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mirror of https://github.com/FirebirdSQL/firebird.git synced 2025-01-27 05:23:02 +01:00
firebird-mirror/src/yvalve/utl.cpp

3166 lines
69 KiB
C++

/*
* PROGRAM: JRD Access Method
* MODULE: utl.cpp
* DESCRIPTION: User callable routines
*
* The contents of this file are subject to the Interbase Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy
* of the License at http://www.Inprise.com/IPL.html
*
* Software distributed under the License is distributed on an
* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
* or implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code was created by Inprise Corporation
* and its predecessors. Portions created by Inprise Corporation are
* Copyright (C) Inprise Corporation.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
*
* 2001.06.14 Claudio Valderrama: isc_set_path() will append slash if missing,
* so ISC_PATH environment variable won't fail for this cause.
* 2002.02.15 Sean Leyne - Code Cleanup is required of obsolete "EPSON", "XENIX" ports
* 2002.02.15 Sean Leyne - Code Cleanup, removed obsolete "Apollo" port
* 23-Feb-2002 Dmitry Yemanov - Events wildcarding
*
* 2002.10.27 Sean Leyne - Completed removal of obsolete "DG_X86" port
* 2002.10.27 Sean Leyne - Code Cleanup, removed obsolete "UNIXWARE" port
* 2002.10.27 Sean Leyne - Code Cleanup, removed obsolete "Ultrix" port
* 2002.10.27 Sean Leyne - Code Cleanup, removed obsolete "Ultrix/MIPS" port
*
* 2002.10.28 Sean Leyne - Code cleanup, removed obsolete "MPEXL" port
*
* 2002.10.29 Sean Leyne - Removed obsolete "Netware" port
*
* 2002.10.30 Sean Leyne - Removed support for obsolete "PC_PLATFORM" define
*
*/
#include "firebird.h"
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../jrd/license.h"
#include <stdarg.h>
#include "../common/gdsassert.h"
#include "../jrd/ibase.h"
#include "../yvalve/msg.h"
#include "../jrd/event.h"
#include "../yvalve/gds_proto.h"
#include "../yvalve/utl_proto.h"
#include "../yvalve/YObjects.h"
#include "../yvalve/why_proto.h"
#include "../yvalve/prepa_proto.h"
#include "../jrd/constants.h"
#include "../jrd/build_no.h"
#include "../common/classes/ClumpletWriter.h"
#include "../common/utils_proto.h"
#include "../common/classes/MetaName.h"
#include "../common/classes/TempFile.h"
#include "../common/classes/DbImplementation.h"
#include "../common/ThreadStart.h"
#include "../common/isc_f_proto.h"
#include "../common/StatusHolder.h"
#include "../common/classes/ImplementHelper.h"
#include "../common/classes/fb_tls.h"
#include "../common/os/os_utils.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#if defined(WIN_NT)
#include <io.h> // mktemp, unlink ..
#include <process.h>
#endif
#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
using namespace Firebird;
IAttachment* handleToIAttachment(CheckStatusWrapper*, FB_API_HANDLE*);
ITransaction* handleToITransaction(CheckStatusWrapper*, FB_API_HANDLE*);
// Bug 7119 - BLOB_load will open external file for read in BINARY mode.
#ifdef WIN_NT
static const char* const FOPEN_READ_TYPE = "rb";
static const char* const FOPEN_WRITE_TYPE = "wb";
static const char* const FOPEN_READ_TYPE_TEXT = "rt";
static const char* const FOPEN_WRITE_TYPE_TEXT = "wt";
#else
static const char* const FOPEN_READ_TYPE = "r";
static const char* const FOPEN_WRITE_TYPE = "w";
static const char* const FOPEN_READ_TYPE_TEXT = FOPEN_READ_TYPE;
static const char* const FOPEN_WRITE_TYPE_TEXT = FOPEN_WRITE_TYPE;
#endif
#define LOWER7(c) ( (c >= 'A' && c<= 'Z') ? c + 'a' - 'A': c )
// Blob stream stuff
const int BSTR_input = 0;
const int BSTR_output = 1;
const int BSTR_alloc = 2;
static void get_ods_version(CheckStatusWrapper*, IAttachment*, USHORT*, USHORT*);
static void isc_expand_dpb_internal(const UCHAR** dpb, SSHORT* dpb_size, ...);
// Blob info stuff
static const char blob_items[] =
{
isc_info_blob_max_segment, isc_info_blob_num_segments,
isc_info_blob_total_length
};
// gds__version stuff
static const unsigned char info[] =
{ isc_info_firebird_version, isc_info_implementation, fb_info_implementation, isc_info_end };
static const unsigned char ods_info[] =
{ isc_info_ods_version, isc_info_ods_minor_version, isc_info_end };
static const TEXT* const impl_class[] =
{
NULL, // 0
"access method", // 1
"Y-valve", // 2
"remote interface", // 3
"remote server", // 4
NULL, // 5
NULL, // 6
"pipe interface", // 7
"pipe server", // 8
"central interface", // 9
"central server", // 10
"gateway", // 11
"classic server", // 12
"super server" // 13
};
namespace {
class VersionCallback : public AutoIface<IVersionCallbackImpl<VersionCallback, CheckStatusWrapper> >
{
public:
VersionCallback(FPTR_VERSION_CALLBACK routine, void* user)
: func(routine), arg(user)
{ }
// IVersionCallback implementation
void callback(CheckStatusWrapper*, const char* text)
{
func(arg, text);
}
private:
FPTR_VERSION_CALLBACK func;
void* arg;
};
void load(CheckStatusWrapper* status, ISC_QUAD* blobId, IAttachment* att, ITransaction* tra, FILE* file)
{
/**************************************
*
* l o a d
*
**************************************
*
* Functional description
* Load a blob from a file.
*
**************************************/
LocalStatus ls;
CheckStatusWrapper temp(&ls);
// Open the blob. If it failed, what the hell -- just return failure
IBlob* blob = att->createBlob(status, tra, blobId, 0, NULL);
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
return;
// Copy data from file to blob. Make up boundaries at end of line.
TEXT buffer[512];
TEXT* p = buffer;
const TEXT* const buffer_end = buffer + sizeof(buffer);
for (;;)
{
const SSHORT c = fgetc(file);
if (feof(file))
break;
*p++ = static_cast<TEXT>(c);
if (c != '\n' && p < buffer_end)
continue;
const SSHORT l = p - buffer;
blob->putSegment(status, l, buffer);
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
{
blob->close(&temp);
return;
}
p = buffer;
}
const SSHORT l = p - buffer;
if (l != 0)
blob->putSegment(status, l, buffer);
blob->close(&temp);
return;
}
void dump(CheckStatusWrapper* status, ISC_QUAD* blobId, IAttachment* att, ITransaction* tra, FILE* file)
{
/**************************************
*
* d u m p
*
**************************************
*
* Functional description
* Dump a blob into a file.
*
**************************************/
// Open the blob. If it failed, what the hell -- just return failure
IBlob* blob = att->openBlob(status, tra, blobId, 0, NULL);
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
return;
// Copy data from blob to scratch file
SCHAR buffer[256];
const SSHORT short_length = sizeof(buffer);
for (;;)
{
unsigned l = 0;
switch (blob->getSegment(status, short_length, buffer, &l))
{
case Firebird::IStatus::RESULT_ERROR:
case Firebird::IStatus::RESULT_NO_DATA:
break;
}
if (l)
FB_UNUSED(fwrite(buffer, 1, l, file));
}
// Close the blob
LocalStatus ls;
CheckStatusWrapper temp(&ls);
blob->close(&temp);
}
FB_BOOLEAN edit(CheckStatusWrapper* status, ISC_QUAD* blob_id, IAttachment* att, ITransaction* tra,
int type, const char* field_name)
{
/**************************************
*
* e d i t
*
**************************************
*
* Functional description
* Open a blob, dump it to a file, allow the user to edit the
* window, and dump the data back into a blob. If the user
* bails out, return FALSE, otherwise return TRUE.
*
* If the field name coming in is too big, truncate it.
*
**************************************/
#if (defined WIN_NT)
TEXT buffer[9];
#else
TEXT buffer[25];
#endif
const TEXT* q = field_name;
if (!q)
q = "gds_edit";
TEXT* p;
for (p = buffer; *q && p < buffer + sizeof(buffer) - 1; q++)
{
if (*q == '$')
*p++ = '_';
else
*p++ = LOWER7(*q);
}
*p = 0;
// Moved this out of #ifndef mpexl to get mktemp/mkstemp to work for Linux
// This has been done in the inprise tree some days ago.
