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Commit | Line | Data |
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1 | /* | |
2 | * Ported to Linux's Second Extended File System as part of the | |
3 | * dump and restore backup suit | |
4 | * Remy Card <card@Linux.EU.Org>, 1994-1997 | |
5 | * Stelian Pop <pop@cybercable.fr>, 1999 | |
6 | * | |
7 | */ | |
8 | ||
9 | /*- | |
10 | * Copyright (c) 1993 | |
11 | * The Regents of the University of California. All rights reserved. | |
12 | * | |
13 | * Redistribution and use in source and binary forms, with or without | |
14 | * modification, are permitted provided that the following conditions | |
15 | * are met: | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. All advertising materials mentioning features or use of this software | |
22 | * must display the following acknowledgement: | |
23 | * This product includes software developed by the University of | |
24 | * California, Berkeley and its contributors. | |
25 | * 4. Neither the name of the University nor the names of its contributors | |
26 | * may be used to endorse or promote products derived from this software | |
27 | * without specific prior written permission. | |
28 | * | |
29 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
30 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
32 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
33 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
34 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
35 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
36 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
37 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
38 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
39 | * SUCH DAMAGE. | |
40 | * From: @(#)err.c 8.1 (Berkeley) 6/4/93 | |
41 | */ | |
42 | ||
43 | #if defined(LIBC_RCS) && !defined(lint) | |
44 | static const char rcsid[] = | |
45 | "$Id: compaterr.c,v 1.2 1999/10/11 13:08:07 stelian Exp $"; | |
46 | #endif /* LIBC_RCS and not lint */ | |
47 | ||
48 | #include <compaterr.h> | |
49 | #include <errno.h> | |
50 | #include <stdio.h> | |
51 | #include <stdlib.h> | |
52 | #include <string.h> | |
53 | ||
54 | #include <stdarg.h> | |
55 | ||
56 | #include <config.h> | |
57 | ||
58 | extern char *__progname; /* Program name, from crt0. */ | |
59 | ||
60 | #if !defined(HAVE_ERR) || !defined(HAVE_ERRX) || !defined(HAVE_VERR) || !defined(HAVE_VERRX) || !defined(HAVE_VWARN) || !defined(HAVE_VWARNX) || !defined(HAVE_WARN) || !defined(HAVE_WARNX) | |
61 | ||
62 | __BEGIN_DECLS | |
63 | __dead void errc __P((int, int, const char *, ...)); | |
64 | __dead void verrc __P((int, int, const char *, _BSD_VA_LIST_)); | |
65 | void warnc __P((int, const char *, ...)); | |
66 | void vwarnc __P((int, const char *, _BSD_VA_LIST_)); | |
67 | void err_set_file __P((void *)); | |
68 | void err_set_exit __P((void (*)(int))); | |
69 | __END_DECLS | |
70 | ||
71 | static void (*err_exit)(int); | |
72 | ||
73 | static FILE *err_file; /* file to use for error output */ | |
74 | /* | |
75 | * This is declared to take a `void *' so that the caller is not required | |
76 | * to include <stdio.h> first. However, it is really a `FILE *', and the | |
77 | * manual page documents it as such. | |
78 | */ | |
79 | void | |
80 | err_set_file(void *fp) | |
81 | { | |
82 | if (fp) | |
83 | err_file = fp; | |
84 | else | |
85 | err_file = stderr; | |
86 | } | |
87 | ||
88 | void | |
89 | err_set_exit(void (*ef)(int)) | |
