[git commit] awk: when parsing length(), simplify eating of LPAREN

[Denys Vlasenko]

commit: https://git.busybox.net/busybox/commit/?id=1193c68fa718ff16c47aba23f8532bf1568f294e
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master

function                                             old     new   delta
parse_expr                                           945     948      +3

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 editors/awk.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/editors/awk.c b/editors/awk.c
index 6833c2f0d..f65449a09 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -1453,10 +1453,11 @@ static node *parse_expr(uint32_t term_tc)
 				| TC_BINOPX    /* length <op> NUM */
 				| TC_COMMA     /* print length, 1 */
 			);
-			rollback_token();
-			if (tc & TC_LPAREN) {
+			if (tc != TC_LPAREN)
+				rollback_token();
+			else {
 				/* It was a "(" token. Handle just like TC_BUILTIN */
-				cn->l.n = parse_lrparen_list();
+				cn->l.n = parse_expr(TC_RPAREN);
 			}
 			break;
 		}