Update.
2003-04-24 Ulrich Drepper <drepper@redhat.com> * include/ifaddrs.h: New file. * include/netdb.h: Move definitions of AI_V4MAPPED, AI_ALL, and AI_ADDRCONFIG... * resolv/netdb.h: ...here. * sysdeps/gnu/ifaddrs.c. Use libc_hidden_def where appropriate. * sysdeps/unix/sysv/linux/ifaddrs.c: Likewise. * sysdeps/posix/getaddrinfo.c: Implement AI_V4MAPPED, AI_ALL, and AI_ADDRCONFIG.
This commit is contained in:
Ulrich Drepper
parent
ff479b9b9a
commit
925c3c5c71
11
ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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2003-04-24 Ulrich Drepper <drepper@redhat.com>
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* include/ifaddrs.h: New file.
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* include/netdb.h: Move definitions of AI_V4MAPPED, AI_ALL, and
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AI_ADDRCONFIG...
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* resolv/netdb.h: ...here.
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* sysdeps/gnu/ifaddrs.c. Use libc_hidden_def where appropriate.
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* sysdeps/unix/sysv/linux/ifaddrs.c: Likewise.
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* sysdeps/posix/getaddrinfo.c: Implement AI_V4MAPPED, AI_ALL, and
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AI_ADDRCONFIG.
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2003-04-24 Roland McGrath <roland@redhat.com>
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* elf/dl-reloc.c (_dl_allocate_static_tls): Add internal_function.
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8
NEWS
8
NEWS
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@ -1,4 +1,4 @@
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GNU C Library NEWS -- history of user-visible changes. 2003-3-15
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GNU C Library NEWS -- history of user-visible changes. 2003-4-24
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Copyright (C) 1992-2002,2003 Free Software Foundation, Inc.
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See the end for copying conditions.
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@ -12,6 +12,12 @@ Version 2.3.3
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* ELF thread-local storage support (TLS) now works on PowerPC and PowerPC64;
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implemented by Paul Mackerras, Steven Munroe, and Roland McGrath.
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* getifaddrs new uses on Linux the netlink interface to get the information.
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Implemented by Thorsten Kukuk.
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* getaddrinfo now implements AI_V4MAPPED, AI_ALL, and AI_ADDRCONF.
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Implemented by Ulrich Drepper.
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Version 2.3.2
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@ -312,7 +312,7 @@ ac_includes_default="\
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# include <unistd.h>
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#endif"
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ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS with_fp with_cvs enable_check_abi oldest_abi subdirs force_install all_warnings build build_cpu build_vendor build_os host host_cpu host_vendor host_os base_machine sysnames INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC OBJEXT BUILD_CC cross_compiling CPP AR OBJDUMP RANLIB ac_ct_RANLIB MIG AS LD PWD_P MAKE MSGFMT MAKEINFO SED AUTOCONF CCVERSION SYSINCLUDES libc_cv_gcc_static_libgcc BASH libc_cv_have_bash2 KSH libc_cv_have_ksh AWK PERL INSTALL_INFO OLD_DEBIAN_INSTALL_INFO BISON VERSIONING libc_cv_asm_protected_directive libc_cv_initfinit_array libc_cv_z_nodelete libc_cv_z_nodlopen libc_cv_z_initfirst libc_cv_Bgroup libc_cv_z_combreloc libc_cv_have_initfini libc_cv_cpp_asm_debuginfo no_whole_archive exceptions LIBGD EGREP sizeof_long_double libc_cv_gcc_unwind_find_fde uname_sysname uname_release uname_version old_glibc_headers libc_cv_slibdir libc_cv_localedir libc_cv_sysconfdir libc_cv_rootsbindir use_ldconfig ldd_rewrite_script gnu_ld gnu_as elf xcoff static shared pic_default profile omitfp bounded static_nss nopic_initfini DEFINES linux_doors mach_interface_list VERSION RELEASE LIBOBJS LTLIBOBJS'
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ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS with_fp with_cvs enable_check_abi oldest_abi subdirs force_install all_warnings build build_cpu build_vendor build_os host host_cpu host_vendor host_os base_machine sysnames INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC OBJEXT BUILD_CC cross_compiling CPP CXX CXXFLAGS ac_ct_CXX AR OBJDUMP RANLIB ac_ct_RANLIB MIG AS LD PWD_P MAKE MSGFMT MAKEINFO SED AUTOCONF CCVERSION SYSINCLUDES libc_cv_gcc_static_libgcc BASH libc_cv_have_bash2 KSH libc_cv_have_ksh AWK PERL INSTALL_INFO OLD_DEBIAN_INSTALL_INFO BISON VERSIONING libc_cv_asm_protected_directive libc_cv_initfinit_array libc_cv_z_nodelete libc_cv_z_nodlopen libc_cv_z_initfirst libc_cv_Bgroup libc_cv_z_combreloc libc_cv_have_initfini libc_cv_cpp_asm_debuginfo no_whole_archive exceptions LIBGD EGREP sizeof_long_double libc_cv_gcc_unwind_find_fde uname_sysname uname_release uname_version old_glibc_headers libc_cv_slibdir libc_cv_localedir libc_cv_sysconfdir libc_cv_rootsbindir use_ldconfig ldd_rewrite_script gnu_ld gnu_as elf xcoff static shared pic_default profile omitfp bounded static_nss nopic_initfini DEFINES linux_doors mach_interface_list VERSION RELEASE LIBOBJS LTLIBOBJS'
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ac_subst_files=''
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# Initialize some variables set by options.
