cares-functions.m4: improve gethostname arg 2 data type check
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@ -15,7 +15,7 @@
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#***************************************************************************
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# File version for 'aclocal' use. Keep it a single number.
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# serial 45
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# serial 46
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dnl CARES_INCLUDES_ARPA_INET
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@ -1408,6 +1408,7 @@ dnl HAVE_GETHOSTNAME will be defined.
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AC_DEFUN([CARES_CHECK_FUNC_GETHOSTNAME], [
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AC_REQUIRE([CARES_INCLUDES_WINSOCK2])dnl
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AC_REQUIRE([CARES_INCLUDES_UNISTD])dnl
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AC_REQUIRE([CARES_PREPROCESS_CALLCONV])dnl
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#
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tst_links_gethostname="unknown"
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tst_proto_gethostname="unknown"
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@ -1474,8 +1475,9 @@ AC_DEFUN([CARES_CHECK_FUNC_GETHOSTNAME], [
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AC_LANG_PROGRAM([[
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$cares_includes_winsock2
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$cares_includes_unistd
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$cares_preprocess_callconv
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extern int FUNCALLCONV gethostname($tst_arg1, $tst_arg2);
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]],[[
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int gethostname($tst_arg1 name, $tst_arg2 namelen);
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if(0 != gethostname(0, 0))
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return 1;
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]])
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