fgetws.c (103012) | fgetws.c (103523) |
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1/*- 2 * Copyright (c) 2002 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> | 1/*- 2 * Copyright (c) 2002 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/fgetws.c 103012 2002-09-06 11:24:06Z tjr $"); | 28__FBSDID("$FreeBSD: head/lib/libc/stdio/fgetws.c 103523 2002-09-18 05:58:11Z tjr $"); |
29 30#include "namespace.h" 31#include <errno.h> | 29 30#include "namespace.h" 31#include <errno.h> |
32#include <rune.h> | |
33#include <stdio.h> 34#include <wchar.h> 35#include "un-namespace.h" 36#include "libc_private.h" 37#include "local.h" 38 39wchar_t * 40fgetws(wchar_t * __restrict ws, int n, FILE * __restrict fp) 41{ 42 wchar_t *wsp; | 32#include <stdio.h> 33#include <wchar.h> 34#include "un-namespace.h" 35#include "libc_private.h" 36#include "local.h" 37 38wchar_t * 39fgetws(wchar_t * __restrict ws, int n, FILE * __restrict fp) 40{ 41 wchar_t *wsp; |
43 long r; | 42 wint_t wc; |
44 45 ORIENTLOCK(fp, 1); 46 47 if (n <= 0) 48 return (NULL); 49 50 wsp = ws; 51 while (n-- > 1) { 52 /* XXX Inefficient */ | 43 44 ORIENTLOCK(fp, 1); 45 46 if (n <= 0) 47 return (NULL); 48 49 wsp = ws; 50 while (n-- > 1) { 51 /* XXX Inefficient */ |
53 if ((r = fgetrune(fp)) == _INVALID_RUNE) { 54 errno = EILSEQ; | 52 if ((wc = fgetwc(fp)) == WEOF && errno == EILSEQ) |
55 return (NULL); | 53 return (NULL); |
56 } 57 if (r == EOF) { | 54 if (wc == WEOF) { |
58 if (wsp == ws) 59 /* EOF/error, no characters read yet. */ 60 return (NULL); 61 break; 62 } | 55 if (wsp == ws) 56 /* EOF/error, no characters read yet. */ 57 return (NULL); 58 break; 59 } |
63 *wsp++ = (wchar_t)r; 64 if (r == L'\n') | 60 *wsp++ = (wchar_t)wc; 61 if (wc == L'\n') |
65 break; 66 } 67 *wsp++ = L'\0'; 68 69 return (ws); 70} | 62 break; 63 } 64 *wsp++ = L'\0'; 65 66 return (ws); 67} |