source: trunk/src/msvcrt/wcs.c@ 9953

Last change on this file since 9953 was 9633, checked in by sandervl, 23 years ago

PF: Msvcrt Wine port with GCC
File size: 9.4 KB
Line 
1/*
2 * msvcrt.dll wide-char functions
3 *
4 * Copyright 1999 Alexandre Julliard
5 * Copyright 2000 Jon Griffiths
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21#include <limits.h>
22#include <stdio.h>
23#include "msvcrt.h"
24#include "winnls.h"
25#include "wine/unicode.h"
26
27#include "msvcrt/stdio.h"
28#include "msvcrt/stdlib.h"
29#include "msvcrt/string.h"
30#include "msvcrt/wctype.h"
31
32#include "wine/debug.h"
33
34WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
35
36
37/* INTERNAL: MSVCRT_malloc() based wstrndup */
38MSVCRT_wchar_t* msvcrt_wstrndup(const MSVCRT_wchar_t *buf, unsigned int size)
39{
40 MSVCRT_wchar_t* ret;
41 unsigned int len = strlenW(buf), max_len;
42
43 max_len = size <= len? size : len + 1;
44
45 ret = MSVCRT_malloc(max_len * sizeof (MSVCRT_wchar_t));
46 if (ret)
47 {
48 memcpy(ret,buf,max_len * sizeof (MSVCRT_wchar_t));
49 ret[max_len] = 0;
50 }
51 return ret;
52}
53
54/*********************************************************************
55 * _wcsdup (MSVCRT.@)
56 */
57MSVCRT_wchar_t* _wcsdup( const MSVCRT_wchar_t* str )
58{
59 MSVCRT_wchar_t* ret = NULL;
60 if (str)
61 {
62 int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
63 ret = MSVCRT_malloc( size );
64 if (ret) memcpy( ret, str, size );
65 }
66 return ret;
67}
68
69/*********************************************************************
70 * _wcsicoll (MSVCRT.@)
71 */
72INT _wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
73{
74 /* FIXME: handle collates */
75 return strcmpiW( str1, str2 );
76}
77
78/*********************************************************************
79 * _wcsnset (MSVCRT.@)
80 */
81MSVCRT_wchar_t* _wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
82{
83 MSVCRT_wchar_t* ret = str;
84 while ((n-- > 0) && *str) *str++ = c;
85 return ret;
86}
87
88/*********************************************************************
89 * _wcsrev (MSVCRT.@)
90 */
91MSVCRT_wchar_t* _wcsrev( MSVCRT_wchar_t* str )
92{
93 MSVCRT_wchar_t* ret = str;
94 MSVCRT_wchar_t* end = str + strlenW(str) - 1;
95 while (end > str)
96 {
97 MSVCRT_wchar_t t = *end;
98 *end-- = *str;
99 *str++ = t;
100 }
101 return ret;
102}
103
104/*********************************************************************
105 * _wcsset (MSVCRT.@)
106 */
107MSVCRT_wchar_t* _wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
108{
109 MSVCRT_wchar_t* ret = str;
110 while (*str) *str++ = c;
111 return ret;
112}
113
114/*********************************************************************
115 * _vsnwprintf (MSVCRT.@)
116 */
117int _vsnwprintf(MSVCRT_wchar_t *str, unsigned int len,
118 const MSVCRT_wchar_t *format, va_list valist)
119{
120/* If you fix a bug in this function, fix it in ntdll/wcstring.c also! */
121 unsigned int written = 0;
122 const MSVCRT_wchar_t *iter = format;
123 char bufa[256], fmtbufa[64], *fmta;
124
125 TRACE("(%d,%s)\n",len,debugstr_w(format));
126
127 while (*iter)
128 {
129 while (*iter && *iter != '%')
130 {
131 if (written++ >= len)
132 return -1;
133 *str++ = *iter++;
134 }
135 if (*iter == '%')
136 {
137 fmta = fmtbufa;
138 *fmta++ = *iter++;
139 while (*iter == '0' ||
140 *iter == '+' ||
141 *iter == '-' ||
142 *iter == ' ' ||
143 *iter == '0' ||
144 *iter == '*' ||
145 *iter == '#')
146 {
147 if (*iter == '*')
148 {
149 char *buffiter = bufa;
150 int fieldlen = va_arg(valist, int);
151 sprintf(buffiter, "%d", fieldlen);
152 while (*buffiter)
153 *fmta++ = *buffiter++;
154 }
155 else
156 *fmta++ = *iter;
157 iter++;
158 }
159
160 while (isdigit(*iter))
161 *fmta++ = *iter++;
162
163 if (*iter == '.')
