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/* Further tests for spawn in case of invalid binary paths.
Copyright (C) 2016-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <spawn.h>
#include <error.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>
#include <stdio.h>
#include <support/check.h>
int
do_test (void)
{
/* Check if posix_spawn correctly returns an error and an invalid pid
by trying to spawn an invalid binary. */
const char *program = "/path/to/invalid/binary";
char * const args[] = { 0 };
pid_t pid = -1;
int ret = posix_spawn (&pid, program, 0, 0, args, environ);
if (ret != ENOENT)
{
errno = ret;
FAIL_EXIT1 ("posix_spawn: %m");
}
/* POSIX states the value returned on pid variable in case of an error
is not specified. GLIBC will update the value iff the child
execution is successful. */
if (pid != -1)
FAIL_EXIT1 ("posix_spawn returned pid != -1 (%i)", (int) pid);
/* Check if no child is actually created. */
ret = waitpid (-1, NULL, 0);
if (ret != -1 || errno != ECHILD)
FAIL_EXIT1 ("waitpid: %m)");
/* Same as before, but with posix_spawnp. */
char *args2[] = { (char*) program, 0 };
ret = posix_spawnp (&pid, args2[0], 0, 0, args2, environ);
if (ret != ENOENT)
{
errno = ret;
FAIL_EXIT1 ("posix_spawnp: %m");
}
if (pid != -1)
FAIL_EXIT1 ("posix_spawnp returned pid != -1 (%i)", (int) pid);
ret = waitpid (-1, NULL, 0);
if (ret != -1 || errno != ECHILD)
FAIL_EXIT1 ("waitpid: %m)");
return 0;
}
#include <support/test-driver.c>
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