Attachment 156494 Details for Bug 297228 – Patch_v04

[patch] Patch_v04

297228_v04.txt (text/plain), 76.70 KB, created by Pawel Pogorzelski

on 2010-01-19 07:38:13 EST

(hide)

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Creator: Pawel Pogorzelski

Created: 2010-01-19 07:38:13 EST

Size: 76.70 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.core.filesystem
>Index: natives/macosx/Makefile
>===================================================================
>RCS file: natives/macosx/Makefile
>diff -N natives/macosx/Makefile
>--- natives/macosx/Makefile	22 Oct 2009 11:21:03 -0000	1.5
>+++ /dev/null	1 Jan 1970 00:00:00 -0000
>@@ -1,18 +0,0 @@
>-#**********************************************************************
>-# Copyright (c) 2000, 2009 IBM Corporation and others.
>-# All rights reserved. This program and the accompanying materials 
>-# are made available under the terms of the Eclipse Public License v1.0
>-# which accompanies this distribution, and is available at
>-# http://www.eclipse.org/legal/epl-v10.html
>-#********************************************************************** 
>-#
>-# makefile for libcore on MacOS X
>-
>-
>-LIB_NAME = liblocalfile_1_0_0.jnilib
>-
>-core:
>-	cc -I /System/Library/Frameworks/JavaVM.framework/Headers localfile.c -o $(LIB_NAME) -bundle -framework JavaVM -framework CoreServices -arch i386 -arch ppc -arch x86_64 -mmacosx-version-min=10.4
>-
>-clean:
>-	rm *.jnilib
>Index: natives/macosx/localfile.c
>===================================================================
>RCS file: natives/macosx/localfile.c
>diff -N natives/macosx/localfile.c
>--- natives/macosx/localfile.c	16 Dec 2009 11:59:58 -0000	1.7
>+++ /dev/null	1 Jan 1970 00:00:00 -0000
>@@ -1,425 +0,0 @@
>-/*******************************************************************************
>- * Copyright (c) 2000, 2009 IBM Corporation and others.
>- * All rights reserved. This program and the accompanying materials 
>- * are made available under the terms of the Eclipse Public License v1.0
>- * which accompanies this distribution, and is available at
>- * http://www.eclipse.org/legal/epl-v10.html
>- * 
>- * Contributors:
>- *     IBM Corporation - initial API and implementation
>- * 	  Andre Weinand (OTI Labs)
>- *******************************************************************************/
>-
>-#include <jni.h>
>-#include <sys/types.h>
>-#include <sys/stat.h>
>-#include <unistd.h>
>-#include <utime.h>
>-#include <stdlib.h>
>-#include <string.h>
>-
>-#include "../localfile.h"
>-
>-#include <CoreServices/CoreServices.h>
>-
>-#define USE_IMMUTABLE_FLAG 1
>-#define USE_ARCHIVE_FLAG 0
>-#define EFS_SYMLINK_SUPPORT 1
>-
>-mode_t process_umask;
>-
>-/*
>- * Get a null-terminated byte array from a java char array.
>- * The byte array contains UTF8 encoding.
>- * The returned bytearray needs to be freed when not used
>- * anymore. Use free(result) to do that.
>- */
>-static jbyte* getUTF8ByteArray(JNIEnv *env, jcharArray target) {
>-
>-	jchar *temp= (*env)->GetCharArrayElements(env, target, 0);
>-	jsize n= (*env)->GetArrayLength(env, target);
>-	
>-	CFStringRef sr= CFStringCreateWithCharacters(kCFAllocatorDefault, temp, n); 
>-	CFIndex argStringSize= CFStringGetMaximumSizeForEncoding(n, kCFStringEncodingUTF8) + 1;
>-	jbyte *result= (jbyte*) calloc(argStringSize, sizeof(jbyte));
>-	CFStringGetCString(sr, (char*) result, argStringSize, kCFStringEncodingUTF8);
>-	CFRelease(sr);
>-	
>-	(*env)->ReleaseCharArrayElements(env, target, temp, 0);
>-	
>-	return result;
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    nativeAttributes
>- * Signature: ()I
>- */
>-JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_nativeAttributes
>-  (JNIEnv *env, jclass clazz) {
>-#if defined(EFS_SYMLINK_SUPPORT)
>-    return ATTRIBUTE_READ_ONLY | ATTRIBUTE_EXECUTABLE | ATTRIBUTE_SYMLINK | ATTRIBUTE_LINK_TARGET;
>-#else
>-    return ATTRIBUTE_READ_ONLY | ATTRIBUTE_EXECUTABLE;
>-#endif
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalIsUnicode
>- * Signature: ()Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalIsUnicode
>-  (JNIEnv *env, jclass clazz) {
>-	return JNI_TRUE;	// MacOS X supports Unicode-based file names in UTF-8 encoding
>-}
>-
>-/*
>- * Converts a stat structure to IFileInfo 
>- */
>-jboolean convertStatToFileInfo (JNIEnv *env, struct stat info, jobject fileInfo) {
>-    jclass cls;
>-    jmethodID mid;
>-    jboolean readOnly;
>-
>-    cls = (*env)->GetObjectClass(env, fileInfo);
>-    if (cls == 0) return JNI_FALSE;
>-
>-	// select interesting information
>-	//exists
>-    mid = (*env)->GetMethodID(env, cls, "setExists", "(Z)V");
>-    if (mid == 0) return JNI_FALSE;
>-    (*env)->CallVoidMethod(env, fileInfo, mid, JNI_TRUE);
>-	
>-	// last modified
>-    mid = (*env)->GetMethodID(env, cls, "setLastModified", "(J)V");
>-    if (mid == 0) return JNI_FALSE;
>-    (*env)->CallVoidMethod(env, fileInfo, mid, ((jlong) info.st_mtime) * 1000); /* lower bits */
>-
>-	// file length
>-    mid = (*env)->GetMethodID(env, cls, "setLength", "(J)V");
>-    if (mid == 0) return JNI_FALSE;
>-    (*env)->CallVoidMethod(env, fileInfo, mid, (jlong)info.st_size);
>-
>-	// folder or file?
>-	if (S_ISDIR(info.st_mode)) {
>-	    mid = (*env)->GetMethodID(env, cls, "setAttribute", "(IZ)V");
>-	    if (mid == 0) return JNI_FALSE;
>-	    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_DIRECTORY, JNI_TRUE);
>-    }
>-
>-	// read-only?
>-	readOnly = (info.st_mode & S_IWRITE) != S_IWRITE;
>-#if USE_IMMUTABLE_FLAG
>-	if (!readOnly && ((info.st_flags & (UF_IMMUTABLE | SF_IMMUTABLE)) != 0))
>-		readOnly = true;
>-#endif
>-	if (readOnly) {
>-	    mid = (*env)->GetMethodID(env, cls, "setAttribute", "(IZ)V");
>-	    if (mid == 0) return JNI_FALSE;
>-	    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_READ_ONLY, JNI_TRUE);
>-    }
>-
>-#if USE_ARCHIVE_FLAG
>-	// archive?
>-	if ((info.st_flags & SF_ARCHIVED) == SF_ARCHIVED) {
>-	    mid = (*env)->GetMethodID(env, cls, "setAttribute", "(IZ)V");
>-	    if (mid == 0) return JNI_FALSE;
>-	    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_ARCHIVE, JNI_TRUE);
>-	}
>-#endif
>-
>-	// executable?
>-    if ((info.st_mode & S_IXUSR) == S_IXUSR) {
>-	    mid = (*env)->GetMethodID(env, cls, "setAttribute", "(IZ)V");
>-	    if (mid == 0) return JNI_FALSE;
>-	    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_EXECUTABLE, JNI_TRUE);
>-    }
>-	return JNI_TRUE;
>-}
>-
>-#if defined(EFS_SYMLINK_SUPPORT)
>-/*
>- * Set symbolic link information in IFileInfo 
>- */
>-jboolean setSymlinkInFileInfo (JNIEnv *env, jobject fileInfo, jstring linkTarget) {
>-    jclass cls;
>-    jmethodID mid;
>-
>-    cls = (*env)->GetObjectClass(env, fileInfo);
>-    if (cls == 0) return JNI_FALSE;
>-
>-    // set symlink attribute
>-    mid = (*env)->GetMethodID(env, cls, "setAttribute", "(IZ)V");
>-    if (mid == 0) return JNI_FALSE;
>-    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_SYMLINK, JNI_TRUE);
>-
>-    // set link target
>-    mid = (*env)->GetMethodID(env, cls, "setStringAttribute", "(ILjava/lang/String;)V");
>-    if (mid == 0) return JNI_FALSE;
>-    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_LINK_TARGET, linkTarget);
>-
>-    return JNI_TRUE;
>-}
>-#endif
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalGetFileInfo
>- * Signature: ([CLorg/eclipse/core/filesystem/IFileInfo;)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalGetFileInfo
>-   (JNIEnv *env, jclass clazz, jbyteArray target, jobject fileInfo) {
>-	// shouldn't ever be called - there is only a Unicode-specific call on MacOS X
>-	return JNI_FALSE;
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalGetFileInfoW
>- * Signature: ([CLorg/eclipse/core/filesystem/IFileInfo;)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalGetFileInfoW
>-   (JNIEnv *env, jclass clazz, jcharArray target, jobject fileInfo) {
>-
>-	struct stat info;
>-	jint code;
>-	jstring linkTarget = NULL;
>-
>-	/* get stat */
>-	char *name= (char*) getUTF8ByteArray(env, target);
>-#if defined(EFS_SYMLINK_SUPPORT)
>-	//do an lstat first to see if it is a symbolic link
>-	code = lstat(name, &info);
>-	if (code == 0 && (S_ISLNK(info.st_mode))) {
>-		//symbolic link: read link target
>-		char buf[PATH_MAX+1];
>-		int len;
>-		len = readlink((const char*)name, buf, PATH_MAX);
>-		if (len>0) {
>-			buf[len]=0;
>-		} else {
>-			buf[0]=0;
>-		}
>-		// Mac OS encodes symlink target using UTF-8, ignoring platform default
>-		linkTarget = (*env)->NewStringUTF(env, buf);
>-		setSymlinkInFileInfo(env, fileInfo, linkTarget);
>-
>-		//stat link target (will fail for broken links)
>-		code = stat((const char*)name, &info);
>-	}
>-#else
>-	code = stat(name, &info);
>-#endif
>-	free(name);
>-
>-	/* test if an error occurred */
>-	if (code == -1)
>-	  return JNI_FALSE;
>-	return convertStatToFileInfo(env, info, fileInfo);
