1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/generic/strncase.c b/sysdeps/generic/strncase.c
new file mode 100644
index 0000000000..f589937fac
--- /dev/null
+++ b/sysdeps/generic/strncase.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 1992 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>
+#include <ctype.h>
+
+/* Compare no more than N characters of S1 and S2,
+   ignoring case, returning less than, equal to or
+   greater than zero if S1 is lexicographically less
+   than, equal to or greater than S2.  */
+int
+DEFUN(strncasecmp, (s1, s2, n),
+      CONST char *s1 AND CONST char *s2 AND size_t n)
+{
+  register CONST unsigned char *p1 = (CONST unsigned char *) s1;
+  register CONST unsigned char *p2 = (CONST unsigned char *) s2;
+  unsigned char c1, c2;
+
+  if (p1 == p2 || n == 0)
+    return 0;
+
+  do
+    {
+      c1 = tolower (*p1++);
+      c2 = tolower (*p2++);
+      if (c1 == '\0' || c1 != c2)
+	return c1 - c2;
+    } while (--n > 0);
+
+  return c1 - c2;
+}