// Would have saved me a lot of time, if I had seen this earlier :-(
// FSG 15.Oct.2000
PathName tmpf = TempFile::create(status, buffer);
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
return FB_FALSE;
FILE* file = os_utils::fopen(tmpf.c_str(), FOPEN_WRITE_TYPE_TEXT);
if (!file)
{
unlink(tmpf.c_str());
system_error::raise("fopen");
}
dump(status, blob_id, att, tra, file);
if (status->getState() & IStatus::STATE_ERRORS)
{
isc_print_status(status->getErrors());
fclose(file);
unlink(tmpf.c_str());
return FB_FALSE;
}
fclose(file);
if (gds__edit(tmpf.c_str(), type))
{
if (!(file = os_utils::fopen(tmpf.c_str(), FOPEN_READ_TYPE_TEXT)))
{
unlink(tmpf.c_str());
system_error::raise("fopen");
}
load(status, blob_id, att, tra, file);
fclose(file);
return status->getState() & IStatus::STATE_ERRORS ? FB_FALSE : FB_TRUE;
}
unlink(tmpf.c_str());
return FB_FALSE;
}
} // anonymous namespace
namespace Why {
UtilInterface utilInterface;
void UtilInterface::dumpBlob(CheckStatusWrapper* status, ISC_QUAD* blobId,
IAttachment* att, ITransaction* tra, const char* file_name, FB_BOOLEAN txt)
{
FILE* file = os_utils::fopen(file_name, txt ? FOPEN_WRITE_TYPE_TEXT : FOPEN_WRITE_TYPE);
try
{
if (!file)
system_error::raise("fopen");
if (!att)
Arg::Gds(isc_bad_db_handle).raise();
dump(status, blobId, att, tra, file);
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
if (file)
fclose(file);
}
void UtilInterface::loadBlob(CheckStatusWrapper* status, ISC_QUAD* blobId,
IAttachment* att, ITransaction* tra, const char* file_name, FB_BOOLEAN txt)
{
/**************************************
*
* l o a d B l o b
*
**************************************
*
* Functional description
* Load a blob with the contents of a file.
*
**************************************/
FILE* file = os_utils::fopen(file_name, txt ? FOPEN_READ_TYPE_TEXT : FOPEN_READ_TYPE);
try
{
if (!file)
system_error::raise("fopen");
if (!att)
Arg::Gds(isc_bad_db_handle).raise();
load(status, blobId, att, tra, file);
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
if (file)
fclose(file);
}
void UtilInterface::getFbVersion(CheckStatusWrapper* status, IAttachment* att,
IVersionCallback* callback)
{
/**************************************
*
* g d s _ $ v e r s i o n
*
**************************************
*
* Functional description
* Obtain and print information about a database.
*
**************************************/
try
{
if (!att)
Arg::Gds(isc_bad_db_handle).raise();
UCharBuffer buffer;
USHORT buf_len = 256;
UCHAR* buf = buffer.getBuffer(buf_len);
const TEXT* versions = 0;
const TEXT* implementations = 0;
const UCHAR* dbis = NULL;
bool redo;
do
{
att->getInfo(status, sizeof(info), info, buf_len, buf);
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
return;
const UCHAR* p = buf;
redo = false;
while (!redo && *p != isc_info_end && p < buf + buf_len)
{
const UCHAR item = *p++;
const USHORT len = static_cast<USHORT>(gds__vax_integer(p, 2));
p += 2;
switch (item)
{
case isc_info_firebird_version:
versions = (TEXT*) p;
break;
case isc_info_implementation:
implementations = (TEXT*) p;
break;
case fb_info_implementation:
dbis = p;
if (dbis[0] * 6 + 1 > len)
{
// fb_info_implementation value appears incorrect
dbis = NULL;
}
break;
case isc_info_error:
// old server does not understand fb_info_implementation
break;
case isc_info_truncated:
redo = true;
break;
default:
(Arg::Gds(isc_random) << "Invalid info item").raise();
}
p += len;
}
// Our buffer wasn't large enough to hold all the information,
// make a larger one and try again.
if (redo)
{
buf_len += 1024;
buf = buffer.getBuffer(buf_len);
}
} while (redo);
UCHAR count = MIN(*versions, *implementations);
++versions;
++implementations;
UCHAR diCount = 0;
if (dbis)
diCount = *dbis++;
string s;
UCHAR diCurrent = 0;
for (UCHAR level = 0; level < count; ++level)
{
const USHORT implementation_nr = *implementations++;
const USHORT impl_class_nr = *implementations++;
const int l = *versions++; // it was UCHAR
const TEXT* implementation_string;
string dbi_string;
if (dbis && dbis[diCurrent * 6 + 5] == level)
{
dbi_string = DbImplementation::pick(&dbis[diCurrent * 6]).implementation();
implementation_string = dbi_string.c_str();
if (++diCurrent >= diCount)
dbis = NULL;
}
else
{
dbi_string = DbImplementation::fromBackwardCompatibleByte(implementation_nr).implementation();
implementation_string = dbi_string.nullStr();
if (!implementation_string)
implementation_string = "**unknown**";
}
const TEXT* class_string;
if (impl_class_nr >= FB_NELEM(impl_class) || !(class_string = impl_class[impl_class_nr]))
class_string = "**unknown**";
s.printf("%s (%s), version \"%.*s\"", implementation_string, class_string, l, versions);
callback->callback(status, s.c_str());
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
return;
versions += l;
}
USHORT ods_version, ods_minor_version;
get_ods_version(status, att, &ods_version, &ods_minor_version);
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
return;
s.printf("on disk structure version %d.%d", ods_version, ods_minor_version);
callback->callback(status, s.c_str());
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
}
YAttachment* UtilInterface::executeCreateDatabase(
Firebird::CheckStatusWrapper* status, unsigned stmtLength, const char* creatDBstatement,
unsigned dialect, FB_BOOLEAN* stmtIsCreateDb)
{
try
{
bool stmtEaten;
YAttachment* att = NULL;
if (stmtIsCreateDb)
*stmtIsCreateDb = FB_FALSE;
if (!PREPARSE_execute(status, &att, stmtLength, creatDBstatement, &stmtEaten, dialect))
return NULL;
if (stmtIsCreateDb)
*stmtIsCreateDb = FB_TRUE;
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
return NULL;
LocalStatus tempStatus;
CheckStatusWrapper tempCheckStatusWrapper(&tempStatus);
ITransaction* crdbTrans = att->startTransaction(status, 0, NULL);
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
{
att->dropDatabase(&tempCheckStatusWrapper);
return NULL;
}
bool v3Error = false;
if (!stmtEaten)
{
att->execute(status, crdbTrans, stmtLength, creatDBstatement, dialect, NULL, NULL, NULL, NULL);
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
{
crdbTrans->rollback(&tempCheckStatusWrapper);
att->dropDatabase(&tempCheckStatusWrapper);
return NULL;
}
}
crdbTrans->commit(status);
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
{
crdbTrans->rollback(&tempCheckStatusWrapper);
att->dropDatabase(&tempCheckStatusWrapper);
return NULL;
}
return att;
}
catch (const Exception& ex)
{
ex.stuffException(status);
return NULL;
}
}
void UtilInterface::decodeDate(ISC_DATE date, unsigned* year, unsigned* month, unsigned* day)
{
tm times;
isc_decode_sql_date(&date, &times);
if (year)
*year = times.tm_year + 1900;
if (month)
*month = times.tm_mon + 1;
if (day)
*day = times.tm_mday;
}
void UtilInterface::decodeTime(ISC_TIME time,
unsigned* hours, unsigned* minutes, unsigned* seconds, unsigned* fractions)
{
tm times;
isc_decode_sql_time(&time, &times);
if (hours)
*hours = times.tm_hour;
if (minutes)
*minutes = times.tm_min;
if (seconds)
*seconds = times.tm_sec;
if (fractions)
*fractions = time % ISC_TIME_SECONDS_PRECISION;
}
ISC_DATE UtilInterface::encodeDate(unsigned year, unsigned month, unsigned day)
{
tm times;
times.tm_year = year - 1900;
times.tm_mon = month - 1;
times.tm_mday = day;
ISC_DATE date;
isc_encode_sql_date(&times, &date);
return date;
}
ISC_TIME UtilInterface::encodeTime(unsigned hours, unsigned minutes, unsigned seconds,
unsigned fractions)
{
tm times;
times.tm_hour = hours;
times.tm_min = minutes;
times.tm_sec = seconds;
ISC_TIME time;
isc_encode_sql_time(&times, &time);
time += fractions;
return time;
}
unsigned UtilInterface::formatStatus(char* buffer, unsigned bufferSize, IStatus* status)
{
unsigned state = status->getState();
unsigned states[] = {IStatus::STATE_ERRORS, IStatus::STATE_WARNINGS};
const ISC_STATUS* vectors[] = {status->getErrors(), status->getWarnings()};
string s;
for (int i = 0; i < 2; ++i)
{
if (state & states[i])
{
const ISC_STATUS* vector = vectors[i];
SLONG n;
while ((n = fb_interpret(buffer, bufferSize, &vector)) != 0)
{
if (!s.empty())
s += "\n-";
s += string(buffer, n);
}
}
}
unsigned ret = MIN((unsigned) s.length(), bufferSize);
memcpy(buffer, s.c_str(), ret);
if (ret < bufferSize)
buffer[ret] = 0;
return ret;
}
unsigned UtilInterface::getClientVersion()
