image: Correct strncpy() warning with image_set_name()
gcc 12 seems to warn on strncpy() as a matter of course. Rewrite the code
a different way to do the same thing, to avoid the warning.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/image.h b/include/image.h
index 65d0d4f..6f21daf 100644
--- a/include/image.h
+++ b/include/image.h
@@ -853,7 +853,13 @@
static inline void image_set_name(struct legacy_img_hdr *hdr, const char *name)
{
- strncpy(image_get_name(hdr), name, IH_NMLEN);
+ /*
+ * This is equivalent to: strncpy(image_get_name(hdr), name, IH_NMLEN);
+ *
+ * Use the tortured code below to avoid a warning with gcc 12. We do not
+ * want to include a nul terminator if the name is of length IH_NMLEN
+ */
+ memcpy(image_get_name(hdr), name, strnlen(name, IH_NMLEN));
}
int image_check_hcrc(const struct legacy_img_hdr *hdr);