| /* |
| * 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 NULL; |
| } |
| |
| 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; |
| } |