SQLRETURN
MNDBAllocHandle(SQLSMALLINT HandleType,
SQLHANDLE InputHandle,
SQLHANDLE *OutputHandlePtr)
{
switch (HandleType) {
case SQL_HANDLE_ENV:
if (InputHandle != NULL)
return SQL_INVALID_HANDLE;
return MNDBAllocEnv(OutputHandlePtr);
case SQL_HANDLE_DBC:
if (!isValidEnv((ODBCEnv *) InputHandle))
return SQL_INVALID_HANDLE;
clearEnvErrors((ODBCEnv *) InputHandle);
return MNDBAllocDbc((ODBCEnv *) InputHandle, OutputHandlePtr);
case SQL_HANDLE_STMT:
if (!isValidDbc((ODBCDbc *) InputHandle))
return SQL_INVALID_HANDLE;
clearDbcErrors((ODBCDbc *) InputHandle);
return MNDBAllocStmt((ODBCDbc *) InputHandle, OutputHandlePtr);
case SQL_HANDLE_DESC:
if (!isValidDbc((ODBCDbc *) InputHandle))
return SQL_INVALID_HANDLE;
clearDbcErrors((ODBCDbc *) InputHandle);
return MNDBAllocDesc((ODBCDbc *) InputHandle, OutputHandlePtr);
default:
/* we cannot set an error because we do not know
the handle type of the possibly non-null handle */
return SQL_INVALID_HANDLE;
}
}
SQLRETURN SQL_API
SQLGetConnectAttr(SQLHDBC ConnectionHandle,
SQLINTEGER Attribute,
SQLPOINTER ValuePtr,
SQLINTEGER BufferLength,
SQLINTEGER *StringLengthPtr)
{
#ifdef ODBCDEBUG
ODBCLOG("SQLGetConnectAttr " PTRFMT " %s " PTRFMT " %d " PTRFMT "\n",
PTRFMTCAST ConnectionHandle,
translateConnectAttribute(Attribute),
PTRFMTCAST ValuePtr, (int) BufferLength,
PTRFMTCAST StringLengthPtr);
#endif
if (!isValidDbc((ODBCDbc *) ConnectionHandle))
return SQL_INVALID_HANDLE;
clearDbcErrors((ODBCDbc *) ConnectionHandle);
return MNDBGetConnectAttr((ODBCDbc *) ConnectionHandle,
Attribute,
ValuePtr,
BufferLength,
StringLengthPtr);
}
SQLRETURN
MNDBFreeHandle(SQLSMALLINT HandleType,
SQLHANDLE Handle)
{
/* Check parameter handle */
if (Handle == NULL) {
/* can not set an error message because the handle is NULL */
return SQL_INVALID_HANDLE;
}
switch (HandleType) {
case SQL_HANDLE_ENV:
{
ODBCEnv *env = (ODBCEnv *) Handle;
/* check it's validity */
if (!isValidEnv(env))
return SQL_INVALID_HANDLE;
clearEnvErrors(env);
return ODBCFreeEnv_(env);
}
case SQL_HANDLE_DBC:
{
ODBCDbc *dbc = (ODBCDbc *) Handle;
/* check it's validity */
if (!isValidDbc(dbc))
return SQL_INVALID_HANDLE;
clearDbcErrors(dbc);
return ODBCFreeDbc_(dbc);
}
case SQL_HANDLE_STMT:
{
ODBCStmt *stmt = (ODBCStmt *) Handle;
/* check it's validity */
if (!isValidStmt(stmt))
return SQL_INVALID_HANDLE;
clearStmtErrors(stmt);
return ODBCFreeStmt_(stmt);
}
case SQL_HANDLE_DESC:
{
ODBCDesc *desc = (ODBCDesc *) Handle;
/* check it's validity */
if (!isValidDesc(desc))
return SQL_INVALID_HANDLE;