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalCopyAttributes
>- * Signature: ([B[BZ)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalCopyAttributes
>-   (JNIEnv *env, jclass clazz, jbyteArray source, jbyteArray destination, jboolean copyLastModified) {
>-	// shouldn't ever be called - there is only a Unicode-specific call on MacOS X
>-	return JNI_FALSE;   
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalCopyAttributesW
>- * Signature: ([C[CZ)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalCopyAttributesW
>-  (JNIEnv *env, jclass clazz, jcharArray source, jcharArray destination, jboolean copyLastModified) {
>-
>-	struct stat info;
>-	struct utimbuf ut;
>-	int code;
>-	char *sourceFile= (char*) getUTF8ByteArray(env, source);
>-	char *destinationFile= (char*) getUTF8ByteArray(env, destination);
>-
>-	code= stat(sourceFile, &info);
>-	if (code != 0) goto fail;
>-	code= chmod(destinationFile, info.st_mode);
>-	if (code != 0) goto fail;
>-
>-	chflags(destinationFile, info.st_flags);	// ignore return code
>-	if (copyLastModified) {
>-		ut.actime= info.st_atime;
>-		ut.modtime= info.st_mtime;
>-		code= utime(destinationFile, &ut);
>-	}
>-
>-fail:  	
>-	free(sourceFile);
>-	free(destinationFile);
>-	return code == 0;
>-}  
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalSetFileInfo
>- * Signature: ([BLorg/eclipse/core/filesystem/IFileInfo;)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalSetFileInfo
>-  (JNIEnv *env, jclass clazz, jcharArray target, jobject obj) {
>-	// shouldn't ever be called - there is only a Unicode-specific call on MacOS X
>-	return JNI_FALSE;   
>-
>-}
>-
>-mode_t getumask() {
>-	// in case something goes wrong just return 63 which is 0077 in octals
>-	mode_t mask = 63;
>-
>-	int fds[2];
>-	if (pipe(fds) == -1) {
>-		return mask;
>-	}
>-
>-	pid_t child_pid;
>-	child_pid = fork();
>-
>-	if (child_pid == 0) {
>-		// child process
>-		ssize_t bytes_written = 0;
>-		close(fds[0]);
>-		mask = umask(0);
>-		while (1) {
>-			ssize_t written = write(fds[1], &mask + bytes_written, sizeof(mask) - bytes_written);
>-			if (written == -1) {
>-				if (errno != EINTR) {
>-					break;
>-				}
>-			} else {
>-				bytes_written += written;
>-				if (bytes_written == sizeof(mask)) {
>-					break;
>-				}
>-			}
>-		}
>-		close(fds[1]);
>-		_exit(0);
>-	} else if (child_pid != -1) {
>-		// parent process, fork succeded
>-		int stat_loc;
>-		ssize_t bytes_read = 0;
>-		mode_t buf;
>-		close(fds[1]);
>-		while (1) {
>-			ssize_t b_read = read(fds[0], &buf + bytes_read, sizeof(buf) - bytes_read);
>-			if (b_read == -1) {
>-				if (errno != EINTR) {
>-					break;
>-				}
>-			} else {
>-				if (b_read == 0) {
>-					break;
>-				}
>-				bytes_read += b_read;
>-				if (bytes_read == sizeof(mask)) {
>-					break;
>-				}
>-			}
>-		}
>-		if (bytes_read == sizeof(mask)) {
>-			mask = buf;
>-		}
>-		close(fds[0]);
>-		waitpid(child_pid, &stat_loc, 0);
>-	} else {
>-		// parent process, fork failed
>-		close(fds[0]);
>-		close(fds[1]);
>-	}
>-
>-	return mask;
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalSetFileInfoW
>- * Signature: ([BLorg/eclipse/core/filesystem/IFileInfo;)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalSetFileInfoW
>-  (JNIEnv *env, jclass clazz, jcharArray target, jobject obj, jint options) {
>-    jint code = -1;
>-    jmethodID mid;
>-    jboolean executable, readOnly, archive;
>-    jclass cls;
>-
>-    /* find out if we need to set the readonly bit */
>-    cls = (*env)->GetObjectClass(env, obj);
>-    mid = (*env)->GetMethodID(env, cls, "getAttribute", "(I)Z");
>-    if (mid == 0) goto fail;
>-    readOnly = (*env)->CallBooleanMethod(env, obj, mid, ATTRIBUTE_READ_ONLY);
>-
>-    /* find out if we need to set the executable bit */
>-    executable = (*env)->CallBooleanMethod(env, obj, mid, ATTRIBUTE_EXECUTABLE);
>-
>-    /* find out if we need to set the archive bit */
>-    archive = (*env)->CallBooleanMethod(env, obj, mid, ATTRIBUTE_ARCHIVE);
>-
>-	/* get the current permissions */
>-	jbyte *name = getUTF8ByteArray(env, target);
>-    struct stat info;
>-	int result= stat((char*)name, &info);
>-	if (result != 0) goto fail;
>-
>-	/* create the mask for the relevant bits */
>-	mode_t mask = info.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
>-	mode_t oldmask = mask;
>-	int flags = info.st_flags;
>-			
>-#if USE_ARCHIVE_FLAG
>-	if (archive)
>-		flags |= SF_ARCHIVED;						// set archive bit
>-	else
>-		flags &= ~SF_ARCHIVED;					// clear archive bit
>-#endif
>-
>-	if (executable)
>-		mask |= S_IXUSR | ((S_IXGRP | S_IXOTH) & ~process_umask);
>-	else
>-		mask &= ~(S_IXUSR | S_IXGRP | S_IXOTH);	// clear all 'x'
>-		
>-	if (readOnly) {
>-		mask &= ~(S_IWUSR | S_IWGRP | S_IWOTH);	// clear all 'w'		
>-#if USE_IMMUTABLE_FLAG
>-		flags |= UF_IMMUTABLE;					// set immutable flag for usr
>-#endif
>-	} else {
>-		mask |= S_IRUSR | S_IWUSR | ((S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) & ~process_umask);
>-#if USE_IMMUTABLE_FLAG
>-		flags &= ~UF_IMMUTABLE;					// try to clear immutable flags for usr
>-#endif
>-	}	
>-
>-	/* call chmod & chflags syscalls in correct order */
>-	if (readOnly) {
>-		if (mask != oldmask)
>-			result |= chmod((char*)name, mask);
>-		if (flags != info.st_flags)
>-			result |= chflags((char*)name, flags);
>-	} else {
>-		if (flags != info.st_flags)
>-			result |= chflags((char*)name, flags);
>-		if (mask != oldmask)
>-			result |= chmod((char*)name, mask);
>-	}	
>-
>-fail:	
>-	free(name);
>-	return result == 0;
>-}
>-
>-JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
>-	process_umask = getumask();
>-	return JNI_VERSION_1_1;
>-}
>Index: natives/unix/README.TXT
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.filesystem/natives/unix/README.TXT,v
>retrieving revision 1.2
>diff -u -r1.2 README.TXT
>--- natives/unix/README.TXT	27 Apr 2007 15:58:07 -0000	1.2
>+++ natives/unix/README.TXT	19 Jan 2010 12:19:21 -0000
>@@ -1,3 +1,3 @@
> This directory contains the source code for Unix-based platforms,
>-including Linux, HPUX, and Solaris.  These platforms all share the same
>-C source, but have different makefiles and includes
>\ No newline at end of file
>+including AIX, HPUX, Linux, Mac OS X, and Solaris. These platforms
>+all share the same C source, but have different makefiles.
>\ No newline at end of file
>Index: natives/unix/localfile.c
>===================================================================
>RCS file: natives/unix/localfile.c
>diff -N natives/unix/localfile.c
>--- natives/unix/localfile.c	16 Dec 2009 11:59:59 -0000	1.13
>+++ /dev/null	1 Jan 1970 00:00:00 -0000
>@@ -1,404 +0,0 @@
>-/*******************************************************************************
>- * Copyright (c) 2000, 2009 IBM Corporation and others.
>- * All rights reserved. This program and the accompanying materials 
>- * are made available under the terms of the Eclipse Public License v1.0
>- * which accompanies this distribution, and is available at
>- * http://www.eclipse.org/legal/epl-v10.html
>- * 
>- * Contributors:
>- *     IBM Corporation - initial API and implementation
>- *     Red Hat Incorporated - get/setResourceAttribute code
>- * Martin Oberhuber (Wind River) - [170317] add symbolic link support to API
>- * Corey Ashford (IBM) - [177400] fix threading issues on Linux-PPC
>- * Martin Oberhuber (Wind River) - [183137] liblocalfile for solaris-sparc
>- * Martin Oberhuber (Wind River) - [184534] get attributes from native lib
>- *******************************************************************************/
>-#include <jni.h>
>-#include <sys/types.h>
>-#include <sys/stat.h>
>-#include <sys/wait.h>
>-#include <utime.h>
>-#include <stdlib.h>
>-#include <string.h>
>-#include <errno.h>
>-#include "../localfile.h"
>-#include <os_custom.h>
>-
>-mode_t process_umask;
>-
>-/*
>- * Get a null-terminated byte array from a java byte array.
>- * The returned bytearray needs to be freed when not used
>- * anymore. Use free(result) to do that.
>- */
>-jbyte* getByteArray(JNIEnv *env, jbyteArray target) {
>-	jsize n;
>-	jbyte *temp, *result;
>-	
>-	temp = (*env)->GetByteArrayElements(env, target, 0);
>-	n = (*env)->GetArrayLength(env, target);
>-	result = malloc((n+1) * sizeof(jbyte));
>-	memcpy(result, temp, n * sizeof(jbyte));
>-	result[n] = '\0';
>-	(*env)->ReleaseByteArrayElements(env, target, temp, 0);
>-	return result;
>-}
>-
>-#if defined(EFS_SYMLINK_SUPPORT)
>-/*
>- * Get a Java String from a java byte array, using the default charset.
>- * Uses Convert.fromPlatformBytes([B).
>- */
>-jstring getString(JNIEnv *env, jbyteArray source) {
>-	static jclass clsConvert = 0;
>-	jmethodID midFromPlatformBytes = 0;
>-    if (clsConvert == 0) {
>-    	clsConvert = (*env)->FindClass(env, "org/eclipse/core/internal/filesystem/local/Convert");
>-    	if (clsConvert == 0) return NULL;
>-        // Ensure class isn't garbage collected between calls to this function.
