79bb50787a
For backward compatibility with tools that may rely on the messages we need a special level to print the message unless the verbosity settings haven't been set on command line. Signed-off-by: David Sterba <dsterba@suse.com>
109 lines
3 KiB
C
109 lines
3 KiB
C
/*
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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
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will 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 GNU
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* 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
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __BTRFS_MESSAGES_H__
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#define __BTRFS_MESSAGES_H__
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#ifdef DEBUG_VERBOSE_ERROR
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#define PRINT_VERBOSE_ERROR fprintf(stderr, "%s:%d:", __FILE__, __LINE__)
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#else
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#define PRINT_VERBOSE_ERROR
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#endif
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#ifdef DEBUG_TRACE_ON_ERROR
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#define PRINT_TRACE_ON_ERROR print_trace()
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#else
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#define PRINT_TRACE_ON_ERROR do { } while (0)
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#endif
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#ifdef DEBUG_ABORT_ON_ERROR
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#define DO_ABORT_ON_ERROR abort()
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#else
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#define DO_ABORT_ON_ERROR do { } while (0)
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#endif
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#define error(fmt, ...) \
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do { \
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PRINT_TRACE_ON_ERROR; \
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PRINT_VERBOSE_ERROR; \
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__btrfs_error((fmt), ##__VA_ARGS__); \
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DO_ABORT_ON_ERROR; \
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} while (0)
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#define error_on(cond, fmt, ...) \
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do { \
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if ((cond)) \
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PRINT_TRACE_ON_ERROR; \
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if ((cond)) \
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PRINT_VERBOSE_ERROR; \
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__btrfs_error_on((cond), (fmt), ##__VA_ARGS__); \
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if ((cond)) \
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DO_ABORT_ON_ERROR; \
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} while (0)
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#define error_btrfs_util(err) \
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do { \
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const char *errno_str = strerror(errno); \
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const char *lib_str = btrfs_util_strerror(err); \
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PRINT_TRACE_ON_ERROR; \
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PRINT_VERBOSE_ERROR; \
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if (lib_str && strcmp(errno_str, lib_str) != 0) \
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__btrfs_error("%s: %m", lib_str); \
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else \
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__btrfs_error("%m"); \
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DO_ABORT_ON_ERROR; \
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} while (0)
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#define warning(fmt, ...) \
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do { \
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PRINT_TRACE_ON_ERROR; \
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PRINT_VERBOSE_ERROR; \
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__btrfs_warning((fmt), ##__VA_ARGS__); \
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} while (0)
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#define warning_on(cond, fmt, ...) \
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do { \
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if ((cond)) \
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PRINT_TRACE_ON_ERROR; \
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if ((cond)) \
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PRINT_VERBOSE_ERROR; \
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__btrfs_warning_on((cond), (fmt), ##__VA_ARGS__); \
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} while (0)
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__attribute__ ((format (printf, 1, 2)))
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void __btrfs_warning(const char *fmt, ...);
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__attribute__ ((format (printf, 1, 2)))
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void __btrfs_error(const char *fmt, ...);
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__attribute__ ((format (printf, 2, 3)))
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int __btrfs_warning_on(int condition, const char *fmt, ...);
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__attribute__ ((format (printf, 2, 3)))
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int __btrfs_error_on(int condition, const char *fmt, ...);
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/*
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* Level of messages that must be printed by default (in case the verbosity
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* options haven't been set by the user) due to backward compatibility reasons
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* where applications may expect the output.
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*/
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#define MUST_LOG -1
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__attribute__ ((format (printf, 2, 3)))
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void pr_verbose(int level, const char *fmt, ...);
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#endif
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