| fgetwc.c (101776) | fgetwc.c (103523) |
|---|---|
| 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/fgetwc.c 101776 2002-08-13 09:30:41Z tjr $"); | 28__FBSDID("$FreeBSD: head/lib/libc/stdio/fgetwc.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> | 32#include <stdio.h> |
| 33#include <stdlib.h> |
|
| 34#include <wchar.h> 35#include "un-namespace.h" 36#include "libc_private.h" 37#include "local.h" 38 39wint_t 40fgetwc(FILE *fp) 41{ | 34#include <wchar.h> 35#include "un-namespace.h" 36#include "libc_private.h" 37#include "local.h" 38 39wint_t 40fgetwc(FILE *fp) 41{ |
| 42 wint_t wc; 43 long r; | 42 char buf[MB_LEN_MAX]; 43 mbstate_t mbs; 44 size_t n, nconv; 45 int c; 46 wchar_t wc; |
| 44 45 ORIENTLOCK(fp, 1); 46 | 47 48 ORIENTLOCK(fp, 1); 49 |
| 47 if ((r = fgetrune(fp)) == _INVALID_RUNE) { 48 wc = WEOF; 49 errno = EILSEQ; 50 } else if (r == EOF) 51 wc = WEOF; 52 else 53 wc = (wint_t)r; | 50 n = 0; 51 while (n < MB_CUR_MAX) { 52 if ((c = fgetc(fp)) == EOF) { 53 if (n == 0) 54 return (WEOF); 55 break; 56 } 57 buf[n++] = (char)c; 58 memset(&mbs, 0, sizeof(mbs)); 59 nconv = mbrtowc(&wc, buf, n, &mbs); 60 if (nconv == n) 61 return (wc); 62 else if (nconv == 0) 63 return (L'\0'); 64 else if (nconv == (size_t)-2 || nconv == (size_t)-1) 65 break; 66 } |
| 54 | 67 |
| 55 return (wc); | 68 while (n-- != 0) 69 ungetc((unsigned char)buf[n], fp); 70 errno = EILSEQ; 71 return (WEOF); |
| 56} | 72} |