Find out return types and argument types for functions recv() and send() at configuration stage. (01fa02d0) · Commits · CYBER - Cyber Security / TS 103 523 MSP / TLMSP / TLMSP curl

acinclude.m4

+192 −0

Original line number	Diff line number	Diff line
		@@ -555,6 +555,198 @@ AC_DEFUN([CURL_CHECK_NI_WITHSCOPEID], [
		]) # AC_DEFUN


		dnl CURL_CHECK_FUNC_RECV
		dnl -------------------------------------------------
		dnl Test if the socket recv() function is available,
		dnl and check its return type and the types of its
		dnl arguments. If the function succeeds HAVE_RECV
		dnl will be defined, defining the types of the arguments
		dnl in RECV_TYPE_ARG1, RECV_TYPE_ARG2, RECV_TYPE_ARG3
		dnl and RECV_TYPE_ARG4, defining the type of the function
		dnl return value in RECV_TYPE_RETV.

		AC_DEFUN([CURL_CHECK_FUNC_RECV], [
		AC_CHECK_HEADERS(sys/types.h sys/socket.h)
		#
		AC_MSG_CHECKING([for recv])
		AC_TRY_LINK([
		#undef inline
		#ifdef HAVE_SYS_TYPES_H
		#include <sys/types.h>
		#endif
		#ifdef HAVE_SYS_SOCKET_H
		#include <sys/socket.h>
		#endif
		],[
		recv(0, 0, 0, 0);
		],[
		AC_MSG_RESULT([yes])
		curl_cv_recv="yes"
		],[
		AC_MSG_RESULT([no])
		curl_cv_recv="no"
		])
		#
		if test "$curl_cv_recv" = "yes"; then
		AC_CACHE_CHECK([types of arguments and return type for recv],
		[curl_cv_func_recv_args], [
		curl_cv_func_recv_args="unknown"
		for recv_retv in 'int' 'ssize_t'; do
		for recv_arg1 in 'int' 'ssize_t'; do
		for recv_arg2 in 'void ' 'char '; do
		for recv_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int' 'DWORD'; do
		for recv_arg4 in 'int' 'unsigned int'; do
		AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([
		#undef inline
		#ifdef HAVE_SYS_TYPES_H
		#include <sys/types.h>
		#endif
		#ifdef HAVE_SYS_SOCKET_H
		#include <sys/socket.h>
		#endif
		extern $recv_retv recv($recv_arg1, $recv_arg2, $recv_arg3, $recv_arg4);
		],[
		$recv_arg1 s=0;
		$recv_arg2 buf=0;
		$recv_arg3 len=0;
		$recv_arg4 flags=0;
		$recv_retv res = recv(s, buf, len, flags);
		])
		],[
		curl_cv_func_recv_args="$recv_arg1,$recv_arg2,$recv_arg3,$recv_arg4,$recv_retv"
		break 5
		])
		done
		done
		done
		done
		done
		]) # AC_CACHE_CHECK
		if test "$curl_cv_func_recv_args" = "unknown"; then
		AC_MSG_WARN([Cannot find proper types to use for recv args])
		AC_MSG_WARN([HAVE_RECV will not be defined])
		else
		recv_prev_IFS=$IFS; IFS=','
		set dummy `echo "$curl_cv_func_recv_args" \| sed 's/\/\/g'`
		IFS=$recv_prev_IFS
		shift
		#
		AC_DEFINE_UNQUOTED(RECV_TYPE_ARG1, $[1],
		[Define to the type of arg 1 for recv.])
		AC_DEFINE_UNQUOTED(RECV_TYPE_ARG2, $[2],
		[Define to the type of arg 2 for recv.])
		AC_DEFINE_UNQUOTED(RECV_TYPE_ARG3, $[3],
		[Define to the type of arg 3 for recv.])
		AC_DEFINE_UNQUOTED(RECV_TYPE_ARG4, $[4],
		[Define to the type of arg 4 for recv.])
		AC_DEFINE_UNQUOTED(RECV_TYPE_RETV, $[5],
		[Define to the function return type for recv.])
		#
		AC_DEFINE_UNQUOTED(HAVE_RECV, 1,
		[Define to 1 if you have the recv function.])
		ac_cv_func_recv="yes"
		fi
		fi
		]) # AC_DEFUN


		dnl CURL_CHECK_FUNC_SEND
		dnl -------------------------------------------------
		dnl Test if the socket send() function is available,
		dnl and check its return type and the types of its
		dnl arguments. If the function succeeds HAVE_SEND
		dnl will be defined, defining the types of the arguments
		dnl in SEND_TYPE_ARG1, SEND_TYPE_ARG2, SEND_TYPE_ARG3
		dnl and SEND_TYPE_ARG4, defining the type of the function
		dnl return value in SEND_TYPE_RETV.