{
int fv[] = { FILE_VER_NUMBER };
return fv[0] * 0x100 + fv[1];
}
// End-user proxy for ClumpletReader & Writer
class XpbBuilder FB_FINAL : public DisposeIface<IXpbBuilderImpl<XpbBuilder, CheckStatusWrapper> >
{
public:
XpbBuilder(unsigned kind, const unsigned char* buf, unsigned len)
: pb(NULL), strVal(getPool())
{
ClumpletReader::Kind k;
const ClumpletReader::KindList* kl = NULL;
switch(kind)
{
case DPB:
kl = ClumpletReader::dpbList;
break;
case SPB_ATTACH:
kl = ClumpletReader::spbList;
break;
case SPB_START:
k = ClumpletReader::SpbStart;
break;
case TPB:
k = ClumpletReader::Tpb;
break;
default:
fatal_exception::raiseFmt("Wrong parameters block kind %d, should be from %d to %d", kind, DPB, TPB);
break;
}
if (!buf)
{
if (kl)
pb = FB_NEW_POOL(getPool()) ClumpletWriter(getPool(), kl, MAX_DPB_SIZE);
else
pb = FB_NEW_POOL(getPool()) ClumpletWriter(getPool(), k, MAX_DPB_SIZE);
}
else
{
if (kl)
pb = FB_NEW_POOL(getPool()) ClumpletWriter(getPool(), kl, MAX_DPB_SIZE, buf, len);
else
pb = FB_NEW_POOL(getPool()) ClumpletWriter(getPool(), k, MAX_DPB_SIZE, buf, len);
}
}
~XpbBuilder()
{
delete pb;
}
// IXpbBuilder implementation
void clear(CheckStatusWrapper* status)
{
try
{
pb->clear();
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
}
void removeCurrent(CheckStatusWrapper* status)
{
try
{
pb->deleteClumplet();
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
}
void insertInt(CheckStatusWrapper* status, unsigned char tag, int value)
{
try
{
pb->insertInt(tag, value);
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
}
void insertBigInt(CheckStatusWrapper* status, unsigned char tag, ISC_INT64 value)
{
try
{
pb->insertBigInt(tag, value);
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
}
void insertBytes(CheckStatusWrapper* status, unsigned char tag, const void* bytes, unsigned length)
{
try
{
pb->insertBytes(tag, bytes, length);
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
}
void insertString(CheckStatusWrapper* status, unsigned char tag, const char* str)
{
try
{
pb->insertString(tag, str, strlen(str));
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
}
void insertTag(CheckStatusWrapper* status, unsigned char tag)
{
try
{
pb->insertTag(tag);
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
}
FB_BOOLEAN isEof(CheckStatusWrapper* status)
{
try
{
return pb->isEof() ? FB_TRUE : FB_FALSE;
}
catch (const Exception& ex)
{
ex.stuffException(status);
return FB_TRUE;
}
}
void moveNext(CheckStatusWrapper* status)
{
try
{
pb->moveNext();
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
}
void rewind(CheckStatusWrapper* status)
{
try
{
pb->rewind();
}
catch (const Exception& ex)
{
ex.stuffException(status);
}
}
FB_BOOLEAN findFirst(CheckStatusWrapper* status, unsigned char tag)
{
try
{
nextTag = tag;
return pb->find(nextTag) ? FB_TRUE : FB_FALSE;
}
catch (const Exception& ex)
{
ex.stuffException(status);
return FB_FALSE;
}
}
FB_BOOLEAN findNext(CheckStatusWrapper* status)
{
try
{
return pb->next(nextTag) ? FB_TRUE : FB_FALSE;
}
catch (const Exception& ex)
{
ex.stuffException(status);
return FB_FALSE;
}
}
unsigned char getTag(CheckStatusWrapper* status)
{
try
{
return pb->getClumpTag();
}
catch (const Exception& ex)
{
ex.stuffException(status);
return 0;
}
}
unsigned getLength(CheckStatusWrapper* status)
{
try
{
return pb->getClumpLength();
}
catch (const Exception& ex)
{
ex.stuffException(status);
return 0;
}
}
int getInt(CheckStatusWrapper* status)
{
try
{
return pb->getInt();
}
catch (const Exception& ex)
{
ex.stuffException(status);
return 0;
}
}
ISC_INT64 getBigInt(CheckStatusWrapper* status)
{
try
{
return pb->getBigInt();
}
catch (const Exception& ex)
{
ex.stuffException(status);
return 0;
}
}
const char* getString(CheckStatusWrapper* status)
{
try
{
pb->getString(strVal);
return strVal.c_str();
}
catch (const Exception& ex)
{
ex.stuffException(status);
return NULL;
}
}
const unsigned char* getBytes(CheckStatusWrapper* status)
{
try
{
return pb->getBytes();
}
catch (const Exception& ex)
{
ex.stuffException(status);
return NULL;
}
}
unsigned getBufferLength(CheckStatusWrapper* status)
{
try
{
return pb->getBufferLength();
}
catch (const Exception& ex)
{
ex.stuffException(status);
return 0;
}
}
const unsigned char* getBuffer(CheckStatusWrapper* status)
{
try
{
return pb->getBuffer();
}
catch (const Exception& ex)
{
ex.stuffException(status);
return NULL;
}
}
void dispose()
{
delete this;
}
private:
ClumpletWriter* pb;
unsigned char nextTag;
string strVal;
};
IXpbBuilder* UtilInterface::getXpbBuilder(CheckStatusWrapper* status,
unsigned kind, const unsigned char* buf, unsigned len)
{
try
{
return FB_NEW XpbBuilder(kind, buf, len);
}
catch (const Exception& ex)
{
ex.stuffException(status);
return NULL;
}
}
} // namespace Why
#if (defined SOLARIS ) || (defined __cplusplus)
extern "C" {
#endif
// Avoid C++ linkage API functions
int API_ROUTINE gds__blob_size(FB_API_HANDLE* b, SLONG* size, SLONG* seg_count, SLONG* max_seg)
{
/**************************************
*
* g d s _ $ b l o b _ s i z e
*
**************************************
*
* Functional description
* Get the size, number of segments, and max
* segment length of a blob. Return TRUE
* if it happens to succeed.
*
**************************************/
ISC_STATUS_ARRAY status_vector;
SCHAR buffer[64];
if (isc_blob_info(status_vector, b, sizeof(blob_items), blob_items, sizeof(buffer), buffer))
{
isc_print_status(status_vector);
return FALSE;
}
const UCHAR* p = reinterpret_cast<UCHAR*>(buffer);
UCHAR item;
while ((item = *p++) != isc_info_end)
{
const USHORT l = gds__vax_integer(p, 2);
p += 2;
const SLONG n = gds__vax_integer(p, l);
p += l;
switch (item)
{
case isc_info_blob_max_segment:
if (max_seg)
*max_seg = n;
break;
case isc_info_blob_num_segments:
if (seg_count)
*seg_count = n;
break;
case isc_info_blob_total_length:
if (size)
*size = n;
break;
default:
return FALSE;
}
}
return TRUE;
}
// 17 May 2001 - isc_expand_dpb is DEPRECATED
void API_ROUTINE_VARARG isc_expand_dpb(SCHAR** dpb, SSHORT* dpb_size, ...)
{
/**************************************
*
* i s c _ e x p a n d _ d p b
*
**************************************
*
* Functional description
* Extend a database parameter block dynamically
* to include runtime info. Generated
* by gpre to provide host variable support for
* READY statement options.
* This expects the list of variable args
* to be zero terminated.
*
* Note: dpb_size is signed short only for compatibility
* with other calls (isc_attach_database) that take a dpb length.
*
* TMN: Note: According to Ann Harrison:
* That routine should be deprecated. It doesn't do what it
* should, and does do things it shouldn't, and is harder to
* use than the natural alternative.
*
**************************************/
SSHORT length;
UCHAR* p = NULL;
const char* q;
va_list args;
USHORT type;
UCHAR* new_dpb;
// calculate length of database parameter block, setting initial length to include version
SSHORT new_dpb_length;
if (!*dpb || !(new_dpb_length = *dpb_size))
{
new_dpb_length = 1;
}
va_start(args, dpb_size);
while (type = va_arg(args, int))
{
switch (type)
{
case isc_dpb_user_name:
case isc_dpb_password:
case isc_dpb_sql_role_name:
case isc_dpb_lc_messages:
case isc_dpb_lc_ctype:
case isc_dpb_reserved:
q = va_arg(args, char*);
if (q)
{
length = static_cast<SSHORT>(strlen(q));
new_dpb_length += 2 + length;
}
break;
default:
va_arg(args, int);
break;
}
}
va_end(args);
// if items have been added, allocate space
// for the new dpb and copy the old one over
if (new_dpb_length > *dpb_size)
{
// Note: gds__free done by GPRE generated code
new_dpb = (UCHAR*) gds__alloc((SLONG)(sizeof(UCHAR) * new_dpb_length));
p = new_dpb;
// FREE: done by client process in GPRE generated code
if (!new_dpb)
{
// NOMEM: don't trash existing dpb
DEV_REPORT("isc_extend_dpb: out of memory");
return; // NOMEM: not really handled
}
q = *dpb;
for (length = *dpb_size; length; length--)
{
*p++ = *q++;
}
}
else
{
// CVC: Notice this case is new_dpb_length <= *dpb_size, but since
// we have new_dpb_length = MAX(*dpb_size, 1) our case is reduced
// to new_dpb_length == *dpb_size. Therefore, this code is a waste
// of time, since the function didn't find any param to add and thus,
// the loop below won't find anything worth adding either.
