-/*
- * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v. 2.0, which is available at
- * http://www.eclipse.org/legal/epl-2.0.
- *
- * This Source Code may also be made available under the following Secondary
- * Licenses when the conditions for such availability set forth in the
- * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
- * version 2 with the GNU Classpath Exception, which is available at
- * https://www.gnu.org/software/classpath/license.html.
- *
- * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
- */
-
-#include <jni.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-extern int _fcntl();
-
-#include "com_sun_mail_mbox_UNIXFile.h"
-
-static jfieldID IO_fd_fdID;
-static int fd_offset;
-
-/*
- * Class: com_sun_mail_mbox_UNIXFile
- * Method: initIDs
- * Signature: (Ljava/lang/Class;Ljava/io/FileDescriptor;)V
- */
-JNIEXPORT void JNICALL
-Java_com_sun_mail_mbox_UNIXFile_initIDs(JNIEnv *env, jclass ufClass,
- jclass fdClass, jobject stdin_obj)
-{
- IO_fd_fdID = (*env)->GetFieldID(env, fdClass, "fd", "I");
- /*
- * Because pre-JDK 1.2 stored the "fd" as one more than
- * its actual value, we remember the value it stored for
- * stdin, which should be zero, and use it as the offset
- * for other fd's we extract.
- */
- fd_offset = (*env)->GetIntField(env, stdin_obj, IO_fd_fdID);
-}
-
-/*
- * Class: com_sun_mail_mbox_UNIXFile
- * Method: lock0
- * Signature: (Ljava/io/FileDescriptor;Ljava/lang/String;Z)Z
- */
-JNIEXPORT jboolean JNICALL
-Java_com_sun_mail_mbox_UNIXFile_lock0(JNIEnv *env, jclass clazz,
- jobject fdobj, jstring umode, jboolean block)
-{
- int fd;
- const char *mode;
- static struct flock flock0;
- struct flock flock = flock0;
-
- fd = (*env)->GetIntField(env, fdobj, IO_fd_fdID);
- fd -= fd_offset;
- /* XXX - a lot of work to examine one character in a string */
- mode = (*env)->GetStringUTFChars(env, umode, 0);
- flock.l_type = mode[1] == 'w' ? F_WRLCK : F_RDLCK;
- (*env)->ReleaseStringUTFChars(env, umode, mode);
- flock.l_whence = SEEK_SET;
- flock.l_start = 0;
- flock.l_len = 0;
- return (_fcntl(fd, block ? F_SETLKW : F_SETLK, &flock) == 0 ?
- JNI_TRUE : JNI_FALSE);
-}
-
-/*
- * Class: com_sun_mail_mbox_UNIXFile
- * Method: lastAccessed0
- * Signature: (Ljava/lang/String;)J
- */
-JNIEXPORT jlong JNICALL
-Java_com_sun_mail_mbox_UNIXFile_lastAccessed0(JNIEnv *env, jclass clazz,
- jstring uname)
-{
- const char *name;
- jlong ret = -1;
- struct stat st;
-
- name = (*env)->GetStringUTFChars(env, uname, 0);
- if (stat(name, &st) == 0) {
- /*
- * Should be...
- ret = (jlong)st.st_atim.tv_sec * 1000 +
- st.st_atim.tv_nsec / 1000000;
- * but for compatibility with lastModified we use...
- */
- ret = (jlong)st.st_atime * 1000;
- }
- (*env)->ReleaseStringUTFChars(env, uname, name);
- return ret;
-}