From 68f86b52c626ffc6718d859d4dc753d372b291ef Mon Sep 17 00:00:00 2001
From: bombipappoo <bombipappoo@gmail.com>
Date: Sun, 12 Jul 2020 01:54:02 +0900
Subject: [PATCH] Correct destination buffer size to strlcat

---
 ncdump/dumplib.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ncdump/dumplib.c b/ncdump/dumplib.c
index 82a034037..0f6b9fd9d 100644
--- a/ncdump/dumplib.c
+++ b/ncdump/dumplib.c
@@ -189,7 +189,7 @@ sbuf_cat(safebuf_t *sb, const char *s2) {
     assert(SAFEBUF_CHECK(sb));
     s2len = strlen(s2);
     sbuf_grow(sb, 1 + sb->cl + s2len);
-    res = strlcat(sb->buf + sb->cl, s2, sb->len);
+    res = strlcat(sb->buf + sb->cl, s2, sb->len - sb->cl);
     assert( res < sb->len );
     sb->cl += s2len;
     assert(SAFEBUF_CHECK(sb));
@@ -205,7 +205,7 @@ sbuf_catb(safebuf_t *s1, const safebuf_t *s2) {
     assert(SAFEBUF_CHECK(s2));
     s2len = sbuf_len(s2);
     sbuf_grow(s1, 1 + s1->cl + s2len);
-    res = strlcat(s1->buf + s1->cl, s2->buf, s1->len);
+    res = strlcat(s1->buf + s1->cl, s2->buf, s1->len - s1->cl);
     assert( res < s1->len );
     s1->cl += s2len;
     assert(SAFEBUF_CHECK(s1));