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"
19 #include "debugtools.h"
21 DEFAULT_DEBUG_CHANNEL(string);
23 /* filter for page-fault exceptions */
24 static WINE_EXCEPTION_FILTER(page_fault)
26 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
27 return EXCEPTION_EXECUTE_HANDLER;
28 return EXCEPTION_CONTINUE_SEARCH;
32 /***********************************************************************
33 * hmemcpy16 (KERNEL.348)
35 void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
37 memcpy( dst, src, count );
41 /***********************************************************************
42 * lstrcat16 (KERNEL.89)
44 SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
46 /* Windows does not check for NULL pointers here, so we don't either */
47 strcat( (LPSTR)PTR_SEG_TO_LIN(dst), src );
52 /***********************************************************************
53 * lstrcatA (KERNEL32.599)
55 LPSTR WINAPI lstrcatA( LPSTR dst, LPCSTR src )
63 SetLastError( ERROR_INVALID_PARAMETER );
71 /***********************************************************************
72 * lstrcatW (KERNEL32.600)
74 LPWSTR WINAPI lstrcatW( LPWSTR dst, LPCWSTR src )
82 SetLastError( ERROR_INVALID_PARAMETER );
90 /***********************************************************************
91 * lstrcatn16 (KERNEL.352)
93 SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
95 LPSTR p = (LPSTR)PTR_SEG_TO_LIN(dst);
98 if ((n -= (p - (LPSTR)PTR_SEG_TO_LIN(dst))) <= 0) return dst;
99 lstrcpynA( p, src, n );
104 /***********************************************************************
105 * lstrcmpA (KERNEL.602)
107 INT WINAPI lstrcmpA( LPCSTR str1, LPCSTR str2 )
109 return CompareStringA(LOCALE_SYSTEM_DEFAULT,0,str1,-1,str2,-1) - 2 ;
113 /***********************************************************************
114 * lstrcmpW (KERNEL.603)
115 * FIXME : should call CompareStringW, when it is implemented.
116 * This implementation is not "word sort", as it should.
118 INT WINAPI lstrcmpW( LPCWSTR str1, LPCWSTR str2 )
121 debugstr_w (str1), debugstr_w (str2));
122 if (!str1 || !str2) {
123 SetLastError(ERROR_INVALID_PARAMETER);
126 while (*str1 && (*str1 == *str2)) { str1++; str2++; }
127 return (INT)(*str1 - *str2);
131 /***********************************************************************
132 * lstrcmpiA (KERNEL32.605)
134 INT WINAPI lstrcmpiA( LPCSTR str1, LPCSTR str2 )
135 { TRACE("strcmpi %s and %s\n",
136 debugstr_a (str1), debugstr_a (str2));
137 return CompareStringA(LOCALE_SYSTEM_DEFAULT,NORM_IGNORECASE,str1,-1,str2,-1)-2;
141 /***********************************************************************
142 * lstrcmpiW (KERNEL32.606)
144 INT WINAPI lstrcmpiW( LPCWSTR str1, LPCWSTR str2 )
146 if (!str1 || !str2) {
147 SetLastError(ERROR_INVALID_PARAMETER);
150 return strcmpiW( str1, str2 );
154 /***********************************************************************
155 * lstrcpy16 (KERNEL.88)
157 SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
159 if (!lstrcpyA( PTR_SEG_TO_LIN(dst), src )) dst = 0;
164 /***********************************************************************
165 * lstrcpyA (KERNEL32.608)
167 LPSTR WINAPI lstrcpyA( LPSTR dst, LPCSTR src )
171 /* this is how Windows does it */
172 memmove( dst, src, strlen(src)+1 );
176 ERR("(%p, %p): page fault occurred ! Caused by bug ?\n", dst, src);
177 SetLastError( ERROR_INVALID_PARAMETER );
185 /***********************************************************************
186 * lstrcpyW (KERNEL32.609)
188 LPWSTR WINAPI lstrcpyW( LPWSTR dst, LPCWSTR src )
196 SetLastError( ERROR_INVALID_PARAMETER );
204 /***********************************************************************
205 * lstrcpyn16 (KERNEL.353)
207 SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
209 lstrcpynA( (LPSTR)PTR_SEG_TO_LIN(dst), src, n );
214 /***********************************************************************
215 * lstrcpynA (KERNEL32.611)
216 * Note: this function differs from the UNIX strncpy, it _always_ writes
219 LPSTR WINAPI lstrcpynA( LPSTR dst, LPCSTR src, INT n )
222 TRACE("(%p, %s, %i)\n", dst, debugstr_an(src,n), n);
223 /* In real windows the whole function is protected by an exception handler
224 * that returns ERROR_INVALID_PARAMETER on faulty parameters
225 * We currently just check for NULL.
228 SetLastError(ERROR_INVALID_PARAMETER);
231 while ((n-- > 1) && *src) *p++ = *src++;
237 /***********************************************************************
238 * lstrcpynW (KERNEL32.612)
239 * Note: this function differs from the UNIX strncpy, it _always_ writes
242 LPWSTR WINAPI lstrcpynW( LPWSTR dst, LPCWSTR src, INT n )
245 TRACE("(%p, %s, %i)\n", dst, debugstr_wn(src,n), n);
246 /* In real windows the whole function is protected by an exception handler
247 * that returns ERROR_INVALID_PARAMETER on faulty parameters
248 * We currently just check for NULL.
251 SetLastError(ERROR_INVALID_PARAMETER);
254 while ((n-- > 1) && *src) *p++ = *src++;
260 /***********************************************************************
261 * lstrlen16 (KERNEL.90)
263 INT16 WINAPI lstrlen16( LPCSTR str )
265 return (INT16)lstrlenA( str );
269 /***********************************************************************
270 * lstrlenA (KERNEL32.614)
272 INT WINAPI lstrlenA( LPCSTR str )
281 SetLastError( ERROR_INVALID_PARAMETER );
289 /***********************************************************************
290 * lstrlenW (KERNEL32.615)
292 INT WINAPI lstrlenW( LPCWSTR str )
301 SetLastError( ERROR_INVALID_PARAMETER );
309 /***********************************************************************
310 * lstrcpynAtoW (Not a Windows API)
311 * Note: this function differs from the UNIX strncpy, it _always_ writes
314 LPWSTR WINAPI lstrcpynAtoW( LPWSTR dst, LPCSTR src, INT n )
316 if (n > 0 && !MultiByteToWideChar( CP_ACP, 0, src, -1, dst, n )) dst[n-1] = 0;
321 /***********************************************************************
322 * lstrcpynWtoA (Not a Windows API)
323 * Note: this function differs from the UNIX strncpy, it _always_ writes
326 * The terminating zero should be written at the end of the string, not
327 * the end of the buffer, as some programs specify the wrong size for
328 * the buffer (eg. winnt's sol.exe)
330 LPSTR WINAPI lstrcpynWtoA( LPSTR dst, LPCWSTR src, INT n )
332 if (n > 0 && !WideCharToMultiByte( CP_ACP, 0, src, -1, dst, n, NULL, NULL )) dst[n-1] = 0;
336 /***********************************************************************
337 * UnicodeToAnsi (KERNEL.434)
339 INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
341 if ( codepage == -1 )
344 return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );