1 /*************************************************************************/
2 /*                                                                       */
3 /*                  Language Technologies Institute                      */
4 /*                     Carnegie Mellon University                        */
5 /*                        Copyright (c) 2008                             */
6 /*                        All Rights Reserved.                           */
7 /*                                                                       */
8 /*  Permission is hereby granted, free of charge, to use and distribute  */
9 /*  this software and its documentation without restriction, including   */
10 /*  without limitation the rights to use, copy, modify, merge, publish,  */
11 /*  distribute, sublicense, and/or sell copies of this work, and to      */
12 /*  permit persons to whom this work is furnished to do so, subject to   */
13 /*  the following conditions:                                            */
14 /*   1. The code must retain the above copyright notice, this list of    */
15 /*      conditions and the following disclaimer.                         */
16 /*   2. Any modifications must be clearly marked as such.                */
17 /*   3. Original authors' names are not deleted.                         */
18 /*   4. The authors' names are not used to endorse or promote products   */
19 /*      derived from this software without specific prior written        */
20 /*      permission.                                                      */
21 /*                                                                       */
22 /*  CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK         */
23 /*  DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING      */
24 /*  ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT   */
25 /*  SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE      */
26 /*  FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES    */
27 /*  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN   */
28 /*  AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,          */
29 /*  ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF       */
30 /*  THIS SOFTWARE.                                                       */
31 /*                                                                       */
32 /*************************************************************************/
33 /*             Author:  Alan W Black (awb@cs.cmu.edu)                    */
34 /*               Date:  June 2008                                        */
35 /*************************************************************************/
36 /*                                                                       */
37 /*   wchar_t functions                                                     */
38 /*                                                                       */
39 /*************************************************************************/
40 #include "cst_wchar.h"
41 #include "cst_alloc.h"
42 #include "cst_string.h"
43 
cst_cstr2wstr(const char * s)44 wchar_t *cst_cstr2wstr(const char *s)
45 {
46     /* Actually this is naive and is really only for ASCII wchar_ts */
47     int i,l;
48     wchar_t *w;
49 
50     l=cst_strlen(s);
51     w = cst_alloc(wchar_t,l+1);
52 
53     for (i=0; i<l; i++)
54     {
55         w[i] = (wchar_t)s[i];
56     }
57     w[i]=(wchar_t)'\0';
58 
59     return w;
60 }
61 
cst_wstr2cstr(const wchar_t * w)62 char *cst_wstr2cstr(const wchar_t *w)
63 {
64     int i,l;
65     char *s;
66 
67     l=cst_wstrlen(w);
68     s = cst_alloc(char,l+1);
69 
70     for (i=0; i<l; i++)
71     {
72         s[i] = (char)w[i];
73     }
74     s[i]=(wchar_t)'\0';
75 
76     return s;
77 }
78 
79