64 lines
886 B
C
64 lines
886 B
C
|
#ifdef _WIN32
|
||
|
|
#include <windows.h>
|
||
|
|
HINSTANCE library = NULL;
|
||
|
|
#else
|
||
|
|
#include <dlfcn.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
void *library = NULL;
|
||
|
|
#endif
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
int loadLib(const char *filename) {
|
||
|
|
if (library)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
if (!filename || strlen(filename) == 0)
|
||
|
|
return -2;
|
||
|
|
|
||
|
|
#ifdef _WIN32
|
||
|
|
library = LoadLibrary(filename);
|
||
|
|
#else
|
||
|
|
library = dlopen(filename, RTLD_NOW | RTLD_LOCAL);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (!library)
|
||
|
|
return -3;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int unloadLib()
|
||
|
|
{
|
||
|
|
int retval;
|
||
|
|
if (!library)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
#ifdef _WIN32
|
||
|
|
retval = FreeLibrary(library);
|
||
|
|
#else
|
||
|
|
retval = dlclose(library);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
library = NULL;
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
void *getFunction(const char *funcname) {
|
||
|
|
void* retval;
|
||
|
|
|
||
|
|
if (!library) {
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef _WIN32
|
||
|
|
retval = GetProcAddress(library, funcname);
|
||
|
|
#else
|
||
|
|
retval = dlsym(library, funcname);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (!retval)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
return retval;
|
||
|
|
}
|