Annotation of mandoc/compat_err.c, Revision 1.3
1.1 schwarze 1: #include "config.h"
2:
3: #if HAVE_ERR
4:
5: int dummy;
6:
7: #else
8:
1.3 ! schwarze 9: /* $Id: compat_err.c,v 1.2 2015/11/06 16:30:33 schwarze Exp $ */
1.1 schwarze 10: /*
11: * Copyright (c) 1993
12: * The Regents of the University of California. All rights reserved.
13: *
14: * Redistribution and use in source and binary forms, with or without
15: * modification, are permitted provided that the following conditions
16: * are met:
17: * 1. Redistributions of source code must retain the above copyright
18: * notice, this list of conditions and the following disclaimer.
19: * 2. Redistributions in binary form must reproduce the above copyright
20: * notice, this list of conditions and the following disclaimer in the
21: * documentation and/or other materials provided with the distribution.
22: * 3. Neither the name of the University nor the names of its contributors
23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: */
38:
39: #include <errno.h>
40: #include <stdarg.h>
41: #include <stdio.h>
42: #include <stdlib.h>
43: #include <string.h>
44:
45: static void vwarni(const char *, va_list);
46: static void vwarnxi(const char *, va_list);
47:
48: static void
49: vwarnxi(const char *fmt, va_list ap)
50: {
1.2 schwarze 51: fprintf(stderr, "%s: ", getprogname());
1.1 schwarze 52: if (fmt != NULL)
53: vfprintf(stderr, fmt, ap);
54: }
55:
56: static void
57: vwarni(const char *fmt, va_list ap)
58: {
59: int sverrno;
60:
61: sverrno = errno;
62: vwarnxi(fmt, ap);
63: if (fmt != NULL)
64: fputs(": ", stderr);
65: fprintf(stderr, "%s\n", strerror(sverrno));
66: }
67:
68: void
69: err(int eval, const char *fmt, ...)
70: {
71: va_list ap;
72:
73: va_start(ap, fmt);
74: vwarni(fmt, ap);
75: va_end(ap);
76: exit(eval);
77: }
78:
79: void
80: warn(const char *fmt, ...)
81: {
82: va_list ap;
83:
84: va_start(ap, fmt);
85: vwarni(fmt, ap);
86: va_end(ap);
87: }
88:
89: void
90: warnx(const char *fmt, ...)
91: {
92: va_list ap;
93:
94: va_start(ap, fmt);
95: vwarnxi(fmt, ap);
96: va_end(ap);
97: fputc('\n', stderr);
98: }
99:
100: #endif
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