588 dir = (*my_fdopendir_func)((int)dfd);
589 if (dir == NULL) {
590 throwUnixException(env, errno);
591 }
592 return ptr_to_jlong(dir);
593 }
594
595 JNIEXPORT void JNICALL
596 Java_sun_nio_fs_UnixNativeDispatcher_closedir(JNIEnv* env, jclass this, jlong dir) {
597 int err;
598 DIR* dirp = jlong_to_ptr(dir);
599
600 RESTARTABLE(closedir(dirp), err);
601 if (errno == -1) {
602 throwUnixException(env, errno);
603 }
604 }
605
606 JNIEXPORT jbyteArray JNICALL
607 Java_sun_nio_fs_UnixNativeDispatcher_readdir(JNIEnv* env, jclass this, jlong value) {
608 char entry[sizeof(struct dirent64) + PATH_MAX + 1];
609 struct dirent64* ptr = (struct dirent64*)&entry;
610 struct dirent64* result;
611 int res;
612 DIR* dirp = jlong_to_ptr(value);
613
614 /* EINTR not listed as a possible error */
615 /* TDB: reentrant version probably not required here */
616 res = readdir64_r(dirp, ptr, &result);
617 if (res != 0) {
618 throwUnixException(env, res);
619 return NULL;
620 } else {
621 if (result == NULL) {
622 return NULL;
623 } else {
624 jsize len = strlen(ptr->d_name);
625 jbyteArray bytes = (*env)->NewByteArray(env, len);
626 if (bytes != NULL) {
627 (*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)(ptr->d_name));
628 }
629 return bytes;
630 }
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588 dir = (*my_fdopendir_func)((int)dfd);
589 if (dir == NULL) {
590 throwUnixException(env, errno);
591 }
592 return ptr_to_jlong(dir);
593 }
594
595 JNIEXPORT void JNICALL
596 Java_sun_nio_fs_UnixNativeDispatcher_closedir(JNIEnv* env, jclass this, jlong dir) {
597 int err;
598 DIR* dirp = jlong_to_ptr(dir);
599
600 RESTARTABLE(closedir(dirp), err);
601 if (errno == -1) {
602 throwUnixException(env, errno);
603 }
604 }
605
606 JNIEXPORT jbyteArray JNICALL
607 Java_sun_nio_fs_UnixNativeDispatcher_readdir(JNIEnv* env, jclass this, jlong value) {
608 struct dirent64* result;
609 struct {
610 struct dirent64 buf;
611 char name_extra[PATH_MAX + 1 - sizeof result->d_name];
612 } entry;
613 struct dirent64* ptr = &entry.buf;
614 int res;
615 DIR* dirp = jlong_to_ptr(value);
616
617 /* EINTR not listed as a possible error */
618 /* TDB: reentrant version probably not required here */
619 res = readdir64_r(dirp, ptr, &result);
620 if (res != 0) {
621 throwUnixException(env, res);
622 return NULL;
623 } else {
624 if (result == NULL) {
625 return NULL;
626 } else {
627 jsize len = strlen(ptr->d_name);
628 jbyteArray bytes = (*env)->NewByteArray(env, len);
629 if (bytes != NULL) {
630 (*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)(ptr->d_name));
631 }
632 return bytes;
633 }
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