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authorJoseph Myers <joseph@codesourcery.com>2012-05-14 14:11:02 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-05-14 14:11:02 +0000
commitffb7875d03e224584fd1e3dc8bb6e90c79ed606e (patch)
tree7735bbae8f840773afe241281ae1184cd956acc8 /sysdeps/unix/sysv/linux/i386/chown.c
parent1bfb72913bf82781ae232d056991362b2b071800 (diff)
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Remove pre-2.2 Linux kernel support.
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/chown.c')
-rw-r--r--sysdeps/unix/sysv/linux/i386/chown.c79
1 files changed, 11 insertions, 68 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/chown.c b/sysdeps/unix/sysv/linux/i386/chown.c
index b87605f602..c8e53e4e00 100644
--- a/sysdeps/unix/sysv/linux/i386/chown.c
+++ b/sysdeps/unix/sysv/linux/i386/chown.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1998,1999,2000,2002,2003,2004,2006
-	Free Software Foundation, Inc.
+/* Copyright (C) 1998-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -42,64 +41,22 @@ extern int __chown_is_lchown (const char *__file, uid_t __owner,
 extern int __real_chown (const char *__file, uid_t __owner, gid_t __group);
 
 
-#if defined __NR_lchown || __ASSUME_LCHOWN_SYSCALL > 0
-/* Running under Linux > 2.1.80.  */
-
-# ifdef __NR_chown32
+#ifdef __NR_chown32
 #  if __ASSUME_32BITUIDS == 0
 /* This variable is shared with all files that need to check for 32bit
    uids.  */
 extern int __libc_missing_32bit_uids;
-#  endif
-# endif /* __NR_chown32 */
+# endif
+#endif /* __NR_chown32 */
 
 int
 __real_chown (const char *file, uid_t owner, gid_t group)
 {
-# if __ASSUME_LCHOWN_SYSCALL == 0
-  static int __libc_old_chown;
-  int result;
-
-  if (!__libc_old_chown)
-    {
-      int saved_errno = errno;
-#  ifdef __NR_chown32
-      if (__libc_missing_32bit_uids <= 0)
-	{
-	  int result;
-	  int saved_errno = errno;
-
-	  result = INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
-	  if (result == 0 || errno != ENOSYS)
-	    return result;
-
-	  __set_errno (saved_errno);
-	  __libc_missing_32bit_uids = 1;
-	}
-#  endif /* __NR_chown32 */
-      if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U))
-	  || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
-	{
-	  __set_errno (EINVAL);
-	  return -1;
-	}
-
-      result = INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group);
-
-      if (result >= 0 || errno != ENOSYS)
-	return result;
-
-      __set_errno (saved_errno);
-      __libc_old_chown = 1;
-    }
-
-  return __lchown (file, owner, group);
-# elif __ASSUME_32BITUIDS
-  /* This implies __ASSUME_LCHOWN_SYSCALL.  */
+#if __ASSUME_32BITUIDS
   return INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
-# else
-  /* !__ASSUME_32BITUIDS && ASSUME_LCHOWN_SYSCALL  */
-#  ifdef __NR_chown32
+#else
+  /* !__ASSUME_32BITUIDS */
+# ifdef __NR_chown32
   if (__libc_missing_32bit_uids <= 0)
     {
       int result;
@@ -112,7 +69,7 @@ __real_chown (const char *file, uid_t owner, gid_t group)
       __set_errno (saved_errno);
       __libc_missing_32bit_uids = 1;
     }
-#  endif /* __NR_chown32 */
+# endif /* __NR_chown32 */
   if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U))
       || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
     {
@@ -121,19 +78,11 @@ __real_chown (const char *file, uid_t owner, gid_t group)
     }
 
   return INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group);
-# endif
-}
 #endif
+}
 
 
-#if !defined __NR_lchown && __ASSUME_LCHOWN_SYSCALL == 0
-/* Compiling under older kernels.  */
-int
-__chown_is_lchown (const char *file, uid_t owner, gid_t group)
-{
-  return INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group);
-}
-#elif SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
+#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
 /* Compiling for compatibiity.  */
 int
 attribute_compat_text_section
@@ -147,12 +96,6 @@ __chown_is_lchown (const char *file, uid_t owner, gid_t group)
 compat_symbol (libc, __chown_is_lchown, chown, GLIBC_2_0);
 #endif
 
-#ifdef __NR_lchown
 versioned_symbol (libc, __real_chown, chown, GLIBC_2_1);
 strong_alias (__real_chown, __chown)
-#else
-strong_alias (__chown_is_lchown, __chown_is_lchown21)
-versioned_symbol (libc, __chown_is_lchown21, chown, GLIBC_2_1);
-strong_alias (__chown_is_lchown, __chown)
-#endif
 libc_hidden_def (__chown)