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c0123b3b11
This patch consolidates scandir{at}{64} implementation on just
the default dirent/scandir{at}{64}{_r}.c ones. It changes the logic
to follow the conventions used on other code consolidation:
* scandir{at} is only built for _DIRENT_MATCHES_DIRENT64 being 0.
* scandir{at}{64} is always built and aliased to getdents for ABIs
that define _DIRENT_MATCHES_DIRENT64 to 1.
Also on Linux the compat symbol for old non-LFS dirent64 definition
requires a platform-specific scandir64.c.
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.
* dirent/scandir-tail-common.c: New file.
* dirent/scandir-tail.c: Use scandir-tail-common.c.
(__scandir_tail): Build iff _DIRENT_MATCHES_DIRENT64 is not defined.
* dirent/scandir.c: Use scandir-tail-common.c.
* dirent/scandirat.c: Likewise.
* dirent/scandir64-tail.c: Use scandir-tail-common.c.
* dirent/scandir64.c (scandir64): Always build and alias to scandir
if _DIRENT_MATCHES_DIRENT64 is defined.
* dirent/scandirat64.c (scandirat64): Likewise.
* include/dirent.h (__scandir_tail): Only define iff
_DIRENT_MATCHES_DIRENT64 is not defined.
(__scandir64_tail): Define regardless.
(__scandirat, scandirat64): Remove libc_hidden_proto.
* sysdeps/unix/sysv/linux/arm/scandir64.c: Remove file.
* sysdeps/unix/sysv/linux/m68k/scandir64.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/scandir64.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/scandir64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/scandir64.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/scandir64.c: Likewise.
* sysdeps/unix/sysv/linux/scandir64.c: New file.
85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
#ifndef _DIRENT_H
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# ifndef _ISOMAC
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# include <dirstream.h>
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# endif
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# include <dirent/dirent.h>
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# ifndef _ISOMAC
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# include <sys/stat.h>
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# include <stdbool.h>
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struct scandir_cancel_struct
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{
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DIR *dp;
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void *v;
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size_t cnt;
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};
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/* Now define the internal interfaces. */
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extern DIR *__opendir (const char *__name) attribute_hidden;
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extern DIR *__opendirat (int dfd, const char *__name) attribute_hidden;
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extern DIR *__fdopendir (int __fd) attribute_hidden;
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extern int __closedir (DIR *__dirp) attribute_hidden;
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extern struct dirent *__readdir (DIR *__dirp) attribute_hidden;
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extern struct dirent64 *__readdir64 (DIR *__dirp);
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libc_hidden_proto (__readdir64)
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extern int __readdir_r (DIR *__dirp, struct dirent *__entry,
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struct dirent **__result);
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extern int __readdir64_r (DIR *__dirp, struct dirent64 *__entry,
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struct dirent64 **__result);
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extern int __scandir64 (const char * __dir,
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struct dirent64 *** __namelist,
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int (*__selector) (const struct dirent64 *),
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int (*__cmp) (const struct dirent64 **,
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const struct dirent64 **));
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extern __ssize_t __getdirentries (int __fd, char *__restrict __buf,
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size_t __nbytes,
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__off_t *__restrict __basep)
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__THROW __nonnull ((2, 4));
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extern __ssize_t __getdents (int __fd, char *__buf, size_t __nbytes)
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attribute_hidden;
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extern __ssize_t __getdents64 (int __fd, char *__buf, size_t __nbytes)
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attribute_hidden;
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extern int __alphasort64 (const struct dirent64 **a, const struct dirent64 **b)
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__attribute_pure__;
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extern int __versionsort64 (const struct dirent64 **a,
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const struct dirent64 **b)
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__attribute_pure__;
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extern DIR *__alloc_dir (int fd, bool close_fd, int flags,
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const struct stat64 *statp) attribute_hidden;
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extern __typeof (rewinddir) __rewinddir;
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extern __typeof (seekdir) __seekdir;
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extern __typeof (dirfd) __dirfd;
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libc_hidden_proto (dirfd);
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extern void __scandir_cancel_handler (void *arg) attribute_hidden;
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extern int __scandir_tail (DIR *dp,
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struct dirent ***namelist,
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int (*select) (const struct dirent *),
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int (*cmp) (const struct dirent **,
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const struct dirent **))
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attribute_hidden;
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# if !_DIRENT_MATCHES_DIRENT64
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extern int __scandir_tail (DIR *dp,
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struct dirent ***namelist,
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int (*select) (const struct dirent *),
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int (*cmp) (const struct dirent **,
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const struct dirent **))
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attribute_hidden;
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# endif
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extern int __scandir64_tail (DIR *dp,
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struct dirent64 ***namelist,
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int (*select) (const struct dirent64 *),
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int (*cmp) (const struct dirent64 **,
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const struct dirent64 **))
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attribute_hidden;
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libc_hidden_proto (__rewinddir)
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extern __typeof (scandirat) __scandirat;
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# if IS_IN (rtld) && !defined NO_RTLD_HIDDEN
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extern __typeof (__rewinddir) __rewinddir attribute_hidden;
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# endif
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# endif
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#endif
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