Function cbfs_add_entry

util/cbfstool/cbfs_image.c:726–824

}

int cbfs_add_entry(struct cbfs_image *image, struct buffer *buffer,
		   uint32_t content_offset,
		   struct cbfs_file *header,
		   const size_t len_align)
{
	assert(image);
	assert(buffer);
	assert(buffer->data);
	assert(!IS_HOST_SPACE_ADDRESS(content_offset));

	const char *name = header->filename;

	/* This is so special rows in cbfstool print -k -v output stay unambiguous. */
	if (name[0] == '[') {
		ERROR("CBFS file name `%s` must not start with `[`\n", name);
		return -1;
	}

	uint32_t entry_type;
	uint32_t addr, addr_next;
	uint32_t entry_size;
	uint32_t max_null_entry_size = 0;
	struct cbfs_file *entry, *next;
	uint32_t need_size;
	uint32_t header_size = be32toh(header->offset);

	need_size = header_size + buffer->size;
	DEBUG("cbfs_add_entry('%s'@0x%x) => need_size = %u+%zu=%u\n",
	      name, content_offset, header_size, buffer->size, need_size);

	// Merge empty entries.
	DEBUG("(trying to merge empty entries...)\n");
	cbfs_legacy_walk(image, cbfs_merge_empty_entry, NULL);

	for (entry = cbfs_find_first_entry(image);
	     entry && cbfs_is_valid_entry(image, entry);
	     entry = cbfs_find_next_entry(image, entry)) {

		entry_type = be32toh(entry->type);
		if (entry_type != CBFS_TYPE_NULL)
			continue;

		addr = cbfs_get_entry_addr(image, entry);
		next = cbfs_find_next_entry(image, entry);
		addr_next = cbfs_get_entry_addr(image, next);
		entry_size = addr_next - addr;
		max_null_entry_size = MAX(max_null_entry_size, entry_size);

		DEBUG("%s: space at 0x%x+0x%x(%d) bytes\n", __func__,
		      addr, entry_size, entry_size);

		/* Will the file fit? Don't yet worry if we have space for a new
		 * "empty" entry. We take care of that later.
		 */
		if (addr + need_size > addr_next)
			continue;

		// Test for complicated cases