// Notice, too that the original input dpb is used, yet the pointer "p"
// is positioned exactly at the end, so if something was added at the
// tail, it would be a memory failure, unless the caller lies and is
// always passing a dpb bigger than *dpb_size.
new_dpb = reinterpret_cast<UCHAR*>(*dpb);
p = new_dpb + *dpb_size;
}
if (!*dpb_size)
*p++ = isc_dpb_version1;
// copy in the new runtime items
va_start(args, dpb_size);
while (type = va_arg(args, int))
{
switch (type)
{
case isc_dpb_user_name:
case isc_dpb_password:
case isc_dpb_sql_role_name:
case isc_dpb_lc_messages:
case isc_dpb_lc_ctype:
case isc_dpb_reserved:
q = va_arg(args, char*);
if (q)
{
length = static_cast<SSHORT>(strlen(q));
fb_assert(type <= CHAR_MAX);
*p++ = (UCHAR) type;
fb_assert(length <= CHAR_MAX);
*p++ = (UCHAR) length;
while (length--)
*p++ = *q++;
}
break;
default:
va_arg(args, int);
break;
}
}
va_end(args);
*dpb_size = p - new_dpb;
*dpb = reinterpret_cast<SCHAR*>(new_dpb);
}
int API_ROUTINE isc_modify_dpb(SCHAR** dpb,
SSHORT* dpb_size,
USHORT type,
const SCHAR* str,
SSHORT str_len)
{
/**************************************
*
* i s c _ m o d i f y _ d p b
*
**************************************
* CVC: This is exactly the same logic as isc_expand_dpb, but for one param.
* However, the difference is that when presented with a dpb type it that's
* unknown, it returns FB_FAILURE immediately. In contrast, isc_expand_dpb
* doesn't complain and instead treats those as integers and tries to skip
* them, hoping to sync in the next iteration.
*
* Functional description
* Extend a database parameter block dynamically
* to include runtime info. Generated
* by gpre to provide host variable support for
* READY statement options.
* This expects one arg at a time.
* the length of the string is passed by the caller and hence
* is not expected to be null terminated.
* this call is a variation of isc_expand_dpb without a variable
* arg parameters.
* Instead, this function is called recursively
* Alternatively, this can have a parameter list with all possible
* parameters either nulled or with proper value and type.
*
* **** This can be modified to be so at a later date, making sure
* **** all callers follow the same convention
*
* Note: dpb_size is signed short only for compatibility
* with other calls (isc_attach_database) that take a dpb length.
*
**************************************/
// calculate length of database parameter block, setting initial length to include version
SSHORT new_dpb_length;
if (!*dpb || !(new_dpb_length = *dpb_size))
{
new_dpb_length = 1;
}
switch (type)
{
case isc_dpb_user_name:
case isc_dpb_password:
case isc_dpb_sql_role_name:
case isc_dpb_lc_messages:
case isc_dpb_lc_ctype:
case isc_dpb_reserved:
new_dpb_length += 2 + str_len;
break;
default:
return FB_FAILURE;
}
// if items have been added, allocate space
// for the new dpb and copy the old one over
UCHAR* new_dpb;
if (new_dpb_length > *dpb_size)
{
// Note: gds__free done by GPRE generated code
new_dpb = (UCHAR*) gds__alloc((SLONG)(sizeof(UCHAR) * new_dpb_length));
// FREE: done by client process in GPRE generated code
if (!new_dpb)
{
// NOMEM: don't trash existing dpb
DEV_REPORT("isc_extend_dpb: out of memory");
return FB_FAILURE; // NOMEM: not really handled
}
memcpy(new_dpb, *dpb, *dpb_size);
}
else
new_dpb = reinterpret_cast<UCHAR*>(*dpb);
UCHAR* p = new_dpb + *dpb_size;
if (!*dpb_size)
{
*p++ = isc_dpb_version1;
}
// copy in the new runtime items
switch (type)
{
case isc_dpb_user_name:
case isc_dpb_password:
case isc_dpb_sql_role_name:
case isc_dpb_lc_messages:
case isc_dpb_lc_ctype:
case isc_dpb_reserved:
{
const UCHAR* q = reinterpret_cast<const UCHAR*>(str);
if (q)
{
SSHORT length = str_len;
fb_assert(type <= MAX_UCHAR);
*p++ = (UCHAR) type;
fb_assert(length <= MAX_UCHAR);
*p++ = (UCHAR) length;
while (length--)
{
*p++ = *q++;
}
}
break;
}
default:
return FB_FAILURE;
}
*dpb_size = p - new_dpb;
*dpb = (SCHAR*) new_dpb;
return FB_SUCCESS;
}
#if defined(UNIX) || defined(WIN_NT)
int API_ROUTINE gds__edit(const TEXT* file_name, USHORT /*type*/)
{
/**************************************
*
* g d s _ $ e d i t
*
**************************************
*
* Functional description
* Edit a file.
*
**************************************/
string editor;
#ifndef WIN_NT
if (!fb_utils::readenv("VISUAL", editor) && !fb_utils::readenv("EDITOR", editor))
editor = "vi";
#else
if (!fb_utils::readenv("EDITOR", editor))
editor = "Notepad";
#endif
struct stat before;
stat(file_name, &before);
// The path of the editor + the path of the file + quotes + one space.
// We aren't using quotes around the editor for now.
TEXT buffer[MAXPATHLEN * 2 + 5];
fb_utils::snprintf(buffer, sizeof(buffer), "%s \"%s\"", editor.c_str(), file_name);
FB_UNUSED(system(buffer));
struct stat after;
stat(file_name, &after);
return (before.st_mtime != after.st_mtime || before.st_size != after.st_size);
}
#endif
SLONG API_ROUTINE gds__event_block(UCHAR** event_buffer, UCHAR** result_buffer, USHORT count, ...)
{
/**************************************
*
* g d s _ $ e v e n t _ b l o c k
*
**************************************
*
* Functional description
* Create an initialized event parameter block from a
* variable number of input arguments.
* Return the size of the block.
*
* Return 0 as the size if the event parameter block cannot be
* created for any reason.
*
**************************************/
UCHAR* p;
SCHAR* q;
SLONG length;
va_list ptr;
USHORT i;
va_start(ptr, count);
// calculate length of event parameter block,
// setting initial length to include version
// and counts for each argument
length = 1;
i = count;
while (i--)
{
q = va_arg(ptr, SCHAR*);
length += static_cast<SLONG>(strlen(q)) + 5;
}
p = *event_buffer = (UCHAR*) gds__alloc((SLONG) (sizeof(UCHAR) * length));
// FREE: unknown
if (!*event_buffer) // NOMEM:
return 0;
*result_buffer = (UCHAR*) gds__alloc((SLONG) (sizeof(UCHAR) * length));
// FREE: unknown
if (!*result_buffer)
{
// NOMEM:
gds__free(*event_buffer);
*event_buffer = NULL;
return 0;
}
#ifdef DEBUG_GDS_ALLOC
// I can't find anywhere these items are freed
// 1994-October-25 David Schnepper
gds_alloc_flag_unfreed((void*) *event_buffer);
gds_alloc_flag_unfreed((void*) *result_buffer);
#endif // DEBUG_GDS_ALLOC
// initialize the block with event names and counts
*p++ = EPB_version1;
va_start(ptr, count);
i = count;
while (i--)
{
q = va_arg(ptr, SCHAR*);
// Strip trailing blanks from string
const SCHAR* end = q + strlen(q);
while (--end >= q && *end == ' ')
; // empty loop
*p++ = end - q + 1;
while (q <= end)
*p++ = *q++;
*p++ = 0;
*p++ = 0;
*p++ = 0;
*p++ = 0;
}
return p - *event_buffer;
}
USHORT API_ROUTINE gds__event_block_a(SCHAR** event_buffer,
SCHAR** result_buffer,
SSHORT count,
SCHAR** name_buffer)
{
/**************************************
*
* g d s _ $ e v e n t _ b l o c k _ a
*
**************************************
*
* Functional description
* Create an initialized event parameter block from a
* vector of input arguments. (Ada needs this)
* Assume all strings are 31 characters long.
* Return the size of the block.
*
**************************************/
const int MAX_NAME_LENGTH = 31;
// calculate length of event parameter block,
// setting initial length to include version
// and counts for each argument
USHORT i = count;
const SCHAR* const* nb = name_buffer;
SLONG length = 0;
while (i--)
{
const SCHAR* q = *nb++;
// Strip trailing blanks from string
const SCHAR* end = q + MAX_NAME_LENGTH;
while (--end >= q && *end == ' '); // null body
length += end - q + 1 + 5;
}
i = count;
SCHAR* p = *event_buffer = (SCHAR*) gds__alloc((SLONG) (sizeof(SCHAR) * length));
// FREE: unknown
if (!*event_buffer) // NOMEM:
return 0;
*result_buffer = (SCHAR*) gds__alloc((SLONG) (sizeof(SCHAR) * length));
// FREE: unknown
if (!*result_buffer)
{
// NOMEM:
gds__free(*event_buffer);
*event_buffer = NULL;
return 0;
}
#ifdef DEBUG_GDS_ALLOC
// I can't find anywhere these items are freed
// 1994-October-25 David Schnepper
gds_alloc_flag_unfreed((void*) *event_buffer);
gds_alloc_flag_unfreed((void*) *result_buffer);
#endif // DEBUG_GDS_ALLOC
*p++ = EPB_version1;
nb = name_buffer;
while (i--)
{
const SCHAR* q = *nb++;
// Strip trailing blanks from string
const SCHAR* end = q + MAX_NAME_LENGTH;
while (--end >= q && *end == ' ')
; // null body
*p++ = end - q + 1;
while (q <= end)
*p++ = *q++;
*p++ = 0;
*p++ = 0;
*p++ = 0;
*p++ = 0;
}
return (p - *event_buffer);
}
void API_ROUTINE gds__event_block_s(SCHAR** event_buffer,
SCHAR** result_buffer,
SSHORT count,
SCHAR** name_buffer,
SSHORT* return_count)
{
/**************************************
*
* g d s _ $ e v e n t _ b l o c k _ s
*
**************************************
*
* Functional description
* THIS IS THE COBOL VERSION of gds__event_block_a for Cobols
* that don't permit return values.
