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 #pragma ident "%Z%%M% %I% %E% SMI"
27
28 /*
29 * trace.c
30 *
31 * XCurses Library
32 *
33 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All right reserved.
34 *
35 */
36
37 #ifdef M_RCSID
38 #ifndef lint
39 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/trace.c 1.3 1995/06/12 20:24:05 ant Exp $";
40 #endif
41 #endif
42
43 #include <private.h>
44 #include <fcntl.h>
45 #include <string.h>
46 #include <stdarg.h>
47 #include <stdlib.h>
48
49 static int __m_tracing = FALSE;
50
51 /*f
52 * Write a formatted string into a trace file.
53 */
54 void
__m_trace(const char * fmt,...)55 __m_trace(const char *fmt, ...)
56 {
57 va_list vp;
58 static FILE *fp;
59 static int initialized = FALSE;
60
61 if (!__m_tracing)
62 return;
63
64 if (!initialized) {
65 fp = fopen("trace.out", "wF");
66 if (fp == (FILE *) 0) {
67 fprintf(stderr, "Program cannot open \"trace.out\".\n");
68 exit(1);
69 }
70 initialized = TRUE;
71 }
72
73 va_start(vp, fmt);
74 (void) vfprintf(fp, fmt, vp);
75 va_end(vp);
76 fputc('\n', fp);
77 }
78
79 int
80 (__m_return_code)(const char *s, int code)
81 {
82 switch (code) {
83 case OK:
84 __m_trace("%s returned OK.", s);
85 break;
86 case ERR:
87 __m_trace("%s returned ERR.", s);
88 break;
89 case KEY_CODE_YES:
90 __m_trace("%s returned KEY_CODE_YES.", s);
91 break;
92 default:
93 __m_trace("%s returned code %d", s, code);
94 }
95
96 return code;
97 }
98
99 int
100 (__m_return_int)(const char *s, int value)
101 {
102 __m_trace("%s returned %d", s, value);
103
104 return value;
105 }
106
chtype(__m_return_chtype)107 chtype
108 (__m_return_chtype)(const char *s, chtype ch)
109 {
110 __m_trace("%s returned %lx", s, ch);
111
112 return ch;
113 }
114
115 void *
116 (__m_return_pointer)(const char *s, const void *ptr)
117 {
118 if (ptr == (void *) 0)
119 __m_trace("%s returned NULL.", s);
120 else
121 __m_trace("%s returned %p.", s, ptr);
122
123 return (void *) ptr;
124 }
125
126 #undef __m_return_void
127
128 void
__m_return_void(const char * s)129 __m_return_void(const char *s)
130 {
131 __m_trace("%s returns void.");
132 }
133
134 /*f
135 * Turn tracing on
136 */
137 void
traceon()138 traceon()
139 {
140 __m_tracing = TRUE;
141 __m_trace("traceon()\ntraceon() returns void.");
142 }
143
144 /*f
145 * Turn tracing off
146 */
147 void
traceoff()148 traceoff()
149 {
150 __m_trace("traceoff()\ntraceoff() returns void.");
151 __m_tracing = FALSE;
152 }
153
154