2 * Kernel string functions
4 * Copyright 1993 Yngvi Sigurjonsson
5 * Copyright 1996 Alexandre Julliard
6 * Copyright 2001 Dmitry Timoshkov for CodeWeavers
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include "wine/port.h"
30 #define WINE_NO_INLINE_STRING
34 #include "wine/winbase16.h"
35 #include "wine/unicode.h"
36 #include "wine/exception.h"
39 static INT (WINAPI *pLoadStringA)(HINSTANCE, UINT, LPSTR, INT);
40 static INT (WINAPI *pwvsprintfA)(LPSTR, LPCSTR, va_list);
43 /***********************************************************************
44 * Helper for k32 family functions
46 static void *user32_proc_address(const char *proc_name)
48 static HMODULE hUser32;
50 if(!hUser32) hUser32 = LoadLibraryA("user32.dll");
51 return GetProcAddress(hUser32, proc_name);
55 /***********************************************************************
56 * k32CharToOemBuffA (KERNEL32.11)
58 BOOL WINAPI k32CharToOemBuffA(LPCSTR s, LPSTR d, DWORD len)
62 if ((bufW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
64 MultiByteToWideChar( CP_ACP, 0, s, len, bufW, len );
65 WideCharToMultiByte( CP_OEMCP, 0, bufW, len, d, len, NULL, NULL );
66 HeapFree( GetProcessHeap(), 0, bufW );
72 /***********************************************************************
73 * k32CharToOemA (KERNEL32.10)
75 BOOL WINAPI k32CharToOemA(LPCSTR s, LPSTR d)
77 if (!s || !d) return TRUE;
78 return k32CharToOemBuffA( s, d, strlen(s) + 1 );
82 /***********************************************************************
83 * k32OemToCharBuffA (KERNEL32.13)
85 BOOL WINAPI k32OemToCharBuffA(LPCSTR s, LPSTR d, DWORD len)
89 if ((bufW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
91 MultiByteToWideChar( CP_OEMCP, 0, s, len, bufW, len );
92 WideCharToMultiByte( CP_ACP, 0, bufW, len, d, len, NULL, NULL );
93 HeapFree( GetProcessHeap(), 0, bufW );
99 /***********************************************************************
100 * k32OemToCharA (KERNEL32.12)
102 BOOL WINAPI k32OemToCharA(LPCSTR s, LPSTR d)
104 return k32OemToCharBuffA( s, d, strlen(s) + 1 );
108 /**********************************************************************
109 * k32LoadStringA (KERNEL32.14)
111 INT WINAPI k32LoadStringA(HINSTANCE instance, UINT resource_id,
112 LPSTR buffer, INT buflen)
114 if(!pLoadStringA) pLoadStringA = user32_proc_address("LoadStringA");
115 return pLoadStringA(instance, resource_id, buffer, buflen);
119 /***********************************************************************
120 * k32wvsprintfA (KERNEL32.16)
122 INT WINAPI k32wvsprintfA(LPSTR buffer, LPCSTR spec, va_list args)
124 if(!pwvsprintfA) pwvsprintfA = user32_proc_address("wvsprintfA");
125 return (*pwvsprintfA)(buffer, spec, args);
129 /***********************************************************************
130 * k32wsprintfA (KERNEL32.15)
