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 #ifndef lint 29 static const char rcsid[] = 30 "$FreeBSD$"; 31 #endif 32 33 #include <stdlib.h> 34 #include <string.h> 35 #include "collate.h" 36 37 size_t 38 strxfrm(dest, src, len) 39 char *dest; 40 const char *src; 41 size_t len; 42 { 43 int prim, sec, l; 44 size_t slen; 45 char *s, *ss; 46 47 if (!*src) { 48 if (len > 0) 49 *dest = '\0'; 50 return 0; 51 } 52 53 if (__collate_load_error) { 54 slen = strlen(src); 55 if (len > 0) { 56 if (slen < len) 57 strcpy(dest, src); 58 else { 59 strncpy(dest, src, len - 1); 60 dest[len - 1] = '\0'; 61 } 62 } 63 return slen; 64 } 65 66 slen = 0; 67 prim = sec = 0; 68 ss = s = __collate_substitute(src); 69 while (*s) { 70 while (*s && !prim) { 71 __collate_lookup(s, &l, &prim, &sec); 72 s += l; 73 } 74 if (prim) { 75 if (len > 1) { 76 *dest++ = (char)prim; 77 len--; 78 } 79 slen++; 80 prim = 0; 81 } 82 } 83 free(ss); 84 if (len > 0) 85 *dest = '\0'; 86 87 return slen; 88 } 89