tests/test-system-quote-child.c

   1 /* Child program invoked by test-system-quote-main.
   2    Copyright (C) 2012-2020 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3, or (at your option)
   7    any later version.
   8
   9    This program 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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 #include <stdio.h>
  20 #include <string.h>
  21
  22 /* Do not use any gnulib replacements, since this program should
  23    link against as few libraries as possible.  */
  24 #undef fclose
  25 #undef fopen
  26 #undef fprintf
  27 #undef fread
  28 /* Restore the original fopen definition on AIX.  */
  29 #if defined _AIX && defined _LARGE_FILES
  30 # define fopen fopen64
  31 #endif
  32
  33 #define EXPECTED_DATA_FILE "t-sq-data.tmp"
  34
  35 int
  36 main (int argc, char *argv[])
  37 {
  38   const char *arg;
  39   char expected_data[1000];
  40   size_t expected_data_len;
  41
  42   if (argc < 2)
  43     /* Expected one data argument, received none.  */
  44     return 2;
  45   if (argc > 2)
  46     /* Expected one data argument, received more than one.  */
  47     return 3;
  48   arg = argv[1];
  49
  50   /* Read the contents of EXPECTED_DATA_FILE.  */
  51   {
  52     FILE *fp = fopen (EXPECTED_DATA_FILE, "rb");
  53     if (fp == NULL)
  54       return 4;
  55     expected_data_len = fread (expected_data, 1, sizeof (expected_data), fp);
  56     if (fclose (fp))
  57       return 5;
  58   }
  59
  60   if (!(strlen (arg) == expected_data_len
  61         && memcmp (arg, expected_data, expected_data_len) == 0))
  62     {
  63       /* arg is not as expected.  */
  64       fprintf (stderr, "expected: %.*s\nreceived: %s\n",
  65                (int)expected_data_len, expected_data, arg);
  66       return 1;
  67     }
  68   else
  69     return 0;
  70 }