132 INT WINAPIV k32wsprintfA(LPSTR buffer, LPCSTR spec, ...)
137 va_start(args, spec);
138 res = k32wvsprintfA(buffer, spec, args);
144 /***********************************************************************
145 * hmemcpy (KERNEL.348)
147 void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
149 memcpy( dst, src, count );
153 /***********************************************************************
154 * lstrcat (KERNEL.89)
156 SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
158 /* Windows does not check for NULL pointers here, so we don't either */
159 strcat( MapSL(dst), src );
164 /***********************************************************************
165 * lstrcatA (KERNEL32.@)
166 * lstrcat (KERNEL32.@)
168 LPSTR WINAPI lstrcatA( LPSTR dst, LPCSTR src )
176 SetLastError( ERROR_INVALID_PARAMETER );
184 /***********************************************************************
185 * lstrcatW (KERNEL32.@)
187 LPWSTR WINAPI lstrcatW( LPWSTR dst, LPCWSTR src )
195 SetLastError( ERROR_INVALID_PARAMETER );
203 /***********************************************************************
204 * lstrcatn (KERNEL.352)
206 SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
208 LPSTR p = MapSL(dst);
212 if ((n -= (p - start)) <= 0) return dst;
213 lstrcpynA( p, src, n );
218 /***********************************************************************
219 * lstrcpy (KERNEL.88)
221 SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
223 if (!lstrcpyA( MapSL(dst), src )) dst = 0;
228 /***********************************************************************
229 * lstrcpyA (KERNEL32.@)
230 * lstrcpy (KERNEL32.@)
232 LPSTR WINAPI lstrcpyA( LPSTR dst, LPCSTR src )
236 /* this is how Windows does it */
237 memmove( dst, src, strlen(src)+1 );
241 SetLastError( ERROR_INVALID_PARAMETER );
249 /***********************************************************************
250 * lstrcpyW (KERNEL32.@)
252 LPWSTR WINAPI lstrcpyW( LPWSTR dst, LPCWSTR src )
260 SetLastError( ERROR_INVALID_PARAMETER );
268 /***********************************************************************
269 * lstrcpyn (KERNEL.353)
271 SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
273 lstrcpynA( MapSL(dst), src, n );
278 /***********************************************************************
279 * lstrcpynA (KERNEL32.@)
280 * lstrcpyn (KERNEL32.@)
282 * Note: this function differs from the UNIX strncpy, it _always_ writes
285 * Note: n is an INT but Windows treats it as unsigned, and will happily
286 * copy a gazillion chars if n is negative.
288 LPSTR WINAPI lstrcpynA( LPSTR dst, LPCSTR src, INT n )
296 while ((count > 1) && *s)
305 SetLastError( ERROR_INVALID_PARAMETER );
313 /***********************************************************************
314 * lstrcpynW (KERNEL32.@)
316 * Note: this function differs from the UNIX strncpy, it _always_ writes
319 * Note: n is an INT but Windows treats it as unsigned, and will happily
320 * copy a gazillion chars if n is negative.
322 LPWSTR WINAPI lstrcpynW( LPWSTR dst, LPCWSTR src, INT n )
330 while ((count > 1) && *s)
339 SetLastError( ERROR_INVALID_PARAMETER );
347 /***********************************************************************
348 * lstrlen (KERNEL.90)
350 INT16 WINAPI lstrlen16( LPCSTR str )
352 return (INT16)lstrlenA( str );
356 /***********************************************************************
357 * lstrlenA (KERNEL32.@)
358 * lstrlen (KERNEL32.@)
360 INT WINAPI lstrlenA( LPCSTR str )
369 SetLastError( ERROR_INVALID_PARAMETER );
377 /***********************************************************************
378 * lstrlenW (KERNEL32.@)
380 INT WINAPI lstrlenW( LPCWSTR str )
389 SetLastError( ERROR_INVALID_PARAMETER );
397 /***********************************************************************
398 * UnicodeToAnsi (KERNEL.434)
400 INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
402 if ( codepage == -1 ) codepage = CP_ACP;
403 return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );
407 /***************************************************************************
409 * Win 2.x string functions now moved to USER
411 * We rather want to implement them here instead of doing Callouts
414 /***********************************************************************
415 * Reserved1 (KERNEL.77)
417 SEGPTR WINAPI KERNEL_AnsiNext16(SEGPTR current)
419 return (*(char *)MapSL(current)) ? current + 1 : current;
422 /***********************************************************************
423 * Reserved2(KERNEL.78)
425 SEGPTR WINAPI KERNEL_AnsiPrev16( SEGPTR start, SEGPTR current )
427 return (current==start)?start:current-1;
430 /***********************************************************************
431 * Reserved3 (KERNEL.79)
433 SEGPTR WINAPI KERNEL_AnsiUpper16( SEGPTR strOrChar )
435 /* uppercase only one char if strOrChar < 0x10000 */
436 if (HIWORD(strOrChar))
438 char *s = MapSL(strOrChar);
446 else return toupper((char)strOrChar);
449 /***********************************************************************
450 * Reserved4 (KERNEL.80)
452 SEGPTR WINAPI KERNEL_AnsiLower16( SEGPTR strOrChar )
454 /* lowercase only one char if strOrChar < 0x10000 */
455 if (HIWORD(strOrChar))
457 char *s = MapSL(strOrChar);
465 else return tolower((char)strOrChar);
469 /***********************************************************************
470 * Reserved5 (KERNEL.87)
472 INT16 WINAPI KERNEL_lstrcmp16( LPCSTR str1, LPCSTR str2 )
474 return (INT16)strcmp( str1, str2 );