 0 : state = TDS_MONTH;
2721 : }
2722 11198 : for (s = datestr; *s; s++) {
2723 10180 : if (!isdigit((unsigned char) *s) && isdigit((unsigned char) last_char)) {
2724 2036 : state++;
2725 : } else {
2726 8144 : if (state == TDS_MONTH)
2727 2036 : month = (month * 10) + (*s - '0');
2728 8144 : if (state == TDS_DAY)
2729 2036 : mday = (mday * 10) + (*s - '0');
2730 8144 : if (state == TDS_YEAR)
2731 4072 : year = (year * 10) + (*s - '0');
2732 : }
2733 10180 : last_char = *s;
2734 : }
2735 :
2736 1018 : if (month > 0 && month < 13)
2737 1018 : t->tm_mon = month - 1;
2738 : else
2739 : return 0;
2740 1018 : if (mday > 0 && mday < 32)
2741 1018 : t->tm_mday = mday;
2742 : else
2743 : return 0;
2744 :
2745 1018 : return store_year(year, t);
2746 :
2747 : }
2748 :
2749 : static int
2750 10 : store_dd_mon_yyy_date(char *datestr, struct tds_time *t)
2751 : {
2752 :
2753 : char dd[3];
2754 : int mday;
2755 : char mon[4];
2756 : int year;
2757 :
2758 10 : tdsdump_log(TDS_DBG_INFO1, "store_dd_mon_yyy_date: %s\n", datestr);
2759 10 : strlcpy(dd, datestr, 3);
2760 10 : mday = atoi(dd);
2761 :
2762 10 : if (mday > 0 && mday < 32)
2763 10 : t->tm_mday = mday;
2764 : else
2765 : return 0;
2766 :
2767 10 : if (datestr[2] == '-') {
2768 0 : strlcpy(mon, &datestr[3], 4);
2769 :
2770 0 : if (store_monthname(mon, t) < 0) {
2771 0 : tdsdump_log(TDS_DBG_INFO1, "store_dd_mon_yyy_date: store_monthname failed\n");
2772 : return 0;
2773 : }
2774 :
2775 0 : year = atoi(&datestr[7]);
2776 0 : tdsdump_log(TDS_DBG_INFO1, "store_dd_mon_yyy_date: year %d\n", year);
2777 :
2778 0 : return store_year(year, t);
2779 : } else {
2780 10 : strlcpy(mon, &datestr[2], 4);
2781 :
2782 10 : if (store_monthname(mon, t) < 0) {
2783 0 : tdsdump_log(TDS_DBG_INFO1, "store_dd_mon_yyy_date: store_monthname failed\n");
2784 : return 0;
2785 : }
2786 :
2787 20 : year = atoi(&datestr[5]);
2788 10 : tdsdump_log(TDS_DBG_INFO1, "store_dd_mon_yyy_date: year %d\n", year);
2789 :
2790 10 : return store_year(year, t);
2791 : }
2792 :
2793 : }
2794 :
2795 : /**
2796 : * Test if a string is a month name and store correct month number
2797 : * @return month number (0-11) or -1 if not match
2798 : * @param datestr string to check
2799 : * @param t where to store month (if NULL no store is done)
2800 : */
2801 : static int
2802 2148 : store_monthname(const char *datestr, struct tds_time *t)
2803 : {
2804 : int ret;
2805 :
2806 2148 : tdsdump_log(TDS_DBG_INFO1, "store_monthname: %ld %s\n", (long) strlen(datestr), datestr);
2807 2148 : if (strlen(datestr) == 3) {
2808 2118 : if (strcasecmp(datestr, "jan") == 0)
2809 : ret = 0;
2810 1968 : else if (strcasecmp(datestr, "feb") == 0)
2811 : ret = 1;
2812 1968 : else if (strcasecmp(datestr, "mar") == 0)
2813 : ret = 2;
2814 1968 : else if (strcasecmp(datestr, "apr") == 0)
2815 : ret = 3;
2816 1788 : else if (strcasecmp(datestr, "may") == 0)
2817 : ret = 4;
2818 1778 : else if (strcasecmp(datestr, "jun") == 0)
2819 : ret = 5;
2820 1778 : else if (strcasecmp(datestr, "jul") == 0)
2821 : ret = 6;
2822 1778 : else if (strcasecmp(datestr, "aug") == 0)
2823 : ret = 7;
2824 1778 : else if (strcasecmp(datestr, "sep") == 0)
2825 : ret = 8;
2826 1778 : else if (strcasecmp(datestr, "oct") == 0)
2827 : ret = 9;
2828 1778 : else if (strcasecmp(datestr, "nov") == 0)
2829 : ret = 10;
2830 1778 : else if (strcasecmp(datestr, "dec") == 0)
2831 : ret = 11;
2832 : else
2833 : return -1;
2834 : } else {
2835 30 : if (strcasecmp(datestr, "january") == 0)
2836 : ret = 0;
