From bb104f5bce93f669a2daf8e2bf82f63be7c3b729 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Wed, 1 Feb 2017 16:14:06 +0100 Subject: btrfs-progs: move message helpers out of utils Signed-off-by: David Sterba --- messages.h | 131 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 messages.h (limited to 'messages.h') diff --git a/messages.h b/messages.h new file mode 100644 index 00000000..fa00ff49 --- /dev/null +++ b/messages.h @@ -0,0 +1,131 @@ +/* + * 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__ + +#if DEBUG_VERBOSE_ERROR +#define PRINT_VERBOSE_ERROR fprintf(stderr, "%s:%d:", __FILE__, __LINE__) +#else +#define PRINT_VERBOSE_ERROR +#endif + +#if DEBUG_TRACE_ON_ERROR +#define PRINT_TRACE_ON_ERROR print_trace() +#else +#define PRINT_TRACE_ON_ERROR +#endif + +#if DEBUG_ABORT_ON_ERROR +#define DO_ABORT_ON_ERROR abort() +#else +#define DO_ABORT_ON_ERROR +#endif + +#define error(fmt, ...) \ + do { \ + PRINT_TRACE_ON_ERROR; \ + PRINT_VERBOSE_ERROR; \ + __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; \ + __error_on((cond), (fmt), ##__VA_ARGS__); \ + if ((cond)) \ + DO_ABORT_ON_ERROR; \ + } while (0) + +#define warning(fmt, ...) \ + do { \ + PRINT_TRACE_ON_ERROR; \ + PRINT_VERBOSE_ERROR; \ + __warning((fmt), ##__VA_ARGS__); \ + } while (0) + +#define warning_on(cond, fmt, ...) \ + do { \ + if ((cond)) \ + PRINT_TRACE_ON_ERROR; \ + if ((cond)) \ + PRINT_VERBOSE_ERROR; \ + __warning_on((cond), (fmt), ##__VA_ARGS__); \ + } while (0) + +__attribute__ ((format (printf, 1, 2))) +static inline void __warning(const char *fmt, ...) +{ + va_list args; + + fputs("WARNING: ", stderr); + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); + fputc('\n', stderr); +} + +__attribute__ ((format (printf, 1, 2))) +static inline void __error(const char *fmt, ...) +{ + va_list args; + + fputs("ERROR: ", stderr); + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); + fputc('\n', stderr); +} + +__attribute__ ((format (printf, 2, 3))) +static inline int __warning_on(int condition, const char *fmt, ...) +{ + va_list args; + + if (!condition) + return 0; + + fputs("WARNING: ", stderr); + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); + fputc('\n', stderr); + + return 1; +} + +__attribute__ ((format (printf, 2, 3))) +static inline int __error_on(int condition, const char *fmt, ...) +{ + va_list args; + + if (!condition) + return 0; + + fputs("ERROR: ", stderr); + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); + fputc('\n', stderr); + + return 1; +} + +#endif -- cgit v1.2.3