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/fputwc.c 103676 2002-09-20 13:20:41Z tjr $"); |
29 30#include "namespace.h" 31#include <errno.h> 32#include <limits.h> 33#include <stdio.h> 34#include <stdlib.h> 35#include <wchar.h> 36#include "un-namespace.h" 37#include "libc_private.h" 38#include "local.h" 39 |
40/* 41 * Non-MT-safe version. 42 */ |
43wint_t |
44__fputwc(wchar_t wc, FILE *fp) |
45{ 46 char buf[MB_LEN_MAX]; 47 mbstate_t mbs; 48 size_t i, len; 49 |
50 if (MB_LEN_MAX == 1 && wc > 0 && wc <= UCHAR_MAX) { 51 /* 52 * Assume single-byte locale with no special encoding. 53 * A more careful test would be to check 54 * _CurrentRuneLocale->encoding. 55 */ 56 *buf = (unsigned char)wc; 57 len = 1; 58 } else { 59 memset(&mbs, 0, sizeof(mbs)); |
60 if ((len = wcrtomb(buf, wc, &mbs)) == (size_t)-1) |
61 return (WEOF); |
62 } 63 64 for (i = 0; i < len; i++) |
65 if (__sputc((unsigned char)buf[i], fp) == EOF) |
66 return (WEOF); |
67 |
68 return ((wint_t)wc); 69} 70 71/* 72 * MT-safe version. 73 */ 74wint_t 75fputwc(wchar_t wc, FILE *fp) 76{ 77 wint_t r; 78 79 FLOCKFILE(fp); 80 ORIENT(fp, 1); 81 r = __fputwc(wc, fp); |
82 FUNLOCKFILE(fp); 83 |
84 return (r); |
85} |