>-        clsConvert = (*env)->NewGlobalRef(env, clsConvert);
>-    }
>-   	midFromPlatformBytes = (*env)->GetStaticMethodID(env, clsConvert, "fromPlatformBytes", "([B)Ljava/lang/String;");
>-   	if (midFromPlatformBytes == 0) return NULL;
>-    return (*env)->CallStaticObjectMethod(env, clsConvert, midFromPlatformBytes, source);
>-}
>-#endif
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    nativeAttributes
>- * Signature: ()I
>- */
>-JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_nativeAttributes
>-  (JNIEnv *env, jclass clazz) {
>-#if defined(EFS_SYMLINK_SUPPORT)
>-    return ATTRIBUTE_READ_ONLY | ATTRIBUTE_EXECUTABLE | ATTRIBUTE_SYMLINK | ATTRIBUTE_LINK_TARGET;
>-#else
>-    return ATTRIBUTE_READ_ONLY | ATTRIBUTE_EXECUTABLE;
>-#endif
>-}
>-
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalIsUnicode
>- * Signature: ()Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalIsUnicode
>-  (JNIEnv *env, jclass clazz) {
>-  	// no specific support for Unicode-based file names on *nix
>-	return JNI_FALSE;
>-}
>-
>-/*
>- * Converts a stat structure to IFileInfo 
>- */
>-jboolean convertStatToFileInfo (JNIEnv *env, struct stat info, jobject fileInfo) {
>-    jclass cls;
>-    jmethodID mid;
>-
>-    cls = (*env)->GetObjectClass(env, fileInfo);
>-    if (cls == 0) return JNI_FALSE;
>-
>-	// select interesting information
>-	//exists
>-    mid = (*env)->GetMethodID(env, cls, "setExists", "(Z)V");
>-    if (mid == 0) return JNI_FALSE;
>-    (*env)->CallVoidMethod(env, fileInfo, mid, JNI_TRUE);
>-	
>-	// last modified
>-    mid = (*env)->GetMethodID(env, cls, "setLastModified", "(J)V");
>-    if (mid == 0) return JNI_FALSE;
>-    (*env)->CallVoidMethod(env, fileInfo, mid, ((jlong) info.st_mtime) * 1000); /* lower bits */
>-
>-	// file length
>-    mid = (*env)->GetMethodID(env, cls, "setLength", "(J)V");
>-    if (mid == 0) return JNI_FALSE;
>-    (*env)->CallVoidMethod(env, fileInfo, mid, (jlong)info.st_size);
>-
>-	// folder or file?
>-	if (S_ISDIR(info.st_mode)) {
>-	    mid = (*env)->GetMethodID(env, cls, "setAttribute", "(IZ)V");
>-	    if (mid == 0) return JNI_FALSE;
>-	    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_DIRECTORY, JNI_TRUE);
>-    }
>-
>-	// read-only?
>-	if ((info.st_mode & S_IWRITE) != S_IWRITE) {
>-	    mid = (*env)->GetMethodID(env, cls, "setAttribute", "(IZ)V");
>-	    if (mid == 0) return JNI_FALSE;
>-	    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_READ_ONLY, JNI_TRUE);
>-    }
>-
>-	// executable?
>-    if ((info.st_mode & S_IXUSR) == S_IXUSR) {
>-	    mid = (*env)->GetMethodID(env, cls, "setAttribute", "(IZ)V");
>-	    if (mid == 0) return JNI_FALSE;
>-	    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_EXECUTABLE, JNI_TRUE);
>-    }
>-
>-	return JNI_TRUE;
>-}
>-
>-#if defined(EFS_SYMLINK_SUPPORT)
>-/*
>- * Set symbolic link information in IFileInfo 
>- */
>-jboolean setSymlinkInFileInfo (JNIEnv *env, jobject fileInfo, jstring linkTarget) {
>-    jclass cls;
>-    jmethodID mid;
>-
>-    cls = (*env)->GetObjectClass(env, fileInfo);
>-    if (cls == 0) return JNI_FALSE;
>-
>-    // set symlink attribute
>-    mid = (*env)->GetMethodID(env, cls, "setAttribute", "(IZ)V");
>-    if (mid == 0) return JNI_FALSE;
>-    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_SYMLINK, JNI_TRUE);
>-    
>-    // set link target
>-    mid = (*env)->GetMethodID(env, cls, "setStringAttribute", "(ILjava/lang/String;)V");
>-    if (mid == 0) return JNI_FALSE;
>-    (*env)->CallVoidMethod(env, fileInfo, mid, ATTRIBUTE_LINK_TARGET, linkTarget);
>-}
>-#endif
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalGetFileInfo
>- * Signature: ([CLorg/eclipse/core/filesystem/IFileInfo;)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalGetFileInfo
>-   (JNIEnv *env, jclass clazz, jbyteArray target, jobject fileInfo) {
>-	struct stat info;
>-	jlong result;
>-	jint code;
>-	jbyte *name;
>-	jstring linkTarget = NULL;
>-
>-	/* get stat */
>-	name = getByteArray(env, target);
>-#if defined(EFS_SYMLINK_SUPPORT)
>-	//do an lstat first to see if it is a symbolic link
>-	code = lstat((const char*)name, &info);
>-	if (code == 0 && S_ISLNK(info.st_mode)) {
>-		//symbolic link: read link target
>-		char buf[PATH_MAX+1];
>-		int len;
>-		jbyteArray barr;
>-		len = readlink((const char*)name, buf, PATH_MAX);
>-		if (len>0) {
>-			barr = (*env)->NewByteArray(env, len);
>-			(*env)->SetByteArrayRegion(env, barr, 0, len, buf);
>-		} else {
>-			barr = (*env)->NewByteArray(env, 0);
>-		}
>-		linkTarget = getString(env, barr);
>-		setSymlinkInFileInfo(env, fileInfo, linkTarget);
>-
>-		//stat link target (will fail for broken links)
>-		code = stat((const char*)name, &info);
>-	}
>-#else
>-	code = stat((const char*)name, &info);
>-#endif
>-	free(name);
>-
>-	/* test if an error occurred */
>-	if (code == -1)
>-	  return 0;
>-	return convertStatToFileInfo(env, info, fileInfo);
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalGetFileInfoW
>- * Signature: ([CLorg/eclipse/core/filesystem/IFileInfo;)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalGetFileInfoW
>-   (JNIEnv *env, jclass clazz, jcharArray target, jobject fileInfo) {
>-	// shouldn't ever be called - there is no Unicode-specific calls on *nix
>-	return JNI_FALSE;
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalCopyAttributes
>- * Signature: ([B[BZ)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalCopyAttributes
>-   (JNIEnv *env, jclass clazz, jbyteArray source, jbyteArray destination, jboolean copyLastModified) {
>-
>-  struct stat info;
>-  struct utimbuf ut;
>-  jbyte *sourceFile, *destinationFile;
>-  jint code;
>-
>-  sourceFile = getByteArray(env, source);
>-  destinationFile = getByteArray(env, destination);
>-
>-  code = stat((const char*)sourceFile, &info);
>-  if (code == 0) {
>-    code = chmod((const char*)destinationFile, info.st_mode);
>-    if (code == 0 && copyLastModified) {
>-      ut.actime = info.st_atime;
>-      ut.modtime = info.st_mtime;
>-      code = utime((const char*)destinationFile, &ut);
>-    }
>-  }
>-
>-  free(sourceFile);
>-  free(destinationFile);
>-  return code != -1;
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalCopyAttributesW
>- * Signature: ([C[CZ)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalCopyAttributesW
>-  (JNIEnv *env, jclass clazz, jcharArray source, jcharArray destination, jboolean copyLastModified) {
>-	// shouldn't ever be called - there is no Unicode-specific calls on *nix
>-	return JNI_FALSE;
>-}
>-
>-mode_t getumask() {
>-	// in case something goes wrong just return 63 which is 0077 in octals
>-	mode_t mask = 63; 
>-
>-	int fds[2];
>-	if (pipe(fds) == -1) {
>-		return mask;
>-	}
>-
>-	pid_t child_pid;
>-	child_pid = fork();
>-
>-	if (child_pid == 0) {
>-		// child process
>-		ssize_t bytes_written = 0;
>-		close(fds[0]);
>-		mask = umask(0);
>-		while (1) {
>-			ssize_t written = write(fds[1], &mask + bytes_written, sizeof(mask) - bytes_written);
>-			if (written == -1) {
>-				if (errno != EINTR) {
>-					break;
>-				}
>-			} else {
>-				bytes_written += written;
>-				if (bytes_written == sizeof(mask)) {
>-					break;
>-				}
>-			}
>-		}
>-		close(fds[1]);
>-		_exit(0);
>-	} else if (child_pid != -1) {
>-		// parent process, fork succeded
>-		int stat_loc;
>-		ssize_t bytes_read = 0;
>-		mode_t buf;
>-		close(fds[1]);
>-		while (1) {
>-			ssize_t b_read = read(fds[0], &buf + bytes_read, sizeof(buf) - bytes_read);
>-			if (b_read == -1) {
>-				if (errno != EINTR) {
>-					break;
>-				}
>-			} else {
>-				if (b_read == 0) {
>-					break;
>-				}
>-				bytes_read += b_read;
>-				if (bytes_read == sizeof(mask)) {
>-					break;
>-				}
>-			}
>-		}
>-		if (bytes_read == sizeof(mask)) {
>-			mask = buf;
>-		}
>-		close(fds[0]);
>-		waitpid(child_pid, &stat_loc, 0);
>-	} else {
>-		// parent process, fork failed
>-		close(fds[0]);
>-		close(fds[1]);
>-	}
>-
>-	return mask;
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalSetFileInfo
>- * Signature: ([BLorg/eclipse/core/filesystem/IFileInfo;)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalSetFileInfo
>-  (JNIEnv *env, jclass clazz, jcharArray target, jobject obj) {
>-
>-    mode_t mask;
>-    struct stat info;
>-    jbyte *name;
>-    jint code = -1;
>-    jmethodID mid;
>-    jboolean executable, readOnly;
>-    jclass cls;
>-
>-    /* find out if we need to set the readonly bit */
>-    cls = (*env)->GetObjectClass(env, obj);
>-    mid = (*env)->GetMethodID(env, cls, "getAttribute", "(I)Z");
>-    if (mid == 0) goto fail;
>-    readOnly = (*env)->CallBooleanMethod(env, obj, mid, ATTRIBUTE_READ_ONLY);
>-
>-    /* find out if we need to set the executable bit */
>-    executable = (*env)->CallBooleanMethod(env, obj, mid, ATTRIBUTE_EXECUTABLE);
>-
>-    /* get the current permissions */
>-    name = getByteArray(env, target);
>-    code = stat((const char*)name, &info);
>-
>-    /* create the mask */
>-    mask = S_IRUSR |
>-	       S_IWUSR |
>-	       S_IXUSR |
>-           S_IRGRP |
>-           S_IWGRP |
>-           S_IXGRP |
>-           S_IROTH |
>-           S_IWOTH |
>-           S_IXOTH;
>-    mask &= info.st_mode;
>-    if (executable)
>-	    mask |= S_IXUSR | ((S_IXGRP | S_IXOTH) & ~process_umask);
>-    else
>-	    mask &= ~(S_IXUSR | S_IXGRP | S_IXOTH);
>-	if (readOnly)
>-	    mask &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
>-	else
>-	    mask |= S_IRUSR | S_IWUSR | ((S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) & ~process_umask);
>-    /* write the permissions */
>-    code = chmod((const char*)name, mask);
>-
>-fail:
>-	if (name) free(name);
>-    return code != -1;
>-}
>-
>-/*
>- * Class:     org_eclipse_core_internal_filesystem_local_LocalFileNatives
>- * Method:    internalSetFileInfoW
>- * Signature: ([BLorg/eclipse/core/filesystem/IFileInfo;)Z
>- */
>-JNIEXPORT jboolean JNICALL Java_org_eclipse_core_internal_filesystem_local_LocalFileNatives_internalSetFileInfoW
>-  (JNIEnv *env, jclass clazz, jcharArray target, jobject obj, jint options) {
>-	// shouldn't ever be called - there is no Unicode-specific calls on *nix
>-	return JNI_FALSE;
>-}
>-
>-JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
>-	process_umask = getumask();
>-	return JNI_VERSION_1_1;
>-}
>Index: natives/unix/linux/Makefile
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.filesystem/natives/unix/linux/Makefile,v
>retrieving revision 1.4
>diff -u -r1.4 Makefile
>--- natives/unix/linux/Makefile	19 Nov 2009 15:43:05 -0000	1.4
>+++ natives/unix/linux/Makefile	19 Jan 2010 12:19:21 -0000
>@@ -1,32 +1,37 @@
>-#**********************************************************************
>-# Copyright (c) 2000, 2009 IBM Corporation and others.
