Function fmap_append_area

util/cbfstool/flashmap/fmap.c:279–309

append area to existing structure, return new total size if successful */

/* append area to existing structure, return new total size if successful */
int fmap_append_area(struct fmap **fmap,
		     uint32_t offset, uint32_t size,
		     const uint8_t *name, uint16_t flags)
{
	struct fmap_area *area;
	int orig_size, new_size;

	if ((fmap == NULL || *fmap == NULL) || (name == NULL))
		return -1;

	/* too many areas */
	if (le16toh((*fmap)->nareas) >= 0xffff)
		return -1;

	orig_size = fmap_size(*fmap);
	new_size = orig_size + sizeof(*area);

	*fmap = realloc(*fmap, new_size);
	if (*fmap == NULL)
		return -1;

	area = (struct fmap_area *)((uint8_t *)*fmap + orig_size);
	memset(area, 0, sizeof(*area));
	memccpy(&area->name, name, '\0', FMAP_STRLEN);
	area->offset = htole32(offset);
	area->size   = htole32(size);
	area->flags  = htole16(flags);

	(*fmap)->nareas = htole16(le16toh((*fmap)->nareas) + 1);
	return new_size;
}

const struct fmap_area *fmap_find_area(const struct fmap *fmap,
							const char *name)