diff src/strcat.c @ 2:ac2d302a0011 r19-15b2

Import from CVS: tag r19-15b2
author cvs
date Mon, 13 Aug 2007 08:46:35 +0200
parents
children 850242ba4a81
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/strcat.c	Mon Aug 13 08:46:35 2007 +0200
@@ -0,0 +1,55 @@
+/* Copyright (C) 1991 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.  */
+
+/* Synched up with: Not in FSF. */
+
+/* In HPUX 10 the strcat function references memory past the last byte of 
+   the string!  This will core dump if the memory following the last byte is 
+   not mapped.
+
+   Here is a correct version from glibc 1.09.
+*/
+
+char *strcat (char *dest, const char *src);
+
+/* Append SRC on the end of DEST.  */
+char *
+strcat (char *dest, const char *src)
+{
+  register char *s1 = dest;
+  register const char *s2 = src;
+  char c;
+
+  /* Find the end of the string.  */
+  do
+    c = *s1++;
+  while (c != '\0');
+
+  /* Make S1 point before the next character, so we can increment
+     it while memory is read (wins on pipelined cpus).  */
+  s1 -= 2;
+
+  do
+    {
+      c = *s2++;
+      *++s1 = c;
+    }
+  while (c != '\0');
+
+  return dest;
+}