Improve definition of Sock_size_t

diff --git a/doio.c b/doio.c
index 271de28..a52df3e 100644 (file)
--- a/doio.c
+++ b/doio.c
@@ -66,6 +66,15 @@
 # endif
 #endif
 
+/* Put this after #includes because <unistd.h> defines _XOPEN_*. */
+#ifndef Sock_size_t
+#  if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED)
+#    define Sock_size_t Size_t
+#  else
+#    define Sock_size_t int
+#  endif
+#endif
+
 bool
 do_open(gv,name,len,as_raw,rawmode,rawperm,supplied_fp)
 GV *gv;
@@ -288,9 +297,10 @@ PerlIO *supplied_fp;
            !statbuf.st_mode
 #endif
        ) {
-           int buflen = sizeof tokenbuf;
-           if (getsockname(PerlIO_fileno(fp), (struct sockaddr *)tokenbuf, &buflen) >= 0
-               || errno != ENOTSOCK)
+           Sock_size_t buflen = sizeof tokenbuf;
+           if (getsockname(PerlIO_fileno(fp), (struct sockaddr *)tokenbuf,
+                           &buflen) >= 0
+                 || errno != ENOTSOCK)
                IoTYPE(io) = 's'; /* some OS's return 0 on fstat()ed socket */
                                /* but some return 0 for streams too, sigh */
        }

diff --git a/pp_sys.c b/pp_sys.c
index 3b06b9c..00012c3 100644 (file)
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -89,11 +89,13 @@ extern int h_errno;
 #   define vfork fork
 #endif
 
-/* Put this after #includes because <unistd.h> defines _XOPEN_VERSION. */
-#if _XOPEN_VERSION >= 4
-#   define Sock_size_t Size_t
-#else
-#   define Sock_size_t int
+/* Put this after #includes because <unistd.h> defines _XOPEN_*. */
+#ifndef Sock_size_t
+#  if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED)
+#    define Sock_size_t Size_t
+#  else
+#    define Sock_size_t int
+#  endif
 #endif
 
 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)