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@ -773,6 +773,14 @@ ac_env_CPP_set=${CPP+set}
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ac_env_CPP_value=$CPP
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ac_cv_env_CPP_set=${CPP+set}
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ac_cv_env_CPP_value=$CPP
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ac_env_CXX_set=${CXX+set}
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ac_env_CXX_value=$CXX
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ac_cv_env_CXX_set=${CXX+set}
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ac_cv_env_CXX_value=$CXX
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ac_env_CXXFLAGS_set=${CXXFLAGS+set}
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ac_env_CXXFLAGS_value=$CXXFLAGS
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ac_cv_env_CXXFLAGS_set=${CXXFLAGS+set}
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ac_cv_env_CXXFLAGS_value=$CXXFLAGS
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#
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# Report the --help message.
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@ -901,6 +909,8 @@ Some influential environment variables:
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CPPFLAGS C/C++ preprocessor flags, e.g. -I<include dir> if you have
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headers in a nonstandard directory <include dir>
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CPP C preprocessor
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CXX C++ compiler command
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CXXFLAGS C++ compiler flags
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Use these variables to override the choices made by `configure' or to help
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it to find libraries and programs with nonstandard names/locations.
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ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_c_compiler_gnu
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# We need the C++ compiler only for testing.
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ac_ext=cc
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ac_cpp='$CXXCPP $CPPFLAGS'
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ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
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if test -n "$ac_tool_prefix"; then
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for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC
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do
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# Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
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set dummy $ac_tool_prefix$ac_prog; ac_word=$2
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echo "$as_me:$LINENO: checking for $ac_word" >&5
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echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
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if test "${ac_cv_prog_CXX+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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if test -n "$CXX"; then
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ac_cv_prog_CXX="$CXX" # Let the user override the test.
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else
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_exec_ext in '' $ac_executable_extensions; do
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if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
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ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
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echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
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break 2
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fi
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done
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done
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fi
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fi
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CXX=$ac_cv_prog_CXX
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if test -n "$CXX"; then
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echo "$as_me:$LINENO: result: $CXX" >&5
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echo "${ECHO_T}$CXX" >&6
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else
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echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6
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fi
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test -n "$CXX" && break
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done
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fi
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if test -z "$CXX"; then
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ac_ct_CXX=$CXX
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for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC
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do
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# Extract the first word of "$ac_prog", so it can be a program name with args.
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set dummy $ac_prog; ac_word=$2
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echo "$as_me:$LINENO: checking for $ac_word" >&5
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echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
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if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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if test -n "$ac_ct_CXX"; then
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ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
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else
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_exec_ext in '' $ac_executable_extensions; do
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if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
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ac_cv_prog_ac_ct_CXX="$ac_prog"
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echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
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break 2
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fi
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done
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done
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fi
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fi
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ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
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if test -n "$ac_ct_CXX"; then
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echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5
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echo "${ECHO_T}$ac_ct_CXX" >&6
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else
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echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6
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fi
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test -n "$ac_ct_CXX" && break
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done
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test -n "$ac_ct_CXX" || ac_ct_CXX="g++"
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CXX=$ac_ct_CXX
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fi
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# Provide some information about the compiler.
