/***********************************************************************
* GetAtomNameA (KERNEL32.@)
*
* Get a copy of the string associated with an atom.
*
* RETURNS
* Success: The length of the returned string in characters.
* Failure: 0.
*/
UINT WINAPI GetAtomNameA(
ATOM atom, /* [in] Atom */
LPSTR buffer, /* [out] Pointer to string for atom string */
INT count) /* [in] Size of buffer */
{
WCHAR tmpW[MAX_ATOM_LEN + 1];
UINT wlen, len = 0, c;
if (count <= 0) SetLastError( ERROR_MORE_DATA );
else if ((wlen = GetAtomNameW( atom, tmpW, MAX_ATOM_LEN + 1 )))
{
char tmp[MAX_ATOM_LEN + 1];
len = WideCharToMultiByte( CP_ACP, 0, tmpW, wlen, tmp, MAX_ATOM_LEN + 1, NULL, NULL );
c = min(len, count - 1);
memcpy(buffer, tmp, c);
buffer[c] = '\0';
if (len >= count)
{
len = c;
SetLastError( ERROR_MORE_DATA );
}
}
return len;
}
static LPWSTR UXTHEME_GetWindowProperty(HWND hwnd, ATOM aProp, LPWSTR pszBuffer, int dwLen)
{
ATOM atValue = (ATOM)(size_t)GetPropW(hwnd, (LPCWSTR)MAKEINTATOM(aProp));
if(atValue) {
if(GetAtomNameW(atValue, pszBuffer, dwLen))
return pszBuffer;
TRACE("property defined, but unable to get value\n");
}
return NULL;
}
static void test_local_get_atom_name(void)
{
char buf[10], in[257], out[257];
WCHAR bufW[10], inW[257], outW[257];
int i;
UINT len;
static const WCHAR resultW[] = {'f','o','o','b','a','r',0,'.','.','.'};
ATOM atom = AddAtomA( "foobar" );
/* Get the name of the atom we added above */
memset( buf, '.', sizeof(buf) );
len = GetAtomNameA( atom, buf, 10 );
ok( len == strlen("foobar"), "bad length %d\n", len );
ok( !memcmp( buf, "foobar\0...", 10 ), "bad buffer contents\n" );
/* Repeat, unicode-style */
if (unicode_OS)
{
for (i = 0; i < 10; i++) bufW[i] = '.';
SetLastError( 0xdeadbeef );
len = GetAtomNameW( atom, bufW, 10 );
ok( len && GetLastError() == 0xdeadbeef, "GetAtomNameW failed\n" );
ok( len == lstrlenW(foobarW), "bad length %d\n", len );
ok( !memcmp( bufW, resultW, 10*sizeof(WCHAR) ), "bad buffer contents\n" );
}
/* Get the name of the atom we added above */
memset( buf, '.', sizeof(buf) );
len = GetAtomNameA( atom, buf, 6 );
ok( len == 5, "bad length %d\n", len );
ok( !memcmp( buf, "fooba\0....", 10 ), "bad buffer contents\n" );
/* Repeat, unicode-style */
if (unicode_OS)
{
WCHAR resW[] = {'f','o','o','b','a','\0','.','.','.','.'};
for (i = 0; i < 10; i++) bufW[i] = '.';
SetLastError( 0xdeadbeef );
len = GetAtomNameW( atom, bufW, 6 );
ok( len && GetLastError() == 0xdeadbeef, "GlobalGetAtomNameW failed\n" );
ok( len == 5, "bad length %d\n", len );
ok( !memcmp( bufW, resW, 10*sizeof(WCHAR) ), "bad buffer contents\n" );
}
/* Check error code returns */
memset(buf, '.', 10);
ok( !GetAtomNameA( atom, buf, 0 ), "succeeded\n" );
ok( !memcmp( buf, "..........", 10 ), "should not touch buffer\n" );
if (unicode_OS)
{
static const WCHAR sampleW[] = {'.','.','.','.','.','.','.','.','.','.'};
for (i = 0; i < 10; i++) bufW[i] = '.';
ok( !GetAtomNameW( atom, bufW, 0 ), "succeeded\n" );
ok( !memcmp( bufW, sampleW, sizeof(sampleW) ), "should not touch buffer\n" );
}
/* Test integer atoms */
for (i = 0; i <= 0xbfff; i++)
{
memset( buf, 'a', 10 );
len = GetAtomNameA( (ATOM)i, buf, 10 );
if (i)
{
char res[20];
ok( (len > 1) && (len < 7), "bad length %d for %s\n", len, buf );
sprintf( res, "#%d", i );
memset( res + strlen(res) + 1, 'a', 10 );
ok( !memcmp( res, buf, 10 ), "bad buffer contents %s\n", buf );
}
else
ok( !len, "bad length %d\n", len );
len = GetAtomNameA( (ATOM)i, buf, 1);
ok(!len, "succeed with %u for %u\n", len, i);
/* ERROR_MORE_DATA is on nt3.51 sp5 */
if (i)
ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER ||
GetLastError() == ERROR_MORE_DATA,
"wrong error conditions %u for %u\n", GetLastError(), i);
else
ok(GetLastError() == ERROR_INVALID_PARAMETER ||
GetLastError() == ERROR_MORE_DATA,
"wrong error conditions %u for %u\n", GetLastError(), i);
}
/* test string limits & overflow */
do_initA(in, "abcdefghij", 255);
atom = AddAtomA(in);
