74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
#include "core/loadlib.hpp"
|
|
#include "core/command.hpp"
|
|
#include <stdexcept>
|
|
#include <sstream>
|
|
|
|
namespace {
|
|
function_ptr_command<arg_filename> load_lib("load-library", "Load a library",
|
|
"Syntax: load-library <file>\nLoad library <file>\n",
|
|
[](arg_filename args) throw(std::bad_alloc, std::runtime_error) {
|
|
try {
|
|
load_library(args);
|
|
} catch(std::exception& e) {
|
|
std::ostringstream x;
|
|
x << "Can't load '" << std::string(args) << "': " << e.what();
|
|
throw std::runtime_error(x.str());
|
|
}
|
|
});
|
|
}
|
|
|
|
#if !defined(NO_DLFCN) && !defined(_WIN32) && !defined(_WIN64)
|
|
#include <dlfcn.h>
|
|
void load_library(const std::string& filename)
|
|
{
|
|
char buffer[16384];
|
|
getcwd(buffer, 16383);
|
|
std::string _filename = filename;
|
|
if(filename.find_first_of("/") >= filename.length())
|
|
_filename = buffer + std::string("/") + filename;
|
|
void* h = dlopen(_filename.c_str(), RTLD_LOCAL | RTLD_NOW);
|
|
if(!h)
|
|
throw std::runtime_error(dlerror());
|
|
}
|
|
extern const bool load_library_supported = true;
|
|
#ifdef __APPLE__
|
|
const char* library_is_called = "Dynamic Library";
|
|
#else
|
|
const char* library_is_called = "Shared Object";
|
|
#endif
|
|
#elif defined(_WIN32) || defined(_WIN64)
|
|
#include <windows.h>
|
|
void load_library(const std::string& filename)
|
|
{
|
|
char buffer[16384];
|
|
GetCurrentDirectory(16383, buffer);
|
|
std::string _filename = filename;
|
|
if(filename.find_first_of("/\\") >= filename.length())
|
|
_filename = buffer + std::string("/") + filename;
|
|
HMODULE h = LoadLibraryA(_filename.c_str());
|
|
if(!h) {
|
|
int errcode = GetLastError();
|
|
char errorbuffer[1024];
|
|
if(FormatMessage(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM, NULL, errcode, 0,
|
|
errorbuffer, sizeof(errorbuffer), NULL))
|
|
throw std::runtime_error(errorbuffer);
|
|
else {
|
|
std::ostringstream str;
|
|
str << "Unknown system error (code " << errcode << ")";
|
|
throw std::runtime_error(str.str());
|
|
}
|
|
}
|
|
}
|
|
extern const bool load_library_supported = true;
|
|
const char* library_is_called = "Dynamic Link Library";
|
|
#else
|
|
void load_library(const std::string& filename)
|
|
{
|
|
throw std::runtime_error("Library loader not supported on this platform");
|
|
}
|
|
extern const bool load_library_supported = false;
|
|
const char* library_is_called = NULL;
|
|
#endif
|
|
|
|
|
|
|