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odbccp32: Implement SQLGetInstalledDrivers.

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Bill Medland 2007-01-11 09:29:44 -08:00 committed by Alexandre Julliard
parent 7942f5a0e4
commit d99f9ab71a
1 changed files with 75 additions and 10 deletions
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85
dlls/odbccp32/odbccp32.c
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@ -43,7 +43,10 @@ WINE_DEFAULT_DEBUG_CHANNEL(odbc);
static int num_errors;
static int error_code[8];
static const WCHAR *error_msg[8];
static const WCHAR odbc_error_general_err[] = {'G','e','n','e','r','a','l',' ','e','r','r','o','r',0};
static const WCHAR odbc_error_invalid_buff_len[] = {'I','n','v','a','l','i','d',' ','b','u','f','f','e','r',' ','l','e','n','g','t','h',0};
static const WCHAR odbc_error_component_not_found[] = {'C','o','m','p','o','n','e','n','t',' ','n','o','t',' ','f','o','u','n','d',0};
static const WCHAR odbc_error_out_of_mem[] = {'O','u','t',' ','o','f',' ','m','e','m','o','r','y',0};
/* Push an error onto the error stack, taking care of ranges etc. */
static void push_error(int code, LPCWSTR msg)
@ -263,31 +266,93 @@ BOOL WINAPI SQLGetConfigMode(UWORD *pwConfigMode)
return FALSE;
}
/* This is implemented sensibly rather than according to exact conformance to Microsoft's buggy implementations
* e.g. The Microsoft one occasionally actually adds a third nul character (possibly beyond the buffer).
* e.g. If the key has no drivers then version 3.525.1117.0 does not modify the buffer at all, not even a nul character.
*/
BOOL WINAPI SQLGetInstalledDriversW(LPWSTR lpszBuf, WORD cbBufMax,
WORD *pcbBufOut)
{
HKEY hDrivers; /* Registry handle to the Drivers key */
LONG reg_ret; /* Return code from registry functions */
BOOL success = FALSE; /* The value we will return */
clear_errors();
FIXME("\n");
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
/* Just enough for testing the SQLInstallerError. The meat will be in the next patch. */
if (!lpszBuf || cbBufMax == 0)
{
push_error(ODBC_ERROR_INVALID_BUFF_LEN, odbc_error_invalid_buff_len);
}
return FALSE;
else if ((reg_ret = RegOpenKeyExA (HKEY_LOCAL_MACHINE /* The drivers does not depend on the config mode */,
"Software\\ODBC\\ODBCINST.INI\\ODBC Drivers", 0, KEY_READ /* Maybe overkill */,
&hDrivers)) == ERROR_SUCCESS)
{
DWORD index = 0;
cbBufMax--;
success = TRUE;
while (cbBufMax > 0)
{
DWORD size_name;
size_name = cbBufMax;
if ((reg_ret = RegEnumValueW(hDrivers, index, lpszBuf, &size_name, NULL, NULL, NULL, NULL)) == ERROR_SUCCESS)
{
index++;
assert (size_name < cbBufMax && *(lpszBuf + size_name) == 0);
size_name++;
cbBufMax-= size_name;
lpszBuf+=size_name;
}
else
{
if (reg_ret != ERROR_NO_MORE_ITEMS)
{
success = FALSE;
push_error(ODBC_ERROR_GENERAL_ERR, odbc_error_general_err);
}
break;
}
}
*lpszBuf = 0;
if ((reg_ret = RegCloseKey (hDrivers)) != ERROR_SUCCESS)
TRACE ("Error %d closing ODBC Drivers key\n", reg_ret);
}
else
{
/* MSDN states that it returns failure with COMPONENT_NOT_FOUND in this case.
* Version 3.525.1117.0 (Windows 2000) does not; it actually returns success.
* I doubt if it will actually be an issue.
*/
push_error(ODBC_ERROR_COMPONENT_NOT_FOUND, odbc_error_component_not_found);
}
return success;
}
BOOL WINAPI SQLGetInstalledDrivers(LPSTR lpszBuf, WORD cbBufMax,
WORD *pcbBufOut)
{
FIXME("\n");
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
/* Just enough for testing the SQLInstallerError. The meat will be in the next patch. */
if (!lpszBuf || cbBufMax == 0)
BOOL ret;
int size_wbuf = cbBufMax;
LPWSTR wbuf;
WORD size_used;
wbuf = HeapAlloc(GetProcessHeap(), 0, size_wbuf*sizeof(WCHAR));
if (wbuf)
{
push_error(ODBC_ERROR_INVALID_BUFF_LEN, odbc_error_invalid_buff_len);
ret = SQLGetInstalledDriversW(wbuf, size_wbuf, &size_used);
if (ret)
{
if (!(ret = SQLInstall_narrow(2, lpszBuf, wbuf, size_used, cbBufMax, pcbBufOut)))
{
push_error(ODBC_ERROR_GENERAL_ERR, odbc_error_general_err);
}
return FALSE;
}
HeapFree(GetProcessHeap(), 0, wbuf);
/* ignore failure; we have achieved the aim */
}
else
{
push_error(ODBC_ERROR_OUT_OF_MEM, odbc_error_out_of_mem);
ret = FALSE;
}
return ret;
}
int WINAPI SQLGetPrivateProfileStringW(LPCWSTR lpszSection, LPCWSTR lpszEntry,