1 files changed, 24 insertions, 0 deletions

diff --git a/include/libbb.h b/include/libbb.h
index 2593c3ad2..3bec43233 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -289,6 +289,30 @@ void xpipe(int filedes[2]);
 off_t xlseek(int fd, off_t offset, int whence);
 off_t fdlength(int fd);
 
+/* Useful for having small structure members/global variables */
+typedef int8_t socktype_t;
+typedef int8_t family_t;
+struct BUG_too_small {
+        char BUG_socktype_t_too_small[(0
+                        | SOCK_STREAM
+                        | SOCK_DGRAM
+                        | SOCK_RDM
+                        | SOCK_SEQPACKET
+                        | SOCK_RAW
+                        ) <= 127 ? 1 : -1];
+        char BUG_family_t_too_small[(0
+                        | AF_UNSPEC
+                        | AF_INET
+                        | AF_INET6
+                        | AF_UNIX
+                        | AF_PACKET
+                        | AF_NETLINK
+                        /* | AF_DECnet */
+                        /* | AF_IPX */
+                        ) <= 127 ? 1 : -1];
+};
+
+
 int xsocket(int domain, int type, int protocol);
 void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen);
 void xlisten(int s, int backlog);