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e21e6d26 KZ |
1 | #ifndef UTIL_LINUX_PATH_H |
2 | #define UTIL_LINUX_PATH_H | |
3 | ||
8148217b | 4 | #include <stdio.h> |
37a5c7ee | 5 | #include <stdint.h> |
1ed21c80 KZ |
6 | #include <sys/types.h> |
7 | #include <dirent.h> | |
8 | ||
2cb147e0 KZ |
9 | #include "c.h" |
10 | ||
1ed21c80 KZ |
11 | struct path_cxt { |
12 | int dir_fd; | |
13 | char *dir_path; | |
14 | ||
15 | int refcount; | |
16 | ||
17 | char *prefix; | |
18 | char path_buffer[PATH_MAX]; | |
19 | ||
20 | void *dialect; | |
21 | void (*free_dialect)(struct path_cxt *); | |
22 | int (*redirect_on_enoent)(struct path_cxt *, const char *, int *); | |
23 | }; | |
24 | ||
83bbeb77 | 25 | struct path_cxt *ul_new_path(const char *dir, ...); |
1ed21c80 KZ |
26 | void ul_unref_path(struct path_cxt *pc); |
27 | void ul_ref_path(struct path_cxt *pc); | |
28 | ||
bcf445fd KZ |
29 | void ul_path_init_debug(void); |
30 | ||
1ed21c80 KZ |
31 | int ul_path_set_prefix(struct path_cxt *pc, const char *prefix); |
32 | const char *ul_path_get_prefix(struct path_cxt *pc); | |
33 | ||
34 | int ul_path_set_dir(struct path_cxt *pc, const char *dir); | |
35 | const char *ul_path_get_dir(struct path_cxt *pc); | |
36 | ||
37 | int ul_path_set_dialect(struct path_cxt *pc, void *data, void free_data(struct path_cxt *)); | |
38 | void *ul_path_get_dialect(struct path_cxt *pc); | |
39 | ||
40 | int ul_path_set_enoent_redirect(struct path_cxt *pc, int (*func)(struct path_cxt *, const char *, int *)); | |
41 | int ul_path_get_dirfd(struct path_cxt *pc); | |
c9ea91d4 KZ |
42 | void ul_path_close_dirfd(struct path_cxt *pc); |
43 | int ul_path_isopen_dirfd(struct path_cxt *pc); | |
1ed21c80 | 44 | |
e74e5401 KZ |
45 | char *ul_path_get_abspath(struct path_cxt *pc, char *buf, size_t bufsz, const char *path, ...) |
46 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
47 | ||
1ed21c80 KZ |
48 | int ul_path_access(struct path_cxt *pc, int mode, const char *path); |
49 | int ul_path_accessf(struct path_cxt *pc, int mode, const char *path, ...) | |
50 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
51 | ||
52 | int ul_path_open(struct path_cxt *pc, int flags, const char *path); | |
53 | int ul_path_openf(struct path_cxt *pc, int flags, const char *path, ...) | |
54 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
55 | int ul_path_vopenf(struct path_cxt *pc, int flags, const char *path, va_list ap); | |
56 | ||
57 | FILE *ul_path_fopen(struct path_cxt *pc, const char *mode, const char *path); | |
58 | FILE *ul_path_fopenf(struct path_cxt *pc, const char *mode, const char *path, ...) | |
59 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
60 | FILE *ul_path_vfopenf(struct path_cxt *pc, const char *mode, const char *path, va_list ap); | |
61 | ||
62 | DIR *ul_path_opendir(struct path_cxt *pc, const char *path); | |
63 | DIR *ul_path_vopendirf(struct path_cxt *pc, const char *path, va_list ap); | |
64 | DIR *ul_path_opendirf(struct path_cxt *pc, const char *path, ...) | |
65 | __attribute__ ((__format__ (__printf__, 2, 3))); | |
66 | ||
67 | ssize_t ul_path_readlink(struct path_cxt *pc, char *buf, size_t bufsiz, const char *path); | |
68 | ssize_t ul_path_readlinkf(struct path_cxt *pc, char *buf, size_t bufsiz, const char *path, ...) | |
69 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
70 | ||
71 | int ul_path_read(struct path_cxt *pc, char *buf, size_t len, const char *path); | |
72 | int ul_path_vreadf(struct path_cxt *pc, char *buf, size_t len, const char *path, va_list ap); | |
