글쓴이 :이종대 1998년 12월 17일 18:22:33
아래부문에 글을 잘못 올려서 다시 올립니다.
밑에 있는 소스는 '자바21일 완성'이라는 책에 있는 것으로
native class 를 테스트하기 위해 만든 것입니다.
/************************************************************************/
OS : UNIX
Webserver : Netscape Enterprise Server3.0
JDK : Solaris JDK1.1.4
JDK home dir : /idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk
Netscape home dir : /edisk11/netscape/doc
Work dir : /edisk11/netscape/doc
/************************ SimpleFile.java *******************************/
public class SimpleFile{
public static final char separatorChar = '>';
protected String path;
protected int fd;
public SimpleFile(String s){
path = s;
}
public String getFileName(){
int index = path.lastIndexOf(separatorChar);
return(index < 0) ? path : path.substring(index + 1);
}
public String getPath(){
return path;
}
public native boolean open();
public native void close();
public native int read(byte[] buffer, int length);
public native int write(byte[] buffer, int length);
static{
System.loadLibrary("simple");
}
}
/********************* SimpleFileNative.c *******************************/
#include "SimpleFile.h"
#include <sys/param.h>
#include <fcntl.h>
#define LOCAL_PATH_SEPARATOR '/'
static void fixSeparators(char *p){
for(; *p != '\0'; ++p)
if(*p == SimpleFile_separatorChar)
*p = LOCAL_PATH_SEPARATOR;
}
long SimpleFile_open(struct HSimpleFile *this){
int fd;
char buffer[MAXPATHLEN];
javaString2CString(unhand(this)->path, buffer, sizeof(buffer));
fixSeparators(buffer);
if((fd = open(buffer, O_REWR | O_CREAT, 0664)) < 0)
return(FALSE);
unhand(this)->fd = fd;
return(TRUE);
}
void SimpleFile_close(struct HSimpleFile * this){
close(unhand(this)->fd);
unhand(this)->fd = -1;
}
long SimpleFile_read(struct HSimpleFile *this, HArrayOfByte *buffer, long count){
char *data = unhand(buffer)->body;
int length = obj_length(buffer);
int numBytes = (length < count ? length : count);
if((numBytes = read(unhand(this)->fd, data, numBytes)) == 0)
return(-1);
return(numBytes);
}
long SimpleFile_write(struct HSimpleFile *this, HArrayOfByte *buffer, long count){
char *data = unhand(buffer)->body;
int length = obj_length(buffer);
return(write(unhand(this)->fd, data, (length < count ? length : count)));
}
/****************************** 실행************************************/
diiis-sun% javac SimpleFile.java
diiis-sun% javah SimpleFile
diiis-sun% javah -stubs SimpleFile
diiis-sun% cc -G -I/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include \
-I/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/solaris \
SimpleFileNative.c SimpleFile.c -o Libsimple.so
SimpleFileNative.c:
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: invalid token: ##
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: undefined or not a type: java_lang_Object
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: warning: "typedef" valid only for function declaratn
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: invalid token: ##
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: undefined symbol: Class
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: syntax error before or at: java_lang_Object
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: cannot recover from previous errors
SimpleFile.c:
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: invalid token: ##
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: undefined or not a type: java_lang_Object
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: warning: "typedef" valid only for function declaratn
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: invalid token: ##
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: undefined symbol: Class
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: syntax error before or at: java_lang_Object
"/idisk1/oracle8/app/oracle/product/8.0.4/ows/4.0/jdk/include/oobj.h", line 56: cannot recover from previous errors
/************************************************************************/
위와 같이 컴파일 결과가 나왔습니다.
제가 컴파일을 잘못한것인지 아니면 JDK 버전이 낮아서 그런건지
하여튼 oobj.h 를 고칠수도 없고 해서
여러분의 충고를 듣고자 합니다.
이번주까지 어떤식으로든 결과가 나와야 되는 부분입니다.
자바 매니아님들의 많은 충고 부탁드립니다.
(추신 : 꼭좀 도와주세요! 그리고 무사히 끝나면 소주 한잔 합시다.)