Avoid using magic number

(Logical change 1.126)

1 files changed, 1 insertions, 1 deletions

diff --git a/tc/m_pedit.c b/tc/m_pedit.c
index 704bb04e..f3cec6fe 100644
--- a/tc/m_pedit.c
+++ b/tc/m_pedit.c
@@ -106,7 +106,7 @@ noexist:
 	p = malloc(sizeof(*p));
 	if (p) {
 		memset(p, 0, sizeof(*p));
-		strncpy(p->id, str, 15);
+		strncpy(p->id, str, sizeof(p->id)-1);
 		p->parse_peopt = pedit_parse_nopopt;
 		goto reg;
 	}