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Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/chown.c')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/chown.c140
1 files changed, 67 insertions, 73 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/chown.c b/sysdeps/unix/sysv/linux/powerpc/chown.c
index fdcbd3683a..4b283e720c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/chown.c
+++ b/sysdeps/unix/sysv/linux/powerpc/chown.c
@@ -1,5 +1,5 @@
 /* chown() compatibility.
-   Copyright (C) 1998, 2000, 2002, 2003, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2000, 2002, 2003 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
@@ -24,8 +24,6 @@
 #include <sysdep.h>
 #include <stdlib.h>
 
-#include <kernel-features.h>
-
 /*
   In Linux 2.1.x the chown functions have been changed.  A new function lchown
   was introduced.  The new chown now follows symlinks - the old chown and the
@@ -36,61 +34,58 @@
 int
 __chown (const char *file, uid_t owner, gid_t group)
 {
-#if __ASSUME_LCHOWN_SYSCALL
-  return INLINE_SYSCALL (chown, 3, file, owner, group);
-#else
-  int err;
-  int old_errno;
-  char link[PATH_MAX + 2];
-  char path[2 * PATH_MAX + 4];
-  int loopct;
-  size_t filelen;
-  static int libc_old_chown = 0 /* -1=old linux, 1=new linux, 0=unknown */;
-
-  if (libc_old_chown == 1)
-    return INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group);
-
-  old_errno = errno;
-
-# ifdef __NR_lchown
-  if (libc_old_chown == 0)
-    {
-      err = INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group);
-      if (err != -1 || errno != ENOSYS)
-	{
-	  libc_old_chown = 1;
-	  return err;
-	}
-      libc_old_chown = -1;
-    }
-# endif
-
-  err = __readlink (file, link, PATH_MAX + 1);
-  if (err == -1)
-    {
-      __set_errno (old_errno);
-      return __lchown (file, owner, group);
-    }
-
-  filelen = strlen (file) + 1;
-  if (filelen > sizeof (path))
-    {
-      __set_errno (ENAMETOOLONG);
-      return -1;
-    }
-  memcpy (path, file, filelen);
-
-  /* 'The system has an arbitrary limit...'  In practise, we'll hit
-     ENAMETOOLONG before this, usually.  */
-  for (loopct = 0; loopct < 128; ++loopct)
-    {
-      size_t linklen;
-
-      if (err >= PATH_MAX + 1)
-	{
-	  __set_errno (ENAMETOOLONG);
-	  return -1;
-	}
+   int err;
+   int old_errno;
+   char link[PATH_MAX+2];
+   char path[2*PATH_MAX+4];
+   int loopct;
+   size_t filelen;
+   static int libc_old_chown = 0 /* -1=old linux, 1=new linux, 0=unknown */;
+
+   if (libc_old_chown == 1)
+     return INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group);
+
+   old_errno = errno;
+
+#ifdef __NR_lchown
+   if (libc_old_chown == 0)
+     {
+       err = INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group);
+       if (err != -1 || errno != ENOSYS)
+	 {
+	   libc_old_chown = 1;
+	   return err;
+	 }
+       libc_old_chown = -1;
+     }
+#endif
+
+   err = __readlink (file, link, PATH_MAX+1);
+   if (err == -1)
+     {
+       errno = old_errno;
+       return __lchown(file, owner, group);
+     }
+
+   filelen = strlen (file) + 1;
+   if (filelen > sizeof(path))
+     {
+       errno = ENAMETOOLONG;
+       return -1;
+     }
+   memcpy (path, file, filelen);
+
+   /* 'The system has an arbitrary limit...'  In practise, we'll hit
+      ENAMETOOLONG before this, usually.  */
+   for (loopct = 0; loopct < 128; loopct++)
+   {
+     size_t linklen;
+
+     if (err >= PATH_MAX+1)
+       {
+	 errno = ENAMETOOLONG;
+	 return -1;
+       }
 
       link[err] = 0;  /* Null-terminate string, just-in-case.  */
 
@@ -102,29 +97,28 @@ __chown (const char *file, uid_t owner, gid_t group)
 	{
 	  filelen = strlen (path);
 
-	  while (filelen > 1 && path[filelen - 1] == '/')
-	    --filelen;
-	  while (filelen > 0 && path[filelen - 1] != '/')
-	    --filelen;
-	  if (filelen + linklen > sizeof (path))
+	  while (filelen > 1 && path[filelen-1] == '/')
+	    filelen--;
+	  while (filelen > 0 && path[filelen-1] != '/')
+	    filelen--;
+	  if (filelen + linklen > sizeof(path))
 	    {
 	      errno = ENAMETOOLONG;
 	      return -1;
 	    }
-	  memcpy (path + filelen, link, linklen);
+	  memcpy (path+filelen, link, linklen);
 	}
 
-      err = __readlink (path, link, PATH_MAX + 1);
+      err = __readlink(path, link, PATH_MAX+1);
 
       if (err == -1)
-	{
-	  __set_errno (old_errno);
-	  return __lchown (path, owner, group);
-	}
-    }
-  __set_errno (ELOOP);
-  return -1;
-#endif
+      {
+	errno = old_errno;
+	return __lchown(path, owner, group);
+      }
+   }
+   errno = ELOOP;
+   return -1;
 }
 libc_hidden_def (__chown)