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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> |
b2a1a691 | 6 | #include <sys/stat.h> |
1ed21c80 KZ |
7 | #include <sys/types.h> |
8 | #include <dirent.h> | |
9 | ||
2cb147e0 KZ |
10 | #include "c.h" |
11 | ||
1ed21c80 KZ |
12 | struct path_cxt { |
13 | int dir_fd; | |
14 | char *dir_path; | |
15 | ||
16 | int refcount; | |
17 | ||
18 | char *prefix; | |
19 | char path_buffer[PATH_MAX]; | |
20 | ||
21 | void *dialect; | |
22 | void (*free_dialect)(struct path_cxt *); | |
23 | int (*redirect_on_enoent)(struct path_cxt *, const char *, int *); | |
24 | }; | |
25 | ||
83bbeb77 | 26 | struct path_cxt *ul_new_path(const char *dir, ...); |
1ed21c80 KZ |
27 | void ul_unref_path(struct path_cxt *pc); |
28 | void ul_ref_path(struct path_cxt *pc); | |
29 | ||
bcf445fd KZ |
30 | void ul_path_init_debug(void); |
31 | ||
1ed21c80 KZ |
32 | int ul_path_set_prefix(struct path_cxt *pc, const char *prefix); |
33 | const char *ul_path_get_prefix(struct path_cxt *pc); | |
34 | ||
35 | int ul_path_set_dir(struct path_cxt *pc, const char *dir); | |
36 | const char *ul_path_get_dir(struct path_cxt *pc); | |
37 | ||
38 | int ul_path_set_dialect(struct path_cxt *pc, void *data, void free_data(struct path_cxt *)); | |
39 | void *ul_path_get_dialect(struct path_cxt *pc); | |
40 | ||
41 | int ul_path_set_enoent_redirect(struct path_cxt *pc, int (*func)(struct path_cxt *, const char *, int *)); | |
42 | int ul_path_get_dirfd(struct path_cxt *pc); | |
c9ea91d4 KZ |
43 | void ul_path_close_dirfd(struct path_cxt *pc); |
44 | int ul_path_isopen_dirfd(struct path_cxt *pc); | |
1ed21c80 | 45 | |
e74e5401 KZ |
46 | char *ul_path_get_abspath(struct path_cxt *pc, char *buf, size_t bufsz, const char *path, ...) |
47 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
48 | ||
b1418ed1 | 49 | int ul_path_stat(struct path_cxt *pc, struct stat *sb, const char *path); |
1ed21c80 KZ |
50 | int ul_path_access(struct path_cxt *pc, int mode, const char *path); |
51 | int ul_path_accessf(struct path_cxt *pc, int mode, const char *path, ...) | |
52 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
53 | ||
54 | int ul_path_open(struct path_cxt *pc, int flags, const char *path); | |
55 | int ul_path_openf(struct path_cxt *pc, int flags, const char *path, ...) | |
56 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
57 | int ul_path_vopenf(struct path_cxt *pc, int flags, const char *path, va_list ap); | |
58 | ||
59 | FILE *ul_path_fopen(struct path_cxt *pc, const char *mode, const char *path); | |
60 | FILE *ul_path_fopenf(struct path_cxt *pc, const char *mode, const char *path, ...) | |
61 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
62 | FILE *ul_path_vfopenf(struct path_cxt *pc, const char *mode, const char *path, va_list ap); | |
63 | ||
64 | DIR *ul_path_opendir(struct path_cxt *pc, const char *path); | |
65 | DIR *ul_path_vopendirf(struct path_cxt *pc, const char *path, va_list ap); | |
66 | DIR *ul_path_opendirf(struct path_cxt *pc, const char *path, ...) | |
67 | __attribute__ ((__format__ (__printf__, 2, 3))); | |
68 | ||
69 | ssize_t ul_path_readlink(struct path_cxt *pc, char *buf, size_t bufsiz, const char *path); | |
70 | ssize_t ul_path_readlinkf(struct path_cxt *pc, char *buf, size_t bufsiz, const char *path, ...) | |
71 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
72 | ||
73 | int ul_path_read(struct path_cxt *pc, char *buf, size_t len, const char *path); | |
74 | int ul_path_vreadf(struct path_cxt *pc, char *buf, size_t len, const char *path, va_list ap); | |
