src/include: improve the description of hexstrtobin
Specify how hexstrtobin.c processes the strings of odd length.
Signed-off-by: Anna Karas <aka@semihalf.com>
Change-Id: Ie8cd8fb93d7dab08c5e7f28fc511b6381f5ad13a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43089
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/include/lib.h b/src/include/lib.h
index 0d6fdb1..46d8b02 100644
--- a/src/include/lib.h
+++ b/src/include/lib.h
@@ -40,6 +40,8 @@
*
* Defined in src/lib/hexstrtobin.c
* Ignores non-hex characters in the string.
+ * Ignores the last hex character if the number of hex characters in the string
+ * is odd.
* Returns the number of bytes that have been put in the buffer.
*/
size_t hexstrtobin(const char *str, uint8_t *buf, size_t len);