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-rw-r--r--lib/libc/string/strcoll.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/lib/libc/string/strcoll.c b/lib/libc/string/strcoll.c
new file mode 100644
index 0000000..a0daf8d
--- /dev/null
+++ b/lib/libc/string/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("$FreeBSD$");
+
+#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;
+}
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