ao-tools/lib: Add ao_hex_image_cat function

This takes two images and constructs a third containing the union of
the contents along with 0xff bytes for any area between them.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/ao-tools/lib/ao-hex.h b/ao-tools/lib/ao-hex.h
index eb510ba2..a1ab490c 100644
--- a/ao-tools/lib/ao-hex.h
+++ b/ao-tools/lib/ao-hex.h
@@ -71,6 +71,9 @@ ao_hex_image_free(struct ao_hex_image *image);
 struct ao_hex_image *
 ao_hex_load(char *filename, struct ao_sym **symbols, int *num_symbols);
 
+struct ao_hex_image *
+ao_hex_image_cat(struct ao_hex_image *a, struct ao_hex_image *b);
+
 int
 ao_hex_image_equal(struct ao_hex_image *a, struct ao_hex_image *b);