2 * msvcrt.dll wide-char functions
4 * Copyright 1999 Alexandre Julliard
5 * Copyright 2000 Jon Griffiths
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.
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.
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
26 #include "wine/unicode.h"
27 #include "wine/debug.h"
29 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
32 /* INTERNAL: MSVCRT_malloc() based wstrndup */
33 MSVCRT_wchar_t* msvcrt_wstrndup(const MSVCRT_wchar_t *buf, unsigned int size)
36 unsigned int len = strlenW(buf), max_len;
38 max_len = size <= len? size : len + 1;
40 ret = MSVCRT_malloc(max_len * sizeof (MSVCRT_wchar_t));
43 memcpy(ret,buf,max_len * sizeof (MSVCRT_wchar_t));
49 /*********************************************************************
52 MSVCRT_wchar_t* _wcsdup( const MSVCRT_wchar_t* str )
54 MSVCRT_wchar_t* ret = NULL;
57 int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
58 ret = MSVCRT_malloc( size );
59 if (ret) memcpy( ret, str, size );
64 /*********************************************************************
65 * _wcsicoll (MSVCRT.@)
67 INT _wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
69 /* FIXME: handle collates */
70 return strcmpiW( str1, str2 );
73 /*********************************************************************
76 MSVCRT_wchar_t* _wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
78 MSVCRT_wchar_t* ret = str;
79 while ((n-- > 0) && *str) *str++ = c;
83 /*********************************************************************
86 MSVCRT_wchar_t* _wcsrev( MSVCRT_wchar_t* str )
88 MSVCRT_wchar_t* ret = str;
89 MSVCRT_wchar_t* end = str + strlenW(str) - 1;
92 MSVCRT_wchar_t t = *end;
99 /*********************************************************************
102 MSVCRT_wchar_t* _wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
104 MSVCRT_wchar_t* ret = str;
105 while (*str) *str++ = c;
109 /*********************************************************************
112 double MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
114 const MSVCRT_wchar_t* str = lpszStr;
116 double ret = 0, divisor = 10.0;
118 TRACE("(%s,%p) semi-stub\n", debugstr_w(lpszStr), end);
121 * - Should set errno on failure
122 * - Should fail on overflow
123 * - Need to check which input formats are allowed
125 while (isspaceW(*str))
134 while (isdigitW(*str))
136 ret = ret * 10.0 + (*str - '0');
141 while (isdigitW(*str))
143 ret = ret + (*str - '0') / divisor;
148 if (*str == 'E' || *str == 'e' || *str == 'D' || *str == 'd')
150 int negativeExponent = 0;
154 negativeExponent = 1;
157 while (isdigitW(*str))
159 exponent = exponent * 10 + (*str - '0');
164 if (negativeExponent)
165 ret = ret / pow(10.0, exponent);
167 ret = ret * pow(10.0, exponent);
175 *end = (MSVCRT_wchar_t*)str;
177 TRACE("returning %g\n", ret);
181 static int MSVCRT_vsnprintfW(WCHAR *str, size_t len, const WCHAR *format, va_list valist)
183 unsigned int written = 0;
184 const WCHAR *iter = format;
185 char bufa[256], fmtbufa[64], *fmta;
189 while (*iter && *iter != '%')
191 if (written++ >= len)
199 if (written++ >= len)
201 *str++ = '%'; /* "%%"->'%' */
208 while (*iter == '0' ||
217 char *buffiter = bufa;
218 int fieldlen = va_arg(valist, int);
219 sprintf(buffiter, "%d", fieldlen);
221 *fmta++ = *buffiter++;
228 while (isdigit(*iter))
236 char *buffiter = bufa;
237 int fieldlen = va_arg(valist, int);
238 sprintf(buffiter, "%d", fieldlen);
240 *fmta++ = *buffiter++;
243 while (isdigit(*iter))
246 if (*iter == 'h' || *iter == 'l')
253 static const char *none = "(null)";
254 const char *astr = va_arg(valist, const char *);
255 const char *striter = astr ? astr : none;
262 if( IsDBCSLeadByte( *striter ) )
264 r = MultiByteToWideChar( CP_ACP, 0,
265 striter, n, str, len - written );
276 static const WCHAR none[] = { '(','n','u','l','l',')',0 };
277 const WCHAR *wstr = va_arg(valist, const WCHAR *);
278 const WCHAR *striter = wstr ? wstr : none;
281 if (written++ >= len)
290 if (written++ >= len)
292 *str++ = (WCHAR)va_arg(valist, int);
298 /* For non wc types, use system sprintf and append to wide char output */
299 /* FIXME: for unrecognised types, should ignore % when printing */
300 char *bufaiter = bufa;
302 sprintf(bufaiter, "%08lX", va_arg(valist, long));
307 if (*iter == 'a' || *iter == 'A' ||
308 *iter == 'e' || *iter == 'E' ||
309 *iter == 'f' || *iter == 'F' ||
310 *iter == 'g' || *iter == 'G')
311 sprintf(bufaiter, fmtbufa, va_arg(valist, double));
314 /* FIXME: On 32 bit systems this doesn't handle int 64's.