>-# All rights reserved. This program and the accompanying materials 
>+#******************************************************************************
>+# Copyright (c) 2010 IBM Corporation and others.
>+# All rights reserved. This program and the accompanying materials
> # are made available under the terms of the Eclipse Public License v1.0
> # which accompanies this distribution, and is available at
> # http://www.eclipse.org/legal/epl-v10.html
>-#********************************************************************** 
> #
>-# makefile for libcore.so
>+# Contributors:
>+#     IBM Corporation - initial API and implementation
>+#******************************************************************************/
>+#
>+# makefile for libunixfile_1_0_0.so
> 
>-CORE.C = ../localfile.c
>-CORE.O = localfile.o
>-LIB_NAME = liblocalfile.so
>-LIB_NAME_FULL = liblocalfile_1_0_0.so
>+CORE.C = ../unixfile.c
>+CORE.O = unixfile.o
>+LIB_NAME = libunixfile.so
>+LIB_NAME_FULL = libunixfile_1_0_0.so
> 
> #Set this to be your OS type
> OS_TYPE = linux
> 
> #Set this to be the location of your JRE
>-JAVA_HOME = ~/vm/sun142
>+JAVA_HOME = /usr/lib/jvm/java-1.5.0-ibm-1.5.0.9/
> 
> JDK_INCLUDE = -I ${JAVA_HOME}/include -I ${JAVA_HOME}/include/${OS_TYPE}
>-COMMON_INCLUDE = -I include
>-#OPT_FLAGS=-g
> OPT_FLAGS=-O -s -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
> 
>-core :
>-	gcc $(OPT_FLAGS) -fPIC -c $(JDK_INCLUDE) $(COMMON_INCLUDE) -o $(CORE.O) $(CORE.C)
>+core:
>+	gcc $(OPT_FLAGS) -fPIC -c $(JDK_INCLUDE) -o $(CORE.O) $(CORE.C)
> 	gcc $(OPT_FLAGS) -shared -Wl,-soname,$(LIB_NAME) -o $(LIB_NAME_FULL) $(CORE.O) -lc
> 
>-clean :
>+clean:
> 	rm -f $(CORE.O) $(LIB_NAME_FULL)
>+
>+install: core
>+	rm -f ../../../../org.eclipse.core.filesystem.linux.x86/os/linux/x86/libunixfile_1_0_0.so
>+	mv libunixfile_1_0_0.so ../../../../org.eclipse.core.filesystem.linux.x86/os/linux/x86/
>Index: natives/unix/linux/include/os_custom.h
>===================================================================
>RCS file: natives/unix/linux/include/os_custom.h
>diff -N natives/unix/linux/include/os_custom.h
>--- natives/unix/linux/include/os_custom.h	23 Apr 2007 16:32:09 -0000	1.2
>+++ /dev/null	1 Jan 1970 00:00:00 -0000
>@@ -1,23 +0,0 @@
>-/***********************************************************************
>-* Copyright (c) 2005, 2007 IBM Corporation and others.
>-* All rights reserved. This program and the accompanying materials 
>-* are made available under the terms of the Eclipse Public License v1.0
>-* which accompanies this distribution, and is available at
>-* http://www.eclipse.org/legal/epl-v10.html
>-* 
>-* Contributors:
>-*     IBM Corporation - initial API and implementation
>-* Martin Oberhuber (Wind River) - [183137] liblocalfile for solaris-sparc
>-***********************************************************************/
>-
>-/* Use this directive when introducing platform-specific code in localfile.c */
>-#ifndef LINUX
>-#define LINUX
>-#endif
>-
>-/* Linux supports reading symbolic links */
>-#ifndef EFS_SYMLINK_SUPPORT
>-#define EFS_SYMLINK_SUPPORT
>-#endif
>-#include <limits.h>
>-#include <unistd.h>
>Index: natives/unix/macosx/Makefile
>===================================================================
>RCS file: natives/unix/macosx/Makefile
>diff -N natives/unix/macosx/Makefile
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ natives/unix/macosx/Makefile	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,30 @@
>+#******************************************************************************
>+# Copyright (c) 2010 IBM Corporation and others.
>+# All rights reserved. This program and the accompanying materials
>+# are made available under the terms of the Eclipse Public License v1.0
>+# which accompanies this distribution, and is available at
>+# http://www.eclipse.org/legal/epl-v10.html
>+#
>+# Contributors:
>+#     IBM Corporation - initial API and implementation
>+#******************************************************************************/
>+#
>+# makefile for libunixfile_1_0_0.jnilib
>+
>+CORE.C=../unixfile.c
>+LIB_NAME_FULL=libunixfile_1_0_0.jnilib
>+
>+JDK_INCLUDE=-I /System/Library/Frameworks/JavaVM.framework/Headers
>+FRAMEWORKS=-framework JavaVM -framework CoreServices
>+# define MACOSX to include Mac OS X specific code
>+CC_FLAGS=-arch i386 -arch ppc -arch x86_64 -mmacosx-version-min=10.4 -DMACOSX
>+
>+core:
>+	cc $(JDK_INCLUDE) $(CORE.C) -o $(LIB_NAME_FULL) -bundle $(FRAMEWORKS) $(CC_FLAGS)
>+
>+clean:
>+	rm -f $(LIB_NAME_FULL)
>+
>+install:
>+	rm -f ../../../../org.eclipse.core.filesystem.macosx/os/macosx/$(LIB_NAME_FULL)
>+	mv $(LIB_NAME_FULL) ../../../../org.eclipse.core.filesystem.macosx/os/macosx/
>Index: natives/unix/unixfile.c
>===================================================================
>RCS file: natives/unix/unixfile.c
>diff -N natives/unix/unixfile.c
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ natives/unix/unixfile.c	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,244 @@
>+/*******************************************************************************
>+ * Copyright (c) 2010 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ *     IBM Corporation - initial API and implementation
>+ *******************************************************************************/
>+
>+#include <stdlib.h>
>+#include <string.h>
>+#include <sys/types.h>
>+#include <sys/stat.h>
>+#include <unistd.h>
>+#include <errno.h>
>+#include <limits.h>
>+#include <jni.h>
>+
>+#if defined MACOSX
>+#include <CoreServices/CoreServices.h>
>+#endif
>+
>+#include "unixfile.h"
>+
>+/*
>+ * Get a null-terminated byte array from a java byte array. The returned bytearray
>+ * needs to be freed when not used anymore. Use free(result) to do that.
>+ */
>+jbyte* getByteArray(JNIEnv *env, jbyteArray target)
>+{
>+	jsize len;
>+	jbyte *temp, *result;
>+
>+	temp = (*env)->GetByteArrayElements(env, target, 0);
>+	len = (*env)->GetArrayLength(env, target);
>+	result = malloc((len + 1) * sizeof(jbyte));
>+	memcpy(result, temp, len * sizeof(jbyte));
>+	result[len] = '\0';
>+	(*env)->ReleaseByteArrayElements(env, target, temp, 0);
>+	return result;
>+}
>+
>+/*
>+ * Fills StructStat object with data from struct stat.
