1 /* $OpenBSD: debug.c,v 1.1 2013/06/03 16:00:50 tedu Exp $ */ 2 /* 3 * Copyright (c) 2011 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 #include <stdlib.h> 19 #include <unistd.h> 20 21 #include "debug.h" 22 23 #ifdef DEBUG 24 /* 25 * debug level, -1 means uninitialized 26 */ 27 int ifuse_debug = -1; 28 29 void 30 ifuse_debug_init(void) 31 { 32 char *dbg; 33 34 if (ifuse_debug < 0) { 35 dbg = issetugid() ? NULL : getenv("FUSE_DEBUG"); 36 if (!dbg || sscanf(dbg, "%u", &ifuse_debug) != 1) 37 ifuse_debug = 0; 38 } 39 } 40 #endif 41