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authorUlrich Drepper <drepper@redhat.com>1998-03-08 18:18:43 +0000
committerUlrich Drepper <drepper@redhat.com>1998-03-08 18:18:43 +0000
commitd916515874fcd82d76ddace10b64d7ec9d523ce7 (patch)
tree3fe7eebccfe963a29c215801a69eb35cd2f3553f /sysdeps
parent1581459f2e26e2a6af42790cd7a488806154a294 (diff)
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Update.
1998-03-08 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/chown.c: Add versioning stuff.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/chown.c35
1 files changed, 29 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/chown.c b/sysdeps/unix/sysv/linux/chown.c
index f380d93..578dfc7 100644
--- a/sysdeps/unix/sysv/linux/chown.c
+++ b/sysdeps/unix/sysv/linux/chown.c
@@ -38,7 +38,7 @@ static int __libc_old_chown;
int
-__chown (const char *file, uid_t owner, gid_t group)
+__real_chown (const char *file, uid_t owner, gid_t group)
{
int result;
@@ -56,13 +56,36 @@ __chown (const char *file, uid_t owner, gid_t group)
return __lchown (file, owner, group);
}
-#else
-/* compiling under older kernels */
+#endif
+
+
+#if !defined __NR_lchown || \
+ (defined HAVE_ELF && defined PIC && defined DO_VERSIONING)
+/* compiling under older kernels or for compatibiity */
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
-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