LCOV - code coverage report
Current view: top level - src/tds/unittests - iconv_fread.c (source / functions) Hit Total Coverage
Test: FreeTDS coverage Lines: 38 51 74.5 %
Date: 2025-07-26 13:53:51 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
       2             :  * Copyright (C) 2006   Frediano Ziglio
       3             :  *
       4             :  * This library is free software; you can redistribute it and/or
       5             :  * modify it under the terms of the GNU Library General Public
       6             :  * License as published by the Free Software Foundation; either
       7             :  * version 2 of the License, or (at your option) any later version.
       8             :  *
       9             :  * This library is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             :  * Library General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU Library General Public
      15             :  * License along with this library; if not, write to the
      16             :  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
      17             :  * Boston, MA 02111-1307, USA.
      18             :  */
      19             : 
      20             : #include "common.h"
      21             : #include <freetds/iconv.h>
      22             : 
      23             : #if HAVE_UNISTD_H
      24             : #undef getpid
      25             : #include <unistd.h>
      26             : #endif /* HAVE_UNISTD_H */
      27             : 
      28             : #if HAVE_STDLIB_H
      29             : #include <stdlib.h>
      30             : #endif /* HAVE_STDLIB_H */
      31             : 
      32             : #include <assert.h>
      33             : 
      34             : /* test tds_bcp_fread */
      35             : 
      36             : static unsigned char buf[4096+80];
      37             : 
      38          10 : TEST_MAIN()
      39             : {
      40             :         static const char out_file[] = "iconv_fread.out";
      41             :         int i;
      42             :         FILE *f;
      43          10 :         TDSCONTEXT *ctx = tds_alloc_context(NULL);
      44          10 :         TDSSOCKET *tds = tds_alloc_socket(ctx, 512);
      45             :         TDSICONV * conv;
      46             :         const tds_dir_char *tdsdump;
      47             : 
      48          10 :         tdsdump = tds_dir_getenv(TDS_DIR("TDSDUMP"));
      49          10 :         if (tdsdump)
      50           0 :                 tdsdump_open(tdsdump);
      51             : 
      52          10 :         if (!ctx || !tds) {
      53           0 :                 fprintf(stderr, "Error creating socket!\n");
      54           0 :                 return 1;
      55             :         }
      56             : 
      57          10 :         tds_iconv_open(tds->conn, "ISO-8859-1", 0);
      58             : 
      59          10 :         conv = tds_iconv_get(tds->conn, "UTF-8", "ISO-8859-1");
      60          10 :         if (conv == NULL) {
      61           0 :                 fprintf(stderr, "Error creating conversion, giving up!\n");
      62           0 :                 return 1;
      63             :         }
      64             : 
      65          10 :         f = fopen(out_file, "w+b");
      66          10 :         if (!f) {
      67           0 :                 fprintf(stderr, "Error opening file!\n");
      68           0 :                 return 1;
      69             :         }
      70             : 
      71        1450 :         for (i = 0; i < 4096+20; ++i) {
      72         720 :                 char *out = NULL;
      73         720 :                 size_t out_len = 0xdeadbeef;
      74             :                 TDSRET res;
      75         720 :                 const unsigned char x = 0x90;
      76             : 
      77         720 :                 if (i == 32)
      78          10 :                         i = 4096-20;
      79             : 
      80             :                 /* write test string to file */
      81         720 :                 if (fseek(f, 0L, SEEK_SET)) {
      82           0 :                         fprintf(stderr, "Error seeking!\n");
      83           0 :                         return 1;
      84             :                 }
      85         720 :                 memset(buf, 'a', i);
      86         720 :                 buf[i] = (char) (0xC0 + (x >> 6));
      87         720 :                 buf[i+1] = (char) (0x80 + (x & 0x3f));
      88         720 :                 buf[i+2] = '!';
      89         720 :                 buf[i+3] = '!';
      90             : 
      91         720 :                 fwrite(buf, 1, i+4, f);
      92         720 :                 if (fseek(f, 0L, SEEK_SET)) {
      93           0 :                         fprintf(stderr, "Error seeking!\n");
      94           0 :                         return 1;
      95             :                 }
      96             : 
      97             :                 /* convert it */
      98         720 :                 res = tds_bcp_fread(NULL, conv, f, "!!", 2, &out, &out_len);
      99         720 :                 printf("res %d out_len %u\n", (int) res, (unsigned int) out_len);
     100             : 
     101             :                 /* test */
     102         720 :                 memset(buf, 'a', i);
     103         720 :                 buf[i] = x;
     104         720 :                 assert(TDS_SUCCEED(res));
     105         720 :                 if (out_len != i+1) {
     106           0 :                         fprintf(stderr, "out %u bytes expected %d\n",
     107             :                                 (unsigned int) out_len, i+1);
     108           0 :                         return 1;
     109             :                 }
     110         720 :                 assert(memcmp(out, buf, i+1) == 0);
     111         720 :                 free(out);
     112             :         }
     113          10 :         fclose(f);
     114          10 :         unlink(out_file);
     115             : 
     116          10 :         tds_free_socket(tds);
     117          10 :         tds_free_context(ctx);
     118          10 :         return 0;
     119             : }

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