90 | { | |
91 | err_exit = ef; | |
92 | } | |
93 | ||
94 | __dead void | |
95 | errc(int eval, int code, const char *fmt, ...) | |
96 | { | |
97 | va_list ap; | |
98 | va_start(ap, fmt); | |
99 | verrc(eval, code, fmt, ap); | |
100 | va_end(ap); | |
101 | } | |
102 | ||
103 | __dead void | |
104 | verrc(int eval, int code, const char *fmt, va_list ap) | |
105 | { | |
106 | if (err_file == 0) | |
107 | err_set_file((FILE *)0); | |
108 | fprintf(err_file, "%s: ", __progname); | |
109 | if (fmt != NULL) { | |
110 | vfprintf(err_file, fmt, ap); | |
111 | fprintf(err_file, ": "); | |
112 | } | |
113 | fprintf(err_file, "%s\n", strerror(code)); | |
114 | if (err_exit) | |
115 | err_exit(eval); | |
116 | exit(eval); | |
117 | } | |
118 | ||
119 | void | |
120 | warnc(int code, const char *fmt, ...) | |
121 | { | |
122 | va_list ap; | |
123 | va_start(ap, fmt); | |
124 | vwarnc(code, fmt, ap); | |
125 | va_end(ap); | |
126 | } | |
127 | ||
128 | void | |
129 | vwarnc(int code, const char *fmt, va_list ap) | |
130 | { | |
131 | if (err_file == 0) | |
132 | err_set_file((FILE *)0); | |
133 | fprintf(err_file, "%s: ", __progname); | |
134 | if (fmt != NULL) { | |
135 | vfprintf(err_file, fmt, ap); | |
136 | fprintf(err_file, ": "); | |
137 | } | |
138 | fprintf(err_file, "%s\n", strerror(code)); | |
139 | } | |
140 | #endif | |
141 | ||
142 | #ifndef HAVE_ERR | |
143 | __dead void | |
144 | err(int eval, const char *fmt, ...) | |
145 | { | |
146 | va_list ap; | |
147 | va_start(ap, fmt); | |
148 | verrc(eval, errno, fmt, ap); | |
149 | va_end(ap); | |
150 | } | |
151 | #endif | |
152 | ||
153 | #ifndef HAVE_VERR | |
154 | __dead void | |
155 | verr(int eval, const char *fmt, va_list ap) | |
156 | { | |
157 | verrc(eval, errno, fmt, ap); | |
158 | } | |
159 | #endif | |
160 | ||
161 | #ifndef HAVE_ERRX | |
162 | __dead void | |
163 | errx(int eval, const char *fmt, ...) | |
164 | { | |
165 | va_list ap; | |
166 | va_start(ap, fmt); | |
167 | verrx(eval, fmt, ap); | |
168 | va_end(ap); | |
169 | } | |
170 | #endif | |
171 | ||
172 | #ifndef HAVE_VERRX | |
173 | __dead void | |
174 | verrx(int eval, const char *fmt, va_list ap) | |
175 | { | |
176 | if (err_file == 0) | |
177 | err_set_file((FILE *)0); | |
178 | fprintf(err_file, "%s: ", __progname); | |
179 | if (fmt != NULL) | |
180 | vfprintf(err_file, fmt, ap); | |
181 | fprintf(err_file, "\n"); | |
182 | if (err_exit) | |
183 | err_exit(eval); | |
184 | exit(eval); | |
185 | } | |
186 | #endif | |
187 | ||
188 | #ifndef HAVE_WARN | |
189 | void | |
190 | warn(const char *fmt, ...) | |
191 | { | |
192 | va_list ap; | |
193 | va_start(ap, fmt); | |
194 | vwarnc(errno, fmt, ap); | |
195 | va_end(ap); | |
196 | } | |
197 | #endif | |
198 | ||
199 | #ifndef HAVE_VWARN | |
200 | void | |
201 | vwarn(const char *fmt, va_list ap) | |
202 | { | |
203 | vwarnc(errno, fmt, ap); | |
204 | } | |
205 | #endif | |
206 | ||
207 | #ifndef HAVE_WARNX | |
208 | void | |
209 | warnx(const char *fmt, ...) | |
210 | { | |
211 | va_list ap; | |
212 | va_start(ap, fmt); | |
213 | vwarnx(fmt, ap); | |
214 | va_end(ap); | |
215 | } | |
216 | #endif | |
217 | ||
218 | #ifndef HAVE_VWARNX | |
219 | void | |
220 | vwarnx(const char *fmt, va_list ap) | |
221 | { | |
222 | if (err_file == 0) | |
223 | err_set_file((FILE *)0); | |
224 | fprintf(err_file, "%s: ", __progname); | |
225 | if (fmt != NULL) | |
226 | vfprintf(err_file, fmt, ap); | |
227 | fprintf(err_file, "\n"); | |
228 | } | |
229 | #endif |