1 /*- 2 * Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua> 3 * at Electronni Visti IA, Kiev, Ukraine. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <stdlib.h> 32 #include <string.h> 33 #include "collate.h" 34 35 size_t 36 strxfrm(dest, src, len) 37 char *dest; 38 const char *src; 39 size_t len; 40 { 41 int prim, sec, l; 42 size_t slen; 43 char *s, *ss; 44 45 if (!*src) { 46 if (len > 0) 47 *dest = '\0'; 48 return 0; 49 } 50 51 if (__collate_load_error) { 52 slen = strlen(src); 53 if (len > 0) { 54 if (slen < len) 55 strcpy(dest, src); 56 else { 57 strncpy(dest, src, len - 1); 58 dest[len - 1] = '\0'; 59 } 60 } 61 return slen; 62 } 63 64 slen = 0; 65 prim = sec = 0; 66 ss = s = __collate_substitute(src); 67 while (*s) { 68 while (*s && !prim) { 69 __collate_lookup(s, &l, &prim, &sec); 70 s += l; 71 } 72 if (prim) { 73 if (len > 1) { 74 *dest++ = (char)prim; 75 len--; 76 } 77 slen++; 78 prim = 0; 79 } 80 } 81 free(ss); 82 if (len > 0) 83 *dest = '\0'; 84 85 return slen; 86 } 87