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echo "$as_me:$LINENO:" \
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"checking for C++ compiler version" >&5
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ac_compiler=`set X $ac_compile; echo $2`
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{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
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(eval $ac_compiler --version </dev/null >&5) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }
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{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
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(eval $ac_compiler -v </dev/null >&5) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }
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{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
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(eval $ac_compiler -V </dev/null >&5) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }
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echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5
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echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6
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if test "${ac_cv_cxx_compiler_gnu+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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#line $LINENO "configure"
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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int
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main ()
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{
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#ifndef __GNUC__
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choke me
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#endif
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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ac_compiler_gnu=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_compiler_gnu=no
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fi
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rm -f conftest.$ac_objext conftest.$ac_ext
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ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
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fi
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echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5
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echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6
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GXX=`test $ac_compiler_gnu = yes && echo yes`
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ac_test_CXXFLAGS=${CXXFLAGS+set}
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ac_save_CXXFLAGS=$CXXFLAGS
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CXXFLAGS="-g"
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echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5
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echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6
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if test "${ac_cv_prog_cxx_g+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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#line $LINENO "configure"
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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int
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main ()
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{
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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ac_cv_prog_cxx_g=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_prog_cxx_g=no
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fi
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rm -f conftest.$ac_objext conftest.$ac_ext
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fi
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echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
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echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6
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if test "$ac_test_CXXFLAGS" = set; then
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CXXFLAGS=$ac_save_CXXFLAGS
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elif test $ac_cv_prog_cxx_g = yes; then
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if test "$GXX" = yes; then
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CXXFLAGS="-g -O2"
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else
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CXXFLAGS="-g"
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fi
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else
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if test "$GXX" = yes; then
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CXXFLAGS="-O2"
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else
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CXXFLAGS=
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fi
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fi
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for ac_declaration in \
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''\
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'#include <stdlib.h>' \
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'extern "C" void std::exit (int) throw (); using std::exit;' \
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'extern "C" void std::exit (int); using std::exit;' \
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'extern "C" void exit (int) throw ();' \
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'extern "C" void exit (int);' \
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'void exit (int);'
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do
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cat >conftest.$ac_ext <<_ACEOF
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#line $LINENO "configure"
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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#include <stdlib.h>
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$ac_declaration
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int
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main ()
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{
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exit (42);
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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:
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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continue
