Allow multiple gnulib generated replacements to coexist.

[gnulib.git] / lib / sys_socket.in.h

diff --git a/lib/sys_socket.in.h b/lib/sys_socket.in.h
index 0275638..55f36ef 100644 (file)
--- a/lib/sys_socket.in.h
+++ b/lib/sys_socket.in.h
@@ -67,7 +67,10 @@
 /* The definition of _GL_WARN_ON_USE is copied here.  */
 
 #if !@HAVE_SA_FAMILY_T@
+# if !GNULIB_defined_sa_family_t
 typedef unsigned short  sa_family_t;
+#  define GNULIB_defined_sa_family_t 1
+# endif
 #endif
 
 #if @HAVE_STRUCT_SOCKADDR_STORAGE@
@@ -89,12 +92,16 @@ typedef unsigned short  sa_family_t;
                   : alignof (__ss_aligntype))                           \
                  + sizeof (__ss_aligntype)))
 
+# if !GNULIB_defined_struct_sockaddr_storage
 struct sockaddr_storage
 {
   sa_family_t ss_family;      /* Address family, etc.  */
   __ss_aligntype __ss_align;  /* Force desired alignment.  */
   char __ss_padding[_SS_PADSIZE];
 };
+#  define GNULIB_defined_struct_sockaddr_storage 1
+# endif
+
 #endif
 
 #if @HAVE_SYS_SOCKET_H@
@@ -159,7 +166,10 @@ struct sockaddr_storage
 #  include <sys/types.h>
 #  include <io.h>
 
+#  if !GNULIB_defined_socklen_t
 typedef int socklen_t;
+#   define GNULIB_defined_socklen_t 1
+#  endif
 
 # endif
 
@@ -167,6 +177,8 @@ typedef int socklen_t;
 
 #if @HAVE_WINSOCK2_H@
 
+# if !GNULIB_defined_rpl_fd_isset
+
 /* Re-define FD_ISSET to avoid a WSA call while we are not using
    network sockets.  */
 static inline int
@@ -183,6 +195,9 @@ rpl_fd_isset (SOCKET fd, fd_set * set)
   return 0;
 }
 
+#  define GNULIB_defined_rpl_fd_isset 1
+# endif
+
 # undef FD_ISSET
 # define FD_ISSET(fd, set) rpl_fd_isset(fd, set)