tests/test-exec-child.c

   1 /* Callee program for the tests of the exec*() functions.
   2    Copyright (C) 2020-2024 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 <stdlib.h>
  21
  22 /* Do not use any gnulib replacements, since this program should
  23    link against as few libraries as possible.  */
  24 #undef printf
  25
  26 int
  27 main (int argc, char* argv[])
  28 {
  29   /* Print the arguments.  */
  30   int i;
  31   printf ("argc = %d\n", argc);
  32   for (i = 1; i < argc; i++)
  33     printf ("argv[%d] = |%s|\n", i, argv[i]);
  34
  35   /* Print a particular environment variable.  */
  36   const char *var = "Hommingberg";
  37   if (getenv (var) != NULL)
  38     printf ("%s = |%s|\n", var, getenv (var));
  39
  40   return 49;
  41 }