about summary refs log tree commit diff
path: root/string/memmove.c
diff options
context:
space:
mode:
Diffstat (limited to 'string/memmove.c')
-rw-r--r--string/memmove.c112
1 files changed, 0 insertions, 112 deletions
diff --git a/string/memmove.c b/string/memmove.c
deleted file mode 100644
index 16671f7bb5..0000000000
--- a/string/memmove.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/* Copy memory to memory until the specified number of bytes
-   has been copied.  Overlap is handled correctly.
-   Copyright (C) 1991, 1995, 1996, 1997, 2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Torbjorn Granlund (tege@sics.se).
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <string.h>
-#include <memcopy.h>
-#include <pagecopy.h>
-
-/* All this is so that bcopy.c can #include
-   this file after defining some things.  */
-#ifndef	a1
-#define	a1	dest	/* First arg is DEST.  */
-#define	a1const
-#define	a2	src	/* Second arg is SRC.  */
-#define	a2const	const
-#undef memmove
-#endif
-#if	!defined(RETURN) || !defined(rettype)
-#define	RETURN(s)	return (s)	/* Return DEST.  */
-#define	rettype		void *
-#endif
-
-
-rettype
-memmove (a1, a2, len)
-     a1const void *a1;
-     a2const void *a2;
-     size_t len;
-{
-  unsigned long int dstp = (long int) dest;
-  unsigned long int srcp = (long int) src;
-
-  /* This test makes the forward copying code be used whenever possible.
-     Reduces the working set.  */
-  if (dstp - srcp >= len)	/* *Unsigned* compare!  */
-    {
-      /* Copy from the beginning to the end.  */
-
-      /* If there not too few bytes to copy, use word copy.  */
-      if (len >= OP_T_THRES)
-	{
-	  /* Copy just a few bytes to make DSTP aligned.  */
-	  len -= (-dstp) % OPSIZ;
-	  BYTE_COPY_FWD (dstp, srcp, (-dstp) % OPSIZ);
-
-	  /* Copy whole pages from SRCP to DSTP by virtual address
-	     manipulation, as much as possible.  */
-
-	  PAGE_COPY_FWD_MAYBE (dstp, srcp, len, len);
-
-	  /* Copy from SRCP to DSTP taking advantage of the known
-	     alignment of DSTP.  Number of bytes remaining is put
-	     in the third argument, i.e. in LEN.  This number may
-	     vary from machine to machine.  */
-
-	  WORD_COPY_FWD (dstp, srcp, len, len);
-
-	  /* Fall out and copy the tail.  */
-	}
-
-      /* There are just a few bytes to copy.  Use byte memory operations.  */
-      BYTE_COPY_FWD (dstp, srcp, len);
-    }
-  else
-    {
-      /* Copy from the end to the beginning.  */
-      srcp += len;
-      dstp += len;
-
-      /* If there not too few bytes to copy, use word copy.  */
-      if (len >= OP_T_THRES)
-	{
-	  /* Copy just a few bytes to make DSTP aligned.  */
-	  len -= dstp % OPSIZ;
-	  BYTE_COPY_BWD (dstp, srcp, dstp % OPSIZ);
-
-	  /* Copy from SRCP to DSTP taking advantage of the known
-	     alignment of DSTP.  Number of bytes remaining is put
-	     in the third argument, i.e. in LEN.  This number may
-	     vary from machine to machine.  */
-
-	  WORD_COPY_BWD (dstp, srcp, len, len);
-
-	  /* Fall out and copy the tail.  */
-	}
-
-      /* There are just a few bytes to copy.  Use byte memory operations.  */
-      BYTE_COPY_BWD (dstp, srcp, len);
-    }
-
-  RETURN (dest);
-}
-#ifndef memmove
-libc_hidden_builtin_def (memmove)
-#endif