bool
FirebirdDriver::initialize()
{
if (_library != NULL)
return true;
FirebirdConfig config;
if (!config.load())
return error("Can't read firebird.cfg file");
// Set firebird install directory
#ifdef WIN32
SetEnvironmentVariable("INTERBASE", parseDir(config.installDir));
SetEnvironmentVariable("FIREBIRD", parseDir(config.installDir));
#else
setenv("INTERBASE", parseDir(config.installDir), true);
setenv("FIREBIRD", parseDir(config.installDir), true);
#endif
// Try to load the library
QLibrary* library = new QLibrary(config.library);
if (!library->load()) {
libraryError();
delete library;
return error("Can't load firebird library: " + config.library);
}
_library = library;
_procs = new FirebirdProcs(_library);
return true;
}
int
main(int ac, const char** av)
{
const unsigned PropHeaderSize = 5;
const unsigned HeaderSize = 13;
SizeT inSize = SYMBOL(end) - SYMBOL(start);
int32_t outSize32 = read4(SYMBOL(start) + PropHeaderSize);
SizeT outSize = outSize32;
uint8_t* out = static_cast<uint8_t*>(malloc(outSize));
if (out) {
ISzAlloc allocator = { myAllocate, myFree };
ELzmaStatus status = LZMA_STATUS_NOT_SPECIFIED;
if (SZ_OK == LzmaDecode
(out, &outSize, SYMBOL(start) + HeaderSize, &inSize, SYMBOL(start),
PropHeaderSize, LZMA_FINISH_END, &status, &allocator))
{
const unsigned BufferSize = 1024;
char buffer[BufferSize];
const char* name = temporaryFileName(buffer, BufferSize);
if (name) {
int file = open(name, O_CREAT | O_EXCL | O_WRONLY | O_BINARY, S_IRWXU);
if (file != -1) {
SizeT result = write(file, out, outSize);
free(out);
if (close(file) == 0 and outSize == result) {
void* library = openLibrary(name);
unlink(name);
if (library) {
void* main = librarySymbol(library, "avianMain");
if (main) {
int (*mainFunction)(const char*, int, const char**);
memcpy(&mainFunction, &main, sizeof(void*));
return mainFunction(name, ac, av);
} else {
fprintf(stderr, "unable to find main in %s", name);
}
} else {
fprintf(stderr, "unable to load %s: %s\n", name,
libraryError(library));
}
} else {
unlink(name);
fprintf(stderr, "close or write failed; tried %d, got %d; %s\n",
static_cast<int>(outSize), static_cast<int>(result),
strerror(errno));
}
} else {
fprintf(stderr, "unable to open %s\n", name);
}
} else {
fprintf(stderr, "unable to make temporary file name\n");
}
} else {
fprintf(stderr, "unable to decode LZMA data\n");
}
} else {
fprintf(stderr, "unable to allocate buffer of size %d\n",
static_cast<int>(outSize));
}
return -1;
}
void Kernel::launchInitPhase(void)
{
LibraryHandle handle = loadLibrary(m_initFilename);
if( ! handle )
throw std::system_error(EACCES, std::system_category(), m_initFilename + m_moduleExtension + ", " + libraryError() );
IKernel::InitFunction fct = (IKernel::InitFunction) searchSymbol(handle, "init");
if( ! fct )
throw std::system_error(ENOEXEC, std::system_category(), m_initFilename + m_moduleExtension + ", " + libraryError() );
fct( *this);
closeLibrary(handle);
}
