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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #include "wine/port.h"
30 #define WINE_NO_INLINE_STRING
33 #include "wine/winbase16.h"
34 #include "wine/unicode.h"
35 #include "wine/exception.h"
38 static INT (WINAPI *pLoadStringA)(HINSTANCE, UINT, LPSTR, INT);
39 static INT (WINAPI *pwvsprintfA)(LPSTR, LPCSTR, va_list);
42 /***********************************************************************
43 * Helper for k32 family functions
45 static void *user32_proc_address(const char *proc_name)
47 static HMODULE hUser32;
49 if(!hUser32) hUser32 = LoadLibraryA("user32.dll");
50 return GetProcAddress(hUser32, proc_name);
54 /***********************************************************************
55 * k32CharToOemBuffA (KERNEL32.11)
57 BOOL WINAPI k32CharToOemBuffA(LPCSTR s, LPSTR d, DWORD len)
61 if ((bufW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
63 MultiByteToWideChar( CP_ACP, 0, s, len, bufW, len );
64 WideCharToMultiByte( CP_OEMCP, 0, bufW, len, d, len, NULL, NULL );
65 HeapFree( GetProcessHeap(), 0, bufW );
71 /***********************************************************************
72 * k32CharToOemA (KERNEL32.10)
74 BOOL WINAPI k32CharToOemA(LPCSTR s, LPSTR d)
76 if (!s || !d) return TRUE;
77 return k32CharToOemBuffA( s, d, strlen(s) + 1 );
81 /***********************************************************************
82 * k32OemToCharBuffA (KERNEL32.13)
84 BOOL WINAPI k32OemToCharBuffA(LPCSTR s, LPSTR d, DWORD len)
88 if ((bufW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
90 MultiByteToWideChar( CP_OEMCP, 0, s, len, bufW, len );
91 WideCharToMultiByte( CP_ACP, 0, bufW, len, d, len, NULL, NULL );
92 HeapFree( GetProcessHeap(), 0, bufW );
98 /***********************************************************************
99 * k32OemToCharA (KERNEL32.12)
101 BOOL WINAPI k32OemToCharA(LPCSTR s, LPSTR d)
103 return k32OemToCharBuffA( s, d, strlen(s) + 1 );
107 /**********************************************************************
108 * k32LoadStringA (KERNEL32.14)
110 INT WINAPI k32LoadStringA(HINSTANCE instance, UINT resource_id,
111 LPSTR buffer, INT buflen)
113 if(!pLoadStringA) pLoadStringA = user32_proc_address("LoadStringA");
114 return pLoadStringA(instance, resource_id, buffer, buflen);
118 /***********************************************************************
119 * k32wvsprintfA (KERNEL32.16)
121 INT WINAPI k32wvsprintfA(LPSTR buffer, LPCSTR spec, va_list args)
123 if(!pwvsprintfA) pwvsprintfA = user32_proc_address("wvsprintfA");
124 return (*pwvsprintfA)(buffer, spec, args);
128 /***********************************************************************
129 * k32wsprintfA (KERNEL32.15)
