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1479465f GJ |
1 | /* |
2 | * libdpkg - Debian packaging suite library routines | |
3 | * string.h - string handling routines | |
4 | * | |
5 | * Copyright © 2008-2015 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 | #ifndef LIBDPKG_STRING_H | |
22 | #define LIBDPKG_STRING_H | |
23 | ||
24 | #include <stddef.h> | |
25 | #include <stdbool.h> | |
26 | ||
27 | #include <dpkg/macros.h> | |
28 | ||
29 | DPKG_BEGIN_DECLS | |
30 | ||
31 | /** | |
32 | * @defgroup string String handling | |
33 | * @ingroup dpkg-internal | |
34 | * @{ | |
35 | */ | |
36 | ||
37 | /** | |
38 | * Check if a string is either NULL or empty. | |
39 | */ | |
40 | static inline bool | |
41 | str_is_unset(const char *str) | |
42 | { | |
43 | return str == NULL || str[0] == '\0'; | |
44 | } | |
45 | ||
46 | /** | |
47 | * Check if a string has content. | |
48 | */ | |
49 | static inline bool | |
50 | str_is_set(const char *str) | |
51 | { | |
52 | return str != NULL && str[0] != '\0'; | |
53 | } | |
54 | ||
55 | bool str_match_end(const char *str, const char *end); | |
56 | ||
57 | unsigned int str_fnv_hash(const char *str); | |
58 | ||
59 | char *str_fmt(const char *fmt, ...) DPKG_ATTR_PRINTF(1); | |
60 | char *str_escape_fmt(char *dest, const char *src, size_t n); | |
61 | char *str_quote_meta(const char *src); | |
62 | char *str_strip_quotes(char *str); | |
63 | ||
64 | struct str_crop_info { | |
65 | int str_bytes; | |
66 | int max_bytes; | |
67 | }; | |
68 | ||
69 | int str_width(const char *str); | |
70 | void str_gen_crop(const char *str, int max_width, struct str_crop_info *crop); | |
71 | ||
72 | /** @} */ | |
73 | ||
74 | DPKG_END_DECLS | |
75 | ||
76 | #endif /* LIBDPKG_STRING_H */ |