From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Tue, 8 Jan 2019 18:32:38 +0000 (+0100)
Subject: bc: remove "empty expression" check/message, parsing fails in these cases anyway
X-Git-Tag: 1_30_1~10
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=c28dc0b58bac65e3904828a82ea29712ba967e84;p=oweals%2Fbusybox.git

bc: remove "empty expression" check/message, parsing fails in these cases anyway

function                                             old     new   delta
zbc_parse_expr                                      1848    1818     -30

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/miscutils/bc.c b/miscutils/bc.c
index 6dd8c9d1f..cef0637bf 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -4780,9 +4780,10 @@ static BC_STATUS zbc_parse_expr(uint8_t flags)
 			break;
 		case BC_LEX_RPAREN:
 			dbg_lex("%s:%d LEX_RPAREN", __func__, __LINE__);
-			if (p->lex_last == BC_LEX_LPAREN) {
-				RETURN_STATUS(bc_error("empty expression"));
-			}
+//why?
+//			if (p->lex_last == BC_LEX_LPAREN) {
+//				RETURN_STATUS(bc_error_at("empty expression"));
+//			}
 			if (bin_last || prev == XC_INST_BOOL_NOT)
 				RETURN_STATUS(bc_error_bad_expression());
 			if (nparens == 0) {