clearDescErrors(desc);
return ODBCFreeDesc_(desc);
}
default:
return SQL_INVALID_HANDLE;
}
/* not reached */
}
SQLRETURN SQL_API
SQLSetConnectAttrW(SQLHDBC ConnectionHandle,
SQLINTEGER Attribute,
SQLPOINTER ValuePtr,
SQLINTEGER StringLength)
{
ODBCDbc *dbc = (ODBCDbc *) ConnectionHandle;
SQLPOINTER ptr;
SQLINTEGER n;
SQLRETURN rc;
#ifdef ODBCDEBUG
ODBCLOG("SQLSetConnectAttrW " PTRFMT " %s " PTRFMT " %d\n",
PTRFMTCAST ConnectionHandle,
translateConnectAttribute(Attribute),
PTRFMTCAST ValuePtr, (int) StringLength);
#endif
if (!isValidDbc(dbc))
return SQL_INVALID_HANDLE;
clearDbcErrors(dbc);
switch (Attribute) {
case SQL_ATTR_CURRENT_CATALOG:
case SQL_ATTR_TRACEFILE:
case SQL_ATTR_TRANSLATE_LIB:
if (StringLength > 0) /* convert from bytes to characters */
StringLength /= 2;
fixWcharIn(ValuePtr, StringLength, SQLCHAR, ptr,
addDbcError, dbc, return SQL_ERROR);
n = SQL_NTS;
break;
default:
ptr = ValuePtr;
n = StringLength;
break;
}
rc = MNDBSetConnectAttr(dbc, Attribute, ptr, n);
if (ptr && ptr != ValuePtr)
free(ptr);
return rc;
}
SQLRETURN SQL_API
SQLSetConnectOption(SQLHDBC ConnectionHandle,
SQLUSMALLINT Option,
SQLULEN ValuePtr)
{
ODBCDbc *dbc = (ODBCDbc *) ConnectionHandle;
#ifdef ODBCDEBUG
ODBCLOG("SQLSetConnectOption " PTRFMT " %s " ULENFMT "\n",
PTRFMTCAST ConnectionHandle, translateConnectOption(Option),
ULENCAST ValuePtr);
#endif
if (!isValidDbc(dbc))
return SQL_INVALID_HANDLE;
clearDbcErrors(dbc);
return MNDBSetConnectOption(dbc, Option, ValuePtr);
}
SQLRETURN SQL_API
SQLSetConnectOptionW(SQLHDBC ConnectionHandle,
SQLUSMALLINT Option,
SQLULEN ValuePtr)
{
ODBCDbc *dbc = (ODBCDbc *) ConnectionHandle;
SQLPOINTER ptr = (SQLPOINTER) (uintptr_t) ValuePtr;
SQLULEN p;
SQLRETURN rc;
#ifdef ODBCDEBUG
ODBCLOG("SQLSetConnectOptionW " PTRFMT " %s " ULENFMT "\n",
PTRFMTCAST ConnectionHandle, translateConnectOption(Option),
ULENCAST ValuePtr);
#endif
if (!isValidDbc(dbc))
return SQL_INVALID_HANDLE;
clearDbcErrors(dbc);
switch (Option) {
case SQL_ATTR_CURRENT_CATALOG:
case SQL_ATTR_TRACEFILE:
case SQL_ATTR_TRANSLATE_LIB:
fixWcharIn((SQLPOINTER) (uintptr_t) ValuePtr, SQL_NTS, SQLCHAR,
ptr, addDbcError, dbc, return SQL_ERROR);
p = (SQLULEN) (uintptr_t) ptr;
break;
default:
p = ValuePtr;
break;
}
rc = MNDBSetConnectOption(dbc, Option, p);
if (ptr &&p != ValuePtr)
free(ptr);
return rc;
}
SQLRETURN SQL_API
SQLBrowseConnect(SQLHDBC ConnectionHandle,
SQLCHAR *InConnectionString,
SQLSMALLINT StringLength1,
SQLCHAR *OutConnectionString,
SQLSMALLINT BufferLength,
SQLSMALLINT *StringLength2Ptr)