		AC_DEFUN([CURL_CHECK_FUNC_SEND], [
		AC_CHECK_HEADERS(sys/types.h sys/socket.h)
		#
		AC_MSG_CHECKING([for send])
		AC_TRY_LINK([
		#undef inline
		#ifdef HAVE_SYS_TYPES_H
		#include <sys/types.h>
		#endif
		#ifdef HAVE_SYS_SOCKET_H
		#include <sys/socket.h>
		#endif
		],[
		send(0, 0, 0, 0);
		],[
		AC_MSG_RESULT([yes])
		curl_cv_send="yes"
		],[
		AC_MSG_RESULT([no])
		curl_cv_send="no"
		])
		#
		if test "$curl_cv_send" = "yes"; then
		AC_CACHE_CHECK([types of arguments and return type for send],
		[curl_cv_func_send_args], [
		curl_cv_func_send_args="unknown"
		for send_retv in 'int' 'ssize_t'; do
		for send_arg1 in 'int' 'ssize_t'; do
		for send_arg2 in 'void ' 'char '; do
		for send_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int' 'DWORD'; do
		for send_arg4 in 'int' 'unsigned int'; do
		AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([
		#undef inline
		#ifdef HAVE_SYS_TYPES_H
		#include <sys/types.h>
		#endif
		#ifdef HAVE_SYS_SOCKET_H
		#include <sys/socket.h>
		#endif
		extern $send_retv send($send_arg1, $send_arg2, $send_arg3, $send_arg4);
		],[
		$send_arg1 s=0;
		$send_arg2 buf=0;
		$send_arg3 len=0;
		$send_arg4 flags=0;
		$send_retv res = send(s, buf, len, flags);
		])
		],[
		curl_cv_func_send_args="$send_arg1,$send_arg2,$send_arg3,$send_arg4,$send_retv"
		break 5
		])
		done
		done
		done
		done
		done
		]) # AC_CACHE_CHECK
		if test "$curl_cv_func_send_args" = "unknown"; then
		AC_MSG_WARN([Cannot find proper types to use for send args])
		AC_MSG_WARN([HAVE_SEND will not be defined])
		else
		send_prev_IFS=$IFS; IFS=','
		set dummy `echo "$curl_cv_func_send_args" \| sed 's/\/\/g'`
		IFS=$send_prev_IFS
		shift
		#
		AC_DEFINE_UNQUOTED(SEND_TYPE_ARG1, $[1],
		[Define to the type of arg 1 for send.])
		AC_DEFINE_UNQUOTED(SEND_TYPE_ARG2, $[2],
		[Define to the type of arg 2 for send.])
		AC_DEFINE_UNQUOTED(SEND_TYPE_ARG3, $[3],
		[Define to the type of arg 3 for send.])
		AC_DEFINE_UNQUOTED(SEND_TYPE_ARG4, $[4],
		[Define to the type of arg 4 for send.])
		AC_DEFINE_UNQUOTED(SEND_TYPE_RETV, $[5],
		[Define to the function return type for send.])
		#
		AC_DEFINE_UNQUOTED(HAVE_SEND, 1,
		[Define to 1 if you have the send function.])
		ac_cv_func_send="yes"
		fi
		fi
		]) # AC_DEFUN


		dnl CURL_CHECK_NONBLOCKING_SOCKET
		dnl -------------------------------------------------
		dnl Check for how to set a socket to non-blocking state. There seems to exist

ares/acinclude.m4

+192 −0

Original line number	Diff line number	Diff line
		@@ -534,6 +534,198 @@ AC_DEFUN([CURL_CHECK_NI_WITHSCOPEID], [
		]) # AC_DEFUN


		dnl CURL_CHECK_FUNC_RECV
		dnl -------------------------------------------------
		dnl Test if the socket recv() function is available,
		dnl and check its return type and the types of its
		dnl arguments. If the function succeeds HAVE_RECV
		dnl will be defined, defining the types of the arguments
		dnl in RECV_TYPE_ARG1, RECV_TYPE_ARG2, RECV_TYPE_ARG3
		dnl and RECV_TYPE_ARG4, defining the type of the function
		dnl return value in RECV_TYPE_RETV.

