Call memcpy in generic mempcpy

diff --git a/ChangeLog b/ChangeLog
index ed911fa..ad1b1d9 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-02-13   Ondřej Bílka  <neleai@seznam.cz>
+
+       * string/mempcpy.c: Implement by calling memcpy.
+
 2013-02-13  Siddhesh Poyarekar  <siddhesh@redhat.com>
 
        * sysdeps/ieee754/dbl-64/mpexp.c (__mpexp): Remove NFA.

diff --git a/string/mempcpy.c b/string/mempcpy.c
index ba4d1c6..c0d2448 100644 (file)
--- a/string/mempcpy.c
+++ b/string/mempcpy.c
@@ -20,48 +20,14 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <string.h>
-#include <memcopy.h>
-#include <pagecopy.h>
 
 #undef mempcpy
 #undef __mempcpy
 
 void *
-__mempcpy (dstpp, srcpp, len)
-     void *dstpp;
-     const void *srcpp;
-     size_t len;
+__mempcpy (void *dest, const void *src, size_t len)
 {
-  unsigned long int dstp = (long int) dstpp;
-  unsigned long int srcp = (long int) srcpp;
-
-  /* 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);
-
-  return (void *) dstp;
+  return memcpy (dest, src, len) + len;
 }
 libc_hidden_def (__mempcpy)
 weak_alias (__mempcpy, mempcpy)