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Commit | Line | Data |
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faeb1b64 KZ |
1 | /* |
2 | * No copyright is claimed. This code is in the public domain; do with | |
3 | * it what you wish. | |
4 | */ | |
e21e6d26 KZ |
5 | #ifndef UTIL_LINUX_PATH_H |
6 | #define UTIL_LINUX_PATH_H | |
7 | ||
8148217b | 8 | #include <stdio.h> |
37a5c7ee | 9 | #include <stdint.h> |
b2a1a691 | 10 | #include <sys/stat.h> |
1ed21c80 KZ |
11 | #include <sys/types.h> |
12 | #include <dirent.h> | |
13 | ||
2cb147e0 KZ |
14 | #include "c.h" |
15 | ||
1ed21c80 KZ |
16 | struct path_cxt { |
17 | int dir_fd; | |
18 | char *dir_path; | |
19 | ||
20 | int refcount; | |
21 | ||
22 | char *prefix; | |
23 | char path_buffer[PATH_MAX]; | |
24 | ||
25 | void *dialect; | |
26 | void (*free_dialect)(struct path_cxt *); | |
27 | int (*redirect_on_enoent)(struct path_cxt *, const char *, int *); | |
28 | }; | |
29 | ||
f5771a08 KZ |
30 | struct path_cxt *ul_new_path(const char *dir, ...) |
31 | __attribute__ ((__format__ (__printf__, 1, 2))); | |
1ed21c80 KZ |
32 | void ul_unref_path(struct path_cxt *pc); |
33 | void ul_ref_path(struct path_cxt *pc); | |
34 | ||
bcf445fd KZ |
35 | void ul_path_init_debug(void); |
36 | ||
1ed21c80 KZ |
37 | int ul_path_set_prefix(struct path_cxt *pc, const char *prefix); |
38 | const char *ul_path_get_prefix(struct path_cxt *pc); | |
39 | ||
40 | int ul_path_set_dir(struct path_cxt *pc, const char *dir); | |
41 | const char *ul_path_get_dir(struct path_cxt *pc); | |
42 | ||
43 | int ul_path_set_dialect(struct path_cxt *pc, void *data, void free_data(struct path_cxt *)); | |
44 | void *ul_path_get_dialect(struct path_cxt *pc); | |
45 | ||
46 | int ul_path_set_enoent_redirect(struct path_cxt *pc, int (*func)(struct path_cxt *, const char *, int *)); | |
47 | int ul_path_get_dirfd(struct path_cxt *pc); | |
c9ea91d4 KZ |
48 | void ul_path_close_dirfd(struct path_cxt *pc); |
49 | int ul_path_isopen_dirfd(struct path_cxt *pc); | |
655d736d | 50 | int ul_path_is_accessible(struct path_cxt *pc); |
1ed21c80 | 51 | |
e74e5401 KZ |
52 | char *ul_path_get_abspath(struct path_cxt *pc, char *buf, size_t bufsz, const char *path, ...) |
53 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
54 | ||
db9ad223 | 55 | int ul_path_stat(struct path_cxt *pc, struct stat *sb, int flags, const char *path); |
1ed21c80 KZ |
56 | int ul_path_access(struct path_cxt *pc, int mode, const char *path); |
57 | int ul_path_accessf(struct path_cxt *pc, int mode, const char *path, ...) | |
58 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
59 | ||
60 | int ul_path_open(struct path_cxt *pc, int flags, const char *path); | |
61 | int ul_path_openf(struct path_cxt *pc, int flags, const char *path, ...) | |
62 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
f5771a08 KZ |
63 | int ul_path_vopenf(struct path_cxt *pc, int flags, const char *path, va_list ap) |
64 | __attribute__ ((__format__ (__printf__, 3, 0))); | |
1ed21c80 KZ |
65 | |
66 | FILE *ul_path_fopen(struct path_cxt *pc, const char *mode, const char *path); | |
67 | FILE *ul_path_fopenf(struct path_cxt *pc, const char *mode, const char *path, ...) | |
68 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
f5771a08 KZ |
69 | FILE *ul_path_vfopenf(struct path_cxt *pc, const char *mode, const char *path, va_list ap) |
70 | __attribute__ ((__format__ (__printf__, 3, 0))); | |
1ed21c80 KZ |
71 | |
72 | DIR *ul_path_opendir(struct path_cxt *pc, const char *path); | |
f5771a08 KZ |
73 | DIR *ul_path_vopendirf(struct path_cxt *pc, const char *path, va_list ap) |
74 | __attribute__ ((__format__ (__printf__, 2, 0))); | |
1ed21c80 KZ |
75 | DIR *ul_path_opendirf(struct path_cxt *pc, const char *path, ...) |
76 | __attribute__ ((__format__ (__printf__, 2, 3))); | |
77 | ||
78 | ssize_t ul_path_readlink(struct path_cxt *pc, char *buf, size_t bufsiz, const char *path); | |
79 | ssize_t ul_path_readlinkf(struct path_cxt *pc, char *buf, size_t bufsiz, const char *path, ...) | |
80 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
81 | ||
