X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=net.c;h=9579b7df73f6a2b795cc41de9f647a71ee754ec1;hp=2a3fc72be0ad446fa101dcbd9459107fb49f50dd;hb=1583369f6defebc7f44249b9ce4cc01f717db3b9;hpb=7565af270650435630bf212592286a8c6555d749

diff --git a/net.c b/net.c
index 2a3fc72b..9579b7df 100644
--- a/net.c
+++ b/net.c
@@ -6,6 +6,12 @@
 
 /** \file net.c Networking-related helper functions. */
 
+/*
+ * Since glibc 2.8, the _GNU_SOURCE feature test macro must be defined in order
+ * to obtain the definition of the ucred structure.
+ */
+#define _GNU_SOURCE
+
 #include <netdb.h>
 
 /* At least NetBSD needs these. */
@@ -736,7 +742,7 @@ int recv_cred_buffer(int fd, char *buf, size_t size)
  */
 ssize_t send_cred_buffer(int sock, char *buf)
 {
-	char control[sizeof(struct cmsghdr) + 10];
+	char control[sizeof(struct cmsghdr) + sizeof(struct ucred)];
 	struct msghdr msg;
 	struct cmsghdr *cmsg;
 	static struct iovec iov;