{
ODBCDbc *dbc = (ODBCDbc *) ConnectionHandle;
#ifdef ODBCDEBUG
ODBCLOG("SQLBrowseConnect " PTRFMT, PTRFMTCAST ConnectionHandle);
#endif
if (!isValidDbc(dbc))
return SQL_INVALID_HANDLE;
clearDbcErrors(dbc);
return MNDBBrowseConnect(dbc, InConnectionString, StringLength1, OutConnectionString, BufferLength, StringLength2Ptr);
}
SQLRETURN SQL_API
SQLBrowseConnectW(SQLHDBC ConnectionHandle,
SQLWCHAR *InConnectionString,
SQLSMALLINT StringLength1,
SQLWCHAR *OutConnectionString,
SQLSMALLINT BufferLength,
SQLSMALLINT *StringLength2Ptr)
{
ODBCDbc *dbc = (ODBCDbc *) ConnectionHandle;
SQLCHAR *in = NULL, *out;
SQLSMALLINT n;
SQLRETURN rc;
#ifdef ODBCDEBUG
ODBCLOG("SQLBrowseConnectW " PTRFMT, PTRFMTCAST ConnectionHandle);
#endif
if (!isValidDbc(dbc))
return SQL_INVALID_HANDLE;
clearDbcErrors(dbc);
fixWcharIn(InConnectionString, StringLength1, SQLCHAR, in,
addDbcError, dbc, return SQL_ERROR);
out = malloc(1024);
if (out == NULL) {
/* Memory allocation error */
addDbcError(dbc, "HY001", NULL, 0);
return SQL_ERROR;
}
rc = MNDBBrowseConnect(dbc, in, SQL_NTS, out, 1024, &n);
if (SQL_SUCCEEDED(rc) || rc == SQL_NEED_DATA) {
fixWcharOut(rc, out, n, OutConnectionString, BufferLength,
StringLength2Ptr, 1, addDbcError, dbc);
}
free(out);
if (in)
free(in);
return rc;
}
SQLRETURN SQL_API
SQLSetConnectAttr(SQLHDBC ConnectionHandle,
SQLINTEGER Attribute,
SQLPOINTER ValuePtr,
SQLINTEGER StringLength)
{
#ifdef ODBCDEBUG
ODBCLOG("SQLSetConnectAttr %p %s %p %d\n",
ConnectionHandle,
translateConnectAttribute(Attribute),
ValuePtr, (int) StringLength);
#endif
if (!isValidDbc((ODBCDbc *) ConnectionHandle))
return SQL_INVALID_HANDLE;
clearDbcErrors((ODBCDbc *) ConnectionHandle);
return MNDBSetConnectAttr((ODBCDbc *) ConnectionHandle,
Attribute,
ValuePtr,
StringLength);
}
SQLRETURN SQL_API
SQLDisconnect(SQLHDBC ConnectionHandle)
{
ODBCDbc *dbc = (ODBCDbc *) ConnectionHandle;
#ifdef ODBCDEBUG
ODBCLOG("SQLDisconnect " PTRFMT "\n", PTRFMTCAST ConnectionHandle);
#endif
if (!isValidDbc(dbc))
return SQL_INVALID_HANDLE;
clearDbcErrors(dbc);
/* check connection state, should be connected */
if (!dbc->Connected) {
/* Connection does not exist */
addDbcError(dbc, "08003", NULL, 0);
return SQL_ERROR;
}
while (dbc->FirstStmt != NULL)
if (ODBCFreeStmt_(dbc->FirstStmt) == SQL_ERROR)
return SQL_ERROR;
/* client waves goodbye */
mapi_disconnect(dbc->mid);
mapi_destroy(dbc->mid);
dbc->mid = NULL;
dbc->cachelimit = 0;
dbc->Mdebug = 0;
dbc->Connected = 0;
return SQL_SUCCESS;
}
SQLRETURN SQL_API
