blob: e20238607cf495e098c4d82552251d86c70d2850 [file] [log] [blame]
/*
* Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz>
*
* 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 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it would 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, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define _GNU_SOURCE
#include <stdarg.h>
#include <stdio.h>
#include <errno.h>
#include "test.h"
#include "safe_stdio.h"
FILE *safe_fopen(const char *file, const int lineno, void (cleanup_fn)(void),
const char *path, const char *mode)
{
FILE *f = fopen(path, mode);
if (f == NULL) {
tst_brkm(TBROK | TERRNO, cleanup_fn,
"%s:%d: fopen(%s,%s) failed",
file, lineno, path, mode);
}
return f;
}
int safe_fclose(const char *file, const int lineno, void (cleanup_fn)(void),
FILE *f)
{
int ret;
ret = fclose(f);
if (ret) {
tst_brkm(TBROK | TERRNO, cleanup_fn,
"%s:%d: fclose(%p) failed", file, lineno, f);
}
return ret;
}
int safe_asprintf(const char *file, const int lineno, void (cleanup_fn)(void),
char **strp, const char *fmt, ...)
{
int ret;
va_list va;
va_start(va, fmt);
ret = vasprintf(strp, fmt, va);
va_end(va);
if (ret < 0) {
tst_brkm(TBROK | TERRNO, cleanup_fn,
"%s:%d: asprintf(%s,...) failed", file, lineno, fmt);
}
return ret;
}
FILE *safe_popen(const char *file, const int lineno, void (cleanup_fn)(void),
const char *command, const char *type)
{
FILE *stream;
const int saved_errno = errno;
errno = 0;
stream = popen(command, type);
if (stream == NULL) {
if (errno != 0) {
tst_brkm(TBROK | TERRNO, cleanup_fn,
"%s:%d: popen(%s,%s) failed",
file, lineno, command, type);
} else {
tst_brkm(TBROK, cleanup_fn,
"%s:%d: popen(%s,%s) failed: Out of memory",
file, lineno, command, type);
}
}
errno = saved_errno;
return stream;
}