initial import

sysdeps/vax/memccpy.c

@@ -0,0 +1,45 @@
+/* Copyright (C) 1991, 1992, 1995 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
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <string.h>
+
+
+/* Copy no more than N bytes of SRC to DEST, stopping when C is found.
+   Return the position in DEST one byte past where C was copied,
+   or NULL if C was not found in the first N bytes of SRC.  */
+PTR
+DEFUN(__memccpy, (dest, src, c, n),
+      PTR dest AND CONST PTR src AND int c AND size_t nbytes)
+{
+  /* Except when N > 65535, this is what a hand-coded version would
+     do anyway.  */
+
+  PTR found = memchr (src, c, n);
+
+  if (found == NULL)
+    {
+      (void) memcpy (dest, src, n);
+      return NULL;
+    }
+
+  (void) memcpy (dest, src, (char *) found + 1 - (char *) src);
+  return (PTR) ((char *) dest + ((char *) found + 1 - (char *) src));
+}
+
+weak_alias (__memccpy, memccpy)