1 /*
2     Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>
3     This program and the accompanying materials are licensed and made available
4     under the terms and conditions of the BSD License that accompanies this
5     distribution.  The full text of the license may be found at
6     http://opensource.org/licenses/bsd-license.
7 
8     THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
9     WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
10 
11  * Copyright (c)2001 Citrus Project,
12  * All rights reserved.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions
16  * are met:
17  * 1. Redistributions of source code must retain the above copyright
18  *    notice, this list of conditions and the following disclaimer.
19  * 2. Redistributions in binary form must reproduce the above copyright
20  *    notice, this list of conditions and the following disclaimer in the
21  *    documentation and/or other materials provided with the distribution.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * $Citrus$
36 
37 NetBSD: fputwc.c,v 1.4 2005/06/12 05:21:27 lukem Exp
38 */
39 #include  <LibConfig.h>
40 #include <sys/EfiCdefs.h>
41 
42 #include <assert.h>
43 #include <errno.h>
44 #include <limits.h>
45 #include <stdio.h>
46 #include <wchar.h>
47 #include "reentrant.h"
48 #include "local.h"
49 #include "fvwrite.h"
50 
51 wint_t
__fputwc_unlock(wchar_t wc,FILE * fp)52 __fputwc_unlock(wchar_t wc, FILE *fp)
53 {
54   struct wchar_io_data *wcio;
55   mbstate_t *st;
56   size_t size;
57   char buf[MB_LEN_MAX];
58   struct __suio uio;
59   struct __siov iov;
60 
61   _DIAGASSERT(fp != NULL);
62   if(fp == NULL) {
63     errno = EINVAL;
64     return (WEOF);
65   }
66 
67   /* LINTED we don't play with buf */
68   iov.iov_base = (void *)buf;
69   uio.uio_iov = &iov;
70   uio.uio_iovcnt = 1;
71 
72   _SET_ORIENTATION(fp, 1);
73   wcio = WCIO_GET(fp);
74   if (wcio == 0) {
75     errno = ENOMEM;
76     return WEOF;
77   }
78 
79   wcio->wcio_ungetwc_inbuf = 0;
80   st = &wcio->wcio_mbstate_out;
81 
82   size = wcrtomb(buf, wc, st);
83   if (size == (size_t)-1) {
84     return WEOF;
85   }
86 
87   _DIAGASSERT(size != 0);
88 
89   uio.uio_resid = (int)(iov.iov_len = size);
90   if (__sfvwrite(fp, &uio)) {
91     return WEOF;
92   }
93 
94   return (wint_t)wc;
95 }
96 
97 wint_t
fputwc(wchar_t wc,FILE * fp)98 fputwc(wchar_t wc, FILE *fp)
99 {
100   wint_t r;
101 
102   _DIAGASSERT(fp != NULL);
103   if(fp == NULL) {
104     errno = EINVAL;
105     return (WEOF);
106   }
107 
108   FLOCKFILE(fp);
109   r = __fputwc_unlock(wc, fp);
110   FUNLOCKFILE(fp);
111 
112   return (r);
113 }
114