SQLGetFunctions(SQLHDBC ConnectionHandle,
SQLUSMALLINT FunctionId,
SQLUSMALLINT *SupportedPtr)
{
ODBCDbc *dbc = (ODBCDbc *) ConnectionHandle;
#ifdef ODBCDEBUG
ODBCLOG("SQLGetFunctions " PTRFMT " %s\n",
PTRFMTCAST ConnectionHandle, translateFunctionId(FunctionId));
#endif
if (!isValidDbc(dbc))
return SQL_INVALID_HANDLE;
clearDbcErrors(dbc);
if (!SQL_FUNC_EXISTS(FuncExistMap, FuncImplemented[0])) {
/* not yet initialized, so do it now */
UWORD *p;
for (p = FuncImplemented; p < &FuncImplemented[NFUNCIMPLEMENTED]; p++)
FuncExistMap[*p >> 4] |= 1 << (*p & 0xF);
}
SQLRETURN SQL_API
SQLGetConnectAttrW(SQLHDBC ConnectionHandle,
SQLINTEGER Attribute,
SQLPOINTER ValuePtr,
SQLINTEGER BufferLength,
SQLINTEGER *StringLengthPtr)
{
ODBCDbc *dbc = (ODBCDbc *) ConnectionHandle;
SQLRETURN rc;
SQLPOINTER ptr;
SQLINTEGER n;
#ifdef ODBCDEBUG
ODBCLOG("SQLGetConnectAttrW " PTRFMT " %s " PTRFMT " %d " PTRFMT "\n",
PTRFMTCAST ConnectionHandle,
translateConnectAttribute(Attribute),
PTRFMTCAST ValuePtr, (int) BufferLength,
PTRFMTCAST StringLengthPtr);
#endif
if (!isValidDbc(dbc))
return SQL_INVALID_HANDLE;
clearDbcErrors(dbc);
switch (Attribute) {
/* all string attributes */
case SQL_ATTR_CURRENT_CATALOG:
ptr = malloc(BufferLength);
if (ptr == NULL) {
/* Memory allocation error */
addDbcError(dbc, "HY001", NULL, 0);
return SQL_ERROR;
}
break;
default:
ptr = ValuePtr;
break;
}
rc = MNDBGetConnectAttr(dbc, Attribute, ptr, BufferLength, &n);
if (ptr != ValuePtr) {
if (rc == SQL_SUCCESS_WITH_INFO) {
clearDbcErrors(dbc);
free(ptr);
ptr = malloc(++n); /* add one for NULL byte */
if (ptr == NULL) {
/* Memory allocation error */
addDbcError(dbc, "HY001", NULL, 0);
return SQL_ERROR;
}
rc = MNDBGetConnectAttr(dbc, Attribute, ptr, n, &n);
}
if (SQL_SUCCEEDED(rc)) {
SQLSMALLINT nn = (SQLSMALLINT) n;
fixWcharOut(rc, ptr, nn, ValuePtr, BufferLength,
StringLengthPtr, 2, addDbcError, dbc);
}
free(ptr);
} else if (StringLengthPtr)
*StringLengthPtr = n;
return rc;
}
SQLRETURN
MNDBEndTran(SQLSMALLINT HandleType,
SQLHANDLE Handle,
SQLSMALLINT CompletionType)
{
ODBCEnv *env = NULL;
ODBCDbc *dbc = NULL;
SQLHANDLE StatementHandle;
RETCODE rc;
/* check parameters HandleType and Handle for validity */
switch (HandleType) {
case SQL_HANDLE_DBC:
dbc = (ODBCDbc *) Handle;
if (!isValidDbc(dbc))
return SQL_INVALID_HANDLE;
clearDbcErrors(dbc);
if (!dbc->Connected) {
/* Connection does not exist */
addDbcError(dbc, "08003", NULL, 0);
return SQL_ERROR;
}
break;
case SQL_HANDLE_ENV:
env = (ODBCEnv *) Handle;
if (!isValidEnv(env))
