diff options
Diffstat (limited to 'src/dir.h')
| -rw-r--r-- | src/dir.h | 46 |
1 files changed, 33 insertions, 13 deletions
@@ -8,8 +8,8 @@ #ifndef BFS_DIR_H #define BFS_DIR_H -#include "alloc.h" -#include "config.h" +#include "bfs.h" + #include <sys/types.h> /** @@ -17,7 +17,13 @@ * libc's readdir(). */ #ifndef BFS_USE_GETDENTS -# define BFS_USE_GETDENTS (__linux__ || __FreeBSD__) +# if BFS_HAS_POSIX_GETDENTS +# define BFS_USE_GETDENTS true +# elif __linux__ || __FreeBSD__ +# define BFS_USE_GETDENTS (BFS_HAS_GETDENTS || BFS_HAS_GETDENTS64 | BFS_HAS_GETDENTS64_SYSCALL) +# else +# define BFS_USE_GETDENTS false +# endif #endif /** @@ -78,28 +84,42 @@ struct bfs_dirent { */ struct bfs_dir *bfs_allocdir(void); +struct arena; + /** * Initialize an arena for directories. * - * @param arena + * @arena * The arena to initialize. */ void bfs_dir_arena(struct arena *arena); /** + * bfs_opendir() flags. + */ +enum bfs_dir_flags { + /** Include whiteouts in the results. */ + BFS_DIR_WHITEOUTS = 1 << 0, + /** @internal Start of private flags. */ + BFS_DIR_PRIVATE = 1 << 1, +}; + +/** * Open a directory. * - * @param dir + * @dir * The allocated directory. - * @param at_fd + * @at_fd * The base directory for path resolution. - * @param at_path + * @at_path * The path of the directory to open, relative to at_fd. Pass NULL to * open at_fd itself. + * @flags + * Flags that control which directory entries are listed. * @return * 0 on success, or -1 on failure. */ -int bfs_opendir(struct bfs_dir *dir, int at_fd, const char *at_path); +int bfs_opendir(struct bfs_dir *dir, int at_fd, const char *at_path, enum bfs_dir_flags flags); /** * Get the file descriptor for a directory. @@ -109,7 +129,7 @@ int bfs_dirfd(const struct bfs_dir *dir); /** * Performs any I/O necessary for the next bfs_readdir() call. * - * @param dir + * @dir * The directory to poll. * @return * 1 on success, 0 on EOF, or -1 on failure. @@ -119,9 +139,9 @@ int bfs_polldir(struct bfs_dir *dir); /** * Read a directory entry. * - * @param dir + * @dir * The directory to read. - * @param[out] dirent + * @dirent[out] * The directory entry to populate. * @return * 1 on success, 0 on EOF, or -1 on failure. @@ -140,14 +160,14 @@ int bfs_closedir(struct bfs_dir *dir); * Whether the bfs_unwrapdir() function is supported. */ #ifndef BFS_USE_UNWRAPDIR -# define BFS_USE_UNWRAPDIR (BFS_USE_GETDENTS || __FreeBSD__) +# define BFS_USE_UNWRAPDIR (BFS_USE_GETDENTS || BFS_HAS_FDCLOSEDIR) #endif #if BFS_USE_UNWRAPDIR /** * Detach the file descriptor from an open directory. * - * @param dir + * @dir * The directory to detach. * @return * The file descriptor of the directory. |