/* * File system functions */ JNIEXPORT void JNICALL Java_net_rubygrapefruit_platform_internal_jni_PosixFileSystemFunctions_listFileSystems(JNIEnv *env, jclass target, jobject info, jobject result) { int fs_count = getfsstat(NULL, 0, MNT_NOWAIT); if (fs_count < 0) { mark_failed_with_errno(env, "could not stat file systems", result); return; } size_t len = fs_count * sizeof(struct statfs); struct statfs* buf = (struct statfs*)malloc(len); if (getfsstat(buf, len, MNT_NOWAIT) < 0 ) { mark_failed_with_errno(env, "could not stat file systems", result); free(buf); return; } jclass info_class = env->GetObjectClass(info); jmethodID method = env->GetMethodID(info_class, "add", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZZZ)V"); for (int i = 0; i < fs_count; i++) { jboolean caseSensitive = JNI_TRUE; jboolean casePreserving = JNI_TRUE; jstring mount_point = char_to_java(env, buf[i].f_mntonname, result); jstring file_system_type = char_to_java(env, buf[i].f_fstypename, result); jstring device_name = char_to_java(env, buf[i].f_mntfromname, result); jboolean remote = (buf[i].f_flags & MNT_LOCAL) == 0; env->CallVoidMethod(info, method, mount_point, file_system_type, device_name, remote, caseSensitive, casePreserving); } free(buf); }
/* * File system functions */ JNIEXPORT void JNICALL Java_net_rubygrapefruit_platform_internal_jni_PosixFileSystemFunctions_listFileSystems(JNIEnv *env, jclass target, jobject info, jobject result) { FILE *fp = setmntent(MOUNTED, "r"); if (fp == NULL) { mark_failed_with_errno(env, "could not open mount file", result); return; } char buf[1024]; struct mntent mount_info; jclass info_class = env->GetObjectClass(info); jmethodID method = env->GetMethodID(info_class, "add", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Z)V"); while (getmntent_r(fp, &mount_info, buf, sizeof(buf)) != NULL) { jstring mount_point = char_to_java(env, mount_info.mnt_dir, result); jstring file_system_type = char_to_java(env, mount_info.mnt_type, result); jstring device_name = char_to_java(env, mount_info.mnt_fsname, result); env->CallVoidMethod(info, method, mount_point, file_system_type, device_name, JNI_FALSE); } endmntent(fp); }