/*
* Class: com_kenai_jffi_Foreign
* Method: dlopen
* Signature: (Ljava/lang/String;I)J
*/
JNIEXPORT jlong JNICALL
Java_com_kenai_jffi_Foreign_dlopen(JNIEnv* env, jobject self, jstring jPath, jint jFlags)
{
#ifdef _WIN32
wchar_t path[PATH_MAX];
getWideString(env, path, jstr, sizeof(path) / sizeof(path[0]));
return p2j(LoadLibraryExW(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH));
#else
char path_[PATH_MAX];
const char* path = NULL; // Handle dlopen(NULL, flags);
int flags = 0;
#define F(x) (jFlags & com_kenai_jffi_Foreign_RTLD_##x) != 0 ? RTLD_##x : 0;
flags |= F(LAZY);
flags |= F(GLOBAL);
flags |= F(LOCAL);
flags |= F(NOW);
#undef F
#ifdef _AIX
flags |= RTLD_MEMBER; // Needed for AIX
#endif
if (jPath != NULL) {
path = path_;
getMultibyteString(env, path_, jPath, sizeof(path_));
}
return p2j(dl_open(path, flags));
#endif
}
JNIEXPORT jlong JNICALL
Java_com_kenai_jffi_Foreign_dlsym(JNIEnv* env, jclass cls, jlong handle, jstring jstr)
{
char sym[1024];
getMultibyteString(env, sym, jstr, sizeof(sym));
#ifndef _WIN32
dlerror(); // clear any errors
#endif
return p2j(dl_sym(j2p(handle), sym));
}
/*
* Class: com_kenai_jffi_Foreign
* Method: dlopen
* Signature: (Ljava/lang/String;I)J
*/
JNIEXPORT jlong JNICALL
Java_com_kenai_jffi_Foreign_dlopen(JNIEnv* env, jobject self, jstring jPath, jint jFlags)
{
#ifdef _WIN32
if (jPath == NULL) {
return p2j(GetModuleHandle(NULL));
} else {
wchar_t path[PATH_MAX];
DWORD dwFlags;
getWideString(env, path, jPath, sizeof(path) / sizeof(path[0]));
dwFlags = PathIsRelativeW(path) ? 0 : LOAD_WITH_ALTERED_SEARCH_PATH;
return p2j(LoadLibraryExW(path, NULL, dwFlags));
}
#else
char path_[PATH_MAX];
const char* path = NULL; // Handle dlopen(NULL, flags);
void* handle = NULL;
int flags = 0;
#define F(x) (jFlags & com_kenai_jffi_Foreign_RTLD_##x) != 0 ? RTLD_##x : 0;
flags |= F(LAZY);
flags |= F(GLOBAL);
flags |= F(LOCAL);
flags |= F(NOW);
#undef F
#ifdef _AIX
flags |= RTLD_MEMBER; // Needed for AIX
#endif
if (jPath != NULL) {
path = path_;
getMultibyteString(env, path_, jPath, sizeof(path_));
}
handle = dl_open(path, flags);
if (handle == NULL) {
char errbuf[1024] = { 0 };
dl_error(errbuf, sizeof(errbuf) - 1);
throwException(env, UnsatisfiedLink, "%s", errbuf);
}
return p2j(handle);
#endif
}
JNIEXPORT jlong JNICALL
Java_com_kenai_jffi_Foreign_dlsym(JNIEnv* env, jclass cls, jlong handle, jstring jstr)
{
char sym[1024];
void* addr;
getMultibyteString(env, sym, jstr, sizeof(sym));
#ifndef _WIN32
dlerror(); // clear any errors
#endif
addr = dl_sym(j2p(handle), sym);
if (addr == NULL) {
char errbuf[1024] = { 0 };
dl_error(errbuf, sizeof(errbuf) - 1);
throwException(env, UnsatisfiedLink, "%s", errbuf);
}
return p2j(addr);
}