2837 20 : else if (strcasecmp(datestr, "february") == 0)
2838 : ret = 1;
2839 20 : else if (strcasecmp(datestr, "march") == 0)
2840 : ret = 2;
2841 10 : else if (strcasecmp(datestr, "april") == 0)
2842 : ret = 3;
2843 10 : else if (strcasecmp(datestr, "june") == 0)
2844 : ret = 5;
2845 10 : else if (strcasecmp(datestr, "july") == 0)
2846 : ret = 6;
2847 10 : else if (strcasecmp(datestr, "august") == 0)
2848 : ret = 7;
2849 10 : else if (strcasecmp(datestr, "september") == 0)
2850 : ret = 8;
2851 10 : else if (strcasecmp(datestr, "october") == 0)
2852 : ret = 9;
2853 10 : else if (strcasecmp(datestr, "november") == 0)
2854 : ret = 10;
2855 10 : else if (strcasecmp(datestr, "december") == 0)
2856 : ret = 11;
2857 : else
2858 : return -1;
2859 : }
2860 860 : if (t)
2861 850 : t->tm_mon = ret;
2862 : return ret;
2863 : }
2864 :
2865 : static int
2866 20 : store_yymmdd_date(const char *datestr, struct tds_time *t)
2867 : {
2868 20 : int month = 0, year = 0, mday = 0;
2869 :
2870 : int wholedate;
2871 :
2872 20 : wholedate = atoi(datestr);
2873 :
2874 20 : year = wholedate / 10000;
2875 20 : month = (wholedate - (year * 10000)) / 100;
2876 20 : mday = (wholedate - (year * 10000) - (month * 100));
2877 :
2878 20 : if (month > 0 && month < 13)
2879 20 : t->tm_mon = month - 1;
2880 : else
2881 : return 0;
2882 20 : if (mday > 0 && mday < 32)
2883 20 : t->tm_mday = mday;
2884 : else
2885 : return 0;
2886 :
2887 20 : return (store_year(year, t));
2888 :
2889 : }
2890 :
2891 : static int
2892 1778 : store_time(const char *datestr, struct tds_time *t)
2893 : {
2894 : enum
2895 : { TDS_HOURS,
2896 : TDS_MINUTES,
2897 : TDS_SECONDS,
2898 : TDS_FRACTIONS
2899 : };
2900 :
2901 1778 : int state = TDS_HOURS;
2902 1778 : char last_sep = '\0';
2903 : const char *s;
2904 1778 : unsigned int hours = 0, minutes = 0, seconds = 0, nanosecs = 0;
2905 1778 : int ret = 1;
2906 1778 : unsigned ns_div = 1;
2907 :
2908 18384 : for (s = datestr; *s && strchr("apmAPM", (int) *s) == NULL; s++) {
2909 16606 : if (*s == ':' || *s == '.') {
2910 3814 : last_sep = *s;
2911 3814 : state++;
2912 : } else {
2913 12792 : if (*s < '0' || *s > '9')
2914 0 : ret = 0;
2915 12792 : switch (state) {
2916 3056 : case TDS_HOURS:
2917 3056 : hours = (hours * 10u) + (*s - '0');
2918 3056 : break;
2919 3556 : case TDS_MINUTES:
2920 3556 : minutes = (minutes * 10u) + (*s - '0');
2921 3556 : break;
2922 2556 : case TDS_SECONDS:
2923 2556 : seconds = (seconds * 10u) + (*s - '0');
2924 2556 : break;
2925 3624 : case TDS_FRACTIONS:
2926 3624 : if (ns_div < 1000000000u) {
2927 3624 : nanosecs = (nanosecs * 10u) + (*s - '0');
2928 3624 : ns_div *= 10;
2929 : }
2930 : break;
2931 : }
2932 : }
2933 : }
2934 1778 : if (*s) {
2935 500 : if (strcasecmp(s, "am") == 0) {
2936 0 : if (hours == 12)
2937 0 : hours = 0;
2938 :
2939 0 : t->tm_hour = hours;
2940 : }
2941 500 : if (strcasecmp(s, "pm") == 0) {
2942 500 : if (hours == 0)
2943 0 : ret = 0;
2944 500 : if (hours > 0u && hours < 12u)
2945 500 : t->tm_hour = hours + 12;
2946 : else
2947 0 : t->tm_hour = hours;
2948 : }
2949 : } else {
2950 1278 : if (hours < 24u)
2951 1278 : t->tm_hour = hours;
2952 : else
2953 : ret = 0;
2954 : }
2955 1778 : if (minutes < 60u)
2956 1778 : t->tm_min = minutes;
2957 : else
2958 : ret = 0;
2959 1778 : if (seconds < 60u)
2960 1778 : t->tm_sec = seconds;
2961 : else
2962 : ret = 0;
2963 1778 : tdsdump_log(TDS_DBG_FUNC, "store_time() nanosecs = %d\n", nanosecs);
2964 1778 : if (nanosecs) {
2965 548 : if (nanosecs < ns_div && last_sep == '.')
