Libc-320.tar.gz

[apple/libc.git] / string / FreeBSD / strcoll.c

diff --git a/string/FreeBSD/strcoll.c b/string/FreeBSD/strcoll.c
new file mode 100644 (file)
index 0000000..b93ce48
--- /dev/null
+++ b/string/FreeBSD/strcoll.c
@@ -0,0 +1,86 @@
+/*-
+ * Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
+ *             at Electronni Visti IA, Kiev, Ukraine.
+ *                     All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/lib/libc/string/strcoll.c,v 1.13 2001/11/07 19:55:16 obrien Exp $");
+
+#include <stdlib.h>
+#include <string.h>
+#include "collate.h"
+
+int
+strcoll(s, s2)
+       const char *s, *s2;
+{
+       int len, len2, prim, prim2, sec, sec2, ret, ret2;
+       const char *t, *t2;
+       char *tt, *tt2;
+
+       if (__collate_load_error)
+               return strcmp(s, s2);
+
+       len = len2 = 1;
+       ret = ret2 = 0;
+       if (__collate_substitute_nontrivial) {
+               t = tt = __collate_substitute(s);
+               t2 = tt2 = __collate_substitute(s2);
+       } else {
+               tt = tt2 = NULL;
+               t = s;
+               t2 = s2;
+       }
+       while(*t && *t2) {
+               prim = prim2 = 0;
+               while(*t && !prim) {
+                       __collate_lookup(t, &len, &prim, &sec);
+                       t += len;
+               }
+               while(*t2 && !prim2) {
+                       __collate_lookup(t2, &len2, &prim2, &sec2);
+                       t2 += len2;
+               }
+               if(!prim || !prim2)
+                       break;
+               if(prim != prim2) {
+                       ret = prim - prim2;
+                       goto end;
+               }
+               if(!ret2)
+                       ret2 = sec - sec2;
+       }
+       if(!*t && *t2)
+               ret = -(int)((u_char)*t2);
+       else if(*t && !*t2)
+               ret = (u_char)*t;
+       else if(!*t && !*t2)
+               ret = ret2;
+  end:
+       free(tt);
+       free(tt2);
+
+       return ret;
+}