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This commit is contained in:
Ulrich Drepper 2006-01-20 21:17:38 +00:00
parent a4f1763067
commit 2f15699349
2 changed files with 1 additions and 14 deletions
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3
ChangeLog
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@ -1,8 +1,5 @@
2006-01-20 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/fdopendir.c (fdopendir): If O_DIRECTORY is
available, avoid stat call, use fcntl result to determine whether
descriptor is for a directory or not.
* dirent/Makefile (tests): Add tst-fdopendir2.
* dirent/tst-fdopendir2.c: New file.

12
sysdeps/unix/fdopendir.c
View File

@ -29,7 +29,6 @@ fdopendir (int fd)
{
struct stat64 statbuf;
#ifndef O_DIRECTORY
if (__builtin_expect (__fxstat64 (_STAT_VER, fd, &statbuf), 0) < 0)
return NULL;
if (__builtin_expect (! S_ISDIR (statbuf.st_mode), 0))
@ -37,20 +36,11 @@ fdopendir (int fd)
__set_errno (ENOTDIR);
return NULL;
}
#endif
/* Make sure the descriptor allows for reading (and eventually that
the descriptor is for a directory). */
/* Make sure the descriptor allows for reading. */
int flags = __fcntl (fd, F_GETFL);
if (__builtin_expect (flags == -1, 0))
return NULL;
#ifdef O_DIRECTORY
if (__builtin_expect ((flags & O_DIRECTORY) == 0, 0))
{
__set_errno (ENOTDIR);
return NULL;
}
#endif
if (__builtin_expect ((flags & O_ACCMODE) == O_WRONLY, 0))
{
__set_errno (EINVAL);