73 | int ul_path_readf(struct path_cxt *pc, char *buf, size_t len, const char *path, ...) | |
74 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
75 | ||
76 | int ul_path_read_string(struct path_cxt *pc, char **str, const char *path); | |
77 | int ul_path_readf_string(struct path_cxt *pc, char **str, const char *path, ...) | |
78 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
79 | ||
7eb8e47b KZ |
80 | int ul_path_read_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path); |
81 | int ul_path_readf_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path, ...) | |
82 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
83 | ||
1ed21c80 KZ |
84 | int ul_path_scanf(struct path_cxt *pc, const char *path, const char *fmt, ...); |
85 | int ul_path_scanff(struct path_cxt *pc, const char *path, va_list ap, const char *fmt, ...) | |
86 | __attribute__ ((__format__ (__scanf__, 4, 5))); | |
87 | ||
88 | int ul_path_read_majmin(struct path_cxt *pc, dev_t *res, const char *path); | |
89 | int ul_path_readf_majmin(struct path_cxt *pc, dev_t *res, const char *path, ...) | |
90 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
91 | ||
92 | int ul_path_read_u32(struct path_cxt *pc, uint32_t *res, const char *path); | |
93 | int ul_path_readf_u32(struct path_cxt *pc, uint32_t *res, const char *path, ...) | |
94 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
95 | ||
96 | int ul_path_read_s32(struct path_cxt *pc, int32_t *res, const char *path); | |
97 | int ul_path_readf_s32(struct path_cxt *pc, int32_t *res, const char *path, ...) | |
98 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
99 | ||
100 | int ul_path_read_u64(struct path_cxt *pc, uint64_t *res, const char *path); | |
101 | int ul_path_readf_u64(struct path_cxt *pc, uint64_t *res, const char *path, ...) | |
102 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
103 | ||
104 | int ul_path_read_s64(struct path_cxt *pc, int64_t *res, const char *path); | |
105 | int ul_path_readf_s64(struct path_cxt *pc, int64_t *res, const char *path, ...) | |
106 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
107 | ||
108 | int ul_path_write_string(struct path_cxt *pc, const char *str, const char *path); | |
109 | int ul_path_writef_string(struct path_cxt *pc, const char *str, const char *path, ...) | |
110 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
111 | ||
c455cdb3 | 112 | int ul_path_write_s64(struct path_cxt *pc, int64_t num, const char *path); |
1ed21c80 KZ |
113 | int ul_path_write_u64(struct path_cxt *pc, uint64_t num, const char *path); |
114 | int ul_path_writef_u64(struct path_cxt *pc, uint64_t num, const char *path, ...) | |
115 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
116 | ||
117 | int ul_path_count_dirents(struct path_cxt *pc, const char *path); | |
118 | int ul_path_countf_dirents(struct path_cxt *pc, const char *path, ...) | |
119 | __attribute__ ((__format__ (__printf__, 2, 3))); | |
120 | ||
9023b201 | 121 | FILE *ul_prefix_fopen(const char *prefix, const char *path, const char *mode); |
8148217b | 122 | |
e21e6d26 KZ |
123 | |
124 | #ifdef HAVE_CPU_SET_T | |
125 | # include "cpuset.h" | |
1ed21c80 KZ |
126 | int ul_path_readf_cpuset(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...) |
127 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
e21e6d26 | 128 | |
1ed21c80 KZ |
129 | int ul_path_readf_cpulist(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...) |
130 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
e21e6d26 | 131 | #endif /* HAVE_CPU_SET_T */ |
e21e6d26 | 132 | #endif /* UTIL_LINUX_PATH_H */ |