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From 3274f5bae444c2bc62011598a85edeecaad979b9 Mon Sep 17 00:00:00 2001
From: Sergei Litvin <litvindev@gmail.com>
Date: Thu, 22 Jun 2017 20:38:52 +0300
Subject: [PATCH 23/33] Fix ##__VA_ARGS__ expansion in macro if variable
arguments are omitted
---
src/yylex.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/yylex.c b/src/yylex.c
index 0af4dcc..5cb5ff5 100644
--- a/src/yylex.c
+++ b/src/yylex.c
@@ -1327,6 +1327,10 @@ static void collate(char **albcc, char **abcc, char *buf, int *absize,
GetLexToken(lex, ncc);
PassLex(ncc, lex, line, val, hash, pos, len, 0);
cc = actArgs[val].a; ccfin = actArgs[val].fin;
+ if (! (cc < ccfin) && NextLexToken(lbcc) == ',') {
+ bcc = lbcc;
+ lbcc = NULL;
+ }
} else {
cc = ncc;
GetLexToken(lex, ncc);
--
2.18.0
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