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-rw-r--r--usr.bin/mandoc/read.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/usr.bin/mandoc/read.c b/usr.bin/mandoc/read.c
index 0f082d57385..19b7f86804d 100644
--- a/usr.bin/mandoc/read.c
+++ b/usr.bin/mandoc/read.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: read.c,v 1.182 2019/01/11 17:03:43 schwarze Exp $ */
+/* $OpenBSD: read.c,v 1.183 2019/03/19 16:25:38 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010-2019 Ingo Schwarze <schwarze@openbsd.org>
@@ -253,6 +253,8 @@ mparse_buf_r(struct mparse *curp, struct buf blk, size_t i, int start)
/* XXX Ugly hack to mark the end of the input. */
if (i == blk.sz || blk.buf[i] == '\0') {
+ if (pos + 2 > ln.sz)
+ resize_buf(&ln, 256);
ln.buf[pos++] = '\n';
ln.buf[pos] = '\0';
}