Annotation of mandoc/compat_err.c, Revision 1.5
1.5 ! schwarze 1: /* $Id: compat_err.c,v 1.4 2015/11/26 07:42:11 schwarze Exp $ */
1.1 schwarze 2: /*
3: * Copyright (c) 1993
4: * The Regents of the University of California. All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: * 3. Neither the name of the University nor the names of its contributors
15: * may be used to endorse or promote products derived from this software
16: * without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28: * SUCH DAMAGE.
29: */
1.5 ! schwarze 30: #include "config.h"
1.1 schwarze 31:
32: #include <errno.h>
33: #include <stdarg.h>
34: #include <stdio.h>
35: #include <stdlib.h>
36: #include <string.h>
37:
38: static void vwarni(const char *, va_list);
39: static void vwarnxi(const char *, va_list);
40:
41: static void
42: vwarnxi(const char *fmt, va_list ap)
43: {
1.2 schwarze 44: fprintf(stderr, "%s: ", getprogname());
1.1 schwarze 45: if (fmt != NULL)
46: vfprintf(stderr, fmt, ap);
47: }
48:
49: static void
50: vwarni(const char *fmt, va_list ap)
51: {
52: int sverrno;
53:
54: sverrno = errno;
55: vwarnxi(fmt, ap);
56: if (fmt != NULL)
57: fputs(": ", stderr);
58: fprintf(stderr, "%s\n", strerror(sverrno));
59: }
60:
61: void
62: err(int eval, const char *fmt, ...)
63: {
64: va_list ap;
65:
66: va_start(ap, fmt);
67: vwarni(fmt, ap);
68: va_end(ap);
1.4 schwarze 69: exit(eval);
70: }
71:
72: void
73: errx(int eval, const char *fmt, ...)
74: {
75: va_list ap;
76:
77: va_start(ap, fmt);
78: vwarnxi(fmt, ap);
79: va_end(ap);
80: fputc('\n', stderr);
1.1 schwarze 81: exit(eval);
82: }
83:
84: void
85: warn(const char *fmt, ...)
86: {
87: va_list ap;
88:
89: va_start(ap, fmt);
90: vwarni(fmt, ap);
91: va_end(ap);
92: }
93:
94: void
95: warnx(const char *fmt, ...)
96: {
97: va_list ap;
98:
99: va_start(ap, fmt);
100: vwarnxi(fmt, ap);
101: va_end(ap);
102: fputc('\n', stderr);
103: }
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