Esempi in C++ (Cpp) per EXT2FS_FILE

Esempio n. 1

File: op_read.c Progetto: kejiewei/fuse-ext2

int op_read (const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi)
{
	__u64 pos;
	errcode_t rc;
	unsigned int bytes;
	ext2_file_t efile = EXT2FS_FILE(fi->fh);
	ext2_filsys e2fs = current_ext2fs();

	debugf("enter");
	debugf("path = %s", path);

	efile = do_open(e2fs, path, O_RDONLY);
	rc = ext2fs_file_llseek(efile, offset, SEEK_SET, &pos);
	if (rc) {
		do_release(efile);
		return -EINVAL;
	}

	rc = ext2fs_file_read(efile, buf, size, &bytes);
	if (rc) {
		do_release(efile);
		return -EIO;
	}
	do_release(efile);

	debugf("leave");
	return bytes;
}

Esempio n. 2

File: op_write.c Progetto: huangwenhua/fuse-ext2-fakeFS

int op_write (const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi)
{
	size_t rt;
	ext2_file_t efile = EXT2FS_FILE(fi->fh);

	debugf("enter");
	debugf("path = %s", path);

	rt = do_write(efile, buf, size, offset);

	debugf("leave");
	return rt;
}

Esempio n. 3

File: op_write.c Progetto: StephanU/fuse-ext2

int op_write (const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi)
{
	size_t rt;
	ext2_file_t efile = EXT2FS_FILE(fi->fh);
	ext2_filsys e2fs = current_ext2fs();

	debugf("enter");
	debugf("path = %s", path);

	efile = do_open(e2fs, path, O_WRONLY);
	rt = do_write(efile, buf, size, offset);
	do_release(efile);

	debugf("leave");
	return rt;
}

Esempio n. 4

File: op_truncate.c Progetto: huangwenhua/fuse-ext2-fakeFS

int op_ftruncate(const char *path, off_t length, struct fuse_file_info *fi)
{
	size_t rt;
	ext2_file_t efile = EXT2FS_FILE(fi->fh);

	debugf("enter");
	debugf("path = %s", path);

	rt = ext2fs_file_set_size(efile, length);
	if (rt) {
		debugf("ext2fs_file_set_size(efile, %d); failed", length);
		return rt;
	}

	debugf("leave");
	  return 0;
}