164 {
165 *fmta++ = *iter++;
166 if (*iter == '*')
167 {
168 char *buffiter = bufa;
169 int fieldlen = va_arg(valist, int);
170 sprintf(buffiter, "%d", fieldlen);
171 while (*buffiter)
172 *fmta++ = *buffiter++;
173 }
174 else
175 while (isdigit(*iter))
176 *fmta++ = *iter++;
177 }
178 if (*iter == 'h' ||
179 *iter == 'l')
180 *fmta++ = *iter++;
181
182 switch (*iter)
183 {
184 case 's':
185 {
186 static const MSVCRT_wchar_t none[] = { '(', 'n', 'u', 'l', 'l', ')', 0 };
187 const MSVCRT_wchar_t *wstr = va_arg(valist, const MSVCRT_wchar_t *);
188 const MSVCRT_wchar_t *striter = wstr ? wstr : none;
189 while (*striter)
190 {
191 if (written++ >= len)
192 return -1;
193 *str++ = *striter++;
194 }
195 iter++;
196 break;
197 }
198
199 case 'c':
200 if (written++ >= len)
201 return -1;
202 *str++ = (MSVCRT_wchar_t)va_arg(valist, int);
203 iter++;
204 break;
205
206 default:
207 {
208 /* For non wc types, use system sprintf and append to wide char output */
209 /* FIXME: for unrecognised types, should ignore % when printing */
210 char *bufaiter = bufa;
211 if (*iter == 'p')
212 sprintf(bufaiter, "%08lX", va_arg(valist, long));
213 else
214 {
215 *fmta++ = *iter;
216 *fmta = '\0';
217 if (*iter == 'f')
218 sprintf(bufaiter, fmtbufa, va_arg(valist, double));
219 else
220 sprintf(bufaiter, fmtbufa, va_arg(valist, void *));
221 }
222 while (*bufaiter)
223 {
224 if (written++ >= len)
225 return -1;
226 *str++ = *bufaiter++;
227 }
228 iter++;
229 break;
230 }
231 }
232 }
233 }
234 if (written >= len)
235 return -1;
236 *str++ = 0;
237 return (int)written;
238}
239
240/*********************************************************************
241 * vswprintf (MSVCRT.@)
242 */
243int MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, va_list args )
244{
245 return _vsnwprintf( str, INT_MAX, format, args );
246}
247
248/*********************************************************************
249 * wcscoll (MSVCRT.@)
250 */
251int MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
252{
253 /* FIXME: handle collates */
254 return strcmpW( str1, str2 );
255}
256
257/*********************************************************************
258 * wcspbrk (MSVCRT.@)
259 */
260MSVCRT_wchar_t* MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
261{
262 const MSVCRT_wchar_t* p;
263 while (*str)
264 {
265 for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
266 str++;
267 }
268 return NULL;
269}
270
271/*********************************************************************
272 * wctomb (MSVCRT.@)
273 */
274INT MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
275{
276 return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
277}
278
279/*********************************************************************
280 * iswalnum (MSVCRT.@)
281 */
282INT MSVCRT_iswalnum( MSVCRT_wchar_t wc )
283{
284 return isalnumW( wc );
285}
286
287/*********************************************************************
288 * iswalpha (MSVCRT.@)
289 */
290INT MSVCRT_iswalpha( MSVCRT_wchar_t wc )
291{
292 return isalphaW( wc );
293}
294
295/*********************************************************************
296 * iswcntrl (MSVCRT.@)
297 */
298INT MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
299{
300 return iscntrlW( wc );
301}
302
303/*********************************************************************
304 * iswdigit (MSVCRT.@)
305 */
306INT MSVCRT_iswdigit( MSVCRT_wchar_t wc )
307{
308 return isdigitW( wc );
309}
310
311/*********************************************************************
312 * iswgraph (MSVCRT.@)
313 */
314INT MSVCRT_iswgraph( MSVCRT_wchar_t wc )
315{
316 return isgraphW( wc );
317}
318
319/*********************************************************************
320 * iswlower (MSVCRT.@)
321 */
322INT MSVCRT_iswlower( MSVCRT_wchar_t wc )
323{
324 return islowerW( wc );
325}
326
327/*********************************************************************
328 * iswprint (MSVCRT.@)
329 */
330INT MSVCRT_iswprint( MSVCRT_wchar_t wc )
331{
332 return isprintW( wc );
333}
334
335/*********************************************************************
336 * iswpunct (MSVCRT.@)
337 */
338INT MSVCRT_iswpunct( MSVCRT_wchar_t wc )
339{
340 return ispunctW( wc );
341}
342
343/*********************************************************************
344 * iswspace (MSVCRT.@)
345 */
346INT MSVCRT_iswspace( MSVCRT_wchar_t wc )
347{
348 return isspaceW( wc );
349}
350
351/*********************************************************************
352 * iswupper (MSVCRT.@)
353 */
354INT MSVCRT_iswupper( MSVCRT_wchar_t wc )
355{
356 return isupperW( wc );
357}
358
359/*********************************************************************
360 * iswxdigit (MSVCRT.@)
361 */
362INT MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
363{
364 return isxdigitW( wc );
365}
366
367/*********************************************************************
368 * _itow (MSVCRT.@)
369 */
370MSVCRT_wchar_t* _itow(int value,MSVCRT_wchar_t* out,int base)
371{
372 char buf[64];
373 _itoa(value, buf, base);
374 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, buf, -1, out, 128);
375 return out;
376}
377
378/*********************************************************************
379 * _ltow (MSVCRT.@)
380 */
381MSVCRT_wchar_t* _ltow(long value,MSVCRT_wchar_t* out,int base)
382{
383 char buf[128];
384 _ltoa(value, buf, base);
385 MultiByteToWideChar (CP_ACP, MB_PRECOMPOSED, buf, -1, out, 128);
386 return out;
387}
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