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#include "../include/xnvctrl.h"
#include "../include/library_loader.h"
#include <string.h>
#include <stdio.h>
#include <dlfcn.h>
bool gsr_xnvctrl_load(gsr_xnvctrl *self, Display *display) {
memset(self, 0, sizeof(gsr_xnvctrl));
self->display = display;
dlerror(); /* clear */
void *lib = dlopen("libXNVCtrl.so.0", RTLD_LAZY);
if(!lib) {
fprintf(stderr, "gsr error: gsr_xnvctrl_load failed: failed to load libXNVCtrl.so.0, error: %s\n", dlerror());
return false;
}
const dlsym_assign required_dlsym[] = {
{ (void**)&self->XNVCTRLQueryExtension, "XNVCTRLQueryExtension" },
{ (void**)&self->XNVCTRLSetTargetAttributeAndGetStatus, "XNVCTRLSetTargetAttributeAndGetStatus" },
{ (void**)&self->XNVCTRLQueryValidTargetAttributeValues, "XNVCTRLQueryValidTargetAttributeValues" },
{ (void**)&self->XNVCTRLQueryTargetStringAttribute, "XNVCTRLQueryTargetStringAttribute" },
{ NULL, NULL }
};
if(!dlsym_load_list(lib, required_dlsym)) {
fprintf(stderr, "gsr error: gsr_xnvctrl_load failed: missing required symbols in libXNVCtrl.so.0\n");
goto fail;
}
self->library = lib;
return true;
fail:
dlclose(lib);
memset(self, 0, sizeof(gsr_xnvctrl));
return false;
}
void gsr_xnvctrl_unload(gsr_xnvctrl *self) {
if(self->library) {
dlclose(self->library);
memset(self, 0, sizeof(gsr_xnvctrl));
}
}
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