diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/path.h | 133 |
1 files changed, 106 insertions, 27 deletions
diff --git a/include/path.h b/include/path.h index 4be01095c..8b000e63a 100644 --- a/include/path.h +++ b/include/path.h @@ -3,37 +3,116 @@ #include <stdio.h> #include <stdint.h> +#include <stdint.h> +#include <sys/types.h> +#include <dirent.h> + +struct path_cxt { + int dir_fd; + char *dir_path; + + int refcount; + + char *prefix; + char path_buffer[PATH_MAX]; + + void *dialect; + void (*free_dialect)(struct path_cxt *); + int (*redirect_on_enoent)(struct path_cxt *, const char *, int *); +}; + +struct path_cxt *ul_new_path(const char *dir); +void ul_unref_path(struct path_cxt *pc); +void ul_ref_path(struct path_cxt *pc); + +int ul_path_set_prefix(struct path_cxt *pc, const char *prefix); +const char *ul_path_get_prefix(struct path_cxt *pc); + +int ul_path_set_dir(struct path_cxt *pc, const char *dir); +const char *ul_path_get_dir(struct path_cxt *pc); + +int ul_path_set_dialect(struct path_cxt *pc, void *data, void free_data(struct path_cxt *)); +void *ul_path_get_dialect(struct path_cxt *pc); + +int ul_path_set_enoent_redirect(struct path_cxt *pc, int (*func)(struct path_cxt *, const char *, int *)); +int ul_path_get_dirfd(struct path_cxt *pc); + +int ul_path_access(struct path_cxt *pc, int mode, const char *path); +int ul_path_accessf(struct path_cxt *pc, int mode, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); + +int ul_path_open(struct path_cxt *pc, int flags, const char *path); +int ul_path_openf(struct path_cxt *pc, int flags, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); +int ul_path_vopenf(struct path_cxt *pc, int flags, const char *path, va_list ap); + +FILE *ul_path_fopen(struct path_cxt *pc, const char *mode, const char *path); +FILE *ul_path_fopenf(struct path_cxt *pc, const char *mode, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); +FILE *ul_path_vfopenf(struct path_cxt *pc, const char *mode, const char *path, va_list ap); + +DIR *ul_path_opendir(struct path_cxt *pc, const char *path); +DIR *ul_path_vopendirf(struct path_cxt *pc, const char *path, va_list ap); +DIR *ul_path_opendirf(struct path_cxt *pc, const char *path, ...) + __attribute__ ((__format__ (__printf__, 2, 3))); + +ssize_t ul_path_readlink(struct path_cxt *pc, char *buf, size_t bufsiz, const char *path); +ssize_t ul_path_readlinkf(struct path_cxt *pc, char *buf, size_t bufsiz, const char *path, ...) + __attribute__ ((__format__ (__printf__, 4, 5))); + +int ul_path_read(struct path_cxt *pc, char *buf, size_t len, const char *path); +int ul_path_vreadf(struct path_cxt *pc, char *buf, size_t len, const char *path, va_list ap); +int ul_path_readf(struct path_cxt *pc, char *buf, size_t len, const char *path, ...) + __attribute__ ((__format__ (__printf__, 4, 5))); + +int ul_path_read_string(struct path_cxt *pc, char **str, const char *path); +int ul_path_readf_string(struct path_cxt *pc, char **str, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); + +int ul_path_scanf(struct path_cxt *pc, const char *path, const char *fmt, ...); +int ul_path_scanff(struct path_cxt *pc, const char *path, va_list ap, const char *fmt, ...) + __attribute__ ((__format__ (__scanf__, 4, 5))); + +int ul_path_read_majmin(struct path_cxt *pc, dev_t *res, const char *path); +int ul_path_readf_majmin(struct path_cxt *pc, dev_t *res, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); + +int ul_path_read_u32(struct path_cxt *pc, uint32_t *res, const char *path); +int ul_path_readf_u32(struct path_cxt *pc, uint32_t *res, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); + +int ul_path_read_s32(struct path_cxt *pc, int32_t *res, const char *path); +int ul_path_readf_s32(struct path_cxt *pc, int32_t *res, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); + +int ul_path_read_u64(struct path_cxt *pc, uint64_t *res, const char *path); +int ul_path_readf_u64(struct path_cxt *pc, uint64_t *res, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); + +int ul_path_read_s64(struct path_cxt *pc, int64_t *res, const char *path); +int ul_path_readf_s64(struct path_cxt *pc, int64_t *res, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); + +int ul_path_write_string(struct path_cxt *pc, const char *str, const char *path); +int ul_path_writef_string(struct path_cxt *pc, const char *str, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); + +int ul_path_write_u64(struct path_cxt *pc, uint64_t num, const char *path); +int ul_path_writef_u64(struct path_cxt *pc, uint64_t num, const char *path, ...) + __attribute__ ((__format__ (__printf__, 3, 4))); + +int ul_path_count_dirents(struct path_cxt *pc, const char *path); +int ul_path_countf_dirents(struct path_cxt *pc, const char *path, ...) + __attribute__ ((__format__ (__printf__, 2, 3))); + -/* Returns a pointer to a static buffer which may be destroyed by any later -path_* function call. NULL means error and errno will be set. */ -/* Returns: 0 on success, sets errno on error. */ -extern int path_set_prefix(const char *) - __attribute__((warn_unused_result)); - -extern const char *path_get(const char *path, ...) - __attribute__ ((__format__ (__printf__, 1, 2))); - -extern FILE *path_fopen(const char *mode, int exit_on_err, const char *path, ...) - __attribute__ ((__format__ (__printf__, 3, 4))); -extern void path_read_str(char *result, size_t len, const char *path, ...) - __attribute__ ((__format__ (__printf__, 3, 4))); -extern int path_write_str(const char *str, const char *path, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); -extern int path_read_s32(const char *path, ...) - __attribute__ ((__format__ (__printf__, 1, 2))); -extern uint64_t path_read_u64(const char *path, ...) - __attribute__ ((__format__ (__printf__, 1, 2))); - -extern int path_exist(const char *path, ...) - __attribute__ ((__format__ (__printf__, 1, 2))); #ifdef HAVE_CPU_SET_T # include "cpuset.h" +int ul_path_readf_cpuset(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...) + __attribute__ ((__format__ (__printf__, 4, 5))); -extern cpu_set_t *path_read_cpuset(int, const char *path, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); -extern cpu_set_t *path_read_cpulist(int, const char *path, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); - +int ul_path_readf_cpulist(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...) + __attribute__ ((__format__ (__printf__, 4, 5))); #endif /* HAVE_CPU_SET_T */ #endif /* UTIL_LINUX_PATH_H */ |