2966 548 : t->tm_ns = nanosecs * (1000000000u / ns_div);
2967 0 : else if (nanosecs < 1000u)
2968 0 : t->tm_ns = nanosecs * 1000000u;
2969 : else
2970 : ret = 0;
2971 : }
2972 :
2973 1778 : return (ret);
2974 : }
2975 :
2976 : static int
2977 0 : store_hour(const char *hour, const char *ampm, struct tds_time *t)
2978 : {
2979 0 : int ret = 1;
2980 : int hours;
2981 :
2982 0 : hours = atoi(hour);
2983 :
2984 0 : if (hours >= 0 && hours < 24) {
2985 0 : if (strcasecmp(ampm, "am") == 0) {
2986 0 : if (hours == 12)
2987 0 : hours = 0;
2988 :
2989 0 : t->tm_hour = hours;
2990 : }
2991 0 : if (strcasecmp(ampm, "pm") == 0) {
2992 0 : if (hours == 0)
2993 0 : ret = 0;
2994 0 : if (hours > 0 && hours < 12)
2995 0 : t->tm_hour = hours + 12;
2996 : else
2997 0 : t->tm_hour = hours;
2998 : }
2999 : }
3000 0 : return ret;
3001 : }
3002 :
3003 : /**
3004 : * Get same type but nullable
3005 : * @param srctype type requires
3006 : * @return nullable type
3007 : */
3008 : TDS_SERVER_TYPE
3009 86 : tds_get_null_type(TDS_SERVER_TYPE srctype)
3010 : {
3011 :
3012 86 : switch (srctype) {
3013 : case SYBCHAR:
3014 : return SYBVARCHAR;
3015 : break;
3016 32 : case SYBINT1:
3017 : case SYBSINT1:
3018 : case SYBUINT1:
3019 : case SYBINT2:
3020 : case SYBINT4:
3021 : case SYBINT8:
3022 : /* TODO sure ?? */
3023 : case SYBUINT2:
3024 : case SYBUINT4:
3025 : case SYBUINT8:
3026 32 : return SYBINTN;
3027 : break;
3028 0 : case SYBREAL:
3029 : case SYBFLT8:
3030 0 : return SYBFLTN;
3031 : break;
3032 0 : case SYBDATETIME:
3033 : case SYBDATETIME4:
3034 0 : return SYBDATETIMN;
3035 : break;
3036 4 : case SYBBIT:
3037 4 : return SYBBITN;
3038 : break;
3039 0 : case SYBMONEY:
3040 : case SYBMONEY4:
3041 0 : return SYBMONEYN;
3042 : break;
3043 0 : case SYBTIME:
3044 0 : return SYBTIMEN;
3045 : break;
3046 0 : case SYBDATE:
3047 0 : return SYBDATEN;
3048 : break;
3049 : default:
3050 : break;
3051 : }
3052 30 : return srctype;
3053 : }
3054 :
3055 : static void
3056 : two_digit(char *out, int num)
3057 : {
3058 562 : if (num < 1)
3059 : num = 1;
3060 562 : if (num > 31)
3061 : num = 31;
3062 592 : out[0] = num < 10 ? ' ' : num/10 + '0';
3063 592 : out[1] = num%10 + '0';
3064 : }
3065 :
3066 : /**
3067 : * format a date string according to an "extended" strftime(3) formatting definition.
3068 : * @param buf output buffer
3069 : * @param maxsize size of buffer in bytes (space include terminator)
3070 : * @param format format string passed to strftime(3), except that %z represents fraction of seconds.
3071 : * @param dr date to convert
3072 : * @param prec second fraction precision (0-7).
