mirror of
https://github.com/FirebirdSQL/firebird.git
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123 lines
2.7 KiB
C++
123 lines
2.7 KiB
C++
/*
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* PROGRAM: Firebird exceptions classes
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* MODULE: StatusHolder.cpp
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* DESCRIPTION: Firebird's exception classes
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*
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* The contents of this file are subject to the Initial
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* Developer's Public License Version 1.0 (the "License");
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* you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
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*
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* Software distributed under the License is distributed AS IS,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied.
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* See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Original Code was created by Vlad Khorsun
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2007 Vlad Khorsun <hvlad at users.sourceforge.net>
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* and all contributors signed below.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*
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*
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*/
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#include "firebird.h"
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#include "StatusHolder.h"
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#include "gen/iberror.h"
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#include "classes/alloc.h"
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namespace Firebird {
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ISC_STATUS StatusHolder::save(const ISC_STATUS* status)
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{
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fb_assert(m_status_vector[1] == 0 || m_raised);
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if (m_raised) {
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clear();
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}
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const ISC_STATUS *from = status;
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ISC_STATUS *to = m_status_vector;
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while (true)
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{
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const ISC_STATUS type = *to++ = *from++;
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if (type == isc_arg_end)
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break;
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switch (type) {
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case isc_arg_cstring:
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{
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const size_t len = *to++ = *from++;
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char *string = FB_NEW(*getDefaultMemoryPool()) char[len];
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const char *temp = reinterpret_cast<const char*>(*from++);
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memcpy(string, temp, len);
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*to++ = (ISC_STATUS)(IPTR) string;
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}
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break;
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case isc_arg_string:
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case isc_arg_interpreted:
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{
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const char *temp = reinterpret_cast<const char*>(*from++);
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const size_t len = strlen(temp);
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char *string = FB_NEW(*getDefaultMemoryPool()) char[len + 1];
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memcpy(string, temp, len + 1);
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*to++ = (ISC_STATUS)(IPTR) string;
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}
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break;
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default:
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*to++ = *from++;
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break;
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}
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}
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return m_status_vector[1];
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}
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void StatusHolder::clear()
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{
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ISC_STATUS *ptr = m_status_vector;
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while (true)
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{
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const ISC_STATUS type = *ptr++;
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if (type == isc_arg_end)
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break;
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switch (type) {
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case isc_arg_cstring:
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ptr++;
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delete[] reinterpret_cast<char*>(*ptr++);
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break;
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case isc_arg_string:
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case isc_arg_interpreted:
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delete[] reinterpret_cast<char*>(*ptr++);
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break;
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default:
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ptr++;
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break;
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}
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}
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memset(m_status_vector, 0, sizeof(m_status_vector));
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m_raised = false;
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}
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void StatusHolder::raise()
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{
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if (getError())
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{
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m_raised = true;
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throw status_exception(m_status_vector, true);
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}
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}
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} // namespace Firebird
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