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1998-03-08  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/chown.c: Add versioning stuff.
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Ulrich Drepper
1998-03-08 18:18:43 +00:00
parent 1581459f2e
commit d916515874
2 changed files with 33 additions and 6 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
1998-03-08 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/chown.c: Add versioning stuff.
1998-03-07 Andreas Jaeger <aj@arthur.rhein-neckar.de> 1998-03-07 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/sysv/linux/chown.c: New file for compatibility of * sysdeps/unix/sysv/linux/chown.c: New file for compatibility of

35
sysdeps/unix/sysv/linux/chown.c
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@ -38,7 +38,7 @@ static int __libc_old_chown;
int int
__chown (const char *file, uid_t owner, gid_t group) __real_chown (const char *file, uid_t owner, gid_t group)
{ {
int result; int result;
@ -56,13 +56,36 @@ __chown (const char *file, uid_t owner, gid_t group)
return __lchown (file, owner, group); return __lchown (file, owner, group);
} }
#else #endif
/* compiling under older kernels */
#if !defined __NR_lchown || \
(defined HAVE_ELF && defined PIC && defined DO_VERSIONING)
/* compiling under older kernels or for compatibiity */
int int
__chown (const char *file, uid_t owner, gid_t group) __chown_is_lchown (const char *file, uid_t owner, gid_t group)
{ {
return __syscall_chown (file, owner, group); return __lchown (file, owner, group);
} }
#endif #endif
weak_alias (__chown, chown) #if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
symbol_version (__chown_is_lchown, __chown, GLIBC_2.0)
symbol_version (__chown_is_lchown, chown, GLIBC_2.0)
# ifdef __NR_lchown
default_symbol_version (__real_chown, __chown, GLIBC_2.1)
default_symbol_version (__real_chown, chown, GLIBC_2.1)
# else
default_symbol_version (__chown_is_lchown, __chown, GLIBC_2.1)
default_symbol_version (__chown_is_lchown, chown, GLIBC_2.1)
# endif
#else
# ifdef __NR_lchown
strong_alias (__real_chown, __chown)
weak_alias (__real_chown, chown)
# else
strong_alias (__chown_is_lchown, __chown)
weak_alias (__chown_is_lchown, chown)
# endif
#endif