3073 : * @return length of string returned, 0 for error
3074 : */
3075 : size_t
3076 2056 : tds_strftime(char *buf, size_t maxsize, const char *format, const TDSDATEREC * dr, int prec)
3077 : {
3078 : struct tm tm;
3079 :
3080 : size_t length;
3081 : char *our_format;
3082 : char *pz;
3083 2056 : bool z_found = false;
3084 :
3085 2056 : assert(buf);
3086 2056 : assert(format);
3087 2056 : assert(dr);
3088 2056 : assert(0 <= dr->decimicrosecond && dr->decimicrosecond < 10000000);
3089 2056 : if (prec < 0 || prec > 7)
3090 0 : prec = 3;
3091 :
3092 2056 : tm.tm_sec = dr->second;
3093 2056 : tm.tm_min = dr->minute;
3094 2056 : tm.tm_hour = dr->hour;
3095 2056 : tm.tm_mday = dr->day;
3096 2056 : tm.tm_mon = dr->month;
3097 2056 : tm.tm_year = dr->year - 1900;
3098 2056 : tm.tm_wday = dr->weekday;
3099 2056 : tm.tm_yday = dr->dayofyear;
3100 2056 : tm.tm_isdst = 0;
3101 : #ifdef HAVE_STRUCT_TM_TM_ZONE
3102 2056 : tm.tm_zone = NULL;
3103 : #elif defined(HAVE_STRUCT_TM___TM_ZONE)
3104 : tm.__tm_zone = NULL;
3105 : #endif
3106 :
3107 : /* more characters are required because we replace %z with up to 7 digits */
3108 2056 : our_format = tds_new(char, strlen(format) + 1 + 5 + 1);
3109 2056 : if (!our_format)
3110 : return 0;
3111 :
3112 2056 : strcpy(our_format, format);
3113 :
3114 25062 : for (pz = our_format; *pz; ) {
3115 20950 : if (*pz++ != '%')
3116 9090 : continue;
3117 :
3118 11860 : switch (*pz) {
3119 10 : case 0:
3120 10 : *pz++ = '%';
3121 10 : *pz = 0;
3122 10 : continue;
3123 : case '%':
3124 : /* escaped, do not treat as format on next iteration */
3125 : break;
3126 562 : case 'e':
3127 : /* not portable: day of month, single digit preceded by a blank */
3128 : /* not supported on old Windows versions */
3129 562 : two_digit(pz-1, dr->day);
3130 : break;
3131 30 : case 'l':
3132 : /* not portable: 12-hour, single digit preceded by a blank */
3133 : /* not supported on: SCO Unix, AIX, HP-UX, Windows
3134 : * supported on: *BSD, MacOS, Linux, Solaris */
3135 30 : two_digit(pz-1, (dr->hour + 11u) % 12u + 1);
3136 : break;
3137 1424 : case 'z':
3138 : /*
3139 : * Look for "%z" in the format string. If found, replace it with dr->milliseconds.
3140 : * For example, if milliseconds is 124, the format string
3141 : * "%b %d %Y %H:%M:%S.%z" would become
3142 : * "%b %d %Y %H:%M:%S.124".
3143 : */
3144 1424 : if (z_found)
3145 : break;
3146 1424 : z_found = true;
3147 :
3148 1424 : --pz;
3149 2700 : if (prec || pz <= our_format || pz[-1] != '.') {
3150 : char buf[12];
3151 1276 : sprintf(buf, "%07d", dr->decimicrosecond);
3152 1276 : memcpy(pz, buf, prec);
3153 1276 : strcpy(pz + prec, format + (pz - our_format) + 2);
3154 1276 : pz += prec;
3155 : } else {
3156 148 : strcpy(pz - 1, format + (pz - our_format) + 2);
3157 148 : pz--;
3158 : }
3159 1424 : continue;
3160 : }
3161 10426 : ++pz;
3162 : }
3163 :
3164 2056 : length = strftime(buf, maxsize, our_format, &tm);
3165 :
3166 2056 : free(our_format);
3167 :
3168 2056 : return length;
3169 : }
3170 :
3171 : #if 0
3172 : static TDS_UINT
3173 : utf16len(const utf16_t * s)
3174 : {
3175 : const utf16_t *p = s;
3176 :
3177 : while (*p++)
3178 : continue;
3179 : return p - s;
3180 : }
3181 : #endif
3182 :
3183 : #include "tds_willconvert.h"
3184 :
3185 : /**
3186 : * Test if a conversion is possible
3187 : * @param srctype source type
3188 : * @param desttype destination type
3189 : * @return 0 if not convertible
