1/*- 2 * Copyright (c) 2002-2004 Tim J. Robbins. 3 * All rights reserved. 4 * 5 * Copyright (c) 2011 The FreeBSD Foundation 6 * All rights reserved. 7 * Portions of this software were developed by David Chisnall 8 * under sponsorship from the FreeBSD Foundation. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h>
| 1/*- 2 * Copyright (c) 2002-2004 Tim J. Robbins. 3 * All rights reserved. 4 * 5 * Copyright (c) 2011 The FreeBSD Foundation 6 * All rights reserved. 7 * Portions of this software were developed by David Chisnall 8 * under sponsorship from the FreeBSD Foundation. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h>
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44 45wchar_t * 46fgetwln_l(FILE * __restrict fp, size_t *lenp, locale_t locale) 47{ 48 wint_t wc; 49 size_t len; 50 FIX_LOCALE(locale); 51 52 FLOCKFILE(fp); 53 ORIENT(fp, 1); 54 55 len = 0; 56 while ((wc = __fgetwc(fp, locale)) != WEOF) { 57#define GROW 512 58 if (len * sizeof(wchar_t) >= fp->_lb._size && 59 __slbexpand(fp, (len + GROW) * sizeof(wchar_t))) 60 goto error; 61 *((wchar_t *)fp->_lb._base + len++) = wc; 62 if (wc == L'\n') 63 break; 64 } 65 if (len == 0) 66 goto error; 67 68 FUNLOCKFILE(fp); 69 *lenp = len; 70 return ((wchar_t *)fp->_lb._base); 71 72error: 73 FUNLOCKFILE(fp); 74 *lenp = 0; 75 return (NULL); 76} 77wchar_t * 78fgetwln(FILE * __restrict fp, size_t *lenp) 79{ 80 return fgetwln_l(fp, lenp, __get_locale()); 81}
| 44 45wchar_t * 46fgetwln_l(FILE * __restrict fp, size_t *lenp, locale_t locale) 47{ 48 wint_t wc; 49 size_t len; 50 FIX_LOCALE(locale); 51 52 FLOCKFILE(fp); 53 ORIENT(fp, 1); 54 55 len = 0; 56 while ((wc = __fgetwc(fp, locale)) != WEOF) { 57#define GROW 512 58 if (len * sizeof(wchar_t) >= fp->_lb._size && 59 __slbexpand(fp, (len + GROW) * sizeof(wchar_t))) 60 goto error; 61 *((wchar_t *)fp->_lb._base + len++) = wc; 62 if (wc == L'\n') 63 break; 64 } 65 if (len == 0) 66 goto error; 67 68 FUNLOCKFILE(fp); 69 *lenp = len; 70 return ((wchar_t *)fp->_lb._base); 71 72error: 73 FUNLOCKFILE(fp); 74 *lenp = 0; 75 return (NULL); 76} 77wchar_t * 78fgetwln(FILE * __restrict fp, size_t *lenp) 79{ 80 return fgetwln_l(fp, lenp, __get_locale()); 81}
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