1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * trace.c
28 *
29 * XCurses Library
30 *
31 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All right reserved.
32 *
33 */
34
35 #ifdef M_RCSID
36 #ifndef lint
37 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/trace.c 1.3 1995/06/12 20:24:05 ant Exp $";
38 #endif
39 #endif
40
41 #include <private.h>
42 #include <fcntl.h>
43 #include <string.h>
44 #include <stdarg.h>
45 #include <stdlib.h>
46
47 static int __m_tracing = FALSE;
48
49 /*f
50 * Write a formatted string into a trace file.
51 */
52 void
__m_trace(const char * fmt,...)53 __m_trace(const char *fmt, ...)
54 {
55 va_list vp;
56 static FILE *fp;
57 static int initialized = FALSE;
58
59 if (!__m_tracing)
60 return;
61
62 if (!initialized) {
63 fp = fopen("trace.out", "wF");
64 if (fp == (FILE *) 0) {
65 fprintf(stderr, "Program cannot open \"trace.out\".\n");
66 exit(1);
67 }
68 initialized = TRUE;
69 }
70
71 va_start(vp, fmt);
72 (void) vfprintf(fp, fmt, vp);
73 va_end(vp);
74 fputc('\n', fp);
75 }
76
77 int
78 (__m_return_code)(const char *s, int code)
79 {
80 switch (code) {
81 case OK:
82 __m_trace("%s returned OK.", s);
83 break;
84 case ERR:
85 __m_trace("%s returned ERR.", s);
86 break;
87 case KEY_CODE_YES:
88 __m_trace("%s returned KEY_CODE_YES.", s);
89 break;
90 default:
91 __m_trace("%s returned code %d", s, code);
92 }
93
94 return code;
95 }
96
97 int
98 (__m_return_int)(const char *s, int value)
99 {
100 __m_trace("%s returned %d", s, value);
101
102 return value;
103 }
104
chtype(__m_return_chtype)105 chtype
106 (__m_return_chtype)(const char *s, chtype ch)
107 {
108 __m_trace("%s returned %lx", s, ch);
109
110 return ch;
111 }
112
113 void *
114 (__m_return_pointer)(const char *s, const void *ptr)
115 {
116 if (ptr == (void *) 0)
117 __m_trace("%s returned NULL.", s);
118 else
119 __m_trace("%s returned %p.", s, ptr);
120
121 return (void *) ptr;
122 }
123
124 #undef __m_return_void
125
126 void
__m_return_void(const char * s)127 __m_return_void(const char *s)
128 {
129 __m_trace("%s returns void.");
130 }
131
132 /*f
133 * Turn tracing on
134 */
135 void
traceon()136 traceon()
137 {
138 __m_tracing = TRUE;
139 __m_trace("traceon()\ntraceon() returns void.");
140 }
141
142 /*f
143 * Turn tracing off
144 */
145 void
traceoff()146 traceoff()
147 {
148 __m_trace("traceoff()\ntraceoff() returns void.");
149 __m_tracing = FALSE;
150 }
151
152