3190 : */
3191 : unsigned char
3192 1613254 : tds_willconvert(int srctype, int desttype)
3193 : {
3194 : TDS_TINYINT cat_from, cat_to;
3195 : TDS_UINT yn;
3196 :
3197 1613254 : tdsdump_log(TDS_DBG_FUNC, "tds_willconvert(%d, %d)\n", srctype, desttype);
3198 :
3199 : /* they must be from 0 to 255 */
3200 1613254 : if (((srctype|desttype) & ~0xff) != 0)
3201 : return 0;
3202 :
3203 1613254 : cat_from = type2category[srctype];
3204 1613254 : cat_to = type2category[desttype];
3205 1613254 : yn = category_conversion[cat_from];
3206 :
3207 1613254 : yn = (yn >> cat_to) & 1;
3208 :
3209 1613254 : tdsdump_log(TDS_DBG_FUNC, "tds_willconvert(%d, %d) returns %s\n",
3210 : srctype, desttype, yn? "yes":"no");
3211 1613254 : return yn;
3212 : }
3213 :
3214 : #if 0
3215 : select day(d) as day, datepart(dw, d) as weekday, datepart(week, d) as week, d as 'date' from #t order by d
3216 : day weekday week date
3217 : ----------- ----------- ----------- ----------
3218 : 1 5 1 2009-01-01 Thursday
3219 : 2 6 1 2009-01-02 Friday
3220 : 3 7 1 2009-01-03 Saturday
3221 : 4 1 2 2009-01-04 Sunday
3222 : 5 2 2 2009-01-05
3223 : 6 3 2 2009-01-06
3224 : 7 4 2 2009-01-07
3225 : 8 5 2 2009-01-08
3226 : 9 6 2 2009-01-09
3227 : 10 7 2 2009-01-10
3228 : 11 1 3 2009-01-11
3229 : 12 2 3 2009-01-12
3230 : 13 3 3 2009-01-13
3231 : 14 4 3 2009-01-14
3232 : 15 5 3 2009-01-15
3233 : 16 6 3 2009-01-16
3234 : 17 7 3 2009-01-17
3235 : 18 1 4 2009-01-18
3236 : 19 2 4 2009-01-19
3237 : 20 3 4 2009-01-20
3238 : 21 4 4 2009-01-21
3239 : 22 5 4 2009-01-22
3240 : 23 6 4 2009-01-23
3241 : 24 7 4 2009-01-24
3242 : 25 1 5 2009-01-25
3243 : 26 2 5 2009-01-26
3244 : 27 3 5 2009-01-27
3245 : 28 4 5 2009-01-28
3246 : 29 5 5 2009-01-29
3247 : 30 6 5 2009-01-30
3248 : 31 7 5 2009-01-31
3249 : #endif
3250 : /**
3251 : * Convert from db date format to a structured date format
3252 : * @param datetype source date type. SYBDATETIME or SYBDATETIME4
3253 : * @param di source date
3254 : * @param dr destination date
3255 : * @return TDS_FAIL or TDS_SUCCESS
3256 : */
3257 : TDSRET
3258 4836 : tds_datecrack(TDS_INT datetype, const void *di, TDSDATEREC * dr)
3259 : {
3260 : int dt_days;
3261 : unsigned int dt_time;
3262 :
3263 4836 : int years, months, days, ydays, wday, hours, mins, secs, dms, tzone = 0;
3264 : int l, n, i, j;
3265 :
3266 4836 : memset(dr, 0, sizeof(*dr));
3267 :
3268 4836 : if (datetype == SYBMSDATE || datetype == SYBMSTIME
3269 4836 : || datetype == SYBMSDATETIME2 || datetype == SYBMSDATETIMEOFFSET) {
3270 3642 : const TDS_DATETIMEALL *dta = (const TDS_DATETIMEALL *) di;
3271 3642 : dt_days = (datetype == SYBMSTIME) ? 0 : dta->date;
3272 3642 : if (datetype == SYBMSDATE) {
3273 : dms = 0;
3274 : secs = 0;
3275 : dt_time = 0;
3276 : } else {
3277 3410 : dms = dta->time % 10000000u;
3278 3410 : dt_time = (unsigned int) (dta->time / 10000000u);
3279 3410 : secs = dt_time % 60;
3280 3410 : dt_time = dt_time / 60;
3281 : }
3282 3642 : if (datetype == SYBMSDATETIMEOFFSET) {
3283 126 : --dt_days;
3284 126 : dt_time = dt_time + 1440 + dta->offset;
3285 126 : dt_days += dt_time / 1440;
3286 126 : dt_time %= 1440;
3287 126 : tzone = dta->offset;
3288 : }
3289 1194 : } else if (datetype == SYBDATETIME) {
3290 808 : const TDS_DATETIME *dt = (const TDS_DATETIME *) di;
3291 808 : dt_time = dt->dttime;
3292 808 : dms = ((dt_time % 300) * 1000 + 150) / 300 * 10000u;
3293 808 : dt_time = dt_time / 300;
