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Message-ID: <20180605235127.GA33151@mac_loaner.nbttech.com>
Date: Tue, 5 Jun 2018 16:51:27 -0700
From: Arthur Jones <arthur.jones@...erbed.com>
To: musl@...ts.openwall.com
Cc: chris@...nsourcerouting.org
Subject: [PATCH] inet_ntop: do not compress single zeros in IPv6
glibc does not compress a single :0: to ::, we're not
doing anything wrong, but this change will make us more
compatible w/ glibc and fix a downstream testing issue
here: https://github.com/FRRouting/frr/issues/2375
I ran the "fix" through libc-test inet_pton.c on alpine
linux edge and it passed...
I'm not subscribed to the mailing list so please CC me...
---
src/network/inet_ntop.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/network/inet_ntop.c b/src/network/inet_ntop.c
index 14f9f4c4..4bfef2c5 100644
--- a/src/network/inet_ntop.c
+++ b/src/network/inet_ntop.c
@@ -36,7 +36,7 @@ const char *inet_ntop(int af, const void *restrict a0, char *restrict s, socklen
j = strspn(buf+i, ":0");
if (j>max) best=i, max=j;
}
- if (max>2) {
+ if (max>3) {
buf[best] = buf[best+1] = ':';
memmove(buf+best+2, buf+best+max, i-best-max+1);
}
--
2.15.1 (Apple Git-101)
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