diff options
Diffstat (limited to 'src/dir.c')
-rw-r--r-- | src/dir.c | 31 |
1 files changed, 20 insertions, 11 deletions
@@ -96,18 +96,26 @@ enum bfs_type bfs_mode_to_type(mode_t mode) { } } +/** + * Private directory flags. + */ +enum { + /** We've reached the end of the directory. */ + BFS_DIR_EOF = BFS_DIR_PRIVATE << 0, +}; + struct bfs_dir { + unsigned int flags; + #if BFS_USE_GETDENTS - alignas(sys_dirent) int fd; + int fd; unsigned short pos; unsigned short size; - // sys_dirent buf[]; + alignas(sys_dirent) char buf[]; #else DIR *dir; struct dirent *de; #endif - - bool eof; }; #if BFS_USE_GETDENTS @@ -125,7 +133,7 @@ void bfs_dir_arena(struct arena *arena) { arena_init(arena, alignof(struct bfs_dir), DIR_SIZE); } -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) { int fd; if (at_path) { fd = openat(at_fd, at_path, O_RDONLY | O_CLOEXEC | O_DIRECTORY); @@ -139,6 +147,8 @@ int bfs_opendir(struct bfs_dir *dir, int at_fd, const char *at_path) { return -1; } + dir->flags = flags; + #if BFS_USE_GETDENTS dir->fd = fd; dir->pos = 0; @@ -154,7 +164,6 @@ int bfs_opendir(struct bfs_dir *dir, int at_fd, const char *at_path) { dir->de = NULL; #endif - dir->eof = false; return 0; } @@ -170,14 +179,14 @@ int bfs_polldir(struct bfs_dir *dir) { #if BFS_USE_GETDENTS if (dir->pos < dir->size) { return 1; - } else if (dir->eof) { + } else if (dir->flags & BFS_DIR_EOF) { return 0; } char *buf = (char *)(dir + 1); ssize_t size = bfs_getdents(dir->fd, buf, BUF_SIZE); if (size == 0) { - dir->eof = true; + dir->flags |= BFS_DIR_EOF; return 0; } else if (size < 0) { return -1; @@ -194,7 +203,7 @@ int bfs_polldir(struct bfs_dir *dir) { if (size > 0) { dir->size += size; } else if (size == 0) { - dir->eof = true; + dir->flags |= BFS_DIR_EOF; } } @@ -202,7 +211,7 @@ int bfs_polldir(struct bfs_dir *dir) { #else // !BFS_USE_GETDENTS if (dir->de) { return 1; - } else if (dir->eof) { + } else if (dir->flags & BFS_DIR_EOF) { return 0; } @@ -211,7 +220,7 @@ int bfs_polldir(struct bfs_dir *dir) { if (dir->de) { return 1; } else if (errno == 0) { - dir->eof = true; + dir->flags |= BFS_DIR_EOF; return 0; } else { return -1; |