common/dynload.cpp

   1
   2 #include "config.h"
   3
   4 #include "dynload.h"
   5
   6 #include "strutils.h"
   7
   8 #ifdef _WIN32
   9 #define WIN32_LEAN_AND_MEAN
  10 #include <windows.h>
  11
  12 void *LoadLib(const char *name)
  13 {
  14     std::wstring wname{utf8_to_wstr(name)};
  15     return LoadLibraryW(wname.c_str());
  16 }
  17 void CloseLib(void *handle)
  18 { FreeLibrary(static_cast<HMODULE>(handle)); }
  19 void *GetSymbol(void *handle, const char *name)
  20 { return reinterpret_cast<void*>(GetProcAddress(static_cast<HMODULE>(handle), name)); }
  21
  22 #elif defined(HAVE_DLFCN_H)
  23
  24 #include <dlfcn.h>
  25
  26 void *LoadLib(const char *name)
  27 {
  28     dlerror();
  29     void *handle{dlopen(name, RTLD_NOW)};
  30     const char *err{dlerror()};
  31     if(err) handle = nullptr;
  32     return handle;
  33 }
  34 void CloseLib(void *handle)
  35 { dlclose(handle); }
  36 void *GetSymbol(void *handle, const char *name)
  37 {
  38     dlerror();
  39     void *sym{dlsym(handle, name)};
  40     const char *err{dlerror()};
  41     if(err) sym = nullptr;
  42     return sym;
  43 }
  44 #endif