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Commit | Line | Data |
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a2635361 | 1 | /* 4.4BSD utility functions for error messages. |
2b778ceb | 2 | Copyright (C) 1995-2021 Free Software Foundation, Inc. |
47707456 | 3 | This file is part of the GNU C Library. |
196980f5 | 4 | |
47707456 | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
196980f5 | 9 | |
47707456 UD |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
196980f5 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
196980f5 RM |
18 | |
19 | #include <stdarg.h> | |
20 | #include <err.h> | |
21 | #include <stdlib.h> | |
755f55b0 RM |
22 | #include <errno.h> |
23 | #include <string.h> | |
196980f5 RM |
24 | #include <stdio.h> |
25 | ||
3ce1f295 UD |
26 | #include <wchar.h> |
27 | #define flockfile(s) _IO_flockfile (s) | |
28 | #define funlockfile(s) _IO_funlockfile (s) | |
50304ef0 | 29 | |
196980f5 RM |
30 | extern char *__progname; |
31 | ||
32 | #define VA(call) \ | |
33 | { \ | |
34 | va_list ap; \ | |
35 | va_start (ap, format); \ | |
36 | call; \ | |
37 | va_end (ap); \ | |
38 | } | |
39 | ||
40 | void | |
f43b8dd5 GG |
41 | __vwarnx_internal (const char *format, __gnuc_va_list ap, |
42 | unsigned int mode_flags) | |
196980f5 | 43 | { |
50304ef0 | 44 | flockfile (stderr); |
fdb16de3 FW |
45 | __fxprintf (stderr, "%s: ", __progname); |
46 | if (format != NULL) | |
f43b8dd5 | 47 | __vfxprintf (stderr, format, ap, mode_flags); |
fdb16de3 | 48 | __fxprintf (stderr, "\n"); |
50304ef0 | 49 | funlockfile (stderr); |
196980f5 RM |
50 | } |
51 | ||
52 | void | |
f43b8dd5 GG |
53 | __vwarn_internal (const char *format, __gnuc_va_list ap, |
54 | unsigned int mode_flags) | |
196980f5 | 55 | { |
755f55b0 RM |
56 | int error = errno; |
57 | ||
50304ef0 | 58 | flockfile (stderr); |
fdb16de3 | 59 | if (format != NULL) |
a2635361 | 60 | { |
fdb16de3 | 61 | __fxprintf (stderr, "%s: ", __progname); |
f43b8dd5 | 62 | __vfxprintf (stderr, format, ap, mode_flags); |
a2635361 | 63 | __set_errno (error); |
fdb16de3 | 64 | __fxprintf (stderr, ": %m\n"); |
a2635361 UD |
65 | } |
66 | else | |
755f55b0 | 67 | { |
a2635361 | 68 | __set_errno (error); |
fdb16de3 | 69 | __fxprintf (stderr, "%s: %m\n", __progname); |
755f55b0 | 70 | } |
50304ef0 | 71 | funlockfile (stderr); |
196980f5 | 72 | } |
f43b8dd5 GG |
73 | |
74 | void | |
75 | vwarn (const char *format, __gnuc_va_list ap) | |
76 | { | |
77 | __vwarn_internal (format, ap, 0); | |
78 | } | |
df962917 | 79 | libc_hidden_def (vwarn) |
196980f5 | 80 | |
f43b8dd5 GG |
81 | void |
82 | vwarnx (const char *format, __gnuc_va_list ap) | |
83 | { | |
84 | __vwarnx_internal (format, ap, 0); | |
85 | } | |
86 | libc_hidden_def (vwarnx) | |
196980f5 RM |
87 | |
88 | void | |
89 | warn (const char *format, ...) | |
90 | { | |
91 | VA (vwarn (format, ap)) | |
92 | } | |
a757607d | 93 | libc_hidden_def (warn) |
196980f5 RM |
94 | |
95 | void | |
96 | warnx (const char *format, ...) | |
97 | { | |
98 | VA (vwarnx (format, ap)) | |
99 | } | |
a757607d | 100 | libc_hidden_def (warnx) |
196980f5 RM |
101 | |
102 | void | |
103 | verr (int status, const char *format, __gnuc_va_list ap) | |
104 | { | |
105 | vwarn (format, ap); | |
106 | exit (status); | |
107 | } | |
a757607d | 108 | libc_hidden_def (verr) |
196980f5 RM |
109 | |
110 | void | |
111 | verrx (int status, const char *format, __gnuc_va_list ap) | |
112 | { | |
113 | vwarnx (format, ap); | |
114 | exit (status); | |
115 | } | |
a757607d | 116 | libc_hidden_def (verrx) |
196980f5 RM |
117 | |
118 | void | |
119 | err (int status, const char *format, ...) | |
120 | { | |
121 | VA (verr (status, format, ap)) | |
122 | } | |
123 | ||
124 | void | |
125 | errx (int status, const char *format, ...) | |
126 | { | |
127 | VA (verrx (status, format, ap)) | |
128 | } |