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/*-
* 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.
*
* $Id: strxfrm.c,v 1.4 1995/02/18 11:36:33 ache Exp $
*/
#include <stdlib.h>
#include <string.h>
#include "collate.h"
size_t
strxfrm(dest, src, len)
char *dest;
const char *src;
size_t len;
{
int prim, sec, l;
char *d = dest, *s, *ss;
if (len < 1)
return 0;
if (!*src) {
*d = '\0';
return 0;
}
if (__collate_load_error) {
size_t slen = strlen(src);
if (slen < len) {
strcpy(d, src);
return slen;
}
strncpy(d, src, len - 1);
d[len - 1] = '\0';
return len - 1;
}
ss = s = __collate_substitute(src);
prim = sec = 0;
while (*s && len > 1) {
while (*s && !prim) {
__collate_lookup(s, &l, &prim, &sec);
s += l;
}
if (prim) {
*d++ = (char)prim;
len--;
}
}
#if 0
s = ss;
while (*s && len > 1) {
while (*s && !prim) {
lookup(s, &l, &prim, &sec);
s += l;
}
if (prim && sec) {
*d++ = (char)sec;
len--;
}
}
#endif /* 0 */
*d = '\0';
free(ss);
return d - dest;
}
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