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Consolidate getdirentries{64} implementation

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This patch consolidates Linux getdirentries{64} implementation on just
the default sysdeps/unix/sysv/linux/getdirentries{64} ones.  The default
implementation handles the Linux requirements:

  * getdirentries is only built for _DIRENT_MATCHES_DIRENT64 being 0.

  * getdirentries64 is always built and aliased to getdents for ABIs
    that define _DIRENT_MATCHES_DIRENT64 to 1.

Checked on aarch64-linux-gnu, x86_64-linux-gnu, i686-linux-gnu,
sparcv9-linux-gnu, sparc64-linux-gnu, powerpc-linux-gnu, and
powerpc64le-linux-gnu.

	* sysdeps/unix/sysv/linux/getdirentries.c (getdirentries): Build iff
	_DIRENT_MATCHES_DIRENT64 is not defined.
	* sysdeps/unix/sysv/linux/getdirentries64.c (getdirentries64): Open
	implementation and alias to getdirentries if _DIRENT_MATCHES_DIRENT64
	is defined.
	* sysdeps/unix/sysv/linux/wordsize-64/getdirentries.c: Remove file.
	* sysdeps/unix/sysv/linux/wordsize-64/getdirentries64.c: Remove file.
This commit is contained in:
Adhemerval Zanella
2018-03-01 18:22:16 -03:00
parent 42a2bf58ff
commit 7d80f48e93
5 changed files with 56 additions and 19 deletions
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19
sysdeps/unix/sysv/linux/getdirentries.c
View File

@@ -16,26 +16,21 @@
<http://www.gnu.org/licenses/>. */
#include <dirent.h>
#include <unistd.h>
#ifndef GETDIRENTRIES
# define GETDIRENTRIES getdirentries
# define __GETDENTS __getdents
#else
# define off_t off64_t
# define __lseek __lseek64
#endif
#if !_DIRENT_MATCHES_DIRENT64
# include <unistd.h>
ssize_t
GETDIRENTRIES (int fd, char *buf, size_t nbytes, off_t *basep)
getdirentries (int fd, char *buf, size_t nbytes, off_t *basep)
{
off_t base = __lseek (fd, (off_t) 0, SEEK_CUR);
ssize_t result;
off_t base = __lseek (fd, 0, SEEK_CUR);
result = __GETDENTS (fd, buf, nbytes);
ssize_t result = __getdents (fd, buf, nbytes);
if (result != -1)
*basep = base;
return result;
}
#endif