/* Provide a sys/socket header file for systems lacking it (read: MinGW)
and for systems where it is incomplete.
- Copyright (C) 2005-2009 Free Software Foundation, Inc.
+ Copyright (C) 2005-2010 Free Software Foundation, Inc.
Written by Simon Josefsson.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
It is intended to provide definitions and prototypes needed by an
application. */
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
+#if defined _GL_ALREADY_INCLUDING_SYS_SOCKET_H
+/* Special invocation convention:
+ - On Cygwin 1.5.x we have a sequence of nested includes
+ <sys/socket.h> -> <cygwin/socket.h> -> <asm/socket.h> -> <cygwin/if.h>,
+ and the latter includes <sys/socket.h>. In this situation, the functions
+ are not yet declared, therefore we cannot provide the C++ aliases. */
+
+#@INCLUDE_NEXT@ @NEXT_SYS_SOCKET_H@
+
+#else
+/* Normal invocation convention. */
+
#ifndef _GL_SYS_SOCKET_H
#if @HAVE_SYS_SOCKET_H@
-# if __GNUC__ >= 3
-@PRAGMA_SYSTEM_HEADER@
-# endif
+# define _GL_ALREADY_INCLUDING_SYS_SOCKET_H
/* On many platforms, <sys/socket.h> assumes prior inclusion of
<sys/types.h>. */
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_SYS_SOCKET_H@
+# undef _GL_ALREADY_INCLUDING_SYS_SOCKET_H
+
#endif
#ifndef _GL_SYS_SOCKET_H
#define _GL_SYS_SOCKET_H
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
+
+/* The definition of _GL_ARG_NONNULL is copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
+
+#if !@HAVE_SA_FAMILY_T@
+typedef unsigned short sa_family_t;
+#endif
+
+#if !@HAVE_STRUCT_SOCKADDR_STORAGE@
+# include <alignof.h>
+/* Code taken from glibc sysdeps/unix/sysv/linux/bits/socket.h on
+ 2009-05-08, licensed under LGPLv2.1+, plus portability fixes. */
+# define __ss_aligntype unsigned long int
+# define _SS_SIZE 256
+# define _SS_PADSIZE \
+ (_SS_SIZE - ((sizeof (sa_family_t) >= alignof (__ss_aligntype) \
+ ? sizeof (sa_family_t) \
+ : alignof (__ss_aligntype)) \
+ + sizeof (__ss_aligntype)))
+
+struct sockaddr_storage
+{
+ sa_family_t ss_family; /* Address family, etc. */
+ __ss_aligntype __ss_align; /* Force desired alignment. */
+ char __ss_padding[_SS_PADSIZE];
+};
+#endif
+
#if @HAVE_SYS_SOCKET_H@
/* A platform that has <sys/socket.h>. */
# define SHUT_RDWR SD_BOTH
# endif
-/* The definition of GL_LINK_WARNING is copied here. */
-
# if @HAVE_WINSOCK2_H@
/* Include headers needed by the emulation code. */
# include <sys/types.h>
# endif
-# ifdef __cplusplus
-extern "C" {
-# endif
+#endif
-# if @HAVE_WINSOCK2_H@
+#if @HAVE_WINSOCK2_H@
/* Re-define FD_ISSET to avoid a WSA call while we are not using
network sockets. */
return 0;
}
-# undef FD_ISSET
-# define FD_ISSET(fd, set) rpl_fd_isset(fd, set)
+# undef FD_ISSET
+# define FD_ISSET(fd, set) rpl_fd_isset(fd, set)
-# endif
+#endif
/* Wrap everything else to use libc file descriptors for sockets. */
-# if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H
+#if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef close
# define close close_used_without_including_unistd_h
+# else
+ _GL_WARN_ON_USE (close,
+ "close() used without including <unistd.h>");
# endif
+#endif
-# if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H
+#if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef gethostname
# define gethostname gethostname_used_without_including_unistd_h
+# else
+ _GL_WARN_ON_USE (gethostname,
+ "gethostname() used without including <unistd.h>");
# endif
+#endif
-# if @GNULIB_SOCKET@
-# if @HAVE_WINSOCK2_H@
+#if @GNULIB_SOCKET@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef socket
-# define socket rpl_socket
-extern int rpl_socket (int, int, int protocol);
+# define socket rpl_socket
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef socket
-# define socket socket_used_without_requesting_gnulib_module_socket
-# elif defined GNULIB_POSIXCHECK
-# undef socket
-# define socket(d,t,p) \