131 INT WINAPIV k32wsprintfA(LPSTR buffer, LPCSTR spec, ...)
136 va_start(args, spec);
137 res = k32wvsprintfA(buffer, spec, args);
143 /***********************************************************************
144 * hmemcpy (KERNEL.348)
146 void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
148 memcpy( dst, src, count );
152 /***********************************************************************
153 * lstrcat (KERNEL.89)
155 SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
157 /* Windows does not check for NULL pointers here, so we don't either */
158 strcat( MapSL(dst), src );
163 /***********************************************************************
164 * lstrcatA (KERNEL32.@)
165 * lstrcat (KERNEL32.@)
167 LPSTR WINAPI lstrcatA( LPSTR dst, LPCSTR src )
175 SetLastError( ERROR_INVALID_PARAMETER );
183 /***********************************************************************
184 * lstrcatW (KERNEL32.@)
186 LPWSTR WINAPI lstrcatW( LPWSTR dst, LPCWSTR src )
194 SetLastError( ERROR_INVALID_PARAMETER );
202 /***********************************************************************
203 * lstrcatn (KERNEL.352)
205 SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
207 LPSTR p = MapSL(dst);
211 if ((n -= (p - start)) <= 0) return dst;
212 lstrcpynA( p, src, n );
217 /***********************************************************************
218 * lstrcpy (KERNEL.88)
220 SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
222 if (!lstrcpyA( MapSL(dst), src )) dst = 0;
227 /***********************************************************************
228 * lstrcpyA (KERNEL32.@)
229 * lstrcpy (KERNEL32.@)
231 LPSTR WINAPI lstrcpyA( LPSTR dst, LPCSTR src )
235 /* this is how Windows does it */
236 memmove( dst, src, strlen(src)+1 );
240 SetLastError( ERROR_INVALID_PARAMETER );
248 /***********************************************************************
249 * lstrcpyW (KERNEL32.@)
251 LPWSTR WINAPI lstrcpyW( LPWSTR dst, LPCWSTR src )
259 SetLastError( ERROR_INVALID_PARAMETER );
267 /***********************************************************************
268 * lstrcpyn (KERNEL.353)
270 SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
272 lstrcpynA( MapSL(dst), src, n );
277 /***********************************************************************
278 * lstrcpynA (KERNEL32.@)
279 * lstrcpyn (KERNEL32.@)
281 * Note: this function differs from the UNIX strncpy, it _always_ writes
284 * Note: n is an INT but Windows treats it as unsigned, and will happily
285 * copy a gazillion chars if n is negative.
287 LPSTR WINAPI lstrcpynA( LPSTR dst, LPCSTR src, INT n )
295 while ((count > 1) && *s)
304 SetLastError( ERROR_INVALID_PARAMETER );
312 /***********************************************************************
313 * lstrcpynW (KERNEL32.@)
315 * Note: this function differs from the UNIX strncpy, it _always_ writes
318 * Note: n is an INT but Windows treats it as unsigned, and will happily
319 * copy a gazillion chars if n is negative.
321 LPWSTR WINAPI lstrcpynW( LPWSTR dst, LPCWSTR src, INT n )
329 while ((count > 1) && *s)
338 SetLastError( ERROR_INVALID_PARAMETER );
346 /***********************************************************************
347 * lstrlen (KERNEL.90)
349 INT16 WINAPI lstrlen16( LPCSTR str )
351 return (INT16)lstrlenA( str );
355 /***********************************************************************
356 * lstrlenA (KERNEL32.@)
357 * lstrlen (KERNEL32.@)
359 INT WINAPI lstrlenA( LPCSTR str )
368 SetLastError( ERROR_INVALID_PARAMETER );
376 /***********************************************************************
377 * lstrlenW (KERNEL32.@)
379 INT WINAPI lstrlenW( LPCWSTR str )
388 SetLastError( ERROR_INVALID_PARAMETER );
396 /***********************************************************************
397 * UnicodeToAnsi (KERNEL.434)
399 INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
401 if ( codepage == -1 ) codepage = CP_ACP;
402 return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );
406 /***************************************************************************
408 * Win 2.x string functions now moved to USER
410 * We rather want to implement them here instead of doing Callouts
413 /***********************************************************************
414 * Reserved1 (KERNEL.77)
416 SEGPTR WINAPI KERNEL_AnsiNext16(SEGPTR current)
418 return (*(char *)MapSL(current)) ? current + 1 : current;
421 /***********************************************************************
422 * Reserved2(KERNEL.78)
424 SEGPTR WINAPI KERNEL_AnsiPrev16( SEGPTR start, SEGPTR current )
426 return (current==start)?start:current-1;
429 /***********************************************************************
430 * Reserved3 (KERNEL.79)
432 SEGPTR WINAPI KERNEL_AnsiUpper16( SEGPTR strOrChar )
434 /* uppercase only one char if strOrChar < 0x10000 */
435 if (HIWORD(strOrChar))
437 char *s = MapSL(strOrChar);
445 else return toupper((char)strOrChar);
448 /***********************************************************************
449 * Reserved4 (KERNEL.80)
451 SEGPTR WINAPI KERNEL_AnsiLower16( SEGPTR strOrChar )
453 /* lowercase only one char if strOrChar < 0x10000 */
454 if (HIWORD(strOrChar))
456 char *s = MapSL(strOrChar);
464 else return tolower((char)strOrChar);
468 /***********************************************************************
469 * Reserved5 (KERNEL.87)
471 INT16 WINAPI KERNEL_lstrcmp16( LPCSTR str1, LPCSTR str2 )
473 return (INT16)strcmp( str1, str2 );