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-rw-r--r--socket.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/socket.c b/socket.c
index 9f17b09f..d1589d3b 100644
--- a/socket.c
+++ b/socket.c
@@ -170,7 +170,7 @@ static val getaddrinfo_wrap(val node_in, val service_in, val hints_in)
val node = default_arg(node_in, nil);
val service = default_arg(service_in, nil);
val hints = default_arg(hints_in, nil);
- struct addrinfo hints_ai, *phints = hints ? &hints_ai : 0, *alist, *aiter;
+ struct addrinfo hints_ai, *phints = hints ? &hints_ai : 0, *alist = 0, *aiter;
char *node_u8 = stringp(node) ? utf8_dup_to(c_str(node)) : 0;
char *service_u8 = stringp(service) ? utf8_dup_to(c_str(service)) : 0;
val node_num_p = integerp(node);
@@ -221,7 +221,9 @@ static val getaddrinfo_wrap(val node_in, val service_in, val hints_in)
}
}
- freeaddrinfo(alist);
+ /* Stupidly, POSIX doesn't require freeaddrinfo(0) to work. */
+ if (alist)
+ freeaddrinfo(alist);
return out;
}