On OSF/1, the functions recv(), recvfrom(), send(), sendto() are declared
with an old-style declaration (return value 'int' instead of 'ssize_t',
and no use of 'socklen_t') by default. The fix is easy, this time: just
setting _POSIX_PII_SOCKET does it.
2010-12-19 Bruno Haible <br...@clisp.org>
sys_socket: Use POSIX compatible declarations on OSF/1 5.1.
* m4/sys_socket_h.m4 (gl_HEADER_SYS_SOCKET): On OSF/1, define
_POSIX_PII_SOCKET.
* doc/posix-functions/recv.texi: Document the OSF/1 problem.
* doc/posix-functions/recvfrom.texi: Likewise.
* doc/posix-functions/send.texi: Likewise.
* doc/posix-functions/sendto.texi: Likewise.
--- doc/posix-functions/recv.texi.orig Mon Dec 20 01:34:19 2010
+++ doc/posix-functions/recv.texi Mon Dec 20 01:33:57 2010
@@ -9,6 +9,10 @@
Portability problems fixed by Gnulib:
@itemize
@item
+This function has the return type @code{int} instead of @code{ssize_t}
+on some platforms:
+OSF/1 5.1.
+...@item
On Windows platforms (excluding Cygwin), error codes for @code{recv}
are not placed in @code{errno}, and @code{WSAGetLastError} must be
used instead.
--- doc/posix-functions/recvfrom.texi.orig Mon Dec 20 01:34:19 2010
+++ doc/posix-functions/recvfrom.texi Mon Dec 20 01:33:56 2010
@@ -9,6 +9,10 @@
Portability problems fixed by Gnulib:
@itemize
@item
+This function has the return type @code{int} instead of @code{ssize_t}
+on some platforms:
+OSF/1 5.1.
+...@item
On Windows platforms (excluding Cygwin), error codes for
@code{recvfrom} are not placed in @code{errno}, and
@code{WSAGetLastError} must be used instead.
--- doc/posix-functions/send.texi.orig Mon Dec 20 01:34:19 2010
+++ doc/posix-functions/send.texi Mon Dec 20 01:33:57 2010
@@ -9,6 +9,10 @@
Portability problems fixed by Gnulib:
@itemize
@item
+This function has the return type @code{int} instead of @code{ssize_t}
+on some platforms:
+OSF/1 5.1.
+...@item
On Windows platforms (excluding Cygwin), error codes for @code{send}
are not placed in @code{errno}, and @code{WSAGetLastError} must be
used instead.
--- doc/posix-functions/sendto.texi.orig Mon Dec 20 01:34:19 2010
+++ doc/posix-functions/sendto.texi Mon Dec 20 01:33:57 2010
@@ -9,6 +9,10 @@
Portability problems fixed by Gnulib:
@itemize
@item
+This function has the return type @code{int} instead of @code{ssize_t}
+on some platforms:
+OSF/1 5.1.
+...@item
On Windows platforms (excluding Cygwin), error codes for @code{sendto}
are not placed in @code{errno}, and @code{WSAGetLastError} must be
used instead.
--- m4/sys_socket_h.m4.orig Mon Dec 20 01:34:19 2010
+++ m4/sys_socket_h.m4 Mon Dec 20 01:32:24 2010
@@ -1,4 +1,4 @@
-# sys_socket_h.m4 serial 20
+# sys_socket_h.m4 serial 21
dnl Copyright (C) 2005-2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -9,8 +9,20 @@
AC_DEFUN([gl_HEADER_SYS_SOCKET],
[
AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS])
+ AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_C_INLINE])
+ dnl On OSF/1, the functions recv(), send(), recvfrom(), sendto() have
+ dnl old-style declarations (with return type 'int' instead of 'ssize_t')
+ dnl unless _POSIX_PII_SOCKET is defined.
+ case "$host_os" in
+ osf*)
+ AC_DEFINE([_POSIX_PII_SOCKET], [1],
+ [Define to 1 in order to get the POSIX compatible declarations
+ of socket functions.])
+ ;;
+ esac
+
AC_CACHE_CHECK([whether <sys/socket.h> is self-contained],
[gl_cv_header_sys_socket_h_selfcontained],
[
