initial import

1 files changed, 49 insertions, 0 deletions

diff --git a/sysdeps/generic/strrchr.c b/sysdeps/generic/strrchr.c
new file mode 100644
index 0000000000..29402f086c
--- /dev/null
+++ b/sysdeps/generic/strrchr.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 1991, 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>
+
+
+/* Find the last ocurrence of C in S.  */
+char *
+DEFUN(strrchr, (s, c), CONST char *s AND int c)
+{
+  register CONST char *found, *p;
+
+  c = (unsigned char) c;
+
+  /* Since strchr is fast, we use it rather than the obvious loop.  */
+  
+  if (c == '\0')
+    return strchr(s, '\0');
+
+  found = NULL;
+  while ((p = strchr(s, c)) != NULL)
+    {
+      found = p;
+      s = p + 1;
+    }
+
+  return (char *) found;
+}
+
+#ifdef weak_alias
+#undef rindex
+weak_alias (strrchr, rindex)
+#endif