62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/*
|
|
* BIRD Library
|
|
*
|
|
* (c) 1998--1999 Martin Mares <mj@ucw.cz>
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
#ifndef _BIRD_BIRDLIB_H_
|
|
#define _BIRD_BIRDLIB_H_
|
|
|
|
/* Ugly structure offset handling macros */
|
|
|
|
#define OFFSETOF(s, i) ((unsigned int)&((s *)0)->i)
|
|
#define SKIP_BACK(s, i, p) ((s *)((char *)p - OFFSETOF(s, i)))
|
|
#define ALIGN(s, a) (((s)+a-1)&~(a-1))
|
|
|
|
/* Utility macros */
|
|
|
|
#define MIN(a,b) (((a)<(b))?(a):(b))
|
|
#define MAX(a,b) (((a)>(b))?(a):(b))
|
|
|
|
/* Functions which don't return */
|
|
|
|
#define NORET __attribute__((noreturn))
|
|
|
|
/* Logging and dying */
|
|
|
|
void log(char *msg, ...);
|
|
void die(char *msg, ...) NORET;
|
|
void bug(char *msg, ...) NORET;
|
|
|
|
#define L_DEBUG "\001" /* Debugging messages */
|
|
#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 */
|
|
|
|
void log_init(char *); /* Initialize logging to given file (NULL=stderr, ""=syslog) */
|
|
void log_init_debug(char *); /* Initialize debug dump to given file (NULL=stderr, ""=off) */
|
|
|
|
void debug(char *msg, ...); /* Printf to debug output */
|
|
|
|
/* Debugging */
|
|
|
|
#ifdef LOCAL_DEBUG
|
|
#define DBG(x, y...) debug(x, ##y)
|
|
#else
|
|
#define DBG(x, y...)
|
|
#endif
|
|
|
|
#ifdef DEBUGGING
|
|
#define ASSERT(x) do { if (!(x)) bug("Assertion `%s' failed at %s:%d", #x, __FILE__, __LINE__); } while(0)
|
|
#else
|
|
#define ASSERT(x) do { } while(0)
|
|
#endif
|
|
|
|
#endif
|