diff options
Diffstat (limited to 'include/path.h')
-rw-r--r-- | include/path.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/include/path.h b/include/path.h new file mode 100644 index 0000000..19c1be6 --- /dev/null +++ b/include/path.h @@ -0,0 +1,148 @@ +/* + * No copyright is claimed. This code is in the public domain; do with + * it what you wish. + */ +#ifndef UTIL_LINUX_PATH_H +#define UTIL_LINUX_PATH_H + +#include <stdio.h> +#include <stdint.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <dirent.h> + +#include "c.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, ...) + __attribute__ ((__format__ (__printf__, 1, 2))); +void ul_unref_path(struct path_cxt *pc); +void ul_ref_path(struct path_cxt *pc); + +void ul_path_init_debug(void); + +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); +void ul_path_close_dirfd(struct path_cxt *pc); +int ul_path_isopen_dirfd(struct path_cxt *pc); +int ul_path_is_accessible(struct path_cxt *pc); + +char *ul_path_get_abspath(struct path_cxt *pc, char *buf, size_t bufsz, const char *path, ...) + __attribute__ ((__format__ (__printf__, 4, 5))); + +int ul_path_stat(struct path_cxt *pc, struct stat *sb, int flags, const char *path); +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) + __attribute__ ((__format__ (__printf__, 3, 0))); + +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) + __attribute__ ((__format__ (__printf__, 3, 0))); + +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) + __attribute__ ((__format__ (__printf__, 2, 0))); +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) + __attribute__ ((__format__ (__printf__, 4, 0))); +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_read_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path); +int ul_path_readf_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char *path, ...) + __attribute__ ((__format__ (__printf__, 4, 5))); + +int ul_path_scanf(struct path_cxt *pc, const char *path, const char *fmt, ...) + __attribute__ ((__format__ (__scanf__, 3, 4))); +int ul_path_scanff(struct path_cxt *pc, const char *path, va_list ap, const char *fmt, ...) + __attribute__ ((__format__ (__printf__, 2, 0))) + __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_s64(struct path_cxt *pc, int64_t num, const char *path); +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))); + +int ul_path_next_dirent(struct path_cxt *pc, DIR **sub, const char *dirname, struct dirent **d); + +FILE *ul_prefix_fopen(const char *prefix, const char *path, const char *mode); + + +#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))); + +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 */ |