3294 808 : secs = dt_time % 60;
3295 808 : dt_time = dt_time / 60;
3296 808 : dt_days = dt->dtdays;
3297 386 : } else if (datetype == SYBDATETIME4) {
3298 140 : const TDS_DATETIME4 *dt4 = (const TDS_DATETIME4 *) di;
3299 140 : secs = 0;
3300 140 : dms = 0;
3301 140 : dt_days = dt4->days;
3302 140 : dt_time = dt4->minutes;
3303 246 : } else if (datetype == SYBDATE) {
3304 92 : dt_days = *((const TDS_DATE *) di);
3305 92 : dms = 0;
3306 92 : secs = 0;
3307 92 : dt_time = 0;
3308 154 : } else if (datetype == SYBTIME) {
3309 94 : dt_time = *((const TDS_TIME *) di);
3310 94 : dms = ((dt_time % 300) * 1000 + 150) / 300 * 10000u;
3311 94 : dt_time = dt_time / 300;
3312 94 : secs = dt_time % 60;
3313 94 : dt_time = dt_time / 60;
3314 94 : dt_days = 0;
3315 60 : } else if (datetype == SYB5BIGTIME) {
3316 30 : TDS_UINT8 bigtime = *((const TDS_BIGTIME *) di);
3317 30 : dt_days = 0;
3318 30 : dms = bigtime % 1000000u * 10u;
3319 30 : dt_time = (bigtime / 1000000u) % 86400u;
3320 30 : secs = dt_time % 60;
3321 30 : dt_time = dt_time / 60u;
3322 30 : } else if (datetype == SYB5BIGDATETIME) {
3323 30 : TDS_UINT8 bigdatetime = *((const TDS_BIGDATETIME*) di);
3324 30 : dms = bigdatetime % 1000000u * 10u;
3325 30 : bigdatetime /= 1000000u;
3326 30 : secs = bigdatetime % 60u;
3327 30 : bigdatetime /= 60u;
3328 30 : dt_time = bigdatetime % (24u*60u);
3329 30 : dt_days = bigdatetime / (24u*60u) - BIGDATETIME_BIAS;
3330 : } else {
3331 : return TDS_FAIL;
3332 : }
3333 :
3334 : /*
3335 : * -53690 is minimun (1753-1-1) (Gregorian calendar start in 1732)
3336 : * 2958463 is maximun (9999-12-31)
3337 : */
3338 4836 : l = dt_days + (146038 + 146097*4);
3339 4836 : wday = (l + 4) % 7;
3340 4836 : n = (4 * l) / 146097; /* n century */
3341 4836 : l = l - (146097 * n + 3) / 4; /* days from xx00-02-28 (y-m-d) */
3342 4836 : i = (4000 * (l + 1)) / 1461001; /* years from xx00-02-28 */
3343 4836 : l = l - (1461 * i) / 4; /* year days from xx00-02-28 */
3344 4836 : ydays = l >= 306 ? l - 305 : l + 60;
3345 4836 : l += 31;
3346 4836 : j = (80 * l) / 2447;
3347 4836 : days = l - (2447 * j) / 80;
3348 4836 : l = j / 11;
3349 4836 : months = j + 1 - 12 * l;
3350 4836 : years = 100 * (n - 1) + i + l;
3351 4836 : if (l == 0 && (years & 3) == 0 && (years % 100 != 0 || years % 400 == 0))
3352 550 : ++ydays;
3353 :
3354 4836 : hours = dt_time / 60;
3355 4836 : mins = dt_time % 60;
3356 :
3357 4836 : dr->year = years;
3358 4836 : dr->month = months;
3359 4836 : dr->quarter = months / 3;
3360 4836 : dr->day = days;
3361 4836 : dr->dayofyear = ydays;
3362 4836 : dr->weekday = wday;
3363 4836 : dr->hour = hours;
3364 4836 : dr->minute = mins;
3365 4836 : dr->second = secs;
3366 4836 : dr->decimicrosecond = dms;
3367 4836 : dr->timezone = tzone;
3368 4836 : return TDS_SUCCESS;
3369 : }
3370 :
3371 : /**
3372 : * \brief convert a number in string to TDS_INT
3373 : *
3374 : * \return TDS_CONVERT_* or failure code on error
3375 : * \remarks Sybase's char->int conversion tolerates embedded blanks,
3376 : * such that "convert( int, ' - 13 ' )" works.
3377 : * If we find blanks, we copy the string to a temporary buffer,
3378 : * skipping the blanks.
3379 : * We return the results of atoi() with a clean string.
3380 : *
3381 : * n.b. it is possible to embed all sorts of non-printable characters, but we
3382 : * only check for spaces. at this time, no one on the project has tested anything else.
