98e87c8628
#define L_DEBUG "\001" /* Debugging messages */ #define L_INFO "\002" /* Informational messages */ #define L_WARN "\003" /* Warnings */ #define L_ERR "\004" /* Errors */ #define L_AUTH "\005" /* Authorization failed etc. */ #define L_FATAL "\006" /* Fatal errors */ #define L_TRACE "\002" /* Protocol tracing */ #define L_INFO "\003" /* Informational messages */ #define L_REMOTE "\004" /* Remote protocol errors */ #define L_WARN "\004" /* Local warnings */ #define L_ERR "\005" /* Local errors */ #define L_AUTH "\006" /* Authorization failed etc. */ #define L_FATAL "\007" /* Fatal errors */ #define L_BUG "\010" /* BIRD bugs */ Introduced bug() which is like die(), but with level L_BUG. Protocols should _never_ call die() as it should be used only during initialization and on irrecoverable catastrophic events like out of memory. Also introduced ASSERT() which behaves like normal assert(), but it calls bug() when assertion fails. When !defined(DEBUGGING), it gets ignored.
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/*
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* BIRD Library
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*
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* (c) 1998 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_BIRDLIB_H_
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#define _BIRD_BIRDLIB_H_
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/* Ugly structure offset handling macros */
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#define OFFSETOF(s, i) ((unsigned int)&((s *)0)->i)
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#define SKIP_BACK(s, i, p) ((s *)((char *)p - OFFSETOF(s, i)))
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#define ALIGN(s, a) (((s)+a-1)&~(a-1))
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/* Utility-Macros */
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#define MIN(a,b) ((a<b)?a:b)
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#define MAX(a,b) ((a>b)?a:b)
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/* Functions which don't return */
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#define NORET __attribute__((noreturn))
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/* Logging and dying */
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void log(char *msg, ...);
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void die(char *msg, ...) NORET;
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void bug(char *msg, ...) NORET;
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#define L_DEBUG "\001" /* Debugging messages */
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#define L_TRACE "\002" /* Protocol tracing */
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#define L_INFO "\003" /* Informational messages */
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#define L_REMOTE "\004" /* Remote protocol errors */
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#define L_WARN "\004" /* Local warnings */
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#define L_ERR "\005" /* Local errors */
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#define L_AUTH "\006" /* Authorization failed etc. */
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#define L_FATAL "\007" /* Fatal errors */
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#define L_BUG "\010" /* BIRD bugs */
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void log_init(char *); /* Initialize logging to given file (NULL=stderr, ""=syslog) */
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void log_init_debug(char *); /* Initialize debug dump to given file (NULL=stderr, ""=off) */
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void debug(char *msg, ...); /* Printf to debug output */
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/* Debugging */
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#ifdef LOCAL_DEBUG
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#define DBG(x, y...) debug(x, ##y)
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#else
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#define DBG(x, y...)
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#endif
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#ifdef DEBUGGING
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#define ASSERT(x) do { if (!(x)) bug("Assertion `%s' failed at %s:%d", #x, __FILE__, __LINE__); } while(0)
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#else
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#define ASSERT(x) do { } while(0)
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#endif
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#endif
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