>+ */
>+jint convertStatToObject(JNIEnv *env, struct stat info, jobject stat_object)
>+{
>+	jclass cls;
>+	jfieldID fid;
>+	jboolean readOnly;
>+
>+	cls = (*env)->GetObjectClass(env, stat_object);
>+	if (cls == 0) return -1;
>+
>+	fid = (*env)->GetFieldID(env, cls, "st_mode", "I");
>+	if (fid == 0) return -1;
>+	(*env)->SetIntField(env, stat_object, fid, info.st_mode);
>+
>+	fid = (*env)->GetFieldID(env, cls, "st_size", "J");
>+	if (fid == 0) return -1;
>+	(*env)->SetLongField(env, stat_object, fid, info.st_size);
>+
>+	fid = (*env)->GetFieldID(env, cls, "st_mtime", "J");
>+	if (fid == 0) return -1;
>+	(*env)->SetLongField(env, stat_object, fid, info.st_mtime);
>+
>+#ifdef MACOSX
>+	fid = (*env)->GetFieldID(env, cls, "st_flags", "J");
>+	if (fid == 0) return -1;
>+	(*env)->SetLongField(env, stat_object, fid, info.st_flags);
>+#endif
>+
>+	return 0;
>+}
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    chmod
>+ * Signature: ([BI)I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_chmod
>+  (JNIEnv *env, jclass clazz, jbyteArray path, jint mode)
>+{
>+	int code;
>+	char *name;
>+
>+	name = (char*) getByteArray(env, path);
>+	code = chmod(name, mode);
>+	free(name);
>+	return code;
>+}
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    chflags
>+ * Signature: ([BI)I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_chflags
>+  (JNIEnv *env, jclass clazz, jbyteArray path, jint flags)
>+{
>+#ifdef MACOSX
>+	int code;
>+	char *name;
>+
>+	name = (char*) getByteArray(env, path);
>+	code = chflags(name, flags);
>+	free(name);
>+	return code;
>+#else
>+	return -1;
>+#endif
>+}
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    stat
>+ * Signature: ([BLorg/eclipse/core/internal/filesystem/local/unix/StructStat;)I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_stat
>+  (JNIEnv *env, jclass clazz, jbyteArray path, jobject buf)
>+{
>+	jint code;
>+	char *name;
>+	struct stat info;
>+
>+	name = (char*) getByteArray(env, path);
>+	code = stat(name, &info);
>+	free(name);
>+	if (code != -1)
>+		return convertStatToObject(env, info, buf);
>+	else
>+		return code;
>+}
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    lstat
>+ * Signature: ([BLorg/eclipse/core/internal/filesystem/local/unix/StructStat;)I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_lstat
>+  (JNIEnv *env, jclass clazz, jbyteArray path, jobject buf)
>+{
>+	jint code;
>+	char *name;
>+	struct stat info;
>+
>+	name = (char*) getByteArray(env, path);
>+	code = lstat(name, &info);
>+	free(name);
>+	if (code != -1)
>+		return convertStatToObject(env, info, buf);
>+	else
>+		return code;
>+}
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    readlink
>+ * Signature: ([B[BJ)J
>+ */
>+JNIEXPORT jlong JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_readlink
>+    (JNIEnv *env, jclass clazz, jbyteArray path, jbyteArray buf, jlong bufsiz) {
>+	jint code;
>+ 	char *name;
>+ 	ssize_t len;
>+	char temp[PATH_MAX+1];
>+	jstring linkTarget = NULL;
>+
>+	name = getByteArray(env, path);
>+  	len = readlink((const char*)name, temp, PATH_MAX);
>+  	free(name);
>+	if (len > 0) {
>+		temp[len] = 0;
>+		(*env)->SetByteArrayRegion(env, buf, 0, len, temp);
>+	}
>+	else {
>+		temp[0] = 0;
>+		(*env)->SetByteArrayRegion(env, buf, 0, 0, temp);
>+	}
>+	return len;
>+}
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    errno
>+ * Signature: ()I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_errno
>+  (JNIEnv *env, jclass clazz)
>+{
>+	return errno;
>+}
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    libattr
>+ * Signature: ()I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_libattr
>+  (JNIEnv *env, jclass clazz)
>+{
>+#ifdef MACOSX
>+	return UNICODE_SUPPORTED | CHFLAGS_SUPPORTED;
>+#else
>+	return 0;
>+#endif
>+}
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    tounicode
>+ * Signature: ([C)[B
>+ */
>+JNIEXPORT jbyteArray JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_tounicode
>+  (JNIEnv *env, jclass clazz, jcharArray buf)
>+{
>+#ifdef MACOSX
>+	jchar *temp;
>+	jsize length;
>+	CFStringRef str_ref;
>+	CFIndex str_size;
>+	jbyte *unicode_bytes;
>+	jbyteArray ret;
>+
>+	temp = (*env)->GetCharArrayElements(env, buf, 0);
>+	length = (*env)->GetArrayLength(env, buf);
>+	str_ref = CFStringCreateWithCharacters(kCFAllocatorDefault, temp, length);
>+	str_size = CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8) + 1;
>+	unicode_bytes = (jbyte*) calloc(str_size, sizeof(jbyte));
>+	CFStringGetCString(str_ref, (char*) unicode_bytes, str_size, kCFStringEncodingUTF8);
>+	ret = (*env)->NewByteArray(env, str_size);
>+	if (ret == NULL)
>+		return NULL;
>+	(*env)->SetByteArrayRegion(env, ret, 0, str_size, unicode_bytes);
>+	CFRelease(str_ref);
>+	(*env)->ReleaseCharArrayElements(env, buf, temp, 0);
>+	free(unicode_bytes);
>+	return ret;
>+#else
>+	return NULL;
>+#endif
>+}
>Index: natives/unix/unixfile.h
>===================================================================
>RCS file: natives/unix/unixfile.h
>diff -N natives/unix/unixfile.h
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ natives/unix/unixfile.h	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,105 @@
>+/*******************************************************************************
>+ * Copyright (c) 2010 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ *     IBM Corporation - initial API and implementation
>+ *******************************************************************************/
>+#include <jni.h>
>+
>+#undef UNICODE_SUPPORTED
>+#define UNICODE_SUPPORTED 1L
>+#undef CHFLAGS_SUPPORTED
>+#define CHFLAGS_SUPPORTED 2L
>+
>+/*
>+ * Get a null-terminated byte array from a java byte array. The returned bytearray
>+ * needs to be freed when not used anymore. Use free(result) to do that.
>+ */
>+jbyte* getByteArray(JNIEnv *, jbyteArray);
>+
>+/*
>+ * Fills StructStat object with data from struct stat.
>+ */
>+jint convertStatToObject(JNIEnv *, struct stat, jobject);
>+
>+/* DO NOT EDIT THIS FILE - it is machine generated */
>+
>+/* Header for class org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives */
>+
>+#ifndef _Included_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+#define _Included_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+#ifdef __cplusplus
>+extern "C" {
>+#endif
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    chmod
>+ * Signature: ([BI)I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_chmod
>+  (JNIEnv *, jclass, jbyteArray, jint);
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    chflags
>+ * Signature: ([BI)I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_chflags
>+  (JNIEnv *, jclass, jbyteArray, jint);
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    stat
>+ * Signature: ([BLorg/eclipse/core/internal/filesystem/local/unix/StructStat;)I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_stat
>+  (JNIEnv *, jclass, jbyteArray, jobject);
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    lstat
>+ * Signature: ([BLorg/eclipse/core/internal/filesystem/local/unix/StructStat;)I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_lstat
>+  (JNIEnv *, jclass, jbyteArray, jobject);
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    readlink
>+ * Signature: ([B[BJ)J
>+ */
>+JNIEXPORT jlong JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_readlink
>+  (JNIEnv *, jclass, jbyteArray, jbyteArray, jlong);
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    errno
>+ * Signature: ()I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_errno
>+  (JNIEnv *, jclass);
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    libattr
>+ * Signature: ()I
>+ */
>+JNIEXPORT jint JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_libattr
>+  (JNIEnv *, jclass);
>+
>+/*
>+ * Class:     org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives
>+ * Method:    tounicode
>+ * Signature: ([C)[B
>+ */
>+JNIEXPORT jbyteArray JNICALL Java_org_eclipse_core_internal_filesystem_local_unix_UnixFileNatives_tounicode
>+  (JNIEnv *, jclass, jcharArray);
>+
>+#ifdef __cplusplus
>+}
>+#endif
>+#endif
>Index: src/org/eclipse/core/filesystem/EFS.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.filesystem/src/org/eclipse/core/filesystem/EFS.java,v
>retrieving revision 1.16
>diff -u -r1.16 EFS.java
>--- src/org/eclipse/core/filesystem/EFS.java	7 Apr 2008 08:55:40 -0000	1.16
>+++ src/org/eclipse/core/filesystem/EFS.java	19 Jan 2010 12:19:35 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2005, 2008 IBM Corporation and others.
>+ * Copyright (c) 2005, 2010 IBM Corporation and others.
>  * All rights reserved. This program and the accompanying materials
>  * are made available under the terms of the Eclipse Public License v1.0
>  * which accompanies this distribution, and is available at
>@@ -114,6 +114,126 @@
> 	public static final int ATTRIBUTE_READ_ONLY = 1 << 1;
> 
> 	/**
>+	 * Attribute constant (value 1 &lt;&lt;21) indicating that a
>+	 * file is marked with immutable flag.
>+	 * 
>+	 * @see IFileStore#fetchInfo()
>+	 * @see IFileStore#putInfo(IFileInfo, int, IProgressMonitor)
>+	 * @see IFileInfo#getAttribute(int)
>+	 * @see IFileInfo#setAttribute(int, boolean)
>+	 * @since org.eclipse.core.filesystem 1.3
>+	 */
>+	public static final int ATTRIBUTE_IMMUTABLE = 1 << 21;
>+
>+	/**
>+	 * Attribute constant (value 1 &lt;&lt;22) indicating that a
>+	 * file's owner has a read permission.
>+	 * 
>+	 * @see IFileStore#fetchInfo()
>+	 * @see IFileStore#putInfo(IFileInfo, int, IProgressMonitor)
>+	 * @see IFileInfo#getAttribute(int)
>+	 * @see IFileInfo#setAttribute(int, boolean)
>+	 * @since org.eclipse.core.filesystem 1.3
>+	 */
>+	public static final int ATTRIBUTE_OWNER_READ = 1 << 22;
>+
>+	/**
>+	 * Attribute constant (value 1 &lt;&lt;23) indicating that
>+	 * file's owner has a write permission.
>+	 * 
>+	 * @see IFileStore#fetchInfo()
>+	 * @see IFileStore#putInfo(IFileInfo, int, IProgressMonitor)
>+	 * @see IFileInfo#getAttribute(int)
>+	 * @see IFileInfo#setAttribute(int, boolean)
>+	 * @since org.eclipse.core.filesystem 1.3
>+	 */
>+	public static final int ATTRIBUTE_OWNER_WRITE = 1 << 23;
>+
>+	/**
>+	 * Attribute constant (value 1 &lt;&lt;24) indicating that
>+	 * file's owner has an execute permission.
>+	 * 
>+	 * @see IFileStore#fetchInfo()
>+	 * @see IFileStore#putInfo(IFileInfo, int, IProgressMonitor)
>+	 * @see IFileInfo#getAttribute(int)
>+	 * @see IFileInfo#setAttribute(int, boolean)
>+	 * @since org.eclipse.core.filesystem 1.3
>+	 */
>+	public static final int ATTRIBUTE_OWNER_EXECUTE = 1 << 24;
>+
>+	/**
>+	 * Attribute constant (value 1 &lt;&lt;25) indicating that
>+	 * users in file's group have a read permission.
>+	 * 
>+	 * @see IFileStore#fetchInfo()
>+	 * @see IFileStore#putInfo(IFileInfo, int, IProgressMonitor)
>+	 * @see IFileInfo#getAttribute(int)
>+	 * @see IFileInfo#setAttribute(int, boolean)
>+	 * @since org.eclipse.core.filesystem 1.3
>+	 */
>+	public static final int ATTRIBUTE_GROUP_READ = 1 << 25;
>+
>+	/**
>+	 * Attribute constant (value 1 &lt;&lt;26) indicating that
>+	 * users in file's group have a write permission.
