node_binding-inl.h

#ifndef SRC_NODE_BINDING_INL_H_
#define SRC_NODE_BINDING_INL_H_

#include "node_binding.h"

namespace node {

namespace binding {

inline DLib::DLib(const char* filename, int flags)
    : filename_(filename), flags_(flags), handle_(nullptr) {}

#ifdef __POSIX__
inline bool DLib::Open() {
  handle_ = dlopen(filename_.c_str(), flags_);
  if (handle_ != nullptr) return true;
  errmsg_ = dlerror();
  return false;
}

inline void DLib::Close() {
  if (handle_ == nullptr) return;
  dlclose(handle_);
  handle_ = nullptr;
}

inline void* DLib::GetSymbolAddress(const char* name) {
  return dlsym(handle_, name);
}
#else   // !__POSIX__
inline bool DLib::Open() {
  int ret = uv_dlopen(filename_.c_str(), &lib_);
  if (ret == 0) {
    handle_ = static_cast<void*>(lib_.handle);
    return true;
  }
  errmsg_ = uv_dlerror(&lib_);
  uv_dlclose(&lib_);
  return false;
}

inline void DLib::Close() {
  if (handle_ == nullptr) return;
  uv_dlclose(&lib_);
  handle_ = nullptr;
}

inline void* DLib::GetSymbolAddress(const char* name) {
  void* address;
  if (0 == uv_dlsym(&lib_, name, &address)) return address;
  return nullptr;
}
#endif  // !__POSIX__

}  // end of namespace binding

}  // end of namespace node

#endif  // SRC_NODE_BINDING_INL_H_