projects / thirdparty / util-linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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); |
| 6f962f51 KZ |
56 | int ul_path_vstatf(struct path_cxt *pc, struct stat *sb, int flags, const char *path, va_list ap); |
| 57 | int ul_path_statf(struct path_cxt *pc, struct stat *sb, int flags, const char *path, ...); | |
| 58 | ||
| 1ed21c80 KZ |
59 | int ul_path_access(struct path_cxt *pc, int mode, const char *path); |
| 60 | int ul_path_accessf(struct path_cxt *pc, int mode, const char *path, ...) | |
| 61 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| 62 | ||
| 63 | int ul_path_open(struct path_cxt *pc, int flags, const char *path); | |
| 64 | int ul_path_openf(struct path_cxt *pc, int flags, const char *path, ...) | |
| 65 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| f5771a08 KZ |
66 | int ul_path_vopenf(struct path_cxt *pc, int flags, const char *path, va_list ap) |
| 67 | __attribute__ ((__format__ (__printf__, 3, 0))); | |
| 1ed21c80 KZ |
68 | |
| 69 | FILE *ul_path_fopen(struct path_cxt *pc, const char *mode, const char *path); | |
| 70 | FILE *ul_path_fopenf(struct path_cxt *pc, const char *mode, const char *path, ...) | |
| 71 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| f5771a08 KZ |
72 | FILE *ul_path_vfopenf(struct path_cxt *pc, const char *mode, const char *path, va_list ap) |
| 73 | __attribute__ ((__format__ (__printf__, 3, 0))); | |
| 1ed21c80 KZ |
74 | |
| 75 | DIR *ul_path_opendir(struct path_cxt *pc, const char *path); | |
| f5771a08 KZ |
76 | DIR *ul_path_vopendirf(struct path_cxt *pc, const char *path, va_list ap) |
| 77 | __attribute__ ((__format__ (__printf__, 2, 0))); | |
| 1ed21c80 KZ |
78 | DIR *ul_path_opendirf(struct path_cxt *pc, const char *path, ...) |
| 79 | __attribute__ ((__format__ (__printf__, 2, 3))); | |
| 80 | ||
| 81 | ssize_t ul_path_readlink(struct path_cxt *pc, char *buf, size_t bufsiz, const char *path); | |
| 82 | ssize_t ul_path_readlinkf(struct path_cxt *pc, char *buf, size_t bufsiz, const char *path, ...) | |
| 83 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
| 84 | ||
| 85 | int ul_path_read(struct path_cxt *pc, char *buf, size_t len, const char *path); | |
| f5771a08 KZ |
86 | int ul_path_vreadf(struct path_cxt *pc, char *buf, size_t len, const char *path, va_list ap) |
| 87 | __attribute__ ((__format__ (__printf__, 4, 0))); | |
| 1ed21c80 KZ |
88 | int ul_path_readf(struct path_cxt *pc, char *buf, size_t len, const char *path, ...) |
| 89 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
| 90 | ||
| 91 | int ul_path_read_string(struct path_cxt *pc, char **str, const char *path); | |
| 92 | int ul_path_readf_string(struct path_cxt *pc, char **str, const char *path, ...) | |
| 93 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| 94 | ||
| 7eb8e47b KZ |
95 | int ul_path_read_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path); |
| 96 | int ul_path_readf_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path, ...) | |
| 97 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
| 1a45153e TW |
98 | int ul_path_vreadf_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path, va_list ap) |
| 99 | __attribute__ ((__format__ (__printf__, 4, 0))); | |
| 7eb8e47b | 100 | |
| f5771a08 KZ |
101 | int ul_path_scanf(struct path_cxt *pc, const char *path, const char *fmt, ...) |
| 102 | __attribute__ ((__format__ (__scanf__, 3, 4))); | |
| 1ed21c80 | 103 | int ul_path_scanff(struct path_cxt *pc, const char *path, va_list ap, const char *fmt, ...) |
| f5771a08 | 104 | __attribute__ ((__format__ (__printf__, 2, 0))) |
| 1ed21c80 KZ |
105 | __attribute__ ((__format__ (__scanf__, 4, 5))); |
| 106 | ||
| 107 | int ul_path_read_majmin(struct path_cxt *pc, dev_t *res, const char *path); | |
| 108 | int ul_path_readf_majmin(struct path_cxt *pc, dev_t *res, const char *path, ...) | |
| 109 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| 110 | ||
| 111 | int ul_path_read_u32(struct path_cxt *pc, uint32_t *res, const char *path); | |
| 112 | int ul_path_readf_u32(struct path_cxt *pc, uint32_t *res, const char *path, ...) | |
| 113 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| 114 | ||
| 115 | int ul_path_read_s32(struct path_cxt *pc, int32_t *res, const char *path); | |
| 116 | int ul_path_readf_s32(struct path_cxt *pc, int32_t *res, const char *path, ...) | |
| 117 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| 118 | ||
| 119 | int ul_path_read_u64(struct path_cxt *pc, uint64_t *res, const char *path); | |
| 120 | int ul_path_readf_u64(struct path_cxt *pc, uint64_t *res, const char *path, ...) | |
| 121 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| 122 | ||
| 123 | int ul_path_read_s64(struct path_cxt *pc, int64_t *res, const char *path); | |
| 124 | int ul_path_readf_s64(struct path_cxt *pc, int64_t *res, const char *path, ...) | |
| 125 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| 126 | ||
| 127 | int ul_path_write_string(struct path_cxt *pc, const char *str, const char *path); | |
| 128 | int ul_path_writef_string(struct path_cxt *pc, const char *str, const char *path, ...) | |
| 129 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| 130 | ||
| c455cdb3 | 131 | int ul_path_write_s64(struct path_cxt *pc, int64_t num, const char *path); |
| 1ed21c80 KZ |
132 | int ul_path_write_u64(struct path_cxt *pc, uint64_t num, const char *path); |
| 133 | int ul_path_writef_u64(struct path_cxt *pc, uint64_t num, const char *path, ...) | |
| 134 | __attribute__ ((__format__ (__printf__, 3, 4))); | |
| 135 | ||
| 136 | int ul_path_count_dirents(struct path_cxt *pc, const char *path); | |
| 137 | int ul_path_countf_dirents(struct path_cxt *pc, const char *path, ...) | |
| 138 | __attribute__ ((__format__ (__printf__, 2, 3))); | |
| 139 | ||
| ae838009 KZ |
140 | int ul_path_next_dirent(struct path_cxt *pc, DIR **sub, const char *dirname, struct dirent **d); |
| 141 | ||
| e21e6d26 KZ |
142 | |
| 143 | #ifdef HAVE_CPU_SET_T | |
| 144 | # include "cpuset.h" | |
| 1ed21c80 KZ |
145 | int ul_path_readf_cpuset(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...) |
| 146 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
| e21e6d26 | 147 | |
| 1ed21c80 KZ |
148 | int ul_path_readf_cpulist(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...) |
| 149 | __attribute__ ((__format__ (__printf__, 4, 5))); | |
| e21e6d26 | 150 | #endif /* HAVE_CPU_SET_T */ |
| e21e6d26 | 151 | #endif /* UTIL_LINUX_PATH_H */ |