>+	 * 
>+	 * @see IFileStore#fetchInfo()
>+	 * @see IFileStore#putInfo(IFileInfo, int, IProgressMonitor)
>+	 * @see IFileInfo#getAttribute(int)
>+	 * @see IFileInfo#setAttribute(int, boolean)
>+	 * @since org.eclipse.core.filesystem 1.3
>+	 */
>+	public static final int ATTRIBUTE_GROUP_WRITE = 1 << 26;
>+
>+	/**
>+	 * Attribute constant (value 1 &lt;&lt;27) indicating that
>+	 * users in file's group have an execute permission.
>+	 * 
>+	 * @see IFileStore#fetchInfo()
>+	 * @see IFileStore#putInfo(IFileInfo, int, IProgressMonitor)
>+	 * @see IFileInfo#getAttribute(int)
>+	 * @see IFileInfo#setAttribute(int, boolean)
>+	 * @since org.eclipse.core.filesystem 1.3
>+	 */
>+	public static final int ATTRIBUTE_GROUP_EXECUTE = 1 << 27;
>+
>+	/**
>+	 * Attribute constant (value 1 &lt;&lt;28) indicating that
>+	 * other users have a read permission.
>+	 * 
>+	 * @see IFileStore#fetchInfo()
>+	 * @see IFileStore#putInfo(IFileInfo, int, IProgressMonitor)
>+	 * @see IFileInfo#getAttribute(int)
>+	 * @see IFileInfo#setAttribute(int, boolean)
>+	 * @since org.eclipse.core.filesystem 1.3
>+	 */
>+	public static final int ATTRIBUTE_OTHER_READ = 1 << 28;
>+
>+	/**
>+	 * Attribute constant (value 1 &lt;&lt;29) indicating that
>+	 * other users have a write permission.
>+	 * 
>+	 * @see IFileStore#fetchInfo()
>+	 * @see IFileStore#putInfo(IFileInfo, int, IProgressMonitor)
>+	 * @see IFileInfo#getAttribute(int)
>+	 * @see IFileInfo#setAttribute(int, boolean)
>+	 * @since org.eclipse.core.filesystem 1.3
>+	 */
>+	public static final int ATTRIBUTE_OTHER_WRITE = 1 << 29;
>+
>+	/**
>+	 * Attribute constant (value 1 &lt;&lt;30) indicating that
>+	 * other users have an execute permission.
>+	 * 
>+	 * @see IFileStore#fetchInfo()
>+	 * @see IFileStore#putInfo(IFileInfo, int, IProgressMonitor)
>+	 * @see IFileInfo#getAttribute(int)
>+	 * @see IFileInfo#setAttribute(int, boolean)
>+	 * @since org.eclipse.core.filesystem 1.3
>+	 */
>+	public static final int ATTRIBUTE_OTHER_EXECUTE = 1 << 30;
>+
>+	/**
> 	 * Attribute constant (value 1 &lt;&lt;2) indicating that a
> 	 * file is a executable.
> 	 * 
>Index: src/org/eclipse/core/filesystem/provider/FileInfo.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.filesystem/src/org/eclipse/core/filesystem/provider/FileInfo.java,v
>retrieving revision 1.12
>diff -u -r1.12 FileInfo.java
>--- src/org/eclipse/core/filesystem/provider/FileInfo.java	7 Apr 2008 08:55:39 -0000	1.12
>+++ src/org/eclipse/core/filesystem/provider/FileInfo.java	19 Jan 2010 12:19:35 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2005, 2008 IBM Corporation and others.
>+ * Copyright (c) 2005, 2010 IBM Corporation and others.
>  * All rights reserved. This program and the accompanying materials
>  * are made available under the terms of the Eclipse Public License v1.0
>  * which accompanies this distribution, and is available at
>@@ -13,6 +13,7 @@
> 
> import org.eclipse.core.filesystem.EFS;
> import org.eclipse.core.filesystem.IFileInfo;
>+import org.eclipse.core.internal.filesystem.local.LocalFileNativesManager;
> 
> /**
>  * This class should be used by file system providers in their implementation
>@@ -33,9 +34,9 @@
> 	private static final int ATTRIBUTE_EXISTS = 1 << 16;
> 
> 	/**
>-	 * Bit field of file attributes
>+	 * Bit field of file attributes. Initialized to specify a writable resource.
> 	 */
>-	private int attributes = 0;
>+	private int attributes = EFS.ATTRIBUTE_OWNER_WRITE | EFS.ATTRIBUTE_OWNER_READ;
> 
> 	/**
> 	 * The last modified time.
>@@ -113,7 +114,12 @@
> 	}
> 
> 	public boolean getAttribute(int attribute) {
>-		return isSet(attribute);
>+		if (attribute == EFS.ATTRIBUTE_READ_ONLY && isAttributeSuported(EFS.ATTRIBUTE_OWNER_WRITE))
>+			return (!isSet(EFS.ATTRIBUTE_OWNER_WRITE)) || isSet(EFS.ATTRIBUTE_IMMUTABLE);
>+		else if (attribute == EFS.ATTRIBUTE_EXECUTABLE && isAttributeSuported(EFS.ATTRIBUTE_OWNER_EXECUTE))
>+			return isSet(EFS.ATTRIBUTE_OWNER_EXECUTE);
>+		else
>+			return isSet(attribute);
> 	}
> 
> 	/* (non-Javadoc)
>@@ -165,10 +171,29 @@
> 	 * @see org.eclipse.core.filesystem.IFileInfo#setAttribute(int, boolean)
> 	 */
> 	public void setAttribute(int attribute, boolean value) {
>-		if (value)
>-			set(attribute);
>-		else
>-			clear(attribute);
>+		if (attribute == EFS.ATTRIBUTE_READ_ONLY && isAttributeSuported(EFS.ATTRIBUTE_OWNER_WRITE)) {
>+			if (value) {
>+				clear(EFS.ATTRIBUTE_OWNER_WRITE | EFS.ATTRIBUTE_OTHER_WRITE | EFS.ATTRIBUTE_GROUP_WRITE);
>+				set(EFS.ATTRIBUTE_IMMUTABLE);
>+			} else {
>+				set(EFS.ATTRIBUTE_OWNER_WRITE | EFS.ATTRIBUTE_OWNER_READ);
>+				clear(EFS.ATTRIBUTE_IMMUTABLE);
>+			}
>+		} else if (attribute == EFS.ATTRIBUTE_EXECUTABLE && isAttributeSuported(EFS.ATTRIBUTE_OWNER_EXECUTE)) {
>+			if (value)
>+				set(EFS.ATTRIBUTE_OWNER_EXECUTE);
>+			else
>+				clear(EFS.ATTRIBUTE_OWNER_EXECUTE | EFS.ATTRIBUTE_GROUP_EXECUTE | EFS.ATTRIBUTE_OTHER_EXECUTE);
>+		} else {
>+			if (value)
>+				set(attribute);
>+			else
>+				clear(attribute);
>+		}
>+	}
>+
>+	private static boolean isAttributeSuported(int value) {
>+		return (LocalFileNativesManager.getSupportedAttributes() & value) != 0;
> 	}
> 
> 	/**
>Index: src/org/eclipse/core/internal/filesystem/Messages.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.filesystem/src/org/eclipse/core/internal/filesystem/Messages.java,v
>retrieving revision 1.7
>diff -u -r1.7 Messages.java
>--- src/org/eclipse/core/internal/filesystem/Messages.java	3 Jun 2008 12:40:03 -0000	1.7
>+++ src/org/eclipse/core/internal/filesystem/Messages.java	19 Jan 2010 12:19:35 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2005, 2007 IBM Corporation and others.
>+ * Copyright (c) 2005, 2010 IBM Corporation and others.
>  * All rights reserved. This program and the accompanying materials
>  * are made available under the terms of the Eclipse Public License v1.0
>  * which accompanies this distribution, and is available at
>@@ -21,7 +21,7 @@
> 	public static String copying;
> 	public static String couldnotDelete;
> 	public static String couldnotDeleteReadOnly;
>-	public static String couldNotLoadLibrary;
>+	public static String couldNotNativeLibrary;
> 	public static String couldNotMove;
> 	public static String couldNotRead;
> 	public static String couldNotWrite;
>Index: src/org/eclipse/core/internal/filesystem/local/Convert.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.filesystem/src/org/eclipse/core/internal/filesystem/local/Convert.java,v
>retrieving revision 1.6
>diff -u -r1.6 Convert.java
>--- src/org/eclipse/core/internal/filesystem/local/Convert.java	29 Apr 2009 20:48:27 -0000	1.6
>+++ src/org/eclipse/core/internal/filesystem/local/Convert.java	19 Jan 2010 12:19:35 -0000
>@@ -76,16 +76,16 @@
> 	 * @return converted Java String
> 	 * @since org.eclipse.core.filesystem 1.1
> 	 */
>-	public static String fromPlatformBytes(byte[] source) {
>+	public static String fromPlatformBytes(byte[] source, int length) {
> 		if (defaultEncoding == null)
>-			return new String(source);
>+			return new String(source, 0, length);
> 		// try to use the default encoding
> 		try {
>-			return new String(source, defaultEncoding);
>+			return new String(source, 0, length, defaultEncoding);
> 		} catch (UnsupportedEncodingException e) {
> 			// null the default encoding so we don't try it again
> 			defaultEncoding = null;
>-			return new String(source);
>+			return new String(source, 0, length);
> 		}
> 	}
> 
>Index: src/org/eclipse/core/internal/filesystem/local/LocalFile.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.filesystem/src/org/eclipse/core/internal/filesystem/local/LocalFile.java,v
>retrieving revision 1.32
>diff -u -r1.32 LocalFile.java
>--- src/org/eclipse/core/internal/filesystem/local/LocalFile.java	10 Nov 2009 09:05:43 -0000	1.32
>+++ src/org/eclipse/core/internal/filesystem/local/LocalFile.java	19 Jan 2010 12:19:36 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2005, 2009 IBM Corporation and others.
>+ * Copyright (c) 2005, 2010 IBM Corporation and others.