		AC_DEFUN([CURL_CHECK_FUNC_RECV], [
		AC_CHECK_HEADERS(sys/types.h sys/socket.h)
		#
		AC_MSG_CHECKING([for recv])
		AC_TRY_LINK([
		#undef inline
		#ifdef HAVE_SYS_TYPES_H
		#include <sys/types.h>
		#endif
		#ifdef HAVE_SYS_SOCKET_H
		#include <sys/socket.h>
		#endif
		],[
		recv(0, 0, 0, 0);
		],[
		AC_MSG_RESULT([yes])
		curl_cv_recv="yes"
		],[
		AC_MSG_RESULT([no])
		curl_cv_recv="no"
		])
		#
		if test "$curl_cv_recv" = "yes"; then
		AC_CACHE_CHECK([types of arguments and return type for recv],
		[curl_cv_func_recv_args], [
		curl_cv_func_recv_args="unknown"
		for recv_retv in 'int' 'ssize_t'; do
		for recv_arg1 in 'int' 'ssize_t'; do
		for recv_arg2 in 'void ' 'char '; do
		for recv_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int' 'DWORD'; do
		for recv_arg4 in 'int' 'unsigned int'; do
		AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([
		#undef inline
		#ifdef HAVE_SYS_TYPES_H
		#include <sys/types.h>
		#endif
		#ifdef HAVE_SYS_SOCKET_H
		#include <sys/socket.h>
		#endif
		extern $recv_retv recv($recv_arg1, $recv_arg2, $recv_arg3, $recv_arg4);
		],[
		$recv_arg1 s=0;
		$recv_arg2 buf=0;
		$recv_arg3 len=0;
		$recv_arg4 flags=0;
		$recv_retv res = recv(s, buf, len, flags);
		])
		],[
		curl_cv_func_recv_args="$recv_arg1,$recv_arg2,$recv_arg3,$recv_arg4,$recv_retv"
		break 5
		])
		done
		done
		done
		done
		done
		]) # AC_CACHE_CHECK
		if test "$curl_cv_func_recv_args" = "unknown"; then
		AC_MSG_WARN([Cannot find proper types to use for recv args])
		AC_MSG_WARN([HAVE_RECV will not be defined])
		else
		recv_prev_IFS=$IFS; IFS=','
		set dummy `echo "$curl_cv_func_recv_args" \| sed 's/\/\/g'`
		IFS=$recv_prev_IFS
		shift
		#
		AC_DEFINE_UNQUOTED(RECV_TYPE_ARG1, $[1],
		[Define to the type of arg 1 for recv.])
		AC_DEFINE_UNQUOTED(RECV_TYPE_ARG2, $[2],
		[Define to the type of arg 2 for recv.])
		AC_DEFINE_UNQUOTED(RECV_TYPE_ARG3, $[3],
		[Define to the type of arg 3 for recv.])
		AC_DEFINE_UNQUOTED(RECV_TYPE_ARG4, $[4],
		[Define to the type of arg 4 for recv.])
		AC_DEFINE_UNQUOTED(RECV_TYPE_RETV, $[5],
		[Define to the function return type for recv.])
		#
		AC_DEFINE_UNQUOTED(HAVE_RECV, 1,
		[Define to 1 if you have the recv function.])
		ac_cv_func_recv="yes"
		fi
		fi
		]) # AC_DEFUN


		dnl CURL_CHECK_FUNC_SEND
		dnl -------------------------------------------------
		dnl Test if the socket send() function is available,
		dnl and check its return type and the types of its
		dnl arguments. If the function succeeds HAVE_SEND
		dnl will be defined, defining the types of the arguments
		dnl in SEND_TYPE_ARG1, SEND_TYPE_ARG2, SEND_TYPE_ARG3
		dnl and SEND_TYPE_ARG4, defining the type of the function
		dnl return value in SEND_TYPE_RETV.

