diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2006-02-04 02:19:23 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2006-02-04 02:19:23 +0000 |
| commit | f4bfb87ce5efc8d6e0794fffa453df6c55e0b7e7 (patch) | |
| tree | d5ce532b34fd614f5eda74e25e926d8375f2adb5 /libc/misc/dirent/opendir.c | |
| parent | 772b1913c781e54eeb8f8588bd9b66b4d2d3e4c4 (diff) | |
use O_DIRECTORY when possible, saves us from having to use stat() thus cutting codesize/race condition
Diffstat (limited to 'libc/misc/dirent/opendir.c')
| -rw-r--r-- | libc/misc/dirent/opendir.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libc/misc/dirent/opendir.c b/libc/misc/dirent/opendir.c index 6bd1da81d..5c78252b1 100644 --- a/libc/misc/dirent/opendir.c +++ b/libc/misc/dirent/opendir.c @@ -7,6 +7,7 @@ #include <errno.h> #include <stdlib.h> #include <string.h> +#include <sys/types.h> #include <fcntl.h> #include <unistd.h> #include <sys/dir.h> @@ -29,13 +30,17 @@ DIR *opendir(const char *name) char *buf; DIR *ptr; +#ifndef O_DIRECTORY + /* O_DIRECTORY is linux specific and has been around since like 2.1.x */ if (stat(name, &statbuf)) return NULL; if (!S_ISDIR(statbuf.st_mode)) { __set_errno(ENOTDIR); return NULL; } - if ((fd = open(name, O_RDONLY)) < 0) +# define O_DIRECTORY 0 +#endif + if ((fd = open(name, O_RDONLY|O_NDELAY|O_DIRECTORY)) < 0) return NULL; /* According to POSIX, directory streams should be closed when * exec. From "Anna Pluzhnikov" <besp@midway.uchicago.edu>. |