[PATCH 1/4] parse-options: use COPY_ARRAY in parse_options_concat()

["René Scharfe" <l.s.r@web.de>]

Use COPY_ARRAY to copy whole arrays instead of iterating through the
elements.  That's shorter, simpler and bit more efficient.

Signed-off-by: René Scharfe <l.s.r@web.de>
---
 parse-options-cb.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/parse-options-cb.c b/parse-options-cb.c
index c2062ae742..012e048856 100644
--- a/parse-options-cb.c
+++ b/parse-options-cb.c
@@ -188,11 +188,8 @@ struct option *parse_options_concat(struct option *a, struct option *b)
 		b_len++;

 	ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1));
-	for (i = 0; i < a_len; i++)
-		ret[i] = a[i];
-	for (i = 0; i < b_len; i++)
-		ret[a_len + i] = b[i];
-	ret[a_len + b_len] = b[b_len]; /* final OPTION_END */
+	COPY_ARRAY(ret, a, a_len);
+	COPY_ARRAY(ret + a_len, b, b_len + 1); /* + 1 for final OPTION_END */

 	return ret;
 }
--
2.25.0