ustar: Add a couple small comments

1 files changed, 4 insertions, 0 deletions

diff --git a/src/ustar.c b/src/ustar.c
index 47e0dfa..d8bd980 100644
--- a/src/ustar.c
+++ b/src/ustar.c
@@ -174,6 +174,8 @@ opkg_opk_ustar_list(struct opkg_opk_ustar *ustar,
 	if (header.prefix[0] != '\0') {
 		sprintf((*member)->name, "%s/%s", header.prefix, header.name);
 	} else {
+		/* Use memcpy() because header.name may not be NUL-terminated.
+		 */
 		memcpy((*member)->name, header.name, sizeof(header.name));
 		(*member)->name[sizeof(header.name)] = '\0';
 	}
@@ -282,6 +284,8 @@ opkg_opk_ustar_seek(struct opkg_opk_ustar *ustar,
 			sprintf(name, "%s/%s", header.prefix,
 					header.name);
 		} else {
+			/* Use memcpy() because header.name may not be NUL-
+			 * terminated. */
 			memcpy(name, header.name, sizeof(header.name));
 			name[sizeof(header.name)] = '\0';
 		}