315 * on 64 bit systems this doesn't work for 32 bit types
317 sprintf(bufaiter, fmtbufa, va_arg(valist, void *));
322 if (written++ >= len)
324 *str++ = *bufaiter++;
338 /*********************************************************************
339 * swprintf (MSVCRT.@)
341 int MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
346 va_start( ap, format );
347 r = MSVCRT_vsnprintfW( str, INT_MAX, format, ap );
352 /*********************************************************************
353 * _vsnwprintf (MSVCRT.@)
355 int _vsnwprintf(MSVCRT_wchar_t *str, unsigned int len,
356 const MSVCRT_wchar_t *format, va_list valist)
358 return MSVCRT_vsnprintfW(str, len, format, valist);
361 /*********************************************************************
362 * vswprintf (MSVCRT.@)
364 int MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, va_list args )
366 return MSVCRT_vsnprintfW( str, INT_MAX, format, args );
369 /*********************************************************************
372 int MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
374 /* FIXME: handle collates */
375 return strcmpW( str1, str2 );
378 /*********************************************************************
381 MSVCRT_wchar_t* MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
383 const MSVCRT_wchar_t* p;
386 for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
392 /*********************************************************************
395 INT MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
397 return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
400 /*********************************************************************
401 * iswalnum (MSVCRT.@)
403 INT MSVCRT_iswalnum( MSVCRT_wchar_t wc )
405 return isalnumW( wc );
408 /*********************************************************************
409 * iswalpha (MSVCRT.@)
411 INT MSVCRT_iswalpha( MSVCRT_wchar_t wc )
413 return isalphaW( wc );
416 /*********************************************************************
417 * iswcntrl (MSVCRT.@)
419 INT MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
421 return iscntrlW( wc );
424 /*********************************************************************
425 * iswdigit (MSVCRT.@)
427 INT MSVCRT_iswdigit( MSVCRT_wchar_t wc )
429 return isdigitW( wc );
432 /*********************************************************************
433 * iswgraph (MSVCRT.@)
435 INT MSVCRT_iswgraph( MSVCRT_wchar_t wc )
437 return isgraphW( wc );
440 /*********************************************************************
441 * iswlower (MSVCRT.@)
443 INT MSVCRT_iswlower( MSVCRT_wchar_t wc )
445 return islowerW( wc );
448 /*********************************************************************
449 * iswprint (MSVCRT.@)
451 INT MSVCRT_iswprint( MSVCRT_wchar_t wc )
453 return isprintW( wc );
456 /*********************************************************************
457 * iswpunct (MSVCRT.@)
459 INT MSVCRT_iswpunct( MSVCRT_wchar_t wc )
461 return ispunctW( wc );
464 /*********************************************************************
465 * iswspace (MSVCRT.@)
467 INT MSVCRT_iswspace( MSVCRT_wchar_t wc )
469 return isspaceW( wc );
472 /*********************************************************************
473 * iswupper (MSVCRT.@)
475 INT MSVCRT_iswupper( MSVCRT_wchar_t wc )
477 return isupperW( wc );
480 /*********************************************************************
481 * iswxdigit (MSVCRT.@)
483 INT MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
485 return isxdigitW( wc );