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48 lines
1.2 KiB
C
48 lines
1.2 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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/* 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, ...) __attribute__((format(printf,1,2)));
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void die(char *msg, ...) __attribute__((format(printf,1,2))) NORET;
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#define L_DEBUG "\001" /* Debugging messages */
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#define L_INFO "\002" /* Informational messages */
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#define L_WARN "\003" /* Warnings */
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#define L_ERR "\004" /* Errors */
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#define L_AUTH "\005" /* Authorization failed etc. */
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#define L_FATAL "\006" /* Fatal errors */
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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...) log(L_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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#endif
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