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-rw-r--r--sysdeps/posix/getaddrinfo.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index f819bb4c0c..fb9709fee7 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -436,10 +436,10 @@ static int gaih_inet(const char *name, const struct gaih_service *service,
struct gaih_servtuple *st2;
struct gaih_addrtuple *at2 = at;
int j;
-#ifndef MAXHOSTNAMELEN
-#define MAXHOSTNAMELEN 128
-#endif /* MAXHOSTNAMELEN */
- char buffer[MAXHOSTNAMELEN];
+ /*
+ buffer is the size of an unformatted IPv6 address in printable format.
+ */
+ char buffer[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"];
while(at2) {
if (req->ai_flags & AI_CANONNAME) {