4 * Copyright 1993 Yngvi Sigurjonsson
5 * Copyright 1996 Alexandre Julliard
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
27 #include "wine/winbase16.h"
28 #include "wine/exception.h"
29 #include "wine/unicode.h"
32 #include "msvcrt/excpt.h"
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(string);
37 /* filter for page-fault exceptions */
38 static WINE_EXCEPTION_FILTER(page_fault)
40 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
41 return EXCEPTION_EXECUTE_HANDLER;
42 return EXCEPTION_CONTINUE_SEARCH;
46 /***********************************************************************
47 * hmemcpy (KERNEL.348)
49 void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
51 memcpy( dst, src, count );
55 /***********************************************************************
58 SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
60 /* Windows does not check for NULL pointers here, so we don't either */
61 strcat( MapSL(dst), src );
66 /***********************************************************************
67 * lstrcat (KERNEL32.@)
68 * lstrcatA (KERNEL32.@)
70 LPSTR WINAPI lstrcatA( LPSTR dst, LPCSTR src )
78 SetLastError( ERROR_INVALID_PARAMETER );
86 /***********************************************************************
87 * lstrcatW (KERNEL32.@)
89 LPWSTR WINAPI lstrcatW( LPWSTR dst, LPCWSTR src )
97 SetLastError( ERROR_INVALID_PARAMETER );
105 /***********************************************************************
106 * lstrcatn (KERNEL.352)
108 SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
110 LPSTR p = MapSL(dst);
114 if ((n -= (p - start)) <= 0) return dst;
115 lstrcpynA( p, src, n );
120 /***********************************************************************
121 * lstrcmp (KERNEL32.@)
122 * lstrcmpA (KERNEL32.@)
124 INT WINAPI lstrcmpA( LPCSTR str1, LPCSTR str2 )
126 return CompareStringA(LOCALE_SYSTEM_DEFAULT,0,str1,-1,str2,-1) - 2 ;
130 /***********************************************************************
131 * lstrcmpW (KERNEL32.@)
132 * FIXME : should call CompareStringW, when it is implemented.
133 * This implementation is not "word sort", as it should.
135 INT WINAPI lstrcmpW( LPCWSTR str1, LPCWSTR str2 )
138 debugstr_w (str1), debugstr_w (str2));
139 if (!str1 || !str2) {
140 SetLastError(ERROR_INVALID_PARAMETER);
143 while (*str1 && (*str1 == *str2)) { str1++; str2++; }
144 return (INT)(*str1 - *str2);
148 /***********************************************************************
149 * lstrcmpi (KERNEL32.@)
150 * lstrcmpiA (KERNEL32.@)
152 INT WINAPI lstrcmpiA( LPCSTR str1, LPCSTR str2 )
153 { TRACE("strcmpi %s and %s\n",
154 debugstr_a (str1), debugstr_a (str2));
155 return CompareStringA(LOCALE_SYSTEM_DEFAULT,NORM_IGNORECASE,str1,-1,str2,-1)-2;
159 /***********************************************************************
160 * lstrcmpiW (KERNEL32.@)
162 INT WINAPI lstrcmpiW( LPCWSTR str1, LPCWSTR str2 )
164 if (!str1 || !str2) {
165 SetLastError(ERROR_INVALID_PARAMETER);
168 return strcmpiW( str1, str2 );
172 /***********************************************************************
173 * lstrcpy (KERNEL.88)
175 SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
177 if (!lstrcpyA( MapSL(dst), src )) dst = 0;
182 /***********************************************************************
183 * lstrcpy (KERNEL32.@)
184 * lstrcpyA (KERNEL32.@)
186 LPSTR WINAPI lstrcpyA( LPSTR dst, LPCSTR src )
190 /* this is how Windows does it */
191 memmove( dst, src, strlen(src)+1 );
195 ERR("(%p, %p): page fault occurred ! Caused by bug ?\n", dst, src);
196 SetLastError( ERROR_INVALID_PARAMETER );
204 /***********************************************************************
205 * lstrcpyW (KERNEL32.@)
207 LPWSTR WINAPI lstrcpyW( LPWSTR dst, LPCWSTR src )
215 SetLastError( ERROR_INVALID_PARAMETER );
223 /***********************************************************************
224 * lstrcpyn (KERNEL.353)
226 SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
228 lstrcpynA( MapSL(dst), src, n );
233 /***********************************************************************
234 * lstrcpyn (KERNEL32.@)
235 * lstrcpynA (KERNEL32.@)
237 * Note: this function differs from the UNIX strncpy, it _always_ writes
240 LPSTR WINAPI lstrcpynA( LPSTR dst, LPCSTR src, INT n )
243 TRACE("(%p, %s, %i)\n", dst, debugstr_an(src,n), n);
244 /* In real windows the whole function is protected by an exception handler
245 * that returns ERROR_INVALID_PARAMETER on faulty parameters
246 * We currently just check for NULL.
249 SetLastError(ERROR_INVALID_PARAMETER);
252 while ((n-- > 1) && *src) *p++ = *src++;
258 /***********************************************************************
259 * lstrcpynW (KERNEL32.@)
260 * Note: this function differs from the UNIX strncpy, it _always_ writes
263 LPWSTR WINAPI lstrcpynW( LPWSTR dst, LPCWSTR src, INT n )
266 TRACE("(%p, %s, %i)\n", dst, debugstr_wn(src,n), n);
267 /* In real windows the whole function is protected by an exception handler
268 * that returns ERROR_INVALID_PARAMETER on faulty parameters
269 * We currently just check for NULL.
272 SetLastError(ERROR_INVALID_PARAMETER);
275 while ((n-- > 1) && *src) *p++ = *src++;
281 /***********************************************************************
282 * lstrlen (KERNEL.90)
284 INT16 WINAPI lstrlen16( LPCSTR str )
286 return (INT16)lstrlenA( str );
290 /***********************************************************************
291 * lstrlen (KERNEL32.@)
292 * lstrlenA (KERNEL32.@)
294 INT WINAPI lstrlenA( LPCSTR str )
303 SetLastError( ERROR_INVALID_PARAMETER );
311 /***********************************************************************
312 * lstrlenW (KERNEL32.@)
314 INT WINAPI lstrlenW( LPCWSTR str )
323 SetLastError( ERROR_INVALID_PARAMETER );
331 /***********************************************************************
332 * UnicodeToAnsi (KERNEL.434)
334 INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
336 if ( codepage == -1 )
339 return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );