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1479465f GJ |
1 | /* |
2 | * libdpkg - Debian packaging suite library routines | |
3 | * error.c - error message reporting | |
4 | * | |
5 | * Copyright © 2011-2015 Guillem Jover <guillem@debian.org> | |
6 | * | |
7 | * This is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #include <config.h> | |
22 | #include <compat.h> | |
23 | ||
24 | #include <errno.h> | |
25 | #include <string.h> | |
26 | #include <stdlib.h> | |
27 | ||
28 | #include <dpkg/dpkg.h> | |
29 | #include <dpkg/varbuf.h> | |
30 | #include <dpkg/error.h> | |
31 | ||
32 | static void DPKG_ATTR_VPRINTF(3) | |
33 | dpkg_error_set(struct dpkg_error *err, int type, const char *fmt, va_list args) | |
34 | { | |
35 | struct varbuf str = VARBUF_INIT; | |
36 | ||
37 | if (err == NULL) | |
38 | return; | |
39 | ||
40 | err->type = type; | |
41 | ||
42 | varbuf_vprintf(&str, fmt, args); | |
43 | err->str = str.buf; | |
44 | } | |
45 | ||
46 | int | |
47 | dpkg_put_warn(struct dpkg_error *err, const char *fmt, ...) | |
48 | { | |
49 | va_list args; | |
50 | ||
51 | va_start(args, fmt); | |
52 | dpkg_error_set(err, DPKG_MSG_WARN, fmt, args); | |
53 | va_end(args); | |
54 | ||
55 | return -1; | |
56 | } | |
57 | ||
58 | int | |
59 | dpkg_put_error(struct dpkg_error *err, const char *fmt, ...) | |
60 | { | |
61 | va_list args; | |
62 | ||
63 | va_start(args, fmt); | |
64 | dpkg_error_set(err, DPKG_MSG_ERROR, fmt, args); | |
65 | va_end(args); | |
66 | ||
67 | return -1; | |
68 | } | |
69 | ||
70 | int | |
71 | dpkg_put_errno(struct dpkg_error *err, const char *fmt, ...) | |
72 | { | |
73 | va_list args; | |
74 | char *new_fmt; | |
75 | ||
76 | new_fmt = str_fmt("%s (%s)", fmt, strerror(errno)); | |
77 | ||
78 | va_start(args, fmt); | |
79 | dpkg_error_set(err, DPKG_MSG_ERROR, new_fmt, args); | |
80 | va_end(args); | |
81 | ||
82 | free(new_fmt); | |
83 | ||
84 | return -1; | |
85 | } | |
86 | ||
87 | void | |
88 | dpkg_error_print(struct dpkg_error *err, const char *fmt, ...) | |
89 | { | |
90 | va_list args; | |
91 | char *str; | |
92 | ||
93 | va_start(args, fmt); | |
94 | m_vasprintf(&str, fmt, args); | |
95 | va_end(args); | |
96 | ||
97 | if (err->type == DPKG_MSG_WARN) | |
98 | warning("%s: %s", str, err->str); | |
99 | else | |
100 | ohshit("%s: %s", str, err->str); | |
101 | ||
102 | free(str); | |
103 | } | |
104 | ||
105 | void | |
106 | dpkg_error_destroy(struct dpkg_error *err) | |
107 | { | |
108 | err->type = DPKG_MSG_NONE; | |
109 | free(err->str); | |
110 | err->str = NULL; | |
111 | } |