Move lib/strncasecmp.c to gettext-tools/lib/strncasecmp.c.

1 files changed, 74 insertions, 0 deletions

diff --git a/gettext-tools/lib/strncasecmp.c b/gettext-tools/lib/strncasecmp.c
new file mode 100644
index 0000000..0cdbabe
--- /dev/null
+++ b/gettext-tools/lib/strncasecmp.c
@@ -0,0 +1,74 @@
+/* Compare at most N characters of two strings without taking care for
+   the case.
+   Copyright (C) 1992, 1996-1997, 2002 Free Software Foundation, Inc.
+
+   NOTE: The canonical source of this file is maintained with the GNU C Library.
+   Bugs can be reported to bug-glibc@gnu.org.
+
+   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.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+#include <ctype.h>
+
+#ifndef weak_alias
+# define __strncasecmp strncasecmp
+# define TOLOWER(Ch) tolower (Ch)
+#else
+# ifdef USE_IN_EXTENDED_LOCALE_MODEL
+#  define __strncasecmp __strncasecmp_l
+#  define TOLOWER(Ch) __tolower_l ((Ch), loc)
+# else
+#  define TOLOWER(Ch) tolower (Ch)
+# endif
+#endif
+
+#ifdef USE_IN_EXTENDED_LOCALE_MODEL
+# define LOCALE_PARAM , __locale_t loc
+#else
+# define LOCALE_PARAM
+#endif
+
+/* 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
+__strncasecmp (const char *s1, const char *s2, size_t n LOCALE_PARAM)
+{
+  const unsigned char *p1 = (const unsigned char *) s1;
+  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)
+	break;
+    } while (--n > 0);
+
+  return c1 - c2;
+}
+#ifndef __strncasecmp
+weak_alias (__strncasecmp, strncasecmp)
+#endif