mirror of
https://https.git.savannah.gnu.org/git/gnulib.git
synced 2026-04-28 06:33:36 +00:00
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/* Test of execle().
|
|
Copyright (C) 2020-2026 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3, or (at your option)
|
|
any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
/* Written by Bruno Haible <bruno@clisp.org>, 2020. */
|
|
|
|
#include <config.h>
|
|
|
|
/* Specification. */
|
|
#include <unistd.h>
|
|
|
|
#include "signature.h"
|
|
SIGNATURE_CHECK (execle, int, (const char *, const char *, ...));
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
/* Looks up the NAME=VALUE assignment among the environment variables.
|
|
Returns it, or NULL if not found. */
|
|
static const char *
|
|
get_environ_assignment (const char *name)
|
|
{
|
|
size_t name_len = strlen (name);
|
|
for (char **p = environ; *p != NULL; p++)
|
|
{
|
|
const char *assignment = *p;
|
|
if (strncmp (assignment, name, name_len) == 0
|
|
&& assignment[name_len] == '=')
|
|
return assignment;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* Creates a minimal environment. */
|
|
static void
|
|
create_minimal_env (const char *env[5])
|
|
{
|
|
const char **p = env;
|
|
*p++ =
|
|
#ifdef __CYGWIN__
|
|
/* The Cygwin DLLs needed by the program are in /bin. */
|
|
"PATH=.:/bin";
|
|
#else
|
|
"PATH=.";
|
|
#endif
|
|
*p = get_environ_assignment ("QEMU_LD_PREFIX");
|
|
if (*p != NULL)
|
|
p++;
|
|
*p = get_environ_assignment ("QEMU_CPU");
|
|
if (*p != NULL)
|
|
p++;
|
|
*p++ = "Hommingberg=Gepardenforelle";
|
|
*p = NULL;
|
|
}
|
|
|
|
int
|
|
main ()
|
|
{
|
|
const char *progname = "./test-exec-child";
|
|
const char *env[5];
|
|
create_minimal_env (env);
|
|
execle (progname,
|
|
progname,
|
|
"abc def",
|
|
"abc\"def\"ghi",
|
|
"xyz\"",
|
|
"abc\\def\\ghi",
|
|
"xyz\\",
|
|
"???",
|
|
"***",
|
|
"",
|
|
"foo",
|
|
"",
|
|
NULL,
|
|
env);
|
|
|
|
perror ("execle");
|
|
return 1;
|
|
}
|