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kernel32: Set last error to ERROR_ALREADY_EXISTS if CreateFile succeeds and file existed before for CREATE_ALWAYS and OPEN_ALWAYS.

This commit is contained in:
Dmitry Timoshkov 2007-11-15 13:36:42 +08:00 committed by Alexandre Julliard
parent 02be3e260a
commit 07efb2740b
2 changed files with 64 additions and 1 deletions
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9
dlls/kernel32/file.c
View File

@ -1428,7 +1428,14 @@ HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
else
SetLastError( RtlNtStatusToDosError(status) );
}
else SetLastError(0);
else
{
if ((creation == CREATE_ALWAYS && io.Information == FILE_OVERWRITTEN) ||
(creation == OPEN_ALWAYS && io.Information == FILE_OPENED))
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( 0 );
}
RtlFreeUnicodeString( &nameW );
done:

56
dlls/kernel32/tests/file.c
View File

@ -658,11 +658,39 @@ static void test_CreateFileA(void)
ret = GetTempFileNameA(temp_path, prefix, 0, filename);
ok(ret != 0, "GetTempFileNameA error %d\n", GetLastError());
SetLastError(0xdeadbeef);
hFile = CreateFileA(filename, GENERIC_READ, 0, NULL,
CREATE_NEW, FILE_FLAG_RANDOM_ACCESS, 0);
ok(hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_FILE_EXISTS,
"CREATE_NEW should fail if file exists and last error value should be ERROR_FILE_EXISTS\n");
SetLastError(0xdeadbeef);
hFile = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
CREATE_ALWAYS, FILE_FLAG_RANDOM_ACCESS, 0);
ok(hFile != INVALID_HANDLE_VALUE && GetLastError() == ERROR_ALREADY_EXISTS,
"hFile %p, last error %u\n", hFile, GetLastError());
CloseHandle(hFile);
SetLastError(0xdeadbeef);
hFile = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_ALWAYS, FILE_FLAG_RANDOM_ACCESS, 0);
ok(hFile != INVALID_HANDLE_VALUE && GetLastError() == ERROR_ALREADY_EXISTS,
"hFile %p, last error %u\n", hFile, GetLastError());
CloseHandle(hFile);
ret = DeleteFileA(filename);
ok(ret, "DeleteFileA: error %d\n", GetLastError());
SetLastError(0xdeadbeef);
hFile = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_ALWAYS, FILE_FLAG_RANDOM_ACCESS, 0);
ok(hFile != INVALID_HANDLE_VALUE && GetLastError() == 0,
"hFile %p, last error %u\n", hFile, GetLastError());
CloseHandle(hFile);
ret = DeleteFileA(filename);
ok(ret, "DeleteFileA: error %d\n", GetLastError());
}
@ -686,11 +714,39 @@ static void test_CreateFileW(void)
ret = GetTempFileNameW(temp_path, prefix, 0, filename);
ok(ret != 0, "GetTempFileNameW error %d\n", GetLastError());
SetLastError(0xdeadbeef);
hFile = CreateFileW(filename, GENERIC_READ, 0, NULL,
CREATE_NEW, FILE_FLAG_RANDOM_ACCESS, 0);
ok(hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_FILE_EXISTS,
"CREATE_NEW should fail if file exists and last error value should be ERROR_FILE_EXISTS\n");
SetLastError(0xdeadbeef);
hFile = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
CREATE_ALWAYS, FILE_FLAG_RANDOM_ACCESS, 0);
ok(hFile != INVALID_HANDLE_VALUE && GetLastError() == ERROR_ALREADY_EXISTS,
"hFile %p, last error %u\n", hFile, GetLastError());
CloseHandle(hFile);
SetLastError(0xdeadbeef);
hFile = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_ALWAYS, FILE_FLAG_RANDOM_ACCESS, 0);
ok(hFile != INVALID_HANDLE_VALUE && GetLastError() == ERROR_ALREADY_EXISTS,
"hFile %p, last error %u\n", hFile, GetLastError());
CloseHandle(hFile);
ret = DeleteFileW(filename);
ok(ret, "DeleteFileW: error %d\n", GetLastError());
SetLastError(0xdeadbeef);
hFile = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_ALWAYS, FILE_FLAG_RANDOM_ACCESS, 0);
ok(hFile != INVALID_HANDLE_VALUE && GetLastError() == 0,
"hFile %p, last error %u\n", hFile, GetLastError());
CloseHandle(hFile);
ret = DeleteFileW(filename);
ok(ret, "DeleteFileW: error %d\n", GetLastError());