- (GL_LINK_WARNING ("socket is not always POSIX compliant - " \
- "use gnulib module socket for portability"), \
- socket (d, t, p))
-# endif
-
-# if @GNULIB_CONNECT@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (socket, int, (int domain, int type, int protocol));
+_GL_CXXALIAS_RPL (socket, int, (int domain, int type, int protocol));
+# else
+_GL_CXXALIAS_SYS (socket, int, (int domain, int type, int protocol));
+# endif
+_GL_CXXALIASWARN (socket);
+#elif @HAVE_WINSOCK2_H@
+# undef socket
+# define socket socket_used_without_requesting_gnulib_module_socket
+#elif defined GNULIB_POSIXCHECK
+# undef socket
+# if HAVE_RAW_DECL_SOCKET
+_GL_WARN_ON_USE (socket, "socket is not always POSIX compliant - "
+ "use gnulib module socket for portability");
+# endif
+#endif
+
+#if @GNULIB_CONNECT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef connect
-# define connect rpl_connect
-extern int rpl_connect (int, struct sockaddr *, int);
+# define connect rpl_connect
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef connect
-# define connect socket_used_without_requesting_gnulib_module_connect
-# elif defined GNULIB_POSIXCHECK
-# undef connect
-# define connect(s,a,l) \
- (GL_LINK_WARNING ("connect is not always POSIX compliant - " \
- "use gnulib module connect for portability"), \
- connect (s, a, l))
-# endif
-
-# if @GNULIB_ACCEPT@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (connect, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (connect, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen));
+# else
+_GL_CXXALIAS_SYS (connect, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen));
+# endif
+_GL_CXXALIASWARN (connect);
+#elif @HAVE_WINSOCK2_H@
+# undef connect
+# define connect socket_used_without_requesting_gnulib_module_connect
+#elif defined GNULIB_POSIXCHECK
+# undef connect
+# if HAVE_RAW_DECL_CONNECT
+_GL_WARN_ON_USE (connect, "connect is not always POSIX compliant - "
+ "use gnulib module connect for portability");
+# endif
+#endif
+
+#if @GNULIB_ACCEPT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef accept
-# define accept rpl_accept
-extern int rpl_accept (int, struct sockaddr *, int *);
+# define accept rpl_accept
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef accept
-# define accept accept_used_without_requesting_gnulib_module_accept
-# elif defined GNULIB_POSIXCHECK
-# undef accept
-# define accept(s,a,l) \
- (GL_LINK_WARNING ("accept is not always POSIX compliant - " \
- "use gnulib module accept for portability"), \
- accept (s, a, l))
-# endif
-
-# if @GNULIB_BIND@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (accept, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+_GL_CXXALIAS_RPL (accept, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the third parameter is
+ void *addrlen. */
+_GL_CXXALIAS_SYS_CAST (accept, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# endif
+_GL_CXXALIASWARN (accept);
+#elif @HAVE_WINSOCK2_H@
+# undef accept
+# define accept accept_used_without_requesting_gnulib_module_accept
+#elif defined GNULIB_POSIXCHECK
+# undef accept
+# if HAVE_RAW_DECL_ACCEPT
+_GL_WARN_ON_USE (accept, "accept is not always POSIX compliant - "
+ "use gnulib module accept for portability");
+# endif
+#endif
+
+#if @GNULIB_BIND@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef bind
-# define bind rpl_bind
-extern int rpl_bind (int, struct sockaddr *, int);
+# define bind rpl_bind
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef bind
-# define bind bind_used_without_requesting_gnulib_module_bind
-# elif defined GNULIB_POSIXCHECK
-# undef bind
-# define bind(s,a,l) \
- (GL_LINK_WARNING ("bind is not always POSIX compliant - " \
- "use gnulib module bind for portability"), \
- bind (s, a, l))
-# endif
-