*
**************************************/
*return_count = gds__event_block_a(event_buffer, result_buffer, count, name_buffer);
}
void API_ROUTINE isc_event_counts(ULONG* result_vector,
SSHORT buffer_length,
UCHAR* event_buffer,
const UCHAR* result_buffer)
{
/**************************************
*
* g d s _ $ e v e n t _ c o u n t s
*
**************************************
*
* Functional description
* Get the delta between two events in an event
* parameter block. Used to update gds_events
* for GPRE support of events.
*
**************************************/
ULONG* vec = result_vector;
const UCHAR* p = event_buffer;
const UCHAR* q = result_buffer;
USHORT length = buffer_length;
const UCHAR* const end = p + length;
// analyze the event blocks, getting the delta for each event
p++;
q++;
while (p < end)
{
// skip over the event name
const USHORT i = (USHORT)* p++;
p += i;
q += i + 1;
// get the change in count
const ULONG initial_count = gds__vax_integer(p, sizeof(SLONG));
p += sizeof(SLONG);
const ULONG new_count = gds__vax_integer(q, sizeof(SLONG));
q += sizeof(SLONG);
*vec++ = new_count - initial_count;
}
// copy over the result to the initial block to prepare
// for the next call to gds__event_wait
memcpy(event_buffer, result_buffer, length);
}
void API_ROUTINE isc_get_client_version(SCHAR* buffer)
{
/**************************************
*
* g d s _ $ g e t _ c l i e n t _ v e r s i o n
*
**************************************
*
* Functional description
*
**************************************/
if (buffer)
strcpy(buffer, ISC_VERSION);
}
int API_ROUTINE isc_get_client_major_version()
{
/**************************************
*
* g d s _ $ g e t _ c l i e n t _ m a j o r _ v e r s i o n
*
**************************************
*
* Functional description
*
**************************************/
return atoi(ISC_MAJOR_VER);
}
int API_ROUTINE isc_get_client_minor_version()
{
/**************************************
*
* g d s _ $ g e t _ c l i e n t _ m i n o r _ v e r s i o n
*
**************************************
*
* Functional description
*
**************************************/
return atoi(ISC_MINOR_VER);
}
void API_ROUTINE gds__map_blobs(int* /*handle1*/, int* /*handle2*/)
{
/**************************************
*
* g d s _ $ m a p _ b l o b s
*
**************************************
*
* Functional description
* Deprecated API function.
*
**************************************/
}
void API_ROUTINE isc_set_debug(int /*value*/)
{
/**************************************
*
* G D S _ S E T _ D E B U G
*
**************************************
*
* Functional description
* Deprecated API function.
*
**************************************/
}
void API_ROUTINE isc_set_login(const UCHAR** dpb, SSHORT* dpb_size)
{
/**************************************
*
* i s c _ s e t _ l o g i n
*
**************************************
*
* Functional description
* Pickup any ISC_USER and ISC_PASSWORD
* environment variables, and stuff them
* into the dpb (if there is no user name
* or password already referenced).
*
**************************************/
// look for the environment variables
string username, password;
if (!fb_utils::readenv(ISC_USER, username) && !fb_utils::readenv(ISC_PASSWORD, password))
return;
// figure out whether the username or password have already been specified
bool user_seen = false, password_seen = false;
if (*dpb && *dpb_size)
{
const UCHAR* p = *dpb;
for (const UCHAR* const end_dpb = p + *dpb_size; p < end_dpb;)
{
const int item = *p++;
switch (item)
{
case isc_dpb_version1:
continue;
case isc_dpb_user_name:
user_seen = true;
break;
case isc_dpb_password:
case isc_dpb_password_enc:
password_seen = true;
break;
}
// get the length and increment past the parameter.
const USHORT l = *p++;
p += l;
}
}
if (username.length() && !user_seen)
{
if (password.length() && !password_seen)
isc_expand_dpb_internal(dpb, dpb_size, isc_dpb_user_name, username.c_str(),
isc_dpb_password, password.c_str(), 0);
else
isc_expand_dpb_internal(dpb, dpb_size, isc_dpb_user_name, username.c_str(), 0);
}
else if (password.length() && !password_seen)
isc_expand_dpb_internal(dpb, dpb_size, isc_dpb_password, password.c_str(), 0);
}
void API_ROUTINE isc_set_single_user(const UCHAR** dpb, SSHORT* dpb_size, const TEXT* single_user)
{
/****************************************
*
* i s c _ s e t _ s i n g l e _ u s e r
*
****************************************
*
* Functional description
* Stuff the single_user flag into the dpb
* if the flag doesn't already exist in the dpb.
*
****************************************/
// Discover if single user access has already been specified
bool single_user_seen = false;
if (*dpb && *dpb_size)
{
const UCHAR* p = *dpb;
for (const UCHAR* const end_dpb = p + *dpb_size; p < end_dpb;)
{
const int item = *p++;
switch (item)
{
case isc_dpb_version1:
continue;
case isc_dpb_reserved:
single_user_seen = true;
break;
}
// Get the length and increment past the parameter.
const USHORT l = *p++;
p += l;
}
}
if (!single_user_seen)
isc_expand_dpb_internal(dpb, dpb_size, isc_dpb_reserved, single_user, 0);
}
static void print_version(void*, const char* version)
{
printf("\t%s\n", version);
}
int API_ROUTINE isc_version(FB_API_HANDLE* handle, FPTR_VERSION_CALLBACK routine, void* user_arg)
{
/**************************************
*
* g d s _ $ v e r s i o n
*
**************************************
*
* Functional description
* Obtain and print information about a database.
*
**************************************/
if (!routine)
routine = print_version;
LocalStatus ls;
CheckStatusWrapper st(&ls);
RefPtr<IAttachment> att(REF_NO_INCR, handleToIAttachment(&st, handle));
if (st.getState() & IStatus::STATE_ERRORS)
return FB_FAILURE;
VersionCallback callback(routine, user_arg);
UtilInterfacePtr()->getFbVersion(&st, att, &callback);
return st.getState() & IStatus::STATE_ERRORS ? FB_FAILURE : FB_SUCCESS;
}
void API_ROUTINE isc_format_implementation(USHORT impl_nr,
USHORT ibuflen, TEXT* ibuf,
USHORT impl_class_nr,
USHORT cbuflen, TEXT* cbuf)
{
/**************************************
*
* i s c _ f o r m a t _ i m p l e m e n t a t i o n
*
**************************************
*
* Functional description
* Convert the implementation and class codes to strings
* by looking up their values in the internal tables.
*
**************************************/
if (ibuflen > 0)
{
string imp =
DbImplementation::fromBackwardCompatibleByte(impl_nr).implementation();
imp.copyTo(ibuf, ibuflen);
}
if (cbuflen > 0)
{
if (impl_class_nr >= FB_NELEM(impl_class) || !(impl_class[impl_class_nr]))
{
strncpy(cbuf, "**unknown**", cbuflen - 1);
cbuf[MIN(11, cbuflen - 1)] = '\0';
}
else
{
strncpy(cbuf, impl_class[impl_class_nr], cbuflen - 1);
const int len = static_cast<int>(strlen(impl_class[impl_class_nr]));
cbuf[MIN(len, cbuflen - 1)] = '\0';
}
}
}
uintptr_t API_ROUTINE isc_baddress(SCHAR* object)
{
/**************************************
*
* i s c _ b a d d r e s s
*
**************************************
*
* Functional description
* Return the address of whatever is passed in
*
**************************************/
return (uintptr_t) object;
}
void API_ROUTINE isc_baddress_s(const SCHAR* object, uintptr_t* address)
{
/**************************************
*
* i s c _ b a d d r e s s _ s
*
**************************************
*
* Functional description
* Copy the address of whatever is passed in to the 2nd param.
*
**************************************/
*address = (uintptr_t) object;
}
int API_ROUTINE BLOB_close(FB_BLOB_STREAM blobStream)
{
/**************************************
*
* B L O B _ c l o s e
*
**************************************
*
* Functional description
* Close a blob stream.
*
**************************************/
ISC_STATUS_ARRAY status_vector;
if (!blobStream->bstr_blob)
return FALSE;
if (blobStream->bstr_mode & BSTR_output)
{
const USHORT l = (blobStream->bstr_ptr - blobStream->bstr_buffer);
if (l > 0)
{
if (isc_put_segment(status_vector, &blobStream->bstr_blob, l, blobStream->bstr_buffer))
{
return FALSE;
}
}
}
isc_close_blob(status_vector, &blobStream->bstr_blob);
if (blobStream->bstr_mode & BSTR_alloc)
gds__free(blobStream->bstr_buffer);
gds__free(blobStream);
return TRUE;
}
int API_ROUTINE blob__display(SLONG blob_id[2],
FB_API_HANDLE* database,
FB_API_HANDLE* transaction,
const TEXT* field_name, const SSHORT* name_length)
{
/**************************************
*
* b l o b _ $ d i s p l a y
*
**************************************
*
* Functional description
* PASCAL callable version of EDIT_blob.
