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Use LFS readdir in generic POSIX getcwd [BZ# 22899]

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Checked on x86_64-linux-gnu and i686-linux-gnu.
This commit is contained in:
Adhemerval Zanella
2020-08-25 17:22:09 -03:00
parent bbedd75c41
commit 804200923d
2 changed files with 9 additions and 4 deletions
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9
sysdeps/posix/getcwd.c
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@ -97,11 +97,12 @@
# define __lstat64 lstat
# define __closedir closedir
# define __opendir opendir
# define __readdir readdir
# define __readdir64 readdir
# define __fdopendir fdopendir
# define __openat openat
# define __rewinddir rewinddir
# define __openat64 openat
# define dirent64 dirent
#else
# include <not-cancel.h>
#endif
@ -260,7 +261,7 @@ __getcwd_generic (char *buf, size_t size)
while (!(thisdev == rootdev && thisino == rootino))
{
struct dirent *d;
struct dirent64 *d;
dev_t dotdev;
ino_t dotino;
bool mount_point;
@ -313,7 +314,7 @@ __getcwd_generic (char *buf, size_t size)
/* Clear errno to distinguish EOF from error if readdir returns
NULL. */
__set_errno (0);
d = __readdir (dirstream);
d = __readdir64 (dirstream);
/* When we've iterated through all directory entries without finding
one with a matching d_ino, rewind the stream and consider each
@ -326,7 +327,7 @@ __getcwd_generic (char *buf, size_t size)
{
use_d_ino = false;
__rewinddir (dirstream);
d = __readdir (dirstream);
d = __readdir64 (dirstream);
}
if (d == NULL)

4
sysdeps/unix/sysv/linux/readdir64.c
View File

@ -42,7 +42,11 @@ weak_alias (__readdir64, readdir)
/* The compat code expects the 'struct direct' with d_ino being a __ino_t
instead of __ino64_t. */
# include <shlib-compat.h>
# if IS_IN(rtld)
weak_alias (__readdir64, readdir64)
# else
versioned_symbol (libc, __readdir64, readdir64, GLIBC_2_2);
# endif
# if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
# include <olddirent.h>
# define __READDIR attribute_compat_text_section __old_readdir64