-# if @GNULIB_GETPEERNAME@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (bind, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (bind, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen));
+# else
+_GL_CXXALIAS_SYS (bind, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen));
+# endif
+_GL_CXXALIASWARN (bind);
+#elif @HAVE_WINSOCK2_H@
+# undef bind
+# define bind bind_used_without_requesting_gnulib_module_bind
+#elif defined GNULIB_POSIXCHECK
+# undef bind
+# if HAVE_RAW_DECL_BIND
+_GL_WARN_ON_USE (bind, "bind is not always POSIX compliant - "
+ "use gnulib module bind for portability");
+# endif
+#endif
+
+#if @GNULIB_GETPEERNAME@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef getpeername
-# define getpeername rpl_getpeername
-extern int rpl_getpeername (int, struct sockaddr *, int *);
+# define getpeername rpl_getpeername
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef getpeername
-# define getpeername getpeername_used_without_requesting_gnulib_module_getpeername
-# elif defined GNULIB_POSIXCHECK
-# undef getpeername
-# define getpeername(s,a,l) \
- (GL_LINK_WARNING ("getpeername is not always POSIX compliant - " \
- "use gnulib module getpeername for portability"), \
- getpeername (s, a, l))
-# endif
-
-# if @GNULIB_GETSOCKNAME@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (getpeername, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen)
+ _GL_ARG_NONNULL ((2, 3)));
+_GL_CXXALIAS_RPL (getpeername, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the third parameter is
+ void *addrlen. */
+_GL_CXXALIAS_SYS_CAST (getpeername, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# endif
+_GL_CXXALIASWARN (getpeername);
+#elif @HAVE_WINSOCK2_H@
+# undef getpeername
+# define getpeername getpeername_used_without_requesting_gnulib_module_getpeername
+#elif defined GNULIB_POSIXCHECK
+# undef getpeername
+# if HAVE_RAW_DECL_GETPEERNAME
+_GL_WARN_ON_USE (getpeername, "getpeername is not always POSIX compliant - "
+ "use gnulib module getpeername for portability");
+# endif
+#endif
+
+#if @GNULIB_GETSOCKNAME@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef getsockname
-# define getsockname rpl_getsockname
-extern int rpl_getsockname (int, struct sockaddr *, int *);
+# define getsockname rpl_getsockname
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef getsockname
-# define getsockname getsockname_used_without_requesting_gnulib_module_getsockname
-# elif defined GNULIB_POSIXCHECK
-# undef getsockname
-# define getsockname(s,a,l) \
- (GL_LINK_WARNING ("getsockname is not always POSIX compliant - " \
- "use gnulib module getsockname for portability"), \
- getsockname (s, a, l))
-# endif
-
-# if @GNULIB_GETSOCKOPT@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (getsockname, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen)
+ _GL_ARG_NONNULL ((2, 3)));
+_GL_CXXALIAS_RPL (getsockname, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the third parameter is
+ void *addrlen. */
+_GL_CXXALIAS_SYS_CAST (getsockname, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# endif
+_GL_CXXALIASWARN (getsockname);
+#elif @HAVE_WINSOCK2_H@
+# undef getsockname
+# define getsockname getsockname_used_without_requesting_gnulib_module_getsockname
+#elif defined GNULIB_POSIXCHECK
+# undef getsockname
+# if HAVE_RAW_DECL_GETSOCKNAME
+_GL_WARN_ON_USE (getsockname, "getsockname is not always POSIX compliant - "
+ "use gnulib module getsockname for portability");
+# endif
+#endif
+
+#if @GNULIB_GETSOCKOPT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef getsockopt
-# define getsockopt rpl_getsockopt
-extern int rpl_getsockopt (int, int, int, void *, socklen_t *);
+# define getsockopt rpl_getsockopt
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef getsockopt
-# define getsockopt getsockopt_used_without_requesting_gnulib_module_getsockopt
-# elif defined GNULIB_POSIXCHECK
-# undef getsockopt
-# define getsockopt(s,lvl,o,v,l) \