*
**************************************/
const MetaName temp(field_name, *name_length);
return BLOB_display(reinterpret_cast<ISC_QUAD*>(blob_id), *database, *transaction, temp.c_str());
}
int API_ROUTINE BLOB_display(ISC_QUAD* blob_id,
FB_API_HANDLE database,
FB_API_HANDLE transaction,
const TEXT* /*field_name*/)
{
/**************************************
*
* B L O B _ d i s p l a y
*
**************************************
*
* Functional description
* Open a blob, dump it to stdout
*
**************************************/
LocalStatus st;
CheckStatusWrapper statusWrapper(&st);
RefPtr<IAttachment> att(REF_NO_INCR, handleToIAttachment(&statusWrapper, &database));
if (st.getState() & IStatus::STATE_ERRORS)
return FB_FAILURE;
RefPtr<ITransaction> tra(REF_NO_INCR, handleToITransaction(&statusWrapper, &transaction));
if (st.getState() & IStatus::STATE_ERRORS)
return FB_FAILURE;
try
{
dump(&statusWrapper, blob_id, att, tra, stdout);
}
catch (const Exception& ex)
{
ex.stuffException(&statusWrapper);
}
if (statusWrapper.getState() & Firebird::IStatus::STATE_ERRORS)
{
isc_print_status(statusWrapper.getErrors());
return FB_FAILURE;
}
return FB_SUCCESS;
}
int API_ROUTINE blob__dump(SLONG blob_id[2],
FB_API_HANDLE* database,
FB_API_HANDLE* transaction,
const TEXT* file_name, const SSHORT* name_length)
{
/**************************************
*
* b l o b _ $ d u m p
*
**************************************
*
* Functional description
* Translate a pascal callable dump
* into an internal dump call.
*
**************************************/
// CVC: The old logic passed garbage to BLOB_dump if !*name_length
TEXT temp[129];
USHORT l = *name_length;
if (l != 0)
{
if (l >= sizeof(temp))
l = sizeof(temp) - 1;
memcpy(temp, file_name, l);
}
temp[l] = 0;
return BLOB_dump(reinterpret_cast<ISC_QUAD*>(blob_id), *database, *transaction, temp);
}
static int any_text_dump(ISC_QUAD* blob_id,
FB_API_HANDLE database,
FB_API_HANDLE transaction,
const SCHAR* file_name,
FB_BOOLEAN txt)
{
/**************************************
*
* a n y _ t e x t _ d u m p
*
**************************************
*
* Functional description
* Dump a blob into a file.
*
**************************************/
LocalStatus ls;
CheckStatusWrapper st(&ls);
RefPtr<IAttachment> att(REF_NO_INCR, handleToIAttachment(&st, &database));
if (st.getState() & Firebird::IStatus::STATE_ERRORS)
return FB_FAILURE;
RefPtr<ITransaction> tra(REF_NO_INCR, handleToITransaction(&st, &transaction));
if (st.getState() & Firebird::IStatus::STATE_ERRORS)
return FB_FAILURE;
UtilInterfacePtr()->dumpBlob(&st, blob_id, att, tra, file_name, txt);
if (st.getState() & Firebird::IStatus::STATE_ERRORS)
{
isc_print_status(st.getErrors());
return FB_FAILURE;
}
return FB_SUCCESS;
}
int API_ROUTINE BLOB_text_dump(ISC_QUAD* blob_id,
FB_API_HANDLE database,
FB_API_HANDLE transaction,
const SCHAR* file_name)
{
/**************************************
*
* B L O B _ t e x t _ d u m p
*
**************************************
*
* Functional description
* Dump a blob into a file.
* This call does CR/LF translation on NT.
*
**************************************/
return any_text_dump(blob_id, database, transaction, file_name, FB_TRUE);
}
int API_ROUTINE BLOB_dump(ISC_QUAD* blob_id,
FB_API_HANDLE database,
FB_API_HANDLE transaction,
const SCHAR* file_name)
{
/**************************************
*
* B L O B _ d u m p
*
**************************************
*
* Functional description
* Dump a blob into a file.
*
**************************************/
return any_text_dump(blob_id, database, transaction, file_name, FB_FALSE);
}
int API_ROUTINE blob__edit(SLONG blob_id[2],
FB_API_HANDLE* database,
FB_API_HANDLE* transaction,
const TEXT* field_name, const SSHORT* name_length)
{
/**************************************
*
* b l o b _ $ e d i t
*
**************************************
*
* Functional description
* Translate a pascal callable edit
* into an internal edit call.
*
**************************************/
const MetaName temp(field_name, *name_length);
return BLOB_edit(reinterpret_cast<ISC_QUAD*>(blob_id), *database, *transaction, temp.c_str());
}
int API_ROUTINE BLOB_edit(ISC_QUAD* blob_id,
FB_API_HANDLE database,
FB_API_HANDLE transaction,
const SCHAR* field_name)
{
/**************************************
*
* B L O B _ e d i t
*
**************************************
*
* Functional description
* Open a blob, dump it to a file, allow the user to edit the
* window, and dump the data back into a blob. If the user
* bails out, return FALSE, otherwise return TRUE.
*
**************************************/
LocalStatus st;
CheckStatusWrapper statusWrapper(&st);
RefPtr<IAttachment> att(REF_NO_INCR, handleToIAttachment(&statusWrapper, &database));
if (st.getState() & Firebird::IStatus::STATE_ERRORS)
return FB_FAILURE;
RefPtr<ITransaction> tra(REF_NO_INCR, handleToITransaction(&statusWrapper, &transaction));
if (st.getState() & Firebird::IStatus::STATE_ERRORS)
return FB_FAILURE;
int rc = FB_SUCCESS;
try
{
rc = edit(&statusWrapper, blob_id, att, tra, TRUE, field_name) ? FB_SUCCESS : FB_FAILURE;
}
catch (const Exception& ex)
{
ex.stuffException(&statusWrapper);
}
if (statusWrapper.getState() & Firebird::IStatus::STATE_ERRORS)
isc_print_status(statusWrapper.getErrors());
return rc;
}
int API_ROUTINE BLOB_get(FB_BLOB_STREAM blobStream)
{
/**************************************
*
* B L O B _ g e t
*
**************************************
*
* Functional description
* Return the next byte of a blob. If the blob is exhausted, return
* EOF.
*
**************************************/
ISC_STATUS_ARRAY status_vector;
if (!blobStream->bstr_buffer)
return EOF;
while (true)
{
if (--blobStream->bstr_cnt >= 0)
return *blobStream->bstr_ptr++ & 0377;
isc_get_segment(status_vector, &blobStream->bstr_blob,
// safe - cast from short, alignment is OK
reinterpret_cast<USHORT*>(&blobStream->bstr_cnt),
blobStream->bstr_length, blobStream->bstr_buffer);
if (status_vector[1] && status_vector[1] != isc_segment)
{
blobStream->bstr_ptr = 0;
blobStream->bstr_cnt = 0;
if (status_vector[1] != isc_segstr_eof)
isc_print_status(status_vector);
return EOF;
}
blobStream->bstr_ptr = blobStream->bstr_buffer;
}
}
int API_ROUTINE blob__load(SLONG blob_id[2],
FB_API_HANDLE* database,
FB_API_HANDLE* transaction,
const TEXT* file_name, const SSHORT* name_length)
{
/**************************************
*
* b l o b _ $ l o a d
*
**************************************
*
* Functional description
* Translate a pascal callable load
* into an internal load call.
*
**************************************/
// CVC: The old logic passed garbage to BLOB_load if !*name_length
TEXT temp[129];
USHORT l = *name_length;
if (l != 0)
{
if (l >= sizeof(temp))
l = sizeof(temp) - 1;
memcpy(temp, file_name, l);
}
temp[l] = 0;
return BLOB_load(reinterpret_cast<ISC_QUAD*>(blob_id), *database, *transaction, temp);
}
static int any_text_load(ISC_QUAD* blob_id,
FB_API_HANDLE database,
FB_API_HANDLE transaction,
const TEXT* file_name,
FB_BOOLEAN flag)
{
/**************************************
*
* a n y _ t e x t _ l o a d
*
**************************************
*
* Functional description
* Load a blob with the contents of a file.
* Return TRUE is successful.
*
**************************************/
LocalStatus ls;
CheckStatusWrapper st(&ls);
RefPtr<IAttachment> att(REF_NO_INCR, handleToIAttachment(&st, &database));
if (st.getState() & Firebird::IStatus::STATE_ERRORS)
return FB_FAILURE;
RefPtr<ITransaction> tra(REF_NO_INCR, handleToITransaction(&st, &transaction));
if (st.getState() & Firebird::IStatus::STATE_ERRORS)
return FB_FAILURE;
UtilInterfacePtr()->loadBlob(&st, blob_id, att, tra, file_name, flag);
if (st.getState() & Firebird::IStatus::STATE_ERRORS)
{
isc_print_status(st.getErrors());
return FB_FAILURE;
}
return FB_SUCCESS;
}
int API_ROUTINE BLOB_text_load(ISC_QUAD* blob_id,
FB_API_HANDLE database,
FB_API_HANDLE transaction,
const TEXT* file_name)
{
/**************************************
*
* B L O B _ t e x t _ l o a d
*
**************************************
*
* Functional description
* Load a blob with the contents of a file.
* This call does CR/LF translation on NT.
* Return TRUE is successful.
*
**************************************/
return any_text_load(blob_id, database, transaction, file_name, FB_TRUE);
}
int API_ROUTINE BLOB_load(ISC_QUAD* blob_id,
FB_API_HANDLE database,
FB_API_HANDLE transaction,
const TEXT* file_name)
{
/**************************************
*
* B L O B _ l o a d
*
**************************************
*
* Functional description
* Load a blob with the contents of a file. Return TRUE is successful.
