btrfs-progs/messages.h

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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#ifndef __BTRFS_MESSAGES_H__
#define __BTRFS_MESSAGES_H__
#ifdef DEBUG_VERBOSE_ERROR
#define PRINT_VERBOSE_ERROR fprintf(stderr, "%s:%d:", __FILE__, __LINE__)
#else
#define PRINT_VERBOSE_ERROR
#endif
#ifdef DEBUG_TRACE_ON_ERROR
#define PRINT_TRACE_ON_ERROR print_trace()
#else
#define PRINT_TRACE_ON_ERROR do { } while (0)
#endif
#ifdef DEBUG_ABORT_ON_ERROR
#define DO_ABORT_ON_ERROR abort()
#else
#define DO_ABORT_ON_ERROR do { } while (0)
#endif
#define error(fmt, ...) \
do { \
PRINT_TRACE_ON_ERROR; \
PRINT_VERBOSE_ERROR; \
__btrfs_error((fmt), ##__VA_ARGS__); \
DO_ABORT_ON_ERROR; \
} while (0)
#define error_on(cond, fmt, ...) \
do { \
if ((cond)) \
PRINT_TRACE_ON_ERROR; \
if ((cond)) \
PRINT_VERBOSE_ERROR; \
__btrfs_error_on((cond), (fmt), ##__VA_ARGS__); \
if ((cond)) \
DO_ABORT_ON_ERROR; \
} while (0)
#define error_btrfs_util(err) \
do { \
const char *errno_str = strerror(errno); \
const char *lib_str = btrfs_util_strerror(err); \
PRINT_TRACE_ON_ERROR; \
PRINT_VERBOSE_ERROR; \
if (lib_str && strcmp(errno_str, lib_str) != 0) \
__btrfs_error("%s: %m", lib_str); \
else \
__btrfs_error("%m"); \
DO_ABORT_ON_ERROR; \
} while (0)
#define warning(fmt, ...) \
do { \
PRINT_TRACE_ON_ERROR; \
PRINT_VERBOSE_ERROR; \
__btrfs_warning((fmt), ##__VA_ARGS__); \
} while (0)
#define warning_on(cond, fmt, ...) \
do { \
if ((cond)) \
PRINT_TRACE_ON_ERROR; \
if ((cond)) \
PRINT_VERBOSE_ERROR; \
__btrfs_warning_on((cond), (fmt), ##__VA_ARGS__); \
} while (0)
__attribute__ ((format (printf, 1, 2)))
void __btrfs_warning(const char *fmt, ...);
__attribute__ ((format (printf, 1, 2)))
void __btrfs_error(const char *fmt, ...);
__attribute__ ((format (printf, 2, 3)))
int __btrfs_warning_on(int condition, const char *fmt, ...);
__attribute__ ((format (printf, 2, 3)))
int __btrfs_error_on(int condition, const char *fmt, ...);
#endif