22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include "jni.h"
27 #include "jni_util.h"
28 #include "jlong.h"
29 #include "jvm.h"
30
31 #include "io_util.h"
32 #include "io_util_md.h"
33 #include "java_io_RandomAccessFile.h"
34
35 #include <fcntl.h>
36
37 /*
38 * static method to store field ID's in initializers
39 */
40
41 jfieldID raf_fd; /* id for jobject 'fd' in java.io.RandomAccessFile */
42
43 JNIEXPORT void JNICALL
44 Java_java_io_RandomAccessFile_initIDs(JNIEnv *env, jclass fdClass) {
45 raf_fd = (*env)->GetFieldID(env, fdClass, "fd", "Ljava/io/FileDescriptor;");
46 }
47
48
49 JNIEXPORT void JNICALL
50 Java_java_io_RandomAccessFile_open0(JNIEnv *env,
51 jobject this, jstring path, jint mode)
52 {
53 int flags = 0;
54 if (mode & java_io_RandomAccessFile_O_RDONLY)
55 flags = O_RDONLY;
56 else if (mode & java_io_RandomAccessFile_O_RDWR) {
57 flags = O_RDWR | O_CREAT;
58 if (mode & java_io_RandomAccessFile_O_SYNC)
59 flags |= O_SYNC;
60 else if (mode & java_io_RandomAccessFile_O_DSYNC)
61 flags |= O_DSYNC;
62 }
63 #ifdef WIN32
64 if (mode & java_io_RandomAccessFile_O_TEMPORARY)
65 flags |= O_TEMPORARY;
66 #endif
67 fileOpen(env, this, path, raf_fd, flags);
68 }
69
70 JNIEXPORT jint JNICALL
71 Java_java_io_RandomAccessFile_read0(JNIEnv *env, jobject this) {
72 return readSingle(env, this, raf_fd);
73 }
74
75 JNIEXPORT jint JNICALL
76 Java_java_io_RandomAccessFile_readBytes(JNIEnv *env,
77 jobject this, jbyteArray bytes, jint off, jint len) {
78 return readBytes(env, this, bytes, off, len, raf_fd);
79 }
80
81 JNIEXPORT void JNICALL
82 Java_java_io_RandomAccessFile_write0(JNIEnv *env, jobject this, jint byte) {
83 writeSingle(env, this, byte, JNI_FALSE, raf_fd);
84 }
85
86 JNIEXPORT void JNICALL
87 Java_java_io_RandomAccessFile_writeBytes(JNIEnv *env,
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22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include "jni.h"
27 #include "jni_util.h"
28 #include "jlong.h"
29 #include "jvm.h"
30
31 #include "io_util.h"
32 #include "io_util_md.h"
33 #include "java_io_RandomAccessFile.h"
34
35 #include <fcntl.h>
36
37 /*
38 * static method to store field ID's in initializers
39 */
40
41 jfieldID raf_fd; /* id for jobject 'fd' in java.io.RandomAccessFile */
42 jfieldID raf_pgsz; /* id for jobject 'pageSize' in java.io.RandomAccessFile */
43
44 JNIEXPORT void JNICALL
45 Java_java_io_RandomAccessFile_initIDs(JNIEnv *env, jclass fdClass) {
46 raf_fd = (*env)->GetFieldID(env, fdClass, "fd", "Ljava/io/FileDescriptor;");
47 raf_pgsz = (*env)->GetFieldID(env, fdClass, "pageSize", "I");
48 }
49
50 JNIEXPORT jint JNICALL
51 Java_java_io_RandomAccessFile_read0(JNIEnv *env, jobject this) {
52 return readSingle(env, this, raf_fd);
53 }
54
55 JNIEXPORT jint JNICALL
56 Java_java_io_RandomAccessFile_readBytes(JNIEnv *env,
57 jobject this, jbyteArray bytes, jint off, jint len) {
58 return readBytes(env, this, bytes, off, len, raf_fd);
59 }
60
61 JNIEXPORT void JNICALL
62 Java_java_io_RandomAccessFile_write0(JNIEnv *env, jobject this, jint byte) {
63 writeSingle(env, this, byte, JNI_FALSE, raf_fd);
64 }
65
66 JNIEXPORT void JNICALL
67 Java_java_io_RandomAccessFile_writeBytes(JNIEnv *env,
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