| | 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: src/lib/libc/string/strcoll.c,v 1.13 2001/11/07 19:55:16 obrien Exp $"); |
| | 30 | |
| | 31 | #include <stdlib.h> |
| | 32 | #include <string.h> |
| | 33 | #include "collate.h" |
| | 34 | |
| | 35 | int |
| | 36 | strcoll(s, s2) |
| | 37 | const char *s, *s2; |
| | 38 | { |
| | 39 | int len, len2, prim, prim2, sec, sec2, ret, ret2; |
| | 40 | const char *t, *t2; |
| | 41 | char *tt, *tt2; |
| | 42 | |
| | 43 | if (__collate_load_error) |
| | 44 | return strcmp(s, s2); |
| | 45 | |
| | 46 | len = len2 = 1; |
| | 47 | ret = ret2 = 0; |
| | 48 | if (__collate_substitute_nontrivial) { |
| | 49 | t = tt = __collate_substitute(s); |
| | 50 | t2 = tt2 = __collate_substitute(s2); |
| | 51 | } else { |
| | 52 | tt = tt2 = NULL; |
| | 53 | t = s; |
| | 54 | t2 = s2; |
| | 55 | } |
| | 56 | while(*t && *t2) { |
| | 57 | prim = prim2 = 0; |
| | 58 | while(*t && !prim) { |
| | 59 | __collate_lookup(t, &len, &prim, &sec); |
| | 60 | t += len; |
| | 61 | } |
| | 62 | while(*t2 && !prim2) { |
| | 63 | __collate_lookup(t2, &len2, &prim2, &sec2); |
| | 64 | t2 += len2; |
| | 65 | } |
| | 66 | if(!prim || !prim2) |
| | 67 | break; |
| | 68 | if(prim != prim2) { |
| | 69 | ret = prim - prim2; |
| | 70 | goto end; |
| | 71 | } |
| | 72 | if(!ret2) |
| | 73 | ret2 = sec - sec2; |
| | 74 | } |
| | 75 | if(!*t && *t2) |
| | 76 | ret = -(int)((u_char)*t2); |
| | 77 | else if(*t && !*t2) |
| | 78 | ret = (u_char)*t; |
| | 79 | else if(!*t && !*t2) |
| | 80 | ret = ret2; |
| | 81 | end: |
| | 82 | free(tt); |
| | 83 | free(tt2); |
| | 84 | |
| | 85 | return ret; |
| | 86 | } |
projects / apple / libc.git / blame_incremental