fputws.c (bad3b6889aecd4b42701fd9b1e63f3cefa1595a4) fputws.c (e74101e4eff767325553039def89de70b70f36d3)
1/*-
1/*-
2 * Copyright (c) 2002-2004 Tim J. Robbins.
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
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright

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24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include "namespace.h"
31#include <errno.h>
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
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright

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24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include "namespace.h"
31#include <errno.h>
32#include <limits.h>
32#include <rune.h>
33#include <stdio.h>
34#include <wchar.h>
35#include "un-namespace.h"
33#include <stdio.h>
34#include <wchar.h>
35#include "un-namespace.h"
36#include "fvwrite.h"
37#include "libc_private.h"
38#include "local.h"
36#include "libc_private.h"
37#include "local.h"
39#include "mblocal.h"
40
41int
38
39int
42fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
40fputws(const wchar_t *__restrict ws, FILE *__restrict fp)
43{
41{
44 size_t nbytes;
45 char buf[BUFSIZ];
46 struct __suio uio;
47 struct __siov iov;
48 const wchar_t *wsp;
49
42
50 FLOCKFILE(fp);
51 ORIENT(fp, 1);
52 if (prepwrite(fp) != 0)
53 goto error;
54 uio.uio_iov = &iov;
55 uio.uio_iovcnt = 1;
56 iov.iov_base = buf;
57 do {
58 wsp = ws;
59 nbytes = __wcsnrtombs(buf, &wsp, SIZE_T_MAX, sizeof(buf),
60 &fp->_mbstate);
61 if (nbytes == (size_t)-1)
62 goto error;
63 iov.iov_len = uio.uio_resid = nbytes;
64 if (__sfvwrite(fp, &uio) != 0)
65 goto error;
66 } while (ws != NULL);
67 FUNLOCKFILE(fp);
68 return (0);
43 ORIENTLOCK(fp, 1);
69
44
70error:
71 FUNLOCKFILE(fp);
72 return (-1);
45 /* XXX Inefficient */
46 while (*ws != '\0')
47 if (fputrune((rune_t)*ws++, fp) == EOF)
48 return (-1);
49
50 return (0);
73}
51}