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Consolidate alphasort{64} and versionsort{64} implementation
This patch consolidates both alphasort{64} and versionsort{64}
implementation on just the default dirent/alphasort{64}c and
dirent/versionsort{64} respectively. It changes the logic
to follow the conventions used on other code consolidation:
* the non-LFS variant is only built for _DIRENT_MATCHES_DIRENT64 being 0.
* the LFS variant 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. For powerpc32 and sparcv9
it requires to add specific arch-implementation to override the
generic Linux one because neither ABI exports an compat symbol for
non-LFS alphasort64 and versionsort64 variant. It is most likely a
bug and it is also not one that can be fixed (in that there would be
existing binaries expecting both meanings of that symbol at its single
existing version, with binaries expecting the new meaning probably much
more common than those expecting the original meaning of that symbol at
that version).
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/alphasort.c (alphasort): Build iff _DIRENT_MATCHES_DIRENT64 is
defined.
* dirent/versionsort.c (versionsort): Likewise.
* dirent/alphasort64.c (alphasort64): Build regardless and alias to
alphasort if _DIRENT_MATCHES_DIRENT64 is defined.
* dirent/versionsort64.c (versionsort64): Likewise.
* sysdeps/unix/sysv/linux/i386/alphasort64.c: Remove file.
* sysdeps/unix/sysv/linux/arm/alphasort64.c: Likewise.
* sysdeps/unix/sysv/linux/arm/versionsort64.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/alphasort64.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/versionsort64.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/alphasort64.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/versionsort64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/versionsort64.c: Likewise.
* sysdeps/unix/sysv/linux/alphasort64.c: New file.
* sysdeps/unix/sysv/linux/versionsort64.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/alphasort64.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/versionsort64.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/alphasort64.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/versionsort64.c: Likewise.
This commit is contained in:
Adhemerval Zanella
parent
da5e0361d9
commit
af7e376b00
23
ChangeLog
23
ChangeLog
@ -1,3 +1,26 @@
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2018-04-23 Adhemerval Zanella <adhemerval.zanella@linaro.org>
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* dirent/alphasort.c (alphasort): Build iff _DIRENT_MATCHES_DIRENT64 is
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defined.
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* dirent/versionsort.c (versionsort): Likewise.
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* dirent/alphasort64.c (alphasort64): Build regardless and alias to
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alphasort if _DIRENT_MATCHES_DIRENT64 is defined.
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* dirent/versionsort64.c (versionsort64): Likewise.
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* sysdeps/unix/sysv/linux/i386/alphasort64.c: Remove file.
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* sysdeps/unix/sysv/linux/arm/alphasort64.c: Likewise.
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* sysdeps/unix/sysv/linux/arm/versionsort64.c: Likewise.
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* sysdeps/unix/sysv/linux/m68k/alphasort64.c: Likewise.
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* sysdeps/unix/sysv/linux/m68k/versionsort64.c: Likewise.
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* sysdeps/unix/sysv/linux/s390/s390-32/alphasort64.c: Likewise.
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* sysdeps/unix/sysv/linux/s390/s390-32/versionsort64.c: Likewise.
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* sysdeps/unix/sysv/linux/i386/versionsort64.c: Likewise.
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* sysdeps/unix/sysv/linux/alphasort64.c: New file.
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* sysdeps/unix/sysv/linux/versionsort64.c: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/alphasort64.c: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/versionsort64.c: Likewise.
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* sysdeps/unix/sysv/linux/sparc/sparc32/alphasort64.c: Likewise.
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* sysdeps/unix/sysv/linux/sparc/sparc32/versionsort64.c: Likewise.
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2018-04-23 Joseph Myers <joseph@codesourcery.com>
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* elf/elf.h (NT_PPC_PKEY): New macro.
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@ -15,23 +15,14 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* We need to avoid the header declaration of alphasort64, because
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the types don't match alphasort and then the compiler will
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complain about the mismatch when we do the alias below. */
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#define alphasort64 __renamed_alphasort64
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#include <dirent.h>
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#undef alphasort64
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#include <string.h>
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#if !_DIRENT_MATCHES_DIRENT64
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# include <string.h>
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int
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alphasort (const struct dirent **a, const struct dirent **b)
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{
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return strcoll ((*a)->d_name, (*b)->d_name);
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}
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#if _DIRENT_MATCHES_DIRENT64
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weak_alias (alphasort, alphasort64)
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#endif
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@ -15,16 +15,17 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#define alphasort __no_alphasort_decl
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#include <dirent.h>
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#undef alphasort
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#include <string.h>
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/* alphasort.c defines alphasort64 as an alias if _DIRENT_MATCHES_DIRENT64. */
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#if !_DIRENT_MATCHES_DIRENT64
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int
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alphasort64 (const struct dirent64 **a, const struct dirent64 **b)
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{
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return strcoll ((*a)->d_name, (*b)->d_name);
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}
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#if _DIRENT_MATCHES_DIRENT64
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weak_alias (alphasort64, alphasort)
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#endif
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@ -15,16 +15,10 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* We need to avoid the header declaration of versionsort64, because
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the types don't match versionsort and then the compiler will
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complain about the mismatch when we do the alias below. */
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#define versionsort64 __renamed_versionsort64
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#include <dirent.h>
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#undef versionsort64
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#include <string.h>
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#if !_DIRENT_MATCHES_DIRENT64
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# include <string.h>
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int
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versionsort (const struct dirent **a, const struct dirent **b)
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@ -32,6 +26,4 @@ versionsort (const struct dirent **a, const struct dirent **b)
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return __strverscmp ((*a)->d_name, (*b)->d_name);
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}
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#if _DIRENT_MATCHES_DIRENT64
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weak_alias (versionsort, versionsort64)
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#endif
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@ -15,16 +15,17 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#define versionsort __no_versionsort_decl
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#include <dirent.h>
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#undef versionsort
