From: Ivan Maidanski <ivmai@mail.ru>
Date: Mon, 15 Jul 2019 06:24:04 +0000 (+0300)
Subject: Workaround 'expression is only useful for its side effects' WCC warning
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e8b0da6f171bfcfbc3ff5f4a332de5eb9e871faa;p=gc

Workaround 'expression is only useful for its side effects' WCC warning

* include/ec.h (CORD_ac_append): Cast result of ternary operator to
void.
---

diff --git a/include/ec.h b/include/ec.h
index 6375220c..7473a599 100644
--- a/include/ec.h
+++ b/include/ec.h
@@ -61,8 +61,8 @@ void CORD_ec_flush_buf(CORD_ec x);
 
 /* Append a character to an extensible cord.    */
 #define CORD_ec_append(x, c) \
-                (((x)[0].ec_bufptr == (x)[0].ec_buf + CORD_BUFSZ ? \
-                        (CORD_ec_flush_buf(x), 0) : 0), \
+                ((void)((x)[0].ec_bufptr == (x)[0].ec_buf + CORD_BUFSZ \
+                        ? (CORD_ec_flush_buf(x), 0) : 0), \
                  (void)(*(x)[0].ec_bufptr++ = (c)))
 
 /* Append a cord to an extensible cord.  Structure remains shared with  */