		AC_DEFUN([CURL_CHECK_FUNC_SEND], [
		AC_CHECK_HEADERS(sys/types.h sys/socket.h)
		#
		AC_MSG_CHECKING([for send])
		AC_TRY_LINK([
		#undef inline
		#ifdef HAVE_SYS_TYPES_H
		#include <sys/types.h>
		#endif
		#ifdef HAVE_SYS_SOCKET_H
		#include <sys/socket.h>
		#endif
		],[
		send(0, 0, 0, 0);
		],[
		AC_MSG_RESULT([yes])
		curl_cv_send="yes"
		],[
		AC_MSG_RESULT([no])
		curl_cv_send="no"
		])
		#
		if test "$curl_cv_send" = "yes"; then
		AC_CACHE_CHECK([types of arguments and return type for send],
		[curl_cv_func_send_args], [
		curl_cv_func_send_args="unknown"
		for send_retv in 'int' 'ssize_t'; do
		for send_arg1 in 'int' 'ssize_t'; do
		for send_arg2 in 'void ' 'char '; do
		for send_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int' 'DWORD'; do
		for send_arg4 in 'int' 'unsigned int'; do
		AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([
		#undef inline
		#ifdef HAVE_SYS_TYPES_H
		#include <sys/types.h>
		#endif
		#ifdef HAVE_SYS_SOCKET_H
		#include <sys/socket.h>
		#endif
		extern $send_retv send($send_arg1, $send_arg2, $send_arg3, $send_arg4);
		],[
		$send_arg1 s=0;
		$send_arg2 buf=0;
		$send_arg3 len=0;
		$send_arg4 flags=0;
		$send_retv res = send(s, buf, len, flags);
		])
		],[
		curl_cv_func_send_args="$send_arg1,$send_arg2,$send_arg3,$send_arg4,$send_retv"
		break 5
		])
		done
		done
		done
		done
		done
		]) # AC_CACHE_CHECK
		if test "$curl_cv_func_send_args" = "unknown"; then
		AC_MSG_WARN([Cannot find proper types to use for send args])
		AC_MSG_WARN([HAVE_SEND will not be defined])
		else
		send_prev_IFS=$IFS; IFS=','
		set dummy `echo "$curl_cv_func_send_args" \| sed 's/\/\/g'`
		IFS=$send_prev_IFS
		shift
		#
		AC_DEFINE_UNQUOTED(SEND_TYPE_ARG1, $[1],
		[Define to the type of arg 1 for send.])
		AC_DEFINE_UNQUOTED(SEND_TYPE_ARG2, $[2],
		[Define to the type of arg 2 for send.])
		AC_DEFINE_UNQUOTED(SEND_TYPE_ARG3, $[3],
		[Define to the type of arg 3 for send.])
		AC_DEFINE_UNQUOTED(SEND_TYPE_ARG4, $[4],
		[Define to the type of arg 4 for send.])
		AC_DEFINE_UNQUOTED(SEND_TYPE_RETV, $[5],
		[Define to the function return type for send.])
		#
		AC_DEFINE_UNQUOTED(HAVE_SEND, 1,
		[Define to 1 if you have the send function.])
		ac_cv_func_send="yes"
		fi
		fi
		]) # AC_DEFUN


		dnl CURL_CHECK_NONBLOCKING_SOCKET
		dnl -------------------------------------------------
		dnl Check for how to set a socket to non-blocking state. There seems to exist

ares/configure.ac

+3 −0

Original line number	Diff line number	Diff line
		@@ -173,6 +173,9 @@ TYPE_IN_ADDR_T

		TYPE_SOCKADDR_STORAGE

		CURL_CHECK_FUNC_RECV

		CURL_CHECK_FUNC_SEND

		dnl check for AF_INET6
		CARES_CHECK_CONSTANT(

configure.ac

+4 −0

Original line number	Diff line number	Diff line
		@@ -1549,6 +1549,10 @@ TYPE_SOCKADDR_STORAGE

		AC_FUNC_SELECT_ARGTYPES

		CURL_CHECK_FUNC_RECV

		CURL_CHECK_FUNC_SEND

		dnl Checks for library functions.
		dnl AC_PROG_GCC_TRADITIONAL
		AC_TYPE_SIGNAL