1 files changed, 50 insertions, 0 deletions
diff --git a/lib/make-suffix.c b/lib/make-suffix.c
new file mode 100644
index 0000000..1935c3f
--- /dev/null
+++ b/lib/make-suffix.c
@@ -0,0 +1,50 @@
+/* make-suffix.c: unconditionally add a filename suffix.
+
+Copyright (C) 1992, 93, 95 Free Software Foundation, Inc.
+
+This 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.
+
+This 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 this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include <kpathsea/config.h>
+#include <kpathsea/c-pathch.h>
+
+/* Return a new string: S suffixed with SUFFIX, regardless of what it
+   was before. This returns a newly allocated string.  */ 
+
+string
+make_suffix P2C(const_string, s,  const_string, suffix)
+{
+  string new_s;
+  const_string dot_pos = strrchr (s, '.');
+  const_string slash_pos;
+  
+  for (slash_pos = s + strlen (s) - 1; slash_pos > dot_pos && slash_pos > s;
+       slash_pos--) {
+    if (IS_DIR_SEP (*slash_pos))
+      break;
+  }
+
+  if (dot_pos == NULL || slash_pos > dot_pos )
+    new_s = concat3 (s, ".", suffix);
+  else
+    {
+      unsigned past_dot_index = dot_pos + 1 - s;
+      
+      new_s = xmalloc (past_dot_index + strlen (suffix) + 1);
+      strncpy (new_s, s, dot_pos + 1 - s);
+      strcpy (new_s + past_dot_index, suffix);
+    }
+
+  return new_s;
+}