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HAVE_INET_PTON will only be defined when an IPv6 capable working

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inet_pton function is available.
This commit is contained in:
Yang Tse
2008-09-24 19:13:01 +00:00
parent 267b942383
commit 4d437416da
13 changed files with 336 additions and 61 deletions
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161
m4/curl-functions.m4
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@@ -1427,6 +1427,167 @@ AC_DEFUN([CURL_CHECK_FUNC_INET_NTOP], [
])
dnl CURL_CHECK_FUNC_INET_PTON
dnl -------------------------------------------------
dnl Verify if inet_pton is available, prototyped, can
dnl be compiled and seems to work. If all of these are
dnl true, and usage has not been previously disallowed
dnl with shell variable curl_disallow_inet_pton, then
dnl HAVE_INET_PTON will be defined.
AC_DEFUN([CURL_CHECK_FUNC_INET_PTON], [
AC_REQUIRE([CURL_INCLUDES_ARPA_INET])dnl
AC_REQUIRE([CURL_INCLUDES_STRING])dnl
#
tst_links_inet_pton="unknown"
tst_proto_inet_pton="unknown"
tst_compi_inet_pton="unknown"
tst_works_inet_pton="unknown"
tst_allow_inet_pton="unknown"
#
AC_MSG_CHECKING([if inet_pton can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([inet_pton])
],[
AC_MSG_RESULT([yes])
tst_links_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_links_inet_pton="no"
])
#
if test "$tst_links_inet_pton" = "yes"; then
AC_MSG_CHECKING([if inet_pton is prototyped])
AC_EGREP_CPP([inet_pton],[
$curl_includes_arpa_inet
],[
AC_MSG_RESULT([yes])
tst_proto_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_proto_inet_pton="no"
])
fi
#
if test "$tst_proto_inet_pton" = "yes"; then
AC_MSG_CHECKING([if inet_pton is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_arpa_inet
]],[[
if(0 != inet_pton(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_compi_inet_pton="no"
])
fi
#
dnl only do runtime verification when not cross-compiling
if test "x$cross_compiling" != "xyes" &&
test "$tst_compi_inet_pton" = "yes"; then
AC_MSG_CHECKING([if inet_pton seems to work])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_arpa_inet
$curl_includes_string
]],[[
unsigned char ipv6a[26];
unsigned char ipv4a[5];
const char *ipv6src = "fe80::214:4fff:fe0b:76c8";
const char *ipv4src = "192.168.100.1";
/* - */
memset(ipv4a, 1, sizeof(ipv4a));
if(1 != inet_pton(AF_INET, ipv4src, ipv4a))
exit(1); /* fail */
/* - */
if( (ipv4a[0] != 0xc0) ||
(ipv4a[1] != 0xa8) ||
(ipv4a[2] != 0x64) ||
(ipv4a[3] != 0x01) ||
(ipv4a[4] != 0x01) )
exit(1); /* fail */
/* - */
memset(ipv6a, 1, sizeof(ipv6a));
if(1 != inet_pton(AF_INET6, ipv6src, ipv6a))
exit(1); /* fail */
/* - */
ipv6res[0] = '\0';
memset(ipv6a, 0, sizeof(ipv6a));
if( (ipv6a[0] != 0xfe) ||
(ipv6a[1] != 0x80) ||
(ipv6a[8] != 0x02) ||
(ipv6a[9] != 0x14) ||
(ipv6a[10] != 0x4f) ||
(ipv6a[11] != 0xff) ||
(ipv6a[12] != 0xfe) ||
(ipv6a[13] != 0x0b) ||
(ipv6a[14] != 0x76) ||
(ipv6a[15] != 0xc8) ||
(ipv6a[25] != 0x01) )
exit(1); /* fail */
/* - */
if( (ipv6a[2] != 0x0) ||
(ipv6a[3] != 0x0) ||
(ipv6a[4] != 0x0) ||
(ipv6a[5] != 0x0) ||
(ipv6a[6] != 0x0) ||
(ipv6a[7] != 0x0) ||
(ipv6a[16] != 0x0) ||
(ipv6a[17] != 0x0) ||
(ipv6a[18] != 0x0) ||
(ipv6a[19] != 0x0) ||
(ipv6a[20] != 0x0) ||
(ipv6a[21] != 0x0) ||
(ipv6a[22] != 0x0) ||
(ipv6a[23] != 0x0) ||
(ipv6a[24] != 0x0) )
exit(1); /* fail */
/* - */
exit(0);
]])
],[
AC_MSG_RESULT([yes])
tst_works_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_works_inet_pton="no"
])
fi
#
if test "$tst_compi_inet_pton" = "yes" &&
test "$tst_works_inet_pton" != "no"; then
AC_MSG_CHECKING([if inet_pton usage allowed])
if test "x$curl_disallow_inet_pton" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_inet_pton="yes"
else
AC_MSG_RESULT([no])
tst_allow_inet_pton="no"
fi
fi
#
AC_MSG_CHECKING([if inet_pton might be used])
if test "$tst_links_inet_pton" = "yes" &&
test "$tst_proto_inet_pton" = "yes" &&
test "$tst_compi_inet_pton" = "yes" &&
test "$tst_allow_inet_pton" = "yes" &&
test "$tst_works_inet_pton" != "no"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_INET_PTON, 1,
[Define to 1 if you have a IPv6 capable working inet_pton function.])
ac_cv_func_inet_pton="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_inet_pton="no"
fi
])
dnl CURL_CHECK_FUNC_LOCALTIME_R
dnl -------------------------------------------------
dnl Verify if localtime_r is available, prototyped, can