mirror of
https://github.com/kdave/btrfs-progs
synced 2024-12-18 12:25:12 +00:00
146 lines
3.9 KiB
C
146 lines
3.9 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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#include "kerncompat.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.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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__attribute__ ((format (printf, 1, 2)))
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void internal_error(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 LOG_ALWAYS (-1)
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/*
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* Default level for any messages that should be printed by default, a one line
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* summary or with more details. Applications should not rely on such messages.
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*/
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#define LOG_DEFAULT (1)
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/*
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* Information about the ongoing actions, high level description
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*/
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#define LOG_INFO (2)
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/*
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* Verbose description and individual steps of the previous level
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*/
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#define LOG_VERBOSE (3)
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/*
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* Anything that should not be normally printed but can be useful for debugging
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*/
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#define LOG_DEBUG (4)
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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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/*
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* Commonly used errors
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*/
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enum common_error {
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ERROR_MSG_MEMORY,
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ERROR_MSG_START_TRANS,
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ERROR_MSG_COMMIT_TRANS,
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};
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__attribute__ ((format (printf, 2, 3)))
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void error_msg(enum common_error error, const char *msg, ...);
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#endif
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