- (GL_LINK_WARNING ("getsockopt is not always POSIX compliant - " \
- "use gnulib module getsockopt for portability"), \
- getsockopt (s, lvl, o, v, l))
-# endif
-
-# if @GNULIB_LISTEN@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (getsockopt, int, (int fd, int level, int optname,
+ void *optval, socklen_t *optlen)
+ _GL_ARG_NONNULL ((4, 5)));
+_GL_CXXALIAS_RPL (getsockopt, int, (int fd, int level, int optname,
+ void *optval, socklen_t *optlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the fifth parameter is
+ void *optlen. */
+_GL_CXXALIAS_SYS_CAST (getsockopt, int, (int fd, int level, int optname,
+ void *optval, socklen_t *optlen));
+# endif
+_GL_CXXALIASWARN (getsockopt);
+#elif @HAVE_WINSOCK2_H@
+# undef getsockopt
+# define getsockopt getsockopt_used_without_requesting_gnulib_module_getsockopt
+#elif defined GNULIB_POSIXCHECK
+# undef getsockopt
+# if HAVE_RAW_DECL_GETSOCKOPT
+_GL_WARN_ON_USE (getsockopt, "getsockopt is not always POSIX compliant - "
+ "use gnulib module getsockopt for portability");
+# endif
+#endif
+
+#if @GNULIB_LISTEN@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef listen
-# define listen rpl_listen
-extern int rpl_listen (int, int);
+# define listen rpl_listen
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef listen
-# define listen listen_used_without_requesting_gnulib_module_listen
-# elif defined GNULIB_POSIXCHECK
-# undef listen
-# define listen(s,b) \
- (GL_LINK_WARNING ("listen is not always POSIX compliant - " \
- "use gnulib module listen for portability"), \
- listen (s, b))
-# endif
-
-# if @GNULIB_RECV@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (listen, int, (int fd, int backlog));
+_GL_CXXALIAS_RPL (listen, int, (int fd, int backlog));
+# else
+_GL_CXXALIAS_SYS (listen, int, (int fd, int backlog));
+# endif
+_GL_CXXALIASWARN (listen);
+#elif @HAVE_WINSOCK2_H@
+# undef listen
+# define listen listen_used_without_requesting_gnulib_module_listen
+#elif defined GNULIB_POSIXCHECK
+# undef listen
+# if HAVE_RAW_DECL_LISTEN
+_GL_WARN_ON_USE (listen, "listen is not always POSIX compliant - "
+ "use gnulib module listen for portability");
+# endif
+#endif
+
+#if @GNULIB_RECV@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef recv
-# define recv rpl_recv
-extern int rpl_recv (int, void *, int, int);
+# define recv rpl_recv
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef recv
-# define recv recv_used_without_requesting_gnulib_module_recv
-# elif defined GNULIB_POSIXCHECK
-# undef recv
-# define recv(s,b,n,f) \
- (GL_LINK_WARNING ("recv is not always POSIX compliant - " \
- "use gnulib module recv for portability"), \
- recv (s, b, n, f))
-# endif
-
-# if @GNULIB_SEND@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (recv, ssize_t, (int fd, void *buf, size_t len, int flags)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (recv, ssize_t, (int fd, void *buf, size_t len, int flags));
+# else
+_GL_CXXALIAS_SYS (recv, ssize_t, (int fd, void *buf, size_t len, int flags));
+# endif
+_GL_CXXALIASWARN (recv);
+#elif @HAVE_WINSOCK2_H@
+# undef recv
+# define recv recv_used_without_requesting_gnulib_module_recv
+#elif defined GNULIB_POSIXCHECK
+# undef recv
+# if HAVE_RAW_DECL_RECV
+_GL_WARN_ON_USE (recv, "recv is not always POSIX compliant - "
+ "use gnulib module recv for portability");
+# endif
+#endif
+
+#if @GNULIB_SEND@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef send
-# define send rpl_send
-extern int rpl_send (int, const void *, int, int);
+# define send rpl_send
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef send
-# define send send_used_without_requesting_gnulib_module_send
-# elif defined GNULIB_POSIXCHECK
-# undef send
-# define send(s,b,n,f) \
- (GL_LINK_WARNING ("send is not always POSIX compliant - " \
- "use gnulib module send for portability"), \
- send (s, b, n, f))
