Add wcscasecmp() compatibility function (for OS X)

diff --git a/configure.ac b/configure.ac
index 80566d0d8c9219304aae3f3e18200938d02d808c..c45344338fb2d21fd6b4de75ceb80bc6bdb63200 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -343,7 +343,7 @@ AC_CHECK_TYPE(ssize_t, int)
 
 AC_CHECK_FUNCS(fgetpos memmove setegid srand48 strerror)
 
-AC_REPLACE_FUNCS([setenv strcasecmp strdup strsep strtok_r])
+AC_REPLACE_FUNCS([setenv strcasecmp strdup strsep strtok_r wcscasecmp])
 
 AC_CHECK_FUNC(getopt)
 if test $ac_cv_func_getopt = yes; then

diff --git a/protos.h b/protos.h
index e1f9f804ee2bcb14a85b4777886c98b8d0bf7eb7..bc49b8df01a57ee354de3b10081a833126cb66ca 100644 (file)
--- a/protos.h
+++ b/protos.h
@@ -549,3 +549,6 @@ char *strsep (char **, const char *);
 char *strtok_r (char *, const char *, char **);
 #endif
 
+#ifndef HAVE_WCSCASECMP
+int wcscasecmp (const wchar_t *a, const wchar_t *b);
+#endif

diff --git a/wcscasecmp.c b/wcscasecmp.c
new file mode 100644 (file)
index 0000000..52388c9
--- /dev/null
+++ b/wcscasecmp.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2009 Rocco Rutte <pdmef@gmx.net>
+ *
+ *     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 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "mutt.h"
+#include "mbyte.h"
+
+int wcscasecmp (const wchar_t *a, const wchar_t *b)
+{
+  const wchar_t *p = a;
+  const wchar_t *q = b;
+  int i;
+
+  if (!a && !b)
+    return 0;
+  if (!a && b)
+    return -1;
+  if (a && !b)
+    return 1;
+
+  for ( ; *p || *q; p++, q++)
+  {
+    if ((i = towlower (*p)) - towlower (*q))
+      return i;
+  }
+  return 0;
+}