1 /*- 2 * Copyright (c) 2004 Michael Bushkov <bushman@rsu.ru> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <stdio.h> 32 #include "debug.h" 33 34 static int trace_level = 0; 35 static int trace_level_bk = 0; 36 37 void 38 __trace_in(const char *s, const char *f, int l) 39 { 40 int i; 41 if (trace_level < TRACE_WANTED) 42 { 43 for (i = 0; i < trace_level; ++i) 44 printf("\t"); 45 46 printf("=> %s\n", s); 47 } 48 49 ++trace_level; 50 } 51 52 void 53 __trace_point(const char *f, int l) 54 { 55 int i; 56 57 if (trace_level < TRACE_WANTED) 58 { 59 for (i = 0; i < trace_level - 1; ++i) 60 printf("\t"); 61 62 printf("= %s: %d\n", f, l); 63 } 64 } 65 66 void 67 __trace_msg(const char *msg, const char *f, int l) 68 { 69 int i; 70 71 if (trace_level < TRACE_WANTED) 72 { 73 for (i = 0; i < trace_level - 1; ++i) 74 printf("\t"); 75 76 printf("= MSG %s, %s: %d\n", msg, f, l); 77 } 78 } 79 80 void 81 __trace_ptr(const char *desc, const void *p, const char *f, int l) 82 { 83 int i; 84 85 if (trace_level < TRACE_WANTED) 86 { 87 for (i = 0; i < trace_level - 1; ++i) 88 printf("\t"); 89 90 printf("= PTR %s: %p, %s: %d\n", desc, p, f, l); 91 } 92 } 93 94 void 95 __trace_int(const char *desc, int i, const char *f, int l) 96 { 97 int j; 98 99 if (trace_level < TRACE_WANTED) 100 { 101 for (j = 0; j < trace_level - 1; ++j) 102 printf("\t"); 103 104 printf("= INT %s: %i, %s: %d\n",desc, i, f, l); 105 } 106 } 107 108 void 109 __trace_str(const char *desc, const char *s, const char *f, int l) 110 { 111 int i; 112 113 if (trace_level < TRACE_WANTED) 114 { 115 for (i = 0; i < trace_level - 1; ++i) 116 printf("\t"); 117 118 printf("= STR %s: '%s', %s: %d\n", desc, s, f, l); 119 } 120 } 121 122 void 123 __trace_out(const char *s, const char *f, int l) 124 { 125 int i; 126 127 --trace_level; 128 if (trace_level < TRACE_WANTED) 129 { 130 for (i = 0; i < trace_level; ++i) 131 printf("\t"); 132 133 printf("<= %s\n", s); 134 } 135 } 136 137 void 138 __trace_on() 139 { 140 trace_level = trace_level_bk; 141 trace_level_bk = 0; 142 } 143 144 void 145 __trace_off() 146 { 147 trace_level_bk = trace_level; 148 trace_level = 1024; 149 } 150