102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/*
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* Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#define _GNU_SOURCE
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#include <stdarg.h>
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#include <stdio.h>
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#include <errno.h>
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#include "test.h"
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#include "safe_stdio_fn.h"
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FILE *safe_fopen(const char *file, const int lineno, void (cleanup_fn)(void),
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const char *path, const char *mode)
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{
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FILE *f = fopen(path, mode);
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if (f == NULL) {
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tst_brkm_(file, lineno, TBROK | TERRNO, cleanup_fn,
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"fopen(%s,%s) failed", path, mode);
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}
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return f;
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}
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int safe_fclose(const char *file, const int lineno, void (cleanup_fn)(void),
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FILE *f)
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{
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int ret;
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ret = fclose(f);
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if (ret == EOF) {
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tst_brkm_(file, lineno, TBROK | TERRNO, cleanup_fn,
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"fclose(%p) failed", f);
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} else if (ret) {
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tst_brkm_(file, lineno, TBROK | TERRNO, cleanup_fn,
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"Invalid fclose(%p) return value %d", f, ret);
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}
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return ret;
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}
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int safe_asprintf(const char *file, const int lineno, void (cleanup_fn)(void),
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char **strp, const char *fmt, ...)
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{
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int ret;
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va_list va;
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va_start(va, fmt);
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ret = vasprintf(strp, fmt, va);
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va_end(va);
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if (ret == -1) {
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tst_brkm_(file, lineno, TBROK | TERRNO, cleanup_fn,
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"asprintf(%s,...) failed", fmt);
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} else if (ret < 0) {
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tst_brkm_(file, lineno, TBROK | TERRNO, cleanup_fn,
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"Invalid asprintf(%s,...) return value %d", fmt, ret);
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}
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return ret;
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}
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FILE *safe_popen(const char *file, const int lineno, void (cleanup_fn)(void),
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const char *command, const char *type)
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{
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FILE *stream;
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const int saved_errno = errno;
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errno = 0;
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stream = popen(command, type);
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if (stream == NULL) {
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if (errno != 0) {
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tst_brkm_(file, lineno, TBROK | TERRNO, cleanup_fn,
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"popen(%s,%s) failed", command, type);
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} else {
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tst_brkm_(file, lineno, TBROK, cleanup_fn,
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"popen(%s,%s) failed: Out of memory",
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command, type);
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}
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}
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errno = saved_errno;
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return stream;
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}
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