1 files changed, 135 insertions, 0 deletions
diff --git a/src/utils/include/path.h b/src/utils/include/path.h
new file mode 100644
index 0000000..2a4f80e
--- /dev/null
+++ b/src/utils/include/path.h
@@ -0,0 +1,135 @@
+#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, ...);
+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, 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);
+
+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_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, ...);
+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_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)));
+
+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 */