lldb/packages/Python/lldbsuite/test/make/dylib.h

   1 #ifndef LLDB_TEST_DYLIB_H
   2 #define LLDB_TEST_DYLIB_H
   3
   4 #include <stdio.h>
   5
   6 #ifdef _WIN32
   7 #include <Windows.h>
   8
   9 #define dylib_get_symbol(handle, name) GetProcAddress((HMODULE)handle, name)
  10 #define dylib_close(handle) (!FreeLibrary((HMODULE)handle))
  11 #else
  12 #include <dlfcn.h>
  13
  14 #define dylib_get_symbol(handle, name) dlsym(handle, name)
  15 #define dylib_close(handle) dlclose(handle)
  16 #endif
  17
  18
  19 inline void *dylib_open(const char *name) {
  20   char dylib_prefix[] =
  21 #ifdef _WIN32
  22     "";
  23 #else
  24     "lib";
  25 #endif
  26   char dylib_suffix[] =
  27 #ifdef _WIN32
  28     ".dll";
  29 #elif defined(__APPLE__)
  30     ".dylib";
  31 #else
  32     ".so";
  33 #endif
  34   char fullname[1024];
  35   snprintf(fullname, sizeof(fullname), "%s%s%s", dylib_prefix, name, dylib_suffix);
  36 #ifdef _WIN32
  37   return LoadLibraryA(fullname);
  38 #else
  39   return dlopen(fullname, RTLD_NOW);
  40 #endif
  41 }
  42
  43 inline const char *dylib_last_error() {
  44 #ifndef _WIN32
  45   return dlerror();
  46 #else
  47   DWORD err = GetLastError();
  48   char *msg;
  49   FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
  50       NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char *)&msg, 0, NULL);
  51   return msg;
  52 #endif
  53 }
  54
  55 #endif