return SQL_INVALID_HANDLE;
clearEnvErrors(env);
if (env->sql_attr_odbc_version == 0) {
/* Function sequence error */
addEnvError(env, "HY010", NULL, 0);
return SQL_ERROR;
}
break;
case SQL_HANDLE_STMT:
if (isValidStmt((ODBCStmt *) Handle)) {
clearStmtErrors((ODBCStmt *) Handle);
/* Invalid attribute/option identifier */
addStmtError((ODBCStmt *) Handle, "HY092", NULL, 0);
return SQL_ERROR;
}
return SQL_INVALID_HANDLE;
case SQL_HANDLE_DESC:
if (isValidDesc((ODBCDesc *) Handle)) {
clearDescErrors((ODBCDesc *) Handle);
/* Invalid attribute/option identifier */
addDescError((ODBCDesc *) Handle, "HY092", NULL, 0);
return SQL_ERROR;
}
return SQL_INVALID_HANDLE;
default:
return SQL_INVALID_HANDLE;
}
/* check parameter CompletionType */
if (CompletionType != SQL_COMMIT && CompletionType != SQL_ROLLBACK) {
/* Invalid transaction operation code */
if (HandleType == SQL_HANDLE_DBC)
addDbcError(dbc, "HY012", NULL, 0);
else
addEnvError(env, "HY012", NULL, 0);
return SQL_ERROR;
}
if (HandleType == SQL_HANDLE_ENV) {
RETCODE rc1 = SQL_SUCCESS;
for (dbc = env->FirstDbc; dbc; dbc = dbc->next) {
assert(isValidDbc(dbc));
if (!dbc->Connected)
continue;
rc = MNDBEndTran(SQL_HANDLE_DBC, dbc, CompletionType);
if (rc == SQL_ERROR)
rc1 = SQL_ERROR;
else if (rc == SQL_SUCCESS_WITH_INFO &&
rc1 != SQL_ERROR)
rc1 = rc;
}
return rc1;
}
assert(HandleType == SQL_HANDLE_DBC);
if (dbc->sql_attr_autocommit == SQL_AUTOCOMMIT_ON) {
/* nothing to do if in autocommit mode */
return SQL_SUCCESS;
}
/* construct a statement object and excute a SQL COMMIT or ROLLBACK */
rc = MNDBAllocStmt(dbc, &StatementHandle);
if (SQL_SUCCEEDED(rc)) {
ODBCStmt *stmt = (ODBCStmt *) StatementHandle;
rc = MNDBExecDirect(stmt,
CompletionType == SQL_COMMIT ? (SQLCHAR *) "commit" : (SQLCHAR *) "rollback",
SQL_NTS);
if (rc == SQL_ERROR || rc == SQL_SUCCESS_WITH_INFO) {
/* get the error/warning and post in on the
* dbc handle */
SQLCHAR sqlState[SQL_SQLSTATE_SIZE + 1];
SQLINTEGER nativeErrCode;
SQLCHAR msgText[SQL_MAX_MESSAGE_LENGTH + 1];
(void) MNDBGetDiagRec(SQL_HANDLE_STMT, stmt, 1,
sqlState, &nativeErrCode,
msgText, sizeof(msgText), NULL);
addDbcError(dbc, (char *) sqlState,
(char *) msgText + ODBCErrorMsgPrefixLength,
nativeErrCode);
}
/* clean up the statement handle */
ODBCResetStmt(stmt);
ODBCFreeStmt_(stmt);
for (stmt = dbc->FirstStmt; stmt; stmt = stmt->next)
ODBCResetStmt(stmt);
} else {
/* could not allocate a statement object */
/* Memory management error */
addDbcError(dbc, "HY013", NULL, 0);
return SQL_ERROR;
}
return rc;
}
