1/*- 2 * Copyright (c) 2002-2004 Tim J. Robbins. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
28__FBSDID("$FreeBSD: head/lib/libc/stdio/fgetwln.c 133223 2004-08-06 17:00:09Z tjr $"); |
29 30#include "namespace.h" 31#include <stdio.h> 32#include <wchar.h> 33#include "un-namespace.h" 34#include "libc_private.h" 35#include "local.h" 36 --- 4 unchanged lines hidden (view full) --- 41 size_t len; 42 43 FLOCKFILE(fp); 44 ORIENT(fp, 1); 45 46 len = 0; 47 while ((wc = __fgetwc(fp)) != WEOF) { 48#define GROW 512 |
49 if (len * sizeof(wchar_t) >= fp->_lb._size && 50 __slbexpand(fp, (len + GROW) * sizeof(wchar_t))) 51 goto error; |
52 *((wchar_t *)fp->_lb._base + len++) = wc; |
53 if (wc == L'\n') 54 break; 55 } 56 if (len == 0) 57 goto error; 58 59 FUNLOCKFILE(fp); 60 *lenp = len; 61 return ((wchar_t *)fp->_lb._base); 62 63error: 64 FUNLOCKFILE(fp); 65 *lenp = 0; 66 return (NULL); 67} |