1e92a3d83STim J. Robbins /*- 2d4f6cd06STim J. Robbins * Copyright (c) 2002, 2003 Tim J. Robbins. 3e92a3d83STim J. Robbins * All rights reserved. 4e92a3d83STim J. Robbins * 5e92a3d83STim J. Robbins * Redistribution and use in source and binary forms, with or without 6e92a3d83STim J. Robbins * modification, are permitted provided that the following conditions 7e92a3d83STim J. Robbins * are met: 8e92a3d83STim J. Robbins * 1. Redistributions of source code must retain the above copyright 9e92a3d83STim J. Robbins * notice, this list of conditions and the following disclaimer. 10e92a3d83STim J. Robbins * 2. Redistributions in binary form must reproduce the above copyright 11e92a3d83STim J. Robbins * notice, this list of conditions and the following disclaimer in the 12e92a3d83STim J. Robbins * documentation and/or other materials provided with the distribution. 13e92a3d83STim J. Robbins * 14e92a3d83STim J. Robbins * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15e92a3d83STim J. Robbins * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16e92a3d83STim J. Robbins * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17e92a3d83STim J. Robbins * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18e92a3d83STim J. Robbins * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19e92a3d83STim J. Robbins * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20e92a3d83STim J. Robbins * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21e92a3d83STim J. Robbins * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22e92a3d83STim J. Robbins * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23e92a3d83STim J. Robbins * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24e92a3d83STim J. Robbins * SUCH DAMAGE. 25e92a3d83STim J. Robbins */ 26e92a3d83STim J. Robbins 27e92a3d83STim J. Robbins #include <sys/cdefs.h> 28e92a3d83STim J. Robbins __FBSDID("$FreeBSD$"); 29e92a3d83STim J. Robbins 30e92a3d83STim J. Robbins #include <errno.h> 31583efa12STim J. Robbins #include <limits.h> 32e92a3d83STim J. Robbins #include <rune.h> 33e92a3d83STim J. Robbins #include <stdlib.h> 34e92a3d83STim J. Robbins #include <wchar.h> 35e92a3d83STim J. Robbins 36d4f6cd06STim J. Robbins extern size_t (*__wcrtomb)(char * __restrict, wchar_t, mbstate_t * __restrict); 37d4f6cd06STim J. Robbins 38e92a3d83STim J. Robbins size_t 39d4f6cd06STim J. Robbins wcrtomb(char * __restrict s, wchar_t wc, mbstate_t * __restrict ps) 40d4f6cd06STim J. Robbins { 41d4f6cd06STim J. Robbins 42d4f6cd06STim J. Robbins return (__wcrtomb(s, wc, ps)); 43d4f6cd06STim J. Robbins } 44d4f6cd06STim J. Robbins 45d4f6cd06STim J. Robbins /* 46d4f6cd06STim J. Robbins * Emulate the ISO C wcrtomb() function in terms of the deprecated 47d4f6cd06STim J. Robbins * 4.4BSD sputrune() function. 48d4f6cd06STim J. Robbins */ 49d4f6cd06STim J. Robbins size_t 50d4f6cd06STim J. Robbins __emulated_wcrtomb(char * __restrict s, wchar_t wc, 51d4f6cd06STim J. Robbins mbstate_t * __restrict ps __unused) 52e92a3d83STim J. Robbins { 53e92a3d83STim J. Robbins char *e; 54583efa12STim J. Robbins char buf[MB_LEN_MAX]; 55e92a3d83STim J. Robbins 56e3e88784STim J. Robbins if (s == NULL) { 57583efa12STim J. Robbins s = buf; 58e3e88784STim J. Robbins wc = L'\0'; 59e3e88784STim J. Robbins } 60e92a3d83STim J. Robbins sputrune(wc, s, MB_CUR_MAX, &e); 61e92a3d83STim J. Robbins if (e == NULL) { 62e92a3d83STim J. Robbins errno = EILSEQ; 63e92a3d83STim J. Robbins return ((size_t)-1); 64e92a3d83STim J. Robbins } 65e92a3d83STim J. Robbins return ((size_t)(e - s)); 66e92a3d83STim J. Robbins } 67