3383 : */
3384 : static TDS_INT
3385 602554 : string_to_int(const char *buf, const char *pend, TDS_INT * res)
3386 : {
3387 : bool negative;
3388 : unsigned int num; /* we use unsigned here for best overflow check */
3389 : size_t digits, decimals;
3390 :
3391 602554 : buf = parse_numeric(buf, pend, &negative, &digits, &decimals);
3392 602554 : if (!buf)
3393 : return TDS_CONVERT_SYNTAX;
3394 :
3395 : num = 0;
3396 3766828 : for (; digits; --digits, ++buf) {
3397 : /* add a digit to number and check for overflow */
3398 : /* NOTE I didn't forget a digit, I check overflow before multiply to prevent overflow */
3399 3988158 : if (num > 214748364u)
3400 : return TDS_CONVERT_OVERFLOW;
3401 3766828 : num = num * 10u + (*buf - '0');
3402 : }
3403 :
3404 : /* check for overflow and convert unsigned to signed */
3405 380674 : if (negative) {
3406 173226 : if (num > 2147483648u)
3407 : return TDS_CONVERT_OVERFLOW;
3408 171036 : *res = 0 - num;
3409 : } else {
3410 207448 : if (num >= 2147483648u)
3411 : return TDS_CONVERT_OVERFLOW;
3412 203818 : *res = num;
3413 : }
3414 :
3415 : return sizeof(TDS_INT);
3416 : }
3417 :
3418 : /**
3419 : * \brief convert a number in string to TDS_INT8
3420 : *
3421 : * \return TDS_CONVERT_* or failure code on error
3422 : */
3423 : static TDS_INT /* copied from string_ti_int and modified */
3424 476230 : parse_int8(const char *buf, const char *pend, TDS_UINT8 * res, bool * p_negative)
3425 : {
3426 : TDS_UINT8 num;
3427 : size_t digits, decimals;
3428 :
3429 476230 : buf = parse_numeric(buf, pend, p_negative, &digits, &decimals);
3430 476230 : if (!buf)
3431 : return TDS_CONVERT_SYNTAX;
3432 :
3433 : num = 0;
3434 4363020 : for (; digits; --digits, ++buf) {
3435 : /* add a digit to number and check for overflow */
3436 4375000 : TDS_UINT8 prev = num;
3437 4375000 : if (num > (UINT64_C(1) << 63) / 5u)
3438 : return TDS_CONVERT_OVERFLOW;
3439 4367560 : num = num * 10u + (*buf - '0');
3440 4367560 : if (num < prev)
3441 : return TDS_CONVERT_OVERFLOW;
3442 : }
3443 :
3444 463880 : *res = num;
3445 463880 : return sizeof(TDS_INT8);
3446 : }
3447 :
3448 : /**
3449 : * \brief convert a number in string to TDS_INT8
3450 : *
3451 : * \return TDS_CONVERT_* or failure code on error
3452 : */
3453 : static TDS_INT /* copied from string_ti_int and modified */
3454 374650 : string_to_int8(const char *buf, const char *pend, TDS_INT8 * res)
3455 : {
3456 : TDS_UINT8 num;
3457 : TDS_INT parse_res;
3458 : bool negative;
3459 :
3460 374650 : parse_res = parse_int8(buf, pend, &num, &negative);
3461 374650 : if (parse_res < 0)
3462 : return parse_res;
3463 :
3464 : /* check for overflow and convert unsigned to signed */
3465 366420 : if (negative) {
3466 168400 : if (num > UINT64_C(1) << 63)
3467 : return TDS_CONVERT_OVERFLOW;
3468 157150 : *res = 0 - num;
3469 : } else {
3470 198020 : if (num >= UINT64_C(1) << 63)
3471 : return TDS_CONVERT_OVERFLOW;
3472 185320 : *res = num;
3473 : }
3474 : return sizeof(TDS_INT8);
3475 : }
3476 :
3477 : /**
3478 : * \brief convert a number in string to TDS_UINT8
3479 : *
3480 : * \return TDS_CONVERT_* or failure code on error
3481 : */
3482 : static TDS_INT /* copied from string_to_int8 and modified */
3483 101580 : string_to_uint8(const char *buf, const char *pend, TDS_UINT8 * res)
3484 : {
3485 : TDS_UINT8 num;
3486 : TDS_INT parse_res;
3487 : bool negative;
3488 :
3489 101580 : parse_res = parse_int8(buf, pend, &num, &negative);
3490 101580 : if (parse_res < 0)
3491 : return parse_res;
3492 :
3493 : /* check for overflow */
3494 97460 : if (negative && num)
3495 : return TDS_CONVERT_OVERFLOW;
3496 :
3497 52460 : *res = num;
3498 52460 : return sizeof(TDS_UINT8);
3499 : }
3500 :
3501 : /**
3502 : * Parse a string for numbers.