-# endif
-
-# if @GNULIB_RECVFROM@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (send, ssize_t,
+ (int fd, const void *buf, size_t len, int flags)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (send, ssize_t,
+ (int fd, const void *buf, size_t len, int flags));
+# else
+_GL_CXXALIAS_SYS (send, ssize_t,
+ (int fd, const void *buf, size_t len, int flags));
+# endif
+_GL_CXXALIASWARN (send);
+#elif @HAVE_WINSOCK2_H@
+# undef send
+# define send send_used_without_requesting_gnulib_module_send
+#elif defined GNULIB_POSIXCHECK
+# undef send
+# if HAVE_RAW_DECL_SEND
+_GL_WARN_ON_USE (send, "send is not always POSIX compliant - "
+ "use gnulib module send for portability");
+# endif
+#endif
+
+#if @GNULIB_RECVFROM@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef recvfrom
-# define recvfrom rpl_recvfrom
-extern int rpl_recvfrom (int, void *, int, int, struct sockaddr *, int *);
+# define recvfrom rpl_recvfrom
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef recvfrom
-# define recvfrom recvfrom_used_without_requesting_gnulib_module_recvfrom
-# elif defined GNULIB_POSIXCHECK
-# undef recvfrom
-# define recvfrom(s,b,n,f,a,l) \
- (GL_LINK_WARNING ("recvfrom is not always POSIX compliant - " \
- "use gnulib module recvfrom for portability"), \
- recvfrom (s, b, n, f, a, l))
-# endif
-
-# if @GNULIB_SENDTO@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (recvfrom, ssize_t,
+ (int fd, void *buf, size_t len, int flags,
+ struct sockaddr *from, socklen_t *fromlen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (recvfrom, ssize_t,
+ (int fd, void *buf, size_t len, int flags,
+ struct sockaddr *from, socklen_t *fromlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the sixth parameter is
+ void *fromlen. */
+_GL_CXXALIAS_SYS_CAST (recvfrom, ssize_t,
+ (int fd, void *buf, size_t len, int flags,
+ struct sockaddr *from, socklen_t *fromlen));
+# endif
+_GL_CXXALIASWARN (recvfrom);
+#elif @HAVE_WINSOCK2_H@
+# undef recvfrom
+# define recvfrom recvfrom_used_without_requesting_gnulib_module_recvfrom
+#elif defined GNULIB_POSIXCHECK
+# undef recvfrom
+# if HAVE_RAW_DECL_RECVFROM
+_GL_WARN_ON_USE (recvfrom, "recvfrom is not always POSIX compliant - "
+ "use gnulib module recvfrom for portability");
+# endif
+#endif
+
+#if @GNULIB_SENDTO@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef sendto
-# define sendto rpl_sendto
-extern int rpl_sendto (int, const void *, int, int, struct sockaddr *, int);
+# define sendto rpl_sendto
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef sendto
-# define sendto sendto_used_without_requesting_gnulib_module_sendto
-# elif defined GNULIB_POSIXCHECK
-# undef sendto
-# define sendto(s,b,n,f,a,l) \
- (GL_LINK_WARNING ("sendto is not always POSIX compliant - " \
- "use gnulib module sendto for portability"), \
- sendto (s, b, n, f, a, l))
-# endif
-
-# if @GNULIB_SETSOCKOPT@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (sendto, ssize_t,
+ (int fd, const void *buf, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (sendto, ssize_t,
+ (int fd, const void *buf, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen));
+# else
+_GL_CXXALIAS_SYS (sendto, ssize_t,
+ (int fd, const void *buf, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen));
+# endif
+_GL_CXXALIASWARN (sendto);
+#elif @HAVE_WINSOCK2_H@
+# undef sendto
+# define sendto sendto_used_without_requesting_gnulib_module_sendto
+#elif defined GNULIB_POSIXCHECK
+# undef sendto
+# if HAVE_RAW_DECL_SENDTO
+_GL_WARN_ON_USE (sendto, "sendto is not always POSIX compliant - "
+ "use gnulib module sendto for portability");
+# endif
+#endif
+
+#if @GNULIB_SETSOCKOPT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef setsockopt
-# define setsockopt rpl_setsockopt
-extern int rpl_setsockopt (int, int, int, const void *, socklen_t);
+# define setsockopt rpl_setsockopt
