1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 /* Copyright (c) 1986 AT&T */
30 /* All Rights Reserved */
31
32
33 /* This module is created for NLS on Sep.03.86 */
34
35 /*
36 * Fgetws reads multibyte characters from the "iop", converts
37 * them to process codes, and places them in the wchar_t
38 * array pointed to by "ptr". Fgetws reads until n-1 process
39 * codes are transferred to "ptr", or EOF.
40 */
41
42 #include "lint.h"
43 #include "file64.h"
44 #include "mse_int.h"
45 #include <stdlib.h>
46 #include <stdio.h>
47 #include <widec.h>
48 #include <errno.h>
49 #include "mtlib.h"
50 #include "stdiom.h"
51 #include "libc.h"
52 #include "mse.h"
53
54 wchar_t *
__fgetws_xpg5(wchar_t * ptr,int size,FILE * iop)55 __fgetws_xpg5(wchar_t *ptr, int size, FILE *iop)
56 {
57 wchar_t *ptr0 = ptr;
58 int c;
59 void *lc;
60 wint_t (*fp_fgetwc)(void *, FILE *);
61 rmutex_t *lk;
62
63 FLOCKFILE(lk, iop);
64
65 if (_set_orientation_wide(iop, &lc,
66 (void (*(*))(void))&fp_fgetwc, FP_FGETWC) == -1) {
67 errno = EBADF;
68 FUNLOCKFILE(lk);
69 return (NULL);
70 }
71
72 for (size--; size > 0; size--) {
73 if ((c = fp_fgetwc(lc, iop)) == EOF) {
74 if (ptr == ptr0) {
75 FUNLOCKFILE(lk);
76 return (NULL);
77 }
78 break;
79 }
80 *ptr++ = c;
81 if (c == '\n')
82 break;
83 }
84 *ptr = 0;
85 FUNLOCKFILE(lk);
86 return (ptr0);
87 }
88