Function dump

src/yvalve/utl.cpp:235–278

}

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 (bool cond = true; cond; )
	{
		unsigned l = 0;
		switch (blob->getSegment(status, short_length, buffer, &l))
		{
		case Firebird::IStatus::RESULT_ERROR:
		case Firebird::IStatus::RESULT_NO_DATA:
			cond = false;
			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,