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 1991 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /*
28 * wctomb
29 */
30
31 #pragma ident "%Z%%M% %I% %E% SMI"
32
33 #if !defined(lint) && defined(SCCSIDS)
34 static char *sccsid = "%Z%%M% %I% %E% SMI";
35 #endif
36
37 #include <sys/types.h>
38 #include "codeset.h"
39 #include "mbextern.h"
40
41 int
wctomb(s,pwc)42 wctomb(s, pwc)
43 char *s;
44 wchar_t pwc;
45 {
46 char *handle; /* handle */
47 int (*p)();
48 int ret;
49
50 switch (_code_set_info.code_id) {
51 case CODESET_NONE:
52 /*
53 * Default code set,
54 */
55 if (s == NULL)
56 return (0); /* No state dependency */
57 else {
58 *s = (char) (pwc & 0x00ff);
59 return (1);
60 }
61 case CODESET_EUC:
62 /*
63 * EUC code set
64 */
65 if (s == NULL)
66 return (0); /* No state dependecy */
67 return(_wctomb_euc(s, pwc));
68 break;
69
70 case CODESET_XCCS:
71 /*
72 * XCCS code set
73 */
74 if (s == 0)
75 return (0); /* No state dependecy */
76 return(_wctomb_xccs(s, pwc));
77 break;
78
79 case CODESET_ISO2022:
80 /*
81 * ISO family
82 */
83 if (s == 0)
84 return (1); /* State dependant */
85 return(_wctomb_iso(s, pwc));
86 break;
87
88 default:
89 /*
90 * User defined code set
91 */
92 handle = _ml_open_library();
93 if (handle == (char *)NULL)
94 return(ERROR_NO_LIB); /* No user library */
95 p = (int (*)()) dlsym(handle, "_wctomb");
96 if (p == (int (*)()) NULL)
97 return(ERROR_NO_SYM);
98 ret = (*p)(s, pwc);
99 return (ret);
100 break;
101 }
102 /* NOTREACHED */
103 }
104