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef setsockopt
-# define setsockopt setsockopt_used_without_requesting_gnulib_module_setsockopt
-# elif defined GNULIB_POSIXCHECK
-# undef setsockopt
-# define setsockopt(s,lvl,o,v,l) \
- (GL_LINK_WARNING ("setsockopt is not always POSIX compliant - " \
- "use gnulib module setsockopt for portability"), \
- setsockopt (s, lvl, o, v, l))
-# endif
-
-# if @GNULIB_SHUTDOWN@
-# if @HAVE_WINSOCK2_H@
+_GL_FUNCDECL_RPL (setsockopt, int, (int fd, int level, int optname,
+ const void * optval, socklen_t optlen)
+ _GL_ARG_NONNULL ((4)));
+_GL_CXXALIAS_RPL (setsockopt, int, (int fd, int level, int optname,
+ const void * optval, socklen_t optlen));
+# else
+_GL_CXXALIAS_SYS (setsockopt, int, (int fd, int level, int optname,
+ const void * optval, socklen_t optlen));
+# endif
+_GL_CXXALIASWARN (setsockopt);
+#elif @HAVE_WINSOCK2_H@
+# undef setsockopt
+# define setsockopt setsockopt_used_without_requesting_gnulib_module_setsockopt
+#elif defined GNULIB_POSIXCHECK
+# undef setsockopt
+# if HAVE_RAW_DECL_SETSOCKOPT
+_GL_WARN_ON_USE (setsockopt, "setsockopt is not always POSIX compliant - "
+ "use gnulib module setsockopt for portability");
+# endif
+#endif
+
+#if @GNULIB_SHUTDOWN@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef shutdown
-# define shutdown rpl_shutdown
-extern int rpl_shutdown (int, int);
+# define shutdown rpl_shutdown
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef shutdown
-# define shutdown shutdown_used_without_requesting_gnulib_module_shutdown
-# elif defined GNULIB_POSIXCHECK
-# undef shutdown
-# define shutdown(s,h) \
- (GL_LINK_WARNING ("shutdown is not always POSIX compliant - " \
- "use gnulib module shutdown for portability"), \
- shutdown (s, h))
+_GL_FUNCDECL_RPL (shutdown, int, (int fd, int how));
+_GL_CXXALIAS_RPL (shutdown, int, (int fd, int how));
+# else
+_GL_CXXALIAS_SYS (shutdown, int, (int fd, int how));
+# endif
+_GL_CXXALIASWARN (shutdown);
+#elif @HAVE_WINSOCK2_H@
+# undef shutdown
+# define shutdown shutdown_used_without_requesting_gnulib_module_shutdown
+#elif defined GNULIB_POSIXCHECK
+# undef shutdown
+# if HAVE_RAW_DECL_SHUTDOWN
+_GL_WARN_ON_USE (shutdown, "shutdown is not always POSIX compliant - "
+ "use gnulib module shutdown for portability");
# endif
+#endif
-# if @HAVE_WINSOCK2_H@
+#if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef select
-# define select select_used_without_including_sys_select_h
+# define select select_used_without_including_sys_select_h
+# else
+ _GL_WARN_ON_USE (select,
+ "select() used without including <sys/select.h>");
# endif
+#endif
-# ifdef __cplusplus
-}
+#if @GNULIB_ACCEPT4@
+/* Accept a connection on a socket, with specific opening flags.
+ The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
+ and O_TEXT, O_BINARY (defined in "binary-io.h").
+ See also the Linux man page at
+ <http://www.kernel.org/doc/man-pages/online/pages/man2/accept4.2.html>. */
+# if @HAVE_ACCEPT4@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define accept4 rpl_accept4
+# endif
+_GL_FUNCDECL_RPL (accept4, int,
+ (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
+ int flags));
+_GL_CXXALIAS_RPL (accept4, int,
+ (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
+ int flags));
+# else
+_GL_FUNCDECL_SYS (accept4, int,
+ (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
+ int flags));
+_GL_CXXALIAS_SYS (accept4, int,
+ (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
+ int flags));
# endif
-
-#endif /* HAVE_SYS_SOCKET_H */
+_GL_CXXALIASWARN (accept4);
+#elif defined GNULIB_POSIXCHECK
+# undef accept4
+# if HAVE_RAW_DECL_ACCEPT4
+_GL_WARN_ON_USE (accept4, "accept4 is unportable - "
+ "use gnulib module accept4 for portability");
+# endif
+#endif
#endif /* _GL_SYS_SOCKET_H */
#endif /* _GL_SYS_SOCKET_H */
+#endif
projects / debian / amanda / blobdiff