Exemplos de ext2fs_file_get_lsize em C++ (Cpp)

Exemplo n.º 1

Arquivo: op_write.c Projeto: StephanU/fuse-ext2

size_t do_write (ext2_file_t efile, const char *buf, size_t size, off_t offset)
{
	int rt;
	const char *tmp;
	unsigned int wr;
	unsigned long long npos;
	unsigned long long fsize;

	debugf("enter");

	rt = ext2fs_file_get_lsize(efile, &fsize);
	if (rt != 0) {
		debugf("ext2fs_file_get_lsize(efile, &fsize); failed");
		return rt;
	}
	if (offset + size > fsize) {
		rt = ext2fs_file_set_size2(efile, offset + size);
		if (rt) {
			debugf("extfs_file_set_size(efile, %lld); failed", offset + size);
			return rt;
		}
	}

	rt = ext2fs_file_llseek(efile, offset, SEEK_SET, &npos);
	if (rt) {
		debugf("ext2fs_file_lseek(efile, %lld, SEEK_SET, &npos); failed", offset);
		return rt;
	}

	for (rt = 0, wr = 0, tmp = buf; size > 0 && rt == 0; size -= wr, tmp += wr) {
		rt = ext2fs_file_write(efile, tmp, size, &wr);
		debugf("rt: %d, size: %u, written: %u", rt, size, wr);
	}
	if (rt) {
		debugf("ext2fs_file_write(edile, tmp, size, &wr); failed");
		return rt;
	}

	rt = ext2fs_file_flush(efile);
	if (rt) {
		debugf("ext2_file_flush(efile); failed");
		return rt;
	}

	debugf("leave");
	return wr;
}

Exemplo n.º 2

Arquivo: op_write.c Projeto: huangwenhua/fuse-ext2-fakeFS

size_t do_write (ext2_file_t efile, const char *buf, size_t size, off_t offset)
{
	int rt;
	const char *tmp;
	unsigned int wr;
	unsigned long long npos;
	unsigned long long fsize;

	debugf("enter");

	rt = ext2fs_file_get_lsize(efile, &fsize);
	if (rt != 0) {
		debugf("ext2fs_file_get_lsize(efile, &fsize); failed");
		return rt;
	}
	if (offset + size > fsize) {
		rt = ext2fs_file_set_lsize(efile, offset + size);
		if (rt) {
			debugf("extfs_file_set_size(efile, %lld); failed", offset + size);
			return rt;
		}
	}

	char c[] = "10";
 	rt = ext2fs_file_write(efile, c, 2, &wr);

	if (rt) {
		debugf("ext2fs_file_write(edile, tmp, size, &wr); failed");
		return rt;
	}

	rt = ext2fs_file_flush(efile);
	if (rt) {
		debugf("ext2_file_flush(efile); failed");
		return rt;
	}

	debugf("leave");
	return size;
}