/*********************************************************************** * 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); }