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Message-Id: <1561683273-18265-1-git-send-email-armccurdy@gmail.com>
Date: Thu, 27 Jun 2019 17:54:33 -0700
From: Andre McCurdy <armccurdy@...il.com>
To: musl@...ts.openwall.com
Cc: Andre McCurdy <armccurdy@...il.com>
Subject: [PATCH] drop unused extra char from getnameinfo() local buffer
The num local buffer is only passed to itoa(), which expects a buffer
size of 3*sizeof(int), not 3*sizeof(int)+1. Also change the data type
of the port local variable to clarify that itoa() only handles
unsigned values.
---
src/network/getnameinfo.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/network/getnameinfo.c b/src/network/getnameinfo.c
index f77e73a..02c2c09 100644
--- a/src/network/getnameinfo.c
+++ b/src/network/getnameinfo.c
@@ -124,7 +124,7 @@ int getnameinfo(const struct sockaddr *restrict sa, socklen_t sl,
int flags)
{
char ptr[PTR_MAX];
- char buf[256], num[3*sizeof(int)+1];
+ char buf[256], num[3*sizeof(int)];
int af = sa->sa_family;
unsigned char *a;
unsigned scopeid;
@@ -184,7 +184,7 @@ int getnameinfo(const struct sockaddr *restrict sa, socklen_t sl,
if (serv && servlen) {
char *p = buf;
- int port = ntohs(((struct sockaddr_in *)sa)->sin_port);
+ unsigned port = ntohs(((struct sockaddr_in *)sa)->sin_port);
buf[0] = 0;
if (!(flags & NI_NUMERICSERV))
reverse_services(buf, port, flags & NI_DGRAM);
--
1.9.1
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