>  * All rights reserved. This program and the accompanying materials
>  * are made available under the terms of the Eclipse Public License v1.0
>  * which accompanies this distribution, and is available at
>@@ -140,8 +140,8 @@
> 	}
> 
> 	public IFileInfo fetchInfo(int options, IProgressMonitor monitor) {
>-		if (LocalFileNatives.usingNatives()) {
>-			FileInfo info = LocalFileNatives.fetchFileInfo(filePath);
>+		if (LocalFileNativesManager.isUsingNatives()) {
>+			FileInfo info = LocalFileNativesManager.fetchFileInfo(filePath);
> 			//natives don't set the file name on all platforms
> 			if (info.getName().length() == 0) {
> 				String name = file.getName();
>@@ -398,8 +398,8 @@
> 	public void putInfo(IFileInfo info, int options, IProgressMonitor monitor) throws CoreException {
> 		boolean success = true;
> 		if ((options & EFS.SET_ATTRIBUTES) != 0) {
>-			if (LocalFileNatives.usingNatives())
>-				success &= LocalFileNatives.setFileInfo(filePath, info, options);
>+			if (LocalFileNativesManager.isUsingNatives())
>+				success &= LocalFileNativesManager.putFileInfo(filePath, info, options);
> 		}
> 		//native does not currently set last modified
> 		if ((options & EFS.SET_LAST_MODIFIED) != 0)
>Index: src/org/eclipse/core/internal/filesystem/local/LocalFileNatives.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.filesystem/src/org/eclipse/core/internal/filesystem/local/LocalFileNatives.java,v
>retrieving revision 1.12
>diff -u -r1.12 LocalFileNatives.java
>--- src/org/eclipse/core/internal/filesystem/local/LocalFileNatives.java	27 Jun 2007 18:17:56 -0000	1.12
>+++ src/org/eclipse/core/internal/filesystem/local/LocalFileNatives.java	19 Jan 2010 12:19:36 -0000
>@@ -14,10 +14,6 @@
> import org.eclipse.core.filesystem.IFileInfo;
> import org.eclipse.core.filesystem.IFileSystem;
> import org.eclipse.core.filesystem.provider.FileInfo;
>-import org.eclipse.core.internal.filesystem.Messages;
>-import org.eclipse.core.internal.filesystem.Policy;
>-import org.eclipse.core.runtime.IStatus;
>-import org.eclipse.osgi.util.NLS;
> 
> abstract class LocalFileNatives {
> 	private static boolean hasNatives = false;
>@@ -33,7 +29,7 @@
> 			hasNatives = true;
> 			isUnicode = internalIsUnicode();
> 		} catch (UnsatisfiedLinkError e) {
>-			logMissingNativeLibrary(e);
>+			// Nothing to do
> 		}
> 	}
> 
>@@ -143,18 +139,12 @@
> 	 * be called if <code>isUnicode</code> is <code>false</code>). */
> 	private static final native boolean internalSetFileInfoW(char[] fileName, IFileInfo attribute, int options);
> 
>-	private static void logMissingNativeLibrary(UnsatisfiedLinkError e) {
>-		String libName = System.mapLibraryName(LIBRARY_NAME);
>-		String message = NLS.bind(Messages.couldNotLoadLibrary, libName);
>-		Policy.log(IStatus.INFO, message, e);
>-	}
>-
> 	/**
> 	 * @param fileName
> 	 * @param info
> 	 * @param options
> 	 */
>-	public static boolean setFileInfo(String fileName, IFileInfo info, int options) {
>+	public static boolean putFileInfo(String fileName, IFileInfo info, int options) {
> 		if (isUnicode)
> 			return internalSetFileInfoW(Convert.toPlatformChars(fileName), info, options);
> 		return internalSetFileInfo(Convert.toPlatformBytes(fileName), info);
>@@ -166,7 +156,7 @@
> 	 * @return <code>true</code> if native library is available, and <code>false</code>
> 	 * otherwise.
> 	 */
>-	public static boolean usingNatives() {
>+	public static boolean isUsingNatives() {
> 		return hasNatives;
> 	}
> }
>Index: src/org/eclipse/core/internal/filesystem/local/LocalFileNativesManager.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/filesystem/local/LocalFileNativesManager.java
>diff -N src/org/eclipse/core/internal/filesystem/local/LocalFileNativesManager.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/filesystem/local/LocalFileNativesManager.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,57 @@
>+/*******************************************************************************
>+ * Copyright (c) 2010 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ * 
>+ * Contributors:
>+ *     IBM Corporation - initial API and implementation
>+ *******************************************************************************/
>+package org.eclipse.core.internal.filesystem.local;
>+
>+import org.eclipse.core.filesystem.IFileInfo;
>+import org.eclipse.core.filesystem.provider.FileInfo;
>+import org.eclipse.core.internal.filesystem.Messages;
>+import org.eclipse.core.internal.filesystem.Policy;
>+import org.eclipse.core.internal.filesystem.local.unix.UnixFileNatives;
>+import org.eclipse.core.runtime.IStatus;
>+
>+/**
>+ * Dispatches methods backed by native code to the appropriate platform specific 
>+ * implementation depending on a library provided by a fragment.
>+ */
>+public class LocalFileNativesManager {
>+
>+	static {
>+		if (!(UnixFileNatives.isUsingNatives() || LocalFileNatives.isUsingNatives()))
>+			logMissingNativeLibrary();
>+	}
>+
>+	private static void logMissingNativeLibrary() {
>+		Policy.log(IStatus.INFO, Messages.couldNotNativeLibrary, new Exception(Messages.couldNotNativeLibrary));
>+	}
>+
>+	public static int getSupportedAttributes() {
>+		if (UnixFileNatives.isUsingNatives())
>+			return UnixFileNatives.getSupportedAttributes();
>+		return LocalFileNatives.attributes();
>+	}
>+
>+	public static FileInfo fetchFileInfo(String fileName) {
>+		if (UnixFileNatives.isUsingNatives())
>+			return UnixFileNatives.fetchFileInfo(fileName);
>+		return LocalFileNatives.fetchFileInfo(fileName);
>+	}
>+
>+	public static boolean putFileInfo(String fileName, IFileInfo info, int options) {
>+		if (UnixFileNatives.isUsingNatives())
>+			return UnixFileNatives.putFileInfo(fileName, info, options);
>+		return LocalFileNatives.putFileInfo(fileName, info, options);
>+	}
>+
>+	public static boolean isUsingNatives() {
>+		return UnixFileNatives.isUsingNatives() || LocalFileNatives.isUsingNatives();
>+	}
>+
>+}
>Index: src/org/eclipse/core/internal/filesystem/local/LocalFileSystem.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.filesystem/src/org/eclipse/core/internal/filesystem/local/LocalFileSystem.java,v
>retrieving revision 1.21
>diff -u -r1.21 LocalFileSystem.java
>--- src/org/eclipse/core/internal/filesystem/local/LocalFileSystem.java	23 Nov 2009 11:20:20 -0000	1.21
>+++ src/org/eclipse/core/internal/filesystem/local/LocalFileSystem.java	19 Jan 2010 12:19:41 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2005, 2009 IBM Corporation and others.
>+ * Copyright (c) 2005, 2010 IBM Corporation and others.
>  * All rights reserved. This program and the accompanying materials
>  * are made available under the terms of the Eclipse Public License v1.0
>  * which accompanies this distribution, and is available at
>@@ -79,11 +79,11 @@
> 		if (attributes != -1)
> 			return attributes;
> 		attributes = 0;
>-		if (!LocalFileNatives.usingNatives())
>+		if (!LocalFileNativesManager.isUsingNatives())
> 			return attributes;
> 
> 		//try to query supported attributes from native lib impl
>-		int nativeAttributes = LocalFileNatives.attributes();
>+		int nativeAttributes = LocalFileNativesManager.getSupportedAttributes();
> 		if (nativeAttributes >= 0) {
> 			attributes = nativeAttributes;
> 			return attributes;
>Index: src/org/eclipse/core/internal/filesystem/local/unix/StructStat.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/filesystem/local/unix/StructStat.java
>diff -N src/org/eclipse/core/internal/filesystem/local/unix/StructStat.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/filesystem/local/unix/StructStat.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,57 @@
>+/*******************************************************************************
>+ * Copyright (c) 2010 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ * 
>+ * Contributors:
>+ *     IBM Corporation - initial API and implementation
>+ *******************************************************************************/
>+package org.eclipse.core.internal.filesystem.local.unix;
>+
>+import org.eclipse.core.filesystem.EFS;
>+import org.eclipse.core.filesystem.provider.FileInfo;
>+
>+/**
>+ * This class mirrors relevant fields of native struct stat
>+ * and is used by JNI calls wrapping OS file related functions.
