4 * Copyright 1993 Yngvi Sigurjonsson
5 * Copyright 1996 Alexandre Julliard
13 #include "wine/winbase16.h"
14 #include "wine/exception.h"
15 #include "wine/unicode.h"
18 #include "debugtools.h"
20 DEFAULT_DEBUG_CHANNEL(string);
22 /* filter for page-fault exceptions */
23 static WINE_EXCEPTION_FILTER(page_fault)
25 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
26 return EXCEPTION_EXECUTE_HANDLER;
27 return EXCEPTION_CONTINUE_SEARCH;
31 /***********************************************************************
32 * hmemcpy (KERNEL.348)
34 void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
36 memcpy( dst, src, count );
40 /***********************************************************************
43 SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
45 /* Windows does not check for NULL pointers here, so we don't either */
46 strcat( MapSL(dst), src );
51 /***********************************************************************
52 * lstrcat (KERNEL32.@)
53 * lstrcatA (KERNEL32.@)
55 LPSTR WINAPI lstrcatA( LPSTR dst, LPCSTR src )
63 SetLastError( ERROR_INVALID_PARAMETER );
71 /***********************************************************************
72 * lstrcatW (KERNEL32.@)
74 LPWSTR WINAPI lstrcatW( LPWSTR dst, LPCWSTR src )
82 SetLastError( ERROR_INVALID_PARAMETER );
90 /***********************************************************************
91 * lstrcatn (KERNEL.352)
93 SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
99 if ((n -= (p - start)) <= 0) return dst;
100 lstrcpynA( p, src, n );
105 /***********************************************************************
106 * lstrcmp (KERNEL32.@)
107 * lstrcmpA (KERNEL32.@)
109 INT WINAPI lstrcmpA( LPCSTR str1, LPCSTR str2 )
111 return CompareStringA(LOCALE_SYSTEM_DEFAULT,0,str1,-1,str2,-1) - 2 ;
115 /***********************************************************************
116 * lstrcmpW (KERNEL32.@)
117 * FIXME : should call CompareStringW, when it is implemented.
118 * This implementation is not "word sort", as it should.
120 INT WINAPI lstrcmpW( LPCWSTR str1, LPCWSTR str2 )
123 debugstr_w (str1), debugstr_w (str2));
124 if (!str1 || !str2) {
125 SetLastError(ERROR_INVALID_PARAMETER);
128 while (*str1 && (*str1 == *str2)) { str1++; str2++; }
129 return (INT)(*str1 - *str2);
133 /***********************************************************************
134 * lstrcmpi (KERNEL32.@)
135 * lstrcmpiA (KERNEL32.@)
137 INT WINAPI lstrcmpiA( LPCSTR str1, LPCSTR str2 )
138 { TRACE("strcmpi %s and %s\n",
139 debugstr_a (str1), debugstr_a (str2));
140 return CompareStringA(LOCALE_SYSTEM_DEFAULT,NORM_IGNORECASE,str1,-1,str2,-1)-2;
144 /***********************************************************************
145 * lstrcmpiW (KERNEL32.@)
147 INT WINAPI lstrcmpiW( LPCWSTR str1, LPCWSTR str2 )
149 if (!str1 || !str2) {
150 SetLastError(ERROR_INVALID_PARAMETER);
153 return strcmpiW( str1, str2 );
157 /***********************************************************************
158 * lstrcpy (KERNEL.88)
160 SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
162 if (!lstrcpyA( MapSL(dst), src )) dst = 0;
167 /***********************************************************************
168 * lstrcpy (KERNEL32.@)
169 * lstrcpyA (KERNEL32.@)
171 LPSTR WINAPI lstrcpyA( LPSTR dst, LPCSTR src )
175 /* this is how Windows does it */
176 memmove( dst, src, strlen(src)+1 );
180 ERR("(%p, %p): page fault occurred ! Caused by bug ?\n", dst, src);
181 SetLastError( ERROR_INVALID_PARAMETER );
189 /***********************************************************************
190 * lstrcpyW (KERNEL32.@)
192 LPWSTR WINAPI lstrcpyW( LPWSTR dst, LPCWSTR src )
200 SetLastError( ERROR_INVALID_PARAMETER );
208 /***********************************************************************
209 * lstrcpyn (KERNEL.353)
211 SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
213 lstrcpynA( MapSL(dst), src, n );
218 /***********************************************************************
219 * lstrcpyn (KERNEL32.@)
220 * lstrcpynA (KERNEL32.@)
222 * Note: this function differs from the UNIX strncpy, it _always_ writes
225 LPSTR WINAPI lstrcpynA( LPSTR dst, LPCSTR src, INT n )
228 TRACE("(%p, %s, %i)\n", dst, debugstr_an(src,n), n);
229 /* In real windows the whole function is protected by an exception handler
230 * that returns ERROR_INVALID_PARAMETER on faulty parameters
231 * We currently just check for NULL.
234 SetLastError(ERROR_INVALID_PARAMETER);
237 while ((n-- > 1) && *src) *p++ = *src++;
243 /***********************************************************************
244 * lstrcpynW (KERNEL32.@)
245 * Note: this function differs from the UNIX strncpy, it _always_ writes
248 LPWSTR WINAPI lstrcpynW( LPWSTR dst, LPCWSTR src, INT n )
251 TRACE("(%p, %s, %i)\n", dst, debugstr_wn(src,n), n);
252 /* In real windows the whole function is protected by an exception handler
253 * that returns ERROR_INVALID_PARAMETER on faulty parameters
254 * We currently just check for NULL.
257 SetLastError(ERROR_INVALID_PARAMETER);
260 while ((n-- > 1) && *src) *p++ = *src++;
266 /***********************************************************************
267 * lstrlen (KERNEL.90)
269 INT16 WINAPI lstrlen16( LPCSTR str )
271 return (INT16)lstrlenA( str );
275 /***********************************************************************
276 * lstrlen (KERNEL32.@)
277 * lstrlenA (KERNEL32.@)
279 INT WINAPI lstrlenA( LPCSTR str )
288 SetLastError( ERROR_INVALID_PARAMETER );
296 /***********************************************************************
297 * lstrlenW (KERNEL32.@)
299 INT WINAPI lstrlenW( LPCWSTR str )
308 SetLastError( ERROR_INVALID_PARAMETER );
316 /***********************************************************************
317 * UnicodeToAnsi (KERNEL.434)
319 INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
321 if ( codepage == -1 )
324 return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );