11bd7723dSAlexey Zelkin /* 21bd7723dSAlexey Zelkin * Copyright (c) 2001 Alexey Zelkin 31bd7723dSAlexey Zelkin * All rights reserved. 41bd7723dSAlexey Zelkin * 51bd7723dSAlexey Zelkin * Redistribution and use in source and binary forms, with or without 61bd7723dSAlexey Zelkin * modification, are permitted provided that the following conditions 71bd7723dSAlexey Zelkin * are met: 81bd7723dSAlexey Zelkin * 1. Redistributions of source code must retain the above copyright 91bd7723dSAlexey Zelkin * notice, this list of conditions and the following disclaimer. 101bd7723dSAlexey Zelkin * 2. Redistributions in binary form must reproduce the above copyright 111bd7723dSAlexey Zelkin * notice, this list of conditions and the following disclaimer in the 121bd7723dSAlexey Zelkin * documentation and/or other materials provided with the distribution. 131bd7723dSAlexey Zelkin * 141bd7723dSAlexey Zelkin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 151bd7723dSAlexey Zelkin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 161bd7723dSAlexey Zelkin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 171bd7723dSAlexey Zelkin * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 181bd7723dSAlexey Zelkin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 191bd7723dSAlexey Zelkin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 201bd7723dSAlexey Zelkin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 211bd7723dSAlexey Zelkin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 221bd7723dSAlexey Zelkin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 231bd7723dSAlexey Zelkin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 241bd7723dSAlexey Zelkin * SUCH DAMAGE. 251bd7723dSAlexey Zelkin * 261bd7723dSAlexey Zelkin * $FreeBSD$ 271bd7723dSAlexey Zelkin */ 281bd7723dSAlexey Zelkin 29cb03ae30SAlexey Zelkin #include <ctype.h> 301bd7723dSAlexey Zelkin #include <limits.h> 311bd7723dSAlexey Zelkin 321bd7723dSAlexey Zelkin static const char nogrouping[] = { CHAR_MAX, '\0' }; 331bd7723dSAlexey Zelkin 341bd7723dSAlexey Zelkin /* 351bd7723dSAlexey Zelkin * "3;3;-1" -> "\003\003\177" 361bd7723dSAlexey Zelkin */ 371bd7723dSAlexey Zelkin 381bd7723dSAlexey Zelkin const char * 391bd7723dSAlexey Zelkin __fix_locale_grouping_str(const char *str) { 401bd7723dSAlexey Zelkin 411bd7723dSAlexey Zelkin char *src, *dst; 42cb03ae30SAlexey Zelkin char n; 431bd7723dSAlexey Zelkin 441bd7723dSAlexey Zelkin if (str == 0) { 451bd7723dSAlexey Zelkin return nogrouping; 461bd7723dSAlexey Zelkin } 471bd7723dSAlexey Zelkin for (src = (char*)str, dst = (char*)str; *src; src++) { 481bd7723dSAlexey Zelkin char cur; 491bd7723dSAlexey Zelkin 501bd7723dSAlexey Zelkin /* input string examples: "3;3", "3;2;-1" */ 511bd7723dSAlexey Zelkin if (*src == ';') 521bd7723dSAlexey Zelkin continue; 531bd7723dSAlexey Zelkin 541bd7723dSAlexey Zelkin if (*src == '-' && *(src+1) == '1') { 551bd7723dSAlexey Zelkin *dst++ = CHAR_MAX; 561bd7723dSAlexey Zelkin src++; 571bd7723dSAlexey Zelkin continue; 581bd7723dSAlexey Zelkin } 591bd7723dSAlexey Zelkin 60cb03ae30SAlexey Zelkin if (!isdigit((unsigned char)*src)) { 611bd7723dSAlexey Zelkin /* broken grouping string */ 621bd7723dSAlexey Zelkin return nogrouping; 631bd7723dSAlexey Zelkin } 641bd7723dSAlexey Zelkin 65cb03ae30SAlexey Zelkin for (n = 0; isdigit((unsigned char)*src); src++) { 66cb03ae30SAlexey Zelkin n *= 10; 67cb03ae30SAlexey Zelkin n += *src - '0'; 68cb03ae30SAlexey Zelkin } 69cb03ae30SAlexey Zelkin 70cb03ae30SAlexey Zelkin *dst++ = n; 711bd7723dSAlexey Zelkin } 721bd7723dSAlexey Zelkin *dst = '\0'; 731bd7723dSAlexey Zelkin return str; 741bd7723dSAlexey Zelkin } 75