*
**************************************/
return any_text_load(blob_id, database, transaction, file_name, FB_FALSE);
}
FB_BLOB_STREAM API_ROUTINE Bopen(ISC_QUAD* blob_id,
FB_API_HANDLE database,
FB_API_HANDLE transaction,
const SCHAR* mode)
{
/**************************************
*
* B o p e n
*
**************************************
*
* Functional description
* Initialize a blob-stream block.
*
**************************************/
// bpb is irrelevant, not used.
const USHORT bpb_length = 0;
const UCHAR* bpb = NULL;
FB_API_HANDLE blob = 0;
ISC_STATUS_ARRAY status_vector;
switch (*mode)
{
case 'w':
case 'W':
if (isc_create_blob2(status_vector, &database, &transaction, &blob, blob_id,
bpb_length, reinterpret_cast<const char*>(bpb)))
{
return NULL;
}
break;
case 'r':
case 'R':
if (isc_open_blob2(status_vector, &database, &transaction, &blob, blob_id,
bpb_length, bpb))
{
return NULL;
}
break;
default:
return NULL;
}
FB_BLOB_STREAM blobStream = BLOB_open(blob, NULL, 0);
if (*mode == 'w' || *mode == 'W')
{
blobStream->bstr_mode |= BSTR_output;
blobStream->bstr_cnt = blobStream->bstr_length;
blobStream->bstr_ptr = blobStream->bstr_buffer;
}
else
{
blobStream->bstr_cnt = 0;
blobStream->bstr_mode |= BSTR_input;
}
return blobStream;
}
// CVC: This routine doesn't open a blob really!
FB_BLOB_STREAM API_ROUTINE BLOB_open(FB_API_HANDLE blob, SCHAR* buffer, int length)
{
/**************************************
*
* B L O B _ o p e n
*
**************************************
*
* Functional description
* Initialize a blob-stream block.
*
**************************************/
if (!blob)
return NULL;
FB_BLOB_STREAM blobStream = (FB_BLOB_STREAM) gds__alloc((SLONG) sizeof(struct bstream));
// FREE: This structure is freed by BLOB_close
if (!blobStream) // NOMEM:
return NULL;
#ifdef DEBUG_gds__alloc
// This structure is handed to the user process, we depend on the client
// to call BLOB_close() for it to be freed.
gds_alloc_flag_unfreed((void*) blobStream);
#endif
blobStream->bstr_blob = blob;
blobStream->bstr_length = length ? length : 512;
blobStream->bstr_mode = 0;
blobStream->bstr_cnt = 0;
blobStream->bstr_ptr = 0;
if (!(blobStream->bstr_buffer = buffer))
{
blobStream->bstr_buffer = (SCHAR*) gds__alloc((SLONG) (sizeof(SCHAR) * blobStream->bstr_length));
// FREE: This structure is freed in BLOB_close()
if (!blobStream->bstr_buffer)
{
// NOMEM:
gds__free(blobStream);
return NULL;
}
#ifdef DEBUG_gds__alloc
// This structure is handed to the user process, we depend on the client
// to call BLOB_close() for it to be freed.
gds_alloc_flag_unfreed((void*) blobStream->bstr_buffer);
#endif
blobStream->bstr_mode |= BSTR_alloc;
}
return blobStream;
}
int API_ROUTINE BLOB_put(SCHAR x, FB_BLOB_STREAM blobStream)
{
/**************************************
*
* B L O B _ p u t
*
**************************************
*
* Functional description
* Write a segment to a blob. First
* stick in the final character, then
* compute the length and send off the
* segment. Finally, set up the buffer
* block and retun TRUE if all is well.
*
**************************************/
if (!blobStream->bstr_buffer)
return FALSE;
*blobStream->bstr_ptr++ = (x & 0377);
const USHORT l = (blobStream->bstr_ptr - blobStream->bstr_buffer);
ISC_STATUS_ARRAY status_vector;
if (isc_put_segment(status_vector, &blobStream->bstr_blob, l, blobStream->bstr_buffer))
{
return FALSE;
}
blobStream->bstr_cnt = blobStream->bstr_length;
blobStream->bstr_ptr = blobStream->bstr_buffer;
return TRUE;
}
int API_ROUTINE gds__thread_start(FPTR_INT_VOID_PTR* entrypoint,
void* arg,
int priority,
int /*flags*/,
void* thd_id)
{
/**************************************
*
* g d s _ _ t h r e a d _ s t a r t
*
**************************************
*
* Functional description
* Start a thread.
*
**************************************/
int rc = 0;
try
{
Thread::start((ThreadEntryPoint*) entrypoint, arg, priority, (Thread::Handle*) thd_id);
}
catch (const status_exception& status)
{
rc = status.value()[1];
}
return rc;
}
#if (defined SOLARIS ) || (defined __cplusplus)
} //extern "C" {
#endif
static void get_ods_version(CheckStatusWrapper* status, IAttachment* att,
USHORT* ods_version, USHORT* ods_minor_version)
{
/**************************************
*
* g e t _ o d s _ v e r s i o n
*
**************************************
*
* Functional description
* Obtain information about a on-disk structure (ods) versions
* of the database.
*
**************************************/
UCHAR buffer[16];
att->getInfo(status, sizeof(ods_info), ods_info, sizeof(buffer), buffer);
if (status->getState() & Firebird::IStatus::STATE_ERRORS)
return;
const UCHAR* p = buffer;
UCHAR item;
while ((item = *p++) != isc_info_end)
{
const USHORT l = static_cast<USHORT>(gds__vax_integer(p, 2));
p += 2;
const USHORT n = static_cast<USHORT>(gds__vax_integer(p, l));
p += l;
switch (item)
{
case isc_info_ods_version:
*ods_version = n;
break;
case isc_info_ods_minor_version:
*ods_minor_version = n;
break;
default:
(Arg::Gds(isc_random) << "Invalid info item").raise();
}
}
}
// CVC: I just made this alternative function to let the original unchanged.
// However, the original logic doesn't make sense.
static void isc_expand_dpb_internal(const UCHAR** dpb, SSHORT* dpb_size, ...)
{
/**************************************
*
* i s c _ e x p a n d _ d p b _ i n t e r n a l
*
**************************************
*
* Functional description
* Extend a database parameter block dynamically
* to include runtime info. Generated
* by gpre to provide host variable support for
* READY statement options.
* This expects the list of variable args
* to be zero terminated.
*
* Note: dpb_size is signed short only for compatibility
* with other calls (isc_attach_database) that take a dpb length.
*
* TMN: Note: According to Ann Harrison:
* That routine should be deprecated. It doesn't do what it
* should, and does do things it shouldn't, and is harder to
* use than the natural alternative.
*
* CVC: This alternative version returns either the original dpb or a
* new one, but never overwrites the original dpb. More accurately, it's
* clearer than the original function that really never modifies its source
* dpb, but there appears to be a logic failure on an impossible path.
* Also, since the change from UCHAR** to const UCHAR** is not transparent,
* a new version was needed to make sure the old world wasn't broken.
*
**************************************/
SSHORT length;
unsigned char* p = 0;
const char* q;
const unsigned char* uq;
va_list args;
USHORT type;
UCHAR* new_dpb;
// calculate length of database parameter block, setting initial length to include version
SSHORT new_dpb_length;
if (!*dpb || !(new_dpb_length = *dpb_size))
{
new_dpb_length = 1;
}
va_start(args, dpb_size);
while (type = va_arg(args, int))
{
switch (type)
{
case isc_dpb_user_name:
case isc_dpb_password:
case isc_dpb_sql_role_name:
case isc_dpb_lc_messages:
case isc_dpb_lc_ctype:
case isc_dpb_reserved:
q = va_arg(args, char*);
if (q)
{
length = static_cast<SSHORT>(strlen(q));
new_dpb_length += 2 + length;
}
break;
default:
va_arg(args, int);
break;
}
}
va_end(args);
// if items have been added, allocate space for the new dpb and copy the old one over
if (new_dpb_length > *dpb_size)
{
// Note: gds__free done by GPRE generated code
new_dpb = (UCHAR*) gds__alloc((SLONG)(sizeof(UCHAR) * new_dpb_length));
p = new_dpb;
// FREE: done by client process in GPRE generated code
if (!new_dpb)
{
// NOMEM: don't trash existing dpb
DEV_REPORT("isc_extend_dpb: out of memory");
return; // NOMEM: not really handled
}
uq = *dpb;
for (length = *dpb_size; length; length--)
{
*p++ = *uq++;
}
}
else
{
// CVC: Notice the initialization is: new_dpb_length = *dpb_size
// Therefore, the worst case is new_dpb_length == *dpb_size
// Also, if *dpb_size == 0, then new_dpb_length is set to 1,
// so there will be again a bigger new buffer.