3503 : *
3504 : * Syntax can be something like " *[+-] *[0-9]*\.[0-9]* *".
3505 : *
3506 : * The function ignore all spaces. It strips leading zeroes which could
3507 : * possibly lead to overflow.
3508 : * The function returns a pointer to the integer part followed by *p_digits
3509 : * digits followed by a dot followed by *p_decimals digits (dot and
3510 : * fractional digits are optional, in this case *p_decimals is 0).
3511 : *
3512 : * @param buf start of string
3513 : * @param pend pointer to string end
3514 : * @param p_negative store if number is negative
3515 : * @param p_digits store number of integer digits
3516 : * @param p_decimals store number of fractional digits
3517 : * @return pointer to first not zero digit. If NULL this indicate a syntax
3518 : * error.
3519 : */
3520 : static const char *
3521 1399134 : parse_numeric(const char *buf, const char *pend, bool *p_negative, size_t *p_digits, size_t *p_decimals)
3522 : {
3523 : enum { blank = ' ' };
3524 : #define SKIP_IF(cond) while (p != pend && (cond)) ++p;
3525 : const char *p, *start;
3526 1399134 : bool negative = false;
3527 :
3528 1399134 : *p_decimals = 0;
3529 1399134 : p = buf;
3530 :
3531 : /* ignore leading spaces */
3532 1399134 : SKIP_IF(*p == blank);
3533 1399134 : if (p == pend) {
3534 700 : *p_negative = false;
3535 700 : *p_digits = 0;
3536 700 : return p;
3537 : }
3538 :
3539 : /* check for sign */
3540 1398434 : switch (*p) {
3541 644176 : case '-':
3542 644176 : negative = true;
3543 : /* fall thru */
3544 644346 : case '+':
3545 : /* skip spaces between sign and number */
3546 644346 : ++p;
3547 644346 : SKIP_IF(*p == blank);
3548 : break;
3549 : }
3550 1398434 : *p_negative = negative;
3551 :
3552 : /* a digit must be present */
3553 1398434 : if (p == pend)
3554 : return NULL;
3555 :
3556 : /*
3557 : * skip leading zeroes
3558 : * Not skipping them cause numbers like "000000000000" to
3559 : * appear like overflow
3560 : */
3561 10880 : SKIP_IF(*p == '0');
3562 :
3563 : start = p;
3564 12173558 : SKIP_IF(TDS_ISDIGIT(*p));
3565 1398274 : *p_digits = p - start;
3566 :
3567 : /* parse decimal part */
3568 1398274 : if (p != pend && *p == '.') {
3569 3860 : const char *decimals_start = ++p;
3570 3860 : SKIP_IF(TDS_ISDIGIT(*p));
3571 3860 : *p_decimals = p - decimals_start;
3572 : }
3573 :
3574 : /* check for trailing spaces */
3575 586 : SKIP_IF(*p == blank);
3576 1398274 : if (p != pend)
3577 : return NULL;
3578 :
3579 1397474 : return start;
3580 : }
3581 :
3582 : static TDS_INT
3583 189250 : string_to_float(const TDS_CHAR * src, TDS_UINT srclen, int desttype, CONV_RESULT * cr)
3584 : {
3585 : char tmpstr[128];
3586 : char *end;
3587 : double res;
3588 :
3589 : /* ignore leading spaces */
3590 378500 : while (srclen > 0 && src[0] == ' ')
3591 0 : ++src, --srclen;
3592 :
3593 : /* ignore trailing blanks and nulls */
3594 189250 : while (srclen > 0 && (src[srclen - 1] == ' ' || src[srclen - 1] == '\0'))
3595 : --srclen;
3596 :
3597 189250 : if (srclen >= sizeof(tmpstr))
3598 : return TDS_CONVERT_OVERFLOW;
3599 :
3600 189250 : memcpy(tmpstr, src, srclen);
3601 189250 : tmpstr[srclen] = 0;
3602 :
3603 189250 : errno = 0;
3604 189250 : res = strtod(tmpstr, &end);
3605 189250 : if (errno == ERANGE)
3606 : return TDS_CONVERT_OVERFLOW;
3607 189250 : if (end != tmpstr + srclen)
3608 : return TDS_CONVERT_SYNTAX;
3609 :
3610 189250 : if (desttype == SYBREAL) {
3611 : /* FIXME check overflows */
3612 94620 : cr->r = (TDS_REAL)res;
3613 94620 : return sizeof(TDS_REAL);
3614 : }
3615 94630 : cr->f = res;
3616 94630 : return sizeof(TDS_FLOAT);
3617 : }
3618 :
3619 : /** @} */
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