ok(atom, "couldn't add atom for %s\n", in);
len = GetAtomNameA(atom, out, sizeof(out));
ok(len == 255, "length mismatch (%u instead of 255)\n", len);
for (i = 0; i < 255; i++)
{
ok(out[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, out[i], "abcdefghij"[i % 10]);
}
ok(out[255] == '\0', "wrong end of string\n");
memset(out, '.', sizeof(out));
len = GetAtomNameA(atom, out, 10);
ok(len == 9, "succeeded %d\n", len);
for (i = 0; i < 9; i++)
{
ok(out[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, out[i], "abcdefghij"[i % 10]);
}
ok(out[9] == '\0', "wrong end of string\n");
ok(out[10] == '.', "buffer overwrite\n");
do_initA(in, "abcdefghij", 256);
atom = AddAtomA(in);
ok(!atom, "succeeded\n");
/* ERROR_MORE_DATA is on nt3.51 sp5 */
ok(GetLastError() == ERROR_INVALID_PARAMETER ||
GetLastError() == ERROR_MORE_DATA,
"wrong error code (%u)\n", GetLastError());
if (unicode_OS)
{
/* test integral atoms */
for (i = 0; i <= 0xbfff; i++)
{
memset(outW, 'a', sizeof(outW));
len = GetAtomNameW( (ATOM)i, outW, 10 );
if (i)
{
WCHAR res[20];
ok( (len > 1) && (len < 7), "bad length %d\n", len );
wsprintfW( res, integfmt, i );
memset( res + lstrlenW(res) + 1, 'a', 10 * sizeof(WCHAR));
ok( !memcmp( res, outW, 10 * sizeof(WCHAR) ), "bad buffer contents for %d\n", i );
}
else
ok( !len, "bad length %d\n", len );
len = GetAtomNameW( (ATOM)i, outW, 1);
ok(!len, "succeed with %u for %u\n", len, i);
/* ERROR_MORE_DATA is on nt3.51 sp5 */
ok(GetLastError() == ERROR_MORE_DATA ||
GetLastError() == (i ? ERROR_INSUFFICIENT_BUFFER : ERROR_INVALID_PARAMETER),
"wrong error conditions %u for %u\n", GetLastError(), i);
}
do_initW(inW, "abcdefghij", 255);
atom = AddAtomW(inW);
ok(atom, "couldn't add atom for %s\n", in);
len = GetAtomNameW(atom, outW, sizeof(outW)/sizeof(outW[0]));
ok(len == 255, "length mismatch (%u instead of 255)\n", len);
for (i = 0; i < 255; i++)
{
ok(outW[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, outW[i], "abcdefghij"[i % 10]);
}
ok(outW[255] == '\0', "wrong end of string\n");
memset(outW, '.', sizeof(outW));
len = GetAtomNameW(atom, outW, 10);
ok(len == 9, "succeeded %d\n", len);
for (i = 0; i < 9; i++)
{
ok(outW[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, outW[i], "abcdefghij"[i % 10]);
}
ok(outW[9] == '\0', "wrong end of string\n");
ok(outW[10] == DOUBLE('.'), "buffer overwrite\n");
do_initW(inW, "abcdefghij", 256);
atom = AddAtomW(inW);
ok(!atom, "succeeded\n");
/* ERROR_MORE_DATA is on nt3.51 sp5 */
ok(GetLastError() == ERROR_INVALID_PARAMETER ||
GetLastError() == ERROR_MORE_DATA,
"wrong error code (%u)\n", GetLastError());
}
}
DWORD InternalDdeQueryString(
DWORD idInst,
HSZ hsz,
PVOID psz,
DWORD cbMax,
INT iCodePage)
{
PCL_INSTANCE_INFO pcii;
DWORD dwRet = 0;
WCHAR szw[256];
// BOOL fDefUsed; // LATER
EnterDDECrit;
pcii = ValidateInstance((HANDLE)LongToHandle( idInst ));
if (pcii == NULL) {
BestSetLastDDEMLError(DMLERR_INVALIDPARAMETER);
goto Exit;
}
if (ValidateHSZ(hsz) == HSZT_INVALID) {
SetLastDDEMLError(pcii, DMLERR_INVALIDPARAMETER);
goto Exit;
}
if (LATOM_FROM_HSZ(hsz) == 0) {
if (iCodePage == CP_WINUNICODE) {
if (psz != NULL) {
*(LPWSTR)psz = L'\0';
}
dwRet = sizeof(WCHAR);
goto Exit;
} else {
if (psz != NULL) {
*(LPSTR)psz = '\0';
}
dwRet = sizeof(CHAR);
goto Exit;
}
}
if (psz == NULL) {
cbMax = sizeof(szw);
psz = (PVOID)szw;
}
switch (iCodePage) {
case CP_WINANSI:
dwRet = GetAtomNameA(LATOM_FROM_HSZ(hsz), psz, cbMax);
break;
default:
dwRet = GetAtomNameW(LATOM_FROM_HSZ(hsz), (LPWSTR)psz, cbMax / sizeof(WCHAR));
if (iCodePage != CP_WINUNICODE) {
/*
* convert psz to the appropriate codepage and count the
* characters(ie BYTES for DBCS!) to alter dwRet.
*/
#ifdef LATER
// Does this routine work in place? (i.e. input and output buffer the same).
WideCharToMultiByte((UINT)iCodePage, 0, szw,
sizeof(szw) / sizeof(WCHAR),
(LPSTR)psz, cbMax, NULL, &fDefUsed);
#endif
dwRet = cbMax + 1;
}
break;
}
Exit:
LeaveDDECrit;
return (dwRet);
}