// Hence, this else just means "we found nothing that we can
// recognize in the variable params list to add and thus,
// there's nothing to do". The case for new_dpb_length being less
// than the original length simply can't happen. Therefore,
// the input can be declared const.
return;
}
if (!*dpb_size)
*p++ = isc_dpb_version1;
// copy in the new runtime items
va_start(args, dpb_size);
while (type = va_arg(args, int))
{
switch (type)
{
case isc_dpb_user_name:
case isc_dpb_password:
case isc_dpb_sql_role_name:
case isc_dpb_lc_messages:
case isc_dpb_lc_ctype:
case isc_dpb_reserved:
q = va_arg(args, char*);
if (q)
{
length = static_cast<SSHORT>(strlen(q));
fb_assert(type <= CHAR_MAX);
*p++ = (unsigned char) type;
fb_assert(length <= CHAR_MAX);
*p++ = (unsigned char) length;
while (length--)
*p++ = *q++;
}
break;
default:
va_arg(args, int);
break;
}
}
va_end(args);
*dpb_size = p - new_dpb;
*dpb = new_dpb;
}
// new utl
static void setTag(ClumpletWriter& dpb, UCHAR tag, const char* env, bool utf8)
{
string value;
if (fb_utils::readenv(env, value) && !dpb.find(tag))
{
if (utf8)
ISC_systemToUtf8(value);
dpb.insertString(tag, value);
}
}
void setLogin(ClumpletWriter& dpb, bool spbFlag)
{
const UCHAR address_path = spbFlag ? isc_spb_address_path : isc_dpb_address_path;
const UCHAR trusted_auth = spbFlag ? isc_spb_trusted_auth : isc_dpb_trusted_auth;
const UCHAR auth_block = spbFlag ? isc_spb_auth_block : isc_dpb_auth_block;
const UCHAR utf8Tag = spbFlag ? isc_spb_utf8_filename : isc_dpb_utf8_filename;
// username and password tags match for both SPB and DPB
if (!(dpb.find(trusted_auth) || dpb.find(address_path) || dpb.find(auth_block)))
{
bool utf8 = dpb.find(utf8Tag);
setTag(dpb, isc_dpb_user_name, ISC_USER, utf8);
if (!dpb.find(isc_dpb_password_enc))
setTag(dpb, isc_dpb_password, ISC_PASSWORD, utf8);
if (spbFlag)
setTag(dpb, isc_spb_expected_db, "FB_EXPECTED_DB", utf8);
}
}
//
// circularAlloc()
//
#ifdef WIN_NT
#include <windows.h>
#endif
namespace {
class ThreadCleanup
{
public:
static void add(FPTR_VOID_PTR cleanup, void* arg);
static void remove(FPTR_VOID_PTR cleanup, void* arg);
static void destructor(void*);
static void assertNoCleanupChain()
{
fb_assert(!chain);
}
private:
FPTR_VOID_PTR function;
void* argument;
ThreadCleanup* next;
static ThreadCleanup* chain;
static GlobalPtr<Mutex> cleanupMutex;
ThreadCleanup(FPTR_VOID_PTR cleanup, void* arg, ThreadCleanup* chain)
: function(cleanup), argument(arg), next(chain) { }
static void initThreadCleanup();
static void finiThreadCleanup();
static ThreadCleanup** findCleanup(FPTR_VOID_PTR cleanup, void* arg);
};
ThreadCleanup* ThreadCleanup::chain = NULL;
GlobalPtr<Mutex> ThreadCleanup::cleanupMutex;
#ifdef USE_POSIX_THREADS
pthread_key_t key;
pthread_once_t keyOnce = PTHREAD_ONCE_INIT;
bool keySet = false;
void makeKey()
{
int err = pthread_key_create(&key, ThreadCleanup::destructor);
if (err)
{
Firebird::system_call_failed("pthread_key_create", err);
}
keySet = true;
}
void ThreadCleanup::initThreadCleanup()
{
int err = pthread_once(&keyOnce, makeKey);
if (err)
{
Firebird::system_call_failed("pthread_once", err);
}
err = pthread_setspecific(key, &key);
if (err)
{
Firebird::system_call_failed("pthread_setspecific", err);
}
}
void ThreadCleanup::finiThreadCleanup()
{
pthread_setspecific(key, NULL);
}
class FiniThreadCleanup
{
public:
FiniThreadCleanup(Firebird::MemoryPool&)
{ }
~FiniThreadCleanup()
{
ThreadCleanup::assertNoCleanupChain();
if (keySet)
{
int err = pthread_key_delete(key);
if (err)
Firebird::system_call_failed("pthread_key_delete", err);
}
}
};
Firebird::GlobalPtr<FiniThreadCleanup> thrCleanup; // needed to call dtor
#endif // USE_POSIX_THREADS
#ifdef WIN_NT
void ThreadCleanup::initThreadCleanup()
{
}
void ThreadCleanup::finiThreadCleanup()
{
}
#endif // #ifdef WIN_NT
ThreadCleanup** ThreadCleanup::findCleanup(FPTR_VOID_PTR cleanup, void* arg)
{
for (ThreadCleanup** ptr = &chain; *ptr; ptr = &((*ptr)->next))
{
if ((*ptr)->function == cleanup && (*ptr)->argument == arg)
{
return ptr;
}
}
return NULL;
}
void ThreadCleanup::destructor(void*)
{
MutexLockGuard guard(cleanupMutex, FB_FUNCTION);
for (ThreadCleanup* ptr = chain; ptr; ptr = ptr->next)
{
ptr->function(ptr->argument);
}
finiThreadCleanup();
}
void ThreadCleanup::add(FPTR_VOID_PTR cleanup, void* arg)
{
Firebird::MutexLockGuard guard(cleanupMutex, FB_FUNCTION);
initThreadCleanup();
if (findCleanup(cleanup, arg))
{
return;
}
chain = FB_NEW_POOL(*getDefaultMemoryPool()) ThreadCleanup(cleanup, arg, chain);
}
void ThreadCleanup::remove(FPTR_VOID_PTR cleanup, void* arg)
{
MutexLockGuard guard(cleanupMutex, FB_FUNCTION);
ThreadCleanup** ptr = findCleanup(cleanup, arg);
if (!ptr)
{
return;
}
ThreadCleanup* toDelete = *ptr;
*ptr = toDelete->next;
delete toDelete;
}
class ThreadBuffer : public GlobalStorage
{
private:
const static size_t BUFFER_SIZE = 8192; // make it match with call stack limit == 2048
char buffer[BUFFER_SIZE];
char* buffer_ptr;
public:
ThreadBuffer() : buffer_ptr(buffer) { }
const char* alloc(const char* string, size_t length)
{
// if string is already in our buffer - return it
// it was already saved in our buffer once
if (string >= buffer && string < &buffer[BUFFER_SIZE])
return string;
// if string too long, truncate it
if (length > BUFFER_SIZE / 4)
length = BUFFER_SIZE / 4;
// If there isn't any more room in the buffer, start at the beginning again
if (buffer_ptr + length + 1 > buffer + BUFFER_SIZE)
buffer_ptr = buffer;
char* new_string = buffer_ptr;
memcpy(new_string, string, length);
new_string[length] = 0;
buffer_ptr += length + 1;
return new_string;
}
};
TLS_DECLARE(ThreadBuffer*, threadBuffer);
void cleanupAllStrings(void*)
{
///fprintf(stderr, "Cleanup is called\n");
delete TLS_GET(threadBuffer);
TLS_SET(threadBuffer, NULL);
///fprintf(stderr, "Buffer removed\n");
}
ThreadBuffer* getThreadBuffer()
{
ThreadBuffer* rc = TLS_GET(threadBuffer);
if (!rc)
{
ThreadCleanup::add(cleanupAllStrings, NULL);
rc = FB_NEW ThreadBuffer;
TLS_SET(threadBuffer, rc);
}
return rc;
}
// Needed to call dtor
class Strings
{
public:
Strings(MemoryPool&)
{ }
~Strings()
{
ThreadCleanup::remove(cleanupAllStrings, NULL);
}
};
Firebird::GlobalPtr<Strings> cleanStrings;
const char* circularAlloc(const char* s, unsigned len)
{
return getThreadBuffer()->alloc(s, len);
}
// CVC: Do not let "perm" be incremented before "trans", because it may lead to serious memory errors,
// since our code blindly passes the same vector twice.
void makePermanentVector(ISC_STATUS* perm, const ISC_STATUS* trans) throw()
{
try
{
while (true)
{
const ISC_STATUS type = *perm++ = *trans++;
switch (type)
{
case isc_arg_end:
return;
case isc_arg_cstring:
{
perm [-1] = isc_arg_string;
const size_t len = *trans++;
const char* temp = reinterpret_cast<char*>(*trans++);
*perm++ = (ISC_STATUS)(IPTR) circularAlloc(temp, len);
}
break;
case isc_arg_string:
case isc_arg_interpreted:
case isc_arg_sql_state:
{
const char* temp = reinterpret_cast<char*>(*trans++);
const size_t len = strlen(temp);
*perm++ = (ISC_STATUS)(IPTR) circularAlloc(temp, len);
}
break;
default:
*perm++ = *trans++;
break;
}
}
}
catch (const system_call_failed& ex)
{
memcpy(perm, ex.value(), sizeof(ISC_STATUS_ARRAY));
}
catch (const BadAlloc&)
{
*perm++ = isc_arg_gds;
*perm++ = isc_virmemexh;
*perm++ = isc_arg_end;
}
catch (...)
{
*perm++ = isc_arg_gds;
*perm++ = isc_random;
*perm++ = isc_arg_string;
*perm++ = (ISC_STATUS)(IPTR) "Unexpected exception in makePermanentVector()";
*perm++ = isc_arg_end;
}
}
} // anonymous namespace
void makePermanentVector(ISC_STATUS* v) throw()
{
makePermanentVector(v, v);
}
#ifdef WIN_NT
namespace Why
{
// This is called from ibinitdll.cpp:DllMain()
void threadCleanup()
{
ThreadCleanup::destructor(NULL);
}
}
#endif