1 /* $OpenBSD: utils.h,v 1.4 2024/12/22 14:17:45 ratchov Exp $ */ 2 /* 3 * Copyright (c) 2003-2012 Alexandre Ratchov <alex@caoua.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #ifndef UTILS_H 19 #define UTILS_H 20 21 #include <stddef.h> 22 23 #define logx(n, ...) \ 24 do { \ 25 if (log_level >= (n)) \ 26 log_do(__VA_ARGS__); \ 27 } while (0) 28 29 void panic(void); 30 void log_flush(void); 31 void log_do(const char *, ...) __attribute__((__format__ (printf, 1, 2))); 32 33 void *xmalloc(size_t); 34 char *xstrdup(char *); 35 void xfree(void *); 36 37 /* 38 * Log levels: 39 * 40 * 0 - fatal errors: bugs, asserts, internal errors. 41 * 1 - warnings: bugs in clients, failed allocations, non-fatal errors. 42 * 2 - misc information (hardware parameters, incoming clients) 43 * 3 - structural changes (eg. new streams, new parameters ...) 44 * 4 - data blocks and messages 45 */ 46 extern unsigned int log_level; 47 extern unsigned int log_sync; 48 49 #endif 50