75 | int ul_path_readf(struct path_cxt *pc, char *buf, size_t len, const char *path, ...) | |
76 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
77 | ||
78 | int ul_path_read_string(struct path_cxt *pc, char **str, const char *path); | |
79 | int ul_path_readf_string(struct path_cxt *pc, char **str, const char *path, ...) | |
80 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
81 | ||
7eb8e47b KZ |
82 | int ul_path_read_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path); |
83 | int ul_path_readf_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path, ...) | |
84 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
85 | ||
1ed21c80 KZ |
86 | int ul_path_scanf(struct path_cxt *pc, const char *path, const char *fmt, ...); |
87 | int ul_path_scanff(struct path_cxt *pc, const char *path, va_list ap, const char *fmt, ...) | |
88 | __attribute__ ((__format__ (__scanf__, 4, 5))); | |
89 | ||
90 | int ul_path_read_majmin(struct path_cxt *pc, dev_t *res, const char *path); | |
91 | int ul_path_readf_majmin(struct path_cxt *pc, dev_t *res, const char *path, ...) | |
92 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
93 | ||
94 | int ul_path_read_u32(struct path_cxt *pc, uint32_t *res, const char *path); | |
95 | int ul_path_readf_u32(struct path_cxt *pc, uint32_t *res, const char *path, ...) | |
96 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
97 | ||
98 | int ul_path_read_s32(struct path_cxt *pc, int32_t *res, const char *path); | |
99 | int ul_path_readf_s32(struct path_cxt *pc, int32_t *res, const char *path, ...) | |
100 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
101 | ||
102 | int ul_path_read_u64(struct path_cxt *pc, uint64_t *res, const char *path); | |
103 | int ul_path_readf_u64(struct path_cxt *pc, uint64_t *res, const char *path, ...) | |
104 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
105 | ||
106 | int ul_path_read_s64(struct path_cxt *pc, int64_t *res, const char *path); | |
107 | int ul_path_readf_s64(struct path_cxt *pc, int64_t *res, const char *path, ...) | |
108 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
109 | ||
110 | int ul_path_write_string(struct path_cxt *pc, const char *str, const char *path); | |
111 | int ul_path_writef_string(struct path_cxt *pc, const char *str, const char *path, ...) | |
112 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
113 | ||
c455cdb3 | 114 | int ul_path_write_s64(struct path_cxt *pc, int64_t num, const char *path); |
1ed21c80 KZ |
115 | int ul_path_write_u64(struct path_cxt *pc, uint64_t num, const char *path); |
116 | int ul_path_writef_u64(struct path_cxt *pc, uint64_t num, const char *path, ...) | |
117 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
118 | ||
119 | int ul_path_count_dirents(struct path_cxt *pc, const char *path); | |
120 | int ul_path_countf_dirents(struct path_cxt *pc, const char *path, ...) | |
121 | __attribute__ ((__format__ (__printf__, 2, 3))); | |
122 | ||
9023b201 | 123 | FILE *ul_prefix_fopen(const char *prefix, const char *path, const char *mode); |
8148217b | 124 | |
e21e6d26 KZ |
125 | |
126 | #ifdef HAVE_CPU_SET_T | |
127 | # include "cpuset.h" | |
1ed21c80 KZ |
128 | int ul_path_readf_cpuset(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...) |
129 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
e21e6d26 | 130 | |
1ed21c80 KZ |
131 | int ul_path_readf_cpulist(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...) |
132 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
e21e6d26 | 133 | #endif /* HAVE_CPU_SET_T */ |
e21e6d26 | 134 | #endif /* UTIL_LINUX_PATH_H */ |