Virgin import of GNU texinfo 4.0

1 files changed, 37 insertions, 0 deletions

diff --git a/contrib/texinfo/lib/substring.c b/contrib/texinfo/lib/substring.c
new file mode 100644
index 000000000000..089961f88a5d
--- /dev/null
+++ b/contrib/texinfo/lib/substring.c
@@ -0,0 +1,37 @@
+/* substring.c -- extract substring.
+   $Id: substring.c,v 1.1 1999/02/17 22:30:10 karl Exp $
+
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "system.h"
+
+char *
+substring (start, end)
+     char *start;
+     char *end;
+{
+  char *result = xmalloc (end - start + 1);
+  char *scan_result = result;
+  char *scan = start;
+
+  while (scan < end)
+    *scan_result++ = *scan++;
+
+  *scan_result = 0;
+  return result;
+}
+