>+ */
>+public class StructStat {
>+
>+	public int st_mode;
>+	public long st_size;
>+	public long st_mtime;
>+	public long st_flags; // Filled only on Mac OS X
>+
>+	public FileInfo toFileInfo() {
>+		FileInfo info = new FileInfo();
>+		info.setExists(true);
>+		info.setLength(st_size);
>+		info.setLastModified(st_mtime * 1000);
>+		if ((st_mode & UnixFileFlags.S_IFMT) == UnixFileFlags.S_IFDIR)
>+			info.setDirectory(true);
>+		if ((st_flags & (UnixFileFlags.UF_IMMUTABLE | UnixFileFlags.SF_IMMUTABLE)) != 0)
>+			info.setAttribute(EFS.ATTRIBUTE_IMMUTABLE, true);
>+		if ((st_mode & UnixFileFlags.S_IRUSR) == 0) // Set to true in FileInfo constructor
>+			info.setAttribute(EFS.ATTRIBUTE_OWNER_READ, false);
>+		if ((st_mode & UnixFileFlags.S_IWUSR) == 0) // Set to true in FileInfo constructor
>+			info.setAttribute(EFS.ATTRIBUTE_OWNER_WRITE, false);
>+		if ((st_mode & UnixFileFlags.S_IXUSR) != 0)
>+			info.setAttribute(EFS.ATTRIBUTE_OWNER_EXECUTE, true);
>+		if ((st_mode & UnixFileFlags.S_IRGRP) != 0)
>+			info.setAttribute(EFS.ATTRIBUTE_GROUP_READ, true);
>+		if ((st_mode & UnixFileFlags.S_IWGRP) != 0)
>+			info.setAttribute(EFS.ATTRIBUTE_GROUP_WRITE, true);
>+		if ((st_mode & UnixFileFlags.S_IXGRP) != 0)
>+			info.setAttribute(EFS.ATTRIBUTE_GROUP_EXECUTE, true);
>+		if ((st_mode & UnixFileFlags.S_IROTH) != 0)
>+			info.setAttribute(EFS.ATTRIBUTE_OTHER_READ, true);
>+		if ((st_mode & UnixFileFlags.S_IWOTH) != 0)
>+			info.setAttribute(EFS.ATTRIBUTE_OTHER_WRITE, true);
>+		if ((st_mode & UnixFileFlags.S_IXOTH) != 0)
>+			info.setAttribute(EFS.ATTRIBUTE_OTHER_EXECUTE, true);
>+		return info;
>+	}
>+
>+}
>Index: src/org/eclipse/core/internal/filesystem/local/unix/UnixFileFlags.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/filesystem/local/unix/UnixFileFlags.java
>diff -N src/org/eclipse/core/internal/filesystem/local/unix/UnixFileFlags.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/filesystem/local/unix/UnixFileFlags.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,33 @@
>+/*******************************************************************************
>+ * Copyright (c) 2010 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ * 
>+ * Contributors:
>+ *     IBM Corporation - initial API and implementation
>+ *******************************************************************************/
>+package org.eclipse.core.internal.filesystem.local.unix;
>+
>+public class UnixFileFlags {
>+
>+	public static final int PATH_MAX = 4096; //chars in a path name including nul  
>+
>+	public static final int S_IFMT = 0170000; //bitmask for the file type bitfields
>+	public static final int S_IFLNK = 0120000; //symbolic link
>+	public static final int S_IFDIR = 0040000; //directory
>+	public static final int S_IRUSR = 00400; //owner has read permission
>+	public static final int S_IWUSR = 00200; //owner has write permission
>+	public static final int S_IXUSR = 00100; //owner has execute permission
>+	public static final int S_IRGRP = 00040; //group has read permission
>+	public static final int S_IWGRP = 00020; //group has write permission
>+	public static final int S_IXGRP = 00010; //group has execute permission
>+	public static final int S_IROTH = 00004; //others have read permission
>+	public static final int S_IWOTH = 00002; //others have write permission
>+	public static final int S_IXOTH = 00001; //others have execute permission
>+
>+	public static final int UF_IMMUTABLE = 0x00000002; //the file may not be changed
>+	public static final int SF_IMMUTABLE = 0x00020000; //the file may not be changed
>+
>+}
>Index: src/org/eclipse/core/internal/filesystem/local/unix/UnixFileNatives.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/filesystem/local/unix/UnixFileNatives.java
>diff -N src/org/eclipse/core/internal/filesystem/local/unix/UnixFileNatives.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/filesystem/local/unix/UnixFileNatives.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,160 @@
>+/*******************************************************************************
>+ * Copyright (c) 2010 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ *     IBM Corporation - initial API and implementation
>+ *******************************************************************************/
>+package org.eclipse.core.internal.filesystem.local.unix;
>+
>+import org.eclipse.core.filesystem.EFS;
>+import org.eclipse.core.filesystem.IFileInfo;
>+import org.eclipse.core.filesystem.provider.FileInfo;
>+import org.eclipse.core.internal.filesystem.local.Convert;
>+
>+public abstract class UnixFileNatives {
>+
>+	private static final String LIBRARY_NAME = "unixfile_1_0_0"; //$NON-NLS-1$
>+	private static final int UNICODE_SUPPORTED = 1 << 0;
>+	private static final int CHFLAGS_SUPPORTED = 1 << 1;
>+
>+	private static final boolean usingNatives;
>+	private static final int libattr;
>+
>+	static {
>+		boolean _usingNatives = false;
>+		int _libattr = 0;
>+		try {
>+			System.loadLibrary(LIBRARY_NAME);
>+			_usingNatives = true;
>+			_libattr = libattr();
>+		} catch (UnsatisfiedLinkError e) {
>+			// Nothing to do
>+		} finally {
>+			usingNatives = _usingNatives;
>+			libattr = _libattr;
>+		}
>+	}
>+
>+	public static int getSupportedAttributes() {
>+		if (!usingNatives)
>+			return -1;
>+		int ret = EFS.ATTRIBUTE_READ_ONLY | EFS.ATTRIBUTE_EXECUTABLE | EFS.ATTRIBUTE_SYMLINK | EFS.ATTRIBUTE_LINK_TARGET | EFS.ATTRIBUTE_OWNER_READ | EFS.ATTRIBUTE_OWNER_WRITE | EFS.ATTRIBUTE_OWNER_EXECUTE | EFS.ATTRIBUTE_GROUP_READ | EFS.ATTRIBUTE_GROUP_WRITE | EFS.ATTRIBUTE_GROUP_EXECUTE | EFS.ATTRIBUTE_OTHER_READ | EFS.ATTRIBUTE_OTHER_WRITE | EFS.ATTRIBUTE_OTHER_EXECUTE;
>+		if (isSupported(CHFLAGS_SUPPORTED))
>+			ret |= EFS.ATTRIBUTE_IMMUTABLE;
>+		return ret;
>+	}
>+
>+	public static FileInfo fetchFileInfo(String fileName) {
>+		FileInfo info = null;
>+		byte[] name = fileNameToBytes(fileName);
>+		StructStat stat = new StructStat();
>+		if (stat(name, stat) == 0)
>+			info = stat.toFileInfo();
>+		else
>+			info = new FileInfo();
>+		if (lstat(name, stat) == 0 && (stat.st_mode & UnixFileFlags.S_IFMT) == UnixFileFlags.S_IFLNK) {
>+			info.setAttribute(EFS.ATTRIBUTE_SYMLINK, true);
>+			byte target[] = new byte[UnixFileFlags.PATH_MAX];
>+			long length = readlink(name, target, target.length);
>+			if (length > 0)
>+				info.setStringAttribute(EFS.ATTRIBUTE_LINK_TARGET, bytesToFileName(target, (int) length));
>+		}
>+		return info;
>+	}
>+
>+	public static boolean putFileInfo(String fileName, IFileInfo info, int options) {
>+		int code = 0;
>+		byte[] name = fileNameToBytes(fileName);
>+		if (name == null)
>+			return false;
>+
>+		// In case uchg flag is to be removed do it before calling chmod
>+		if (!info.getAttribute(EFS.ATTRIBUTE_IMMUTABLE) && isSupported(CHFLAGS_SUPPORTED)) {
>+			StructStat stat = new StructStat();
>+			if (stat(name, stat) == 0) {
>+				long flags = stat.st_flags;
>+				flags &= ~UnixFileFlags.SF_IMMUTABLE;
>+				flags &= ~UnixFileFlags.UF_IMMUTABLE;
>+				code |= chflags(name, (int) flags);
>+			}
>+		}
>+
>+		// Change permissions
>+		int mode = 0;
>+		if (info.getAttribute(EFS.ATTRIBUTE_OWNER_READ))
>+			mode |= UnixFileFlags.S_IRUSR;
>+		if (info.getAttribute(EFS.ATTRIBUTE_OWNER_WRITE))
>+			mode |= UnixFileFlags.S_IWUSR;
>+		if (info.getAttribute(EFS.ATTRIBUTE_OWNER_EXECUTE))
>+			mode |= UnixFileFlags.S_IXUSR;
>+		if (info.getAttribute(EFS.ATTRIBUTE_GROUP_READ))
>+			mode |= UnixFileFlags.S_IRGRP;
>+		if (info.getAttribute(EFS.ATTRIBUTE_GROUP_WRITE))
>+			mode |= UnixFileFlags.S_IWGRP;
>+		if (info.getAttribute(EFS.ATTRIBUTE_GROUP_EXECUTE))
>+			mode |= UnixFileFlags.S_IXGRP;
>+		if (info.getAttribute(EFS.ATTRIBUTE_OTHER_READ))
>+			mode |= UnixFileFlags.S_IROTH;
>+		if (info.getAttribute(EFS.ATTRIBUTE_OTHER_WRITE))
>+			mode |= UnixFileFlags.S_IWOTH;
>+		if (info.getAttribute(EFS.ATTRIBUTE_OTHER_EXECUTE))
>+			mode |= UnixFileFlags.S_IXOTH;
>+		code |= chmod(name, mode);
>+
>+		// In case uchg flag is to be added do it after calling chmod
>+		if (info.getAttribute(EFS.ATTRIBUTE_IMMUTABLE) && isSupported(CHFLAGS_SUPPORTED)) {
>+			StructStat stat = new StructStat();
>+			if (stat(name, stat) == 0) {
>+				long flags = stat.st_flags;
>+				flags |= UnixFileFlags.SF_IMMUTABLE;
>+				code |= chflags(name, UnixFileFlags.UF_IMMUTABLE);
>+			}
>+		}
>+		return code == 0;
>+	}
>+
>+	public static boolean isUsingNatives() {
>+		return usingNatives;
>+	}
>+
>+	public static int getErrno() {
>+		return errno();
>+	}
>+
>+	private static byte[] fileNameToBytes(String fileName) {
>+		if (isSupported(UNICODE_SUPPORTED))
>+			return tounicode(fileName.toCharArray());
>+		return Convert.toPlatformBytes(fileName);
>+	}
>+
>+	private static String bytesToFileName(byte[] buf, int length) {
>+		if (isSupported(UNICODE_SUPPORTED))
>+			return new String(buf, 0, length);
>+		return Convert.fromPlatformBytes(buf, length);
>+	}
>+
>+	private static boolean isSupported(int attr) {
>+		return (libattr & attr) != 0;
>+	}
>+
>+	private static final native int chmod(byte[] path, int mode);
>+
>+	private static final native int chflags(byte[] path, int flags);
>+
>+	private static final native int stat(byte[] path, StructStat buf);
>+
>+	private static final native int lstat(byte[] path, StructStat buf);
>+
>+	private static final native long readlink(byte[] path, byte[] buf, long bufsiz);
>+
>+	private static final native int errno();
>+
>+	private static final native int libattr();
>+
>+	private static final native byte[] tounicode(char[] buf);
>+
>+}
>Index: src/org/eclipse/core/internal/filesystem/messages.properties
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.filesystem/src/org/eclipse/core/internal/filesystem/messages.properties,v
>retrieving revision 1.5
>diff -u -r1.5 messages.properties
>--- src/org/eclipse/core/internal/filesystem/messages.properties	19 Oct 2006 22:00:40 -0000	1.5
>+++ src/org/eclipse/core/internal/filesystem/messages.properties	19 Jan 2010 12:19:44 -0000
>@@ -1,5 +1,5 @@
> ###############################################################################
>-# Copyright (c) 2005, 2006 IBM Corporation and others.
>+# Copyright (c) 2005, 2010 IBM Corporation and others.
> # All rights reserved. This program and the accompanying materials
> # are made available under the terms of the Eclipse Public License v1.0
> # which accompanies this distribution, and is available at
>@@ -13,7 +13,7 @@
> copying = Copying: {0}.
> couldnotDelete = Could not delete: {0}.
> couldnotDeleteReadOnly = Could not delete read-only file: {0}.
>-couldNotLoadLibrary = Could not load library: {0}.  This library provides platform-specific optimizations for certain file system operations.  This library is not present on all platforms, so this may not be an error.  The resources plug-in will safely fall back to using java.io.File functionality.
>+couldNotNativeLibrary== Could not load library providing platform-specific optimizations for certain file system operations.  This library is not present on all platforms, so this may not be an error.  The resources plug-in will safely fall back to using java.io.File functionality.
> couldNotMove = Could not move: {0}.
> couldNotRead = Could not read file: {0}.
> couldNotWrite = Could not write file: {0}.

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Attachments on bug 297228: 156230 | 156422 | 156423 | 156494 | 156524 | 156529 | 156532 | 156620 | 156637 | 156774 | 156776 | 156804 | 156806