plugins/org.eclipse.epp.installer.core/library/fs.c

#include "os.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>

#ifdef _WIN32
#include <windows.h>
#include <shlobj.h>
#include <tchar.h>
#include <stdlib.h>

#endif /* _WIN32 */


#ifndef NO_DeleteFileOnReboot
JNIEXPORT jboolean JNICALL OS_NATIVE(DeleteFileOnReboot)
	(JNIEnv *env, jclass that, jstring arg0 )
{
	const jbyte *path;
	jboolean result;

	path = (*env)->GetStringUTFChars(env, arg0, JNI_FALSE);
	if ( path == NULL ) return 0; /* OutOfMemoryError already thrown */
#ifdef _WIN32
	result = MoveFileEx(path,NULL,MOVEFILE_DELAY_UNTIL_REBOOT);
#else /* _WIN32 */
	result = unlink(path) == 0;
#endif /* _WIN32 */
	(*env)->ReleaseStringUTFChars(env, arg0, path);
	return result;
}
#endif


#ifndef NO_GetSpecialFolderPath
JNIEXPORT jstring JNICALL OS_NATIVE(GetSpecialFolderPath)
	(JNIEnv *env, jclass that, jint id )
{
	jstring str = NULL;

#ifdef _WIN32

	TCHAR szPath[MAX_PATH];
	if(SUCCEEDED(SHGetFolderPath(NULL, CSIDL_PROGRAM_FILES, NULL, SHGFP_TYPE_CURRENT, szPath) ) )
	{
		str = (*env)->NewStringUTF(env,szPath);
	}
		
#else /* _WIN32 */
	str = (*env)->NewStringUTF(env,"");
#endif /* _WIN32 */

	return str;

}
#endif


#ifndef NO_GetDriveType
JNIEXPORT jint JNICALL OS_NATIVE(GetDriveType)
	(JNIEnv *env, jclass that, jstring arg0 )
{
	jint result;
#ifdef _WIN32
	const jbyte *path;
	TCHAR drive[_MAX_DRIVE];

	path = (*env)->GetStringUTFChars(env, arg0, JNI_FALSE);
	if ( path == NULL ) return 0; /* OutOfMemoryError already thrown */
	_splitpath(path, drive, NULL, NULL, NULL );
	result = GetDriveType(drive);
	(*env)->ReleaseStringUTFChars(env, arg0, path);
#else /* _WIN32 */
	result = 0;
#endif /* _WIN32 */
	return result;
}

#endif


#ifndef NO_CanWrite
JNIEXPORT jboolean JNICALL OS_NATIVE(CanWrite)
	(JNIEnv *jenv, jclass that, jstring arg0 )
{
	struct _stat buf;
	int statRes;
	jboolean ret=0;
	const char *str_path = (*jenv)->GetStringUTFChars(jenv, arg0, 0);
	
	statRes = _stat( str_path, &buf );
	
	if( statRes != 0 )		
		ret=0;
	else if((buf.st_mode&_S_IWRITE)==_S_IWRITE) 
		ret=1;
   
	(*jenv)->ReleaseStringUTFChars(jenv, arg0, str_path);

	return ret;
}
#endif
#ifndef NO_CanRead
JNIEXPORT jboolean JNICALL OS_NATIVE(CanRead)
	(JNIEnv *jenv, jclass that, jstring arg0 )
{
	struct _stat buf;
	int statRes;
	jboolean ret=0;
	const char *str_path = (*jenv)->GetStringUTFChars(jenv, arg0, 0);
	
	statRes = _stat( str_path, &buf );
	
	if( statRes != 0 )		
		ret=0;
	else if((buf.st_mode&_S_IREAD)==_S_IREAD) 
		ret=1;
   
	(*jenv)->ReleaseStringUTFChars(jenv, arg0, str_path);

	return ret;
}

#endif

#ifndef NO_SetCreationTime
JNIEXPORT jboolean JNICALL OS_NATIVE(SetCreationTime)
	(JNIEnv *jenv, jclass that, jstring arg0,jlong jtimestamp )
{
	

	jboolean result=0;
	LARGE_INTEGER timestamp;
	const char *str_path = (*jenv)->GetStringUTFChars(jenv, arg0, 0);

	FILETIME creation_time;

	HANDLE fhandle;
	__int64 TIMESTAMP_OFFSET = 11644473600000L;
	long TIMESTAMP_DIVIDER = 10000L;

	jtimestamp=(jtimestamp  + TIMESTAMP_OFFSET) * TIMESTAMP_DIVIDER;
	fhandle = CreateFile(str_path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_BACKUP_SEMANTICS, NULL);

	if(fhandle == INVALID_HANDLE_VALUE)
	;
	else{

	timestamp.QuadPart = jtimestamp;
	creation_time.dwHighDateTime = timestamp.HighPart;
	creation_time.dwLowDateTime = timestamp.LowPart;

	if(SetFileTime((HANDLE)fhandle, &creation_time, NULL, NULL) == 0);
	else result = 1;
	
	}


	(*jenv)->ReleaseStringUTFChars(jenv, arg0, str_path);
	return result;
}

#endif