82 | int ul_path_read(struct path_cxt *pc, char *buf, size_t len, const char *path); | |
f5771a08 KZ |
83 | int ul_path_vreadf(struct path_cxt *pc, char *buf, size_t len, const char *path, va_list ap) |
84 | __attribute__ ((__format__ (__printf__, 4, 0))); | |
1ed21c80 KZ |
85 | int ul_path_readf(struct path_cxt *pc, char *buf, size_t len, const char *path, ...) |
86 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
87 | ||
88 | int ul_path_read_string(struct path_cxt *pc, char **str, const char *path); | |
89 | int ul_path_readf_string(struct path_cxt *pc, char **str, const char *path, ...) | |
90 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
91 | ||
7eb8e47b KZ |
92 | int ul_path_read_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path); |
93 | int ul_path_readf_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path, ...) | |
94 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
95 | ||
f5771a08 KZ |
96 | int ul_path_scanf(struct path_cxt *pc, const char *path, const char *fmt, ...) |
97 | __attribute__ ((__format__ (__scanf__, 3, 4))); | |
1ed21c80 | 98 | int ul_path_scanff(struct path_cxt *pc, const char *path, va_list ap, const char *fmt, ...) |
f5771a08 | 99 | __attribute__ ((__format__ (__printf__, 2, 0))) |
1ed21c80 KZ |
100 | __attribute__ ((__format__ (__scanf__, 4, 5))); |
101 | ||
102 | int ul_path_read_majmin(struct path_cxt *pc, dev_t *res, const char *path); | |
103 | int ul_path_readf_majmin(struct path_cxt *pc, dev_t *res, const char *path, ...) | |
104 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
105 | ||
106 | int ul_path_read_u32(struct path_cxt *pc, uint32_t *res, const char *path); | |
107 | int ul_path_readf_u32(struct path_cxt *pc, uint32_t *res, const char *path, ...) | |
108 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
109 | ||
110 | int ul_path_read_s32(struct path_cxt *pc, int32_t *res, const char *path); | |
111 | int ul_path_readf_s32(struct path_cxt *pc, int32_t *res, const char *path, ...) | |
112 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
113 | ||
114 | int ul_path_read_u64(struct path_cxt *pc, uint64_t *res, const char *path); | |
115 | int ul_path_readf_u64(struct path_cxt *pc, uint64_t *res, const char *path, ...) | |
116 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
117 | ||
118 | int ul_path_read_s64(struct path_cxt *pc, int64_t *res, const char *path); | |
119 | int ul_path_readf_s64(struct path_cxt *pc, int64_t *res, const char *path, ...) | |
120 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
121 | ||
122 | int ul_path_write_string(struct path_cxt *pc, const char *str, const char *path); | |
123 | int ul_path_writef_string(struct path_cxt *pc, const char *str, const char *path, ...) | |
124 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
125 | ||
c455cdb3 | 126 | int ul_path_write_s64(struct path_cxt *pc, int64_t num, const char *path); |
1ed21c80 KZ |
127 | int ul_path_write_u64(struct path_cxt *pc, uint64_t num, const char *path); |
128 | int ul_path_writef_u64(struct path_cxt *pc, uint64_t num, const char *path, ...) | |
129 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
130 | ||
131 | int ul_path_count_dirents(struct path_cxt *pc, const char *path); | |
132 | int ul_path_countf_dirents(struct path_cxt *pc, const char *path, ...) | |
133 | __attribute__ ((__format__ (__printf__, 2, 3))); | |
134 | ||
ae838009 KZ |
135 | int ul_path_next_dirent(struct path_cxt *pc, DIR **sub, const char *dirname, struct dirent **d); |
136 | ||
9023b201 | 137 | FILE *ul_prefix_fopen(const char *prefix, const char *path, const char *mode); |
8148217b | 138 | |
e21e6d26 KZ |
139 | |
140 | #ifdef HAVE_CPU_SET_T | |
141 | # include "cpuset.h" | |
1ed21c80 KZ |
142 | int ul_path_readf_cpuset(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...) |
143 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
e21e6d26 | 144 | |
1ed21c80 KZ |
145 | int ul_path_readf_cpulist(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...) |
146 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
e21e6d26 | 147 | #endif /* HAVE_CPU_SET_T */ |
e21e6d26 | 148 | #endif /* UTIL_LINUX_PATH_H */ |