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#include <string.h>
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/* versionsort.c defines a versionsort64 alias if _DIRENT_MATCHES_DIRENT64. */
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#if !_DIRENT_MATCHES_DIRENT64
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int
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versionsort64 (const struct dirent64 **a, const struct dirent64 **b)
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{
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return __strverscmp ((*a)->d_name, (*b)->d_name);
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}
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#if !_DIRENT_MATCHES_DIRENT64
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weak_alias (versionsort64, versionsort)
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#endif
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@ -15,7 +15,9 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#define alphasort __no_alphasort_decl
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#include <dirent.h>
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#undef alphasort
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#include <string.h>
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int
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@ -24,17 +26,14 @@ __alphasort64 (const struct dirent64 **a, const struct dirent64 **b)
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return strcoll ((*a)->d_name, (*b)->d_name);
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}
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#include <shlib-compat.h>
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#if _DIRENT_MATCHES_DIRENT64
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weak_alias (__alphasort64, alphasort64)
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weak_alias (__alphasort64, alphasort)
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#else
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# include <shlib-compat.h>
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versioned_symbol (libc, __alphasort64, alphasort64, GLIBC_2_2);
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#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
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#include <olddirent.h>
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int
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__old_alphasort64 (const struct __old_dirent64 **a,
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const struct __old_dirent64 **b);
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# if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
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# include <olddirent.h>
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int
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attribute_compat_text_section
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@ -45,4 +44,5 @@ __old_alphasort64 (const struct __old_dirent64 **a,
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}
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compat_symbol (libc, __old_alphasort64, alphasort64, GLIBC_2_1);
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#endif
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# endif /* SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) */
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#endif /* _DIRENT_MATCHES_DIRENT64 */
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@ -1 +0,0 @@
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#include <sysdeps/unix/sysv/linux/i386/alphasort64.c>
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@ -1 +0,0 @@
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#include <sysdeps/unix/sysv/linux/i386/versionsort64.c>
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@ -1 +0,0 @@
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#include <sysdeps/unix/sysv/linux/i386/alphasort64.c>
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@ -1 +0,0 @@
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#include <sysdeps/unix/sysv/linux/i386/versionsort64.c>
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3
sysdeps/unix/sysv/linux/powerpc/powerpc32/alphasort64.c
Normal file
3
sysdeps/unix/sysv/linux/powerpc/powerpc32/alphasort64.c
Normal file
@ -0,0 +1,3 @@
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/* Although powerpc32 define _DIRENT_MATCHES_DIRENT64=0 and have compat
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mode for 2.1, it does have a compat symbol for alphasort64. */
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#include <dirent/alphasort64.c>
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@ -0,0 +1,3 @@
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/* Although powerpc32 define _DIRENT_MATCHES_DIRENT64=0 and have compat
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mode for 2.1, it does have a compat symbol for alphasort64. */
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#include <dirent/versionsort64.c>
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@ -1 +0,0 @@
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#include <sysdeps/unix/sysv/linux/i386/alphasort64.c>
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@ -1 +0,0 @@
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#include <sysdeps/unix/sysv/linux/i386/versionsort64.c>
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3
sysdeps/unix/sysv/linux/sparc/sparc32/alphasort64.c
Normal file
3
sysdeps/unix/sysv/linux/sparc/sparc32/alphasort64.c
Normal file
@ -0,0 +1,3 @@
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/* Although sparc32 define _DIRENT_MATCHES_DIRENT64=0 and have compat
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mode for 2.1, it does have a compat symbol for alphasort64. */
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#include <dirent/alphasort64.c>
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3
sysdeps/unix/sysv/linux/sparc/sparc32/versionsort64.c
Normal file
3
sysdeps/unix/sysv/linux/sparc/sparc32/versionsort64.c
Normal file
@ -0,0 +1,3 @@
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/* Although sparc32 define _DIRENT_MATCHES_DIRENT64=0 and have compat
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mode for 2.1, it does have a compat symbol for alphasort64. */
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#include <dirent/versionsort64.c>
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@ -15,7 +15,9 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#define versionsort __no_versionsort_decl
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#include <dirent.h>
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#undef versionsort
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#include <string.h>
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int
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@ -24,17 +26,14 @@ __versionsort64 (const struct dirent64 **a, const struct dirent64 **b)
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return __strverscmp ((*a)->d_name, (*b)->d_name);
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}
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#include <shlib-compat.h>
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#if _DIRENT_MATCHES_DIRENT64
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weak_alias (__versionsort64, versionsort64)
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weak_alias (__versionsort64, versionsort)
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#else
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# include <shlib-compat.h>
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versioned_symbol (libc, __versionsort64, versionsort64, GLIBC_2_2);
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#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
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#include <olddirent.h>
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int
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__old_versionsort64 (const struct __old_dirent64 **a,
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const struct __old_dirent64 **b);
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# if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
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# include <olddirent.h>
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int
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attribute_compat_text_section
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@ -45,4 +44,5 @@ __old_versionsort64 (const struct __old_dirent64 **a,
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}
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compat_symbol (libc, __old_versionsort64, versionsort64, GLIBC_2_1);
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#endif
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# endif /* SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) */
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#endif /* _DIRENT_MATCHES_DIRENT64 */
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