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fi
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rm -f conftest.$ac_objext conftest.$ac_ext
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cat >conftest.$ac_ext <<_ACEOF
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#line $LINENO "configure"
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_declaration
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int
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main ()
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{
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exit (42);
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;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
|
||||
(eval $ac_compile) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); } &&
|
||||
{ ac_try='test -s conftest.$ac_objext'
|
||||
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
|
||||
(eval $ac_try) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; }; then
|
||||
break
|
||||
else
|
||||
echo "$as_me: failed program was:" >&5
|
||||
sed 's/^/| /' conftest.$ac_ext >&5
|
||||
|
||||
fi
|
||||
rm -f conftest.$ac_objext conftest.$ac_ext
|
||||
done
|
||||
rm -f conftest*
|
||||
if test -n "$ac_declaration"; then
|
||||
echo '#ifdef __cplusplus' >>confdefs.h
|
||||
echo $ac_declaration >>confdefs.h
|
||||
echo '#endif' >>confdefs.h
|
||||
fi
|
||||
|
||||
ac_ext=c
|
||||
ac_cpp='$CPP $CPPFLAGS'
|
||||
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
|
||||
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
|
||||
ac_compiler_gnu=$ac_cv_c_compiler_gnu
|
||||
|
||||
# Was a --with-binutils option given?
|
||||
if test -n "$path_binutils"; then
|
||||
# Make absolute; ensure a single trailing slash.
|
||||
|
|
@ -5203,7 +5534,7 @@ if test "${libc_cv_asm_underscores+set}" = set; then
|
|||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 5206 "configure"
|
||||
#line 5537 "configure"
|
||||
#include "confdefs.h"
|
||||
void underscore_test(void) {
|
||||
return; }
|
||||
|
|
@ -5529,7 +5860,7 @@ if test "${libc_cv_gcc_dwarf2_unwind_info+set}" = set; then
|
|||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
cat > conftest.c <<EOF
|
||||
#line 5532 "configure"
|
||||
#line 5863 "configure"
|
||||
static char *__EH_FRAME_BEGIN__;
|
||||
_start ()
|
||||
{
|
||||
|
|
@ -5625,7 +5956,7 @@ if test "${libc_cv_gcc_builtin_expect+set}" = set; then
|
|||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
cat > conftest.c <<EOF
|
||||
#line 5628 "configure"
|
||||
#line 5959 "configure"
|
||||
int foo (int a)
|
||||
{
|
||||
a = __builtin_expect (a, 10);
|
||||
|
|
@ -5693,7 +6024,7 @@ if test "${libc_cv_gcc_subtract_local_labels+set}" = set; then
|
|||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
cat > conftest.c <<EOF
|
||||
#line 5696 "configure"
|
||||
#line 6027 "configure"
|
||||
int foo (int a)
|
||||
{
|
||||
static const int ar[] = { &&l1 - &&l1, &&l2 - &&l1 };
|
||||
|
|
@ -7336,6 +7667,9 @@ s,@OBJEXT@,$OBJEXT,;t t
|
|||
s,@BUILD_CC@,$BUILD_CC,;t t
|
||||
s,@cross_compiling@,$cross_compiling,;t t
|
||||
s,@CPP@,$CPP,;t t
|
||||
s,@CXX@,$CXX,;t t
|
||||
s,@CXXFLAGS@,$CXXFLAGS,;t t
|
||||
s,@ac_ct_CXX@,$ac_ct_CXX,;t t
|
||||
s,@AR@,$AR,;t t
|
||||
s,@OBJDUMP@,$OBJDUMP,;t t
|
||||
s,@RANLIB@,$RANLIB,;t t
|
||||
|
|
|
|||
|
|
@ -181,13 +181,9 @@ extern int ruserpass (const char *host, const char **aname,
|
|||
libc_hidden_proto (ruserpass)
|
||||
|
||||
|
||||
/* The following declarations and definitions have been removed from
|
||||
the public header since we don't want people to use them. */
|
||||
/* The following definition has been removed from the public header
|
||||
since we don't want people to use them. */
|
||||
|
||||
#define AI_V4MAPPED 0x0008 /* IPv4-mapped addresses are acceptable. */
|
||||
#define AI_ALL 0x0010 /* Return both IPv4 and IPv6 addresses. */
|
||||
#define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose
|
||||
returned address type. */
|
||||
#define AI_DEFAULT (AI_V4MAPPED | AI_ADDRCONFIG)
|
||||
|
||||
#include <inet/netgroup.h>
|
||||
|
|
|
|||
|
|
@ -569,6 +569,10 @@ struct gaicb
|
|||
# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */
|
||||
# define AI_CANONNAME 0x0002 /* Request for canonical name. */
|
||||
# define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */
|
||||
# define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */
|
||||
# define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */
|
||||
# define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose
|
||||
returned address type.. */
|
||||
|
||||
/* Error values for `getaddrinfo' function. */
|
||||
# define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/* getifaddrs -- get names and addresses of all network interfaces
|
||||
Copyright (C) 2002 Free Software Foundation, Inc.
|
||||
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
|
|
@ -151,9 +151,13 @@ getifaddrs (struct ifaddrs **ifap)
|
|||
|
||||
return 0;
|
||||
}
|
||||
#ifndef getifaddrs
|
||||
libc_hidden_def (getifaddrs)
|
||||
#endif
|
||||
|
||||
void
|
||||
freeifaddrs (struct ifaddrs *ifa)
|
||||
{
|
||||
free (ifa);
|
||||
}
|
||||
libc_hidden_def (freeifaddrs)
|
||||
|
|
|
|||
|
|
@ -37,6 +37,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|||
|
||||
#include <assert.h>
|
||||
#include <errno.h>
|
||||
#include <ifaddrs.h>
|
||||
#include <netdb.h>
|
||||
#include <resolv.h>
|
||||
#include <stdio.h>
|
||||
|
|
@ -111,12 +112,17 @@ struct gaih
|
|||
const struct addrinfo *req, struct addrinfo **pai);
|
||||
};
|
||||
|
||||
#if PF_UNSPEC == 0
|
||||
static const struct addrinfo default_hints;
|
||||
#else
|
||||
static const struct addrinfo default_hints =
|
||||
{ 0, PF_UNSPEC, 0, 0, 0, NULL, NULL, NULL };
|
||||
#endif
|
||||
{
|
||||
.ai_flags = AI_DEFAULT,
|
||||
.ai_family = PF_UNSPEC,
|
||||
.ai_socktype = 0,
|
||||
.ai_protocol = 0,
|
||||
.ai_addrlen = 0,
|
||||
.ai_addr = NULL,
|
||||
.ai_canonname = NULL,
|
||||
.ai_next = NULL
|
||||
};
|
||||
|
||||
|
||||
#if 0
|
||||
|
|
@ -265,93 +271,137 @@ gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp,
|
|||
return 0;
|
||||
}
|
||||
|
||||
#define gethosts(_family, _type) \
|
||||
{ \
|
||||
int i, herrno; \
|
||||
size_t tmpbuflen; \
|
||||
struct hostent th; \
|
||||
char *tmpbuf = NULL; \
|
||||
tmpbuflen = 512; \
|
||||
no_data = 0; \
|
||||
do { \
|
||||
tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); \
|
||||
rc = __gethostbyname2_r (name, _family, &th, tmpbuf, \
|
||||
tmpbuflen, &h, &herrno); \
|
||||
} while (rc == ERANGE && herrno == NETDB_INTERNAL); \
|
||||
if (rc != 0) \
|
||||
{ \
|
||||
if (herrno == NETDB_INTERNAL) \
|
||||
{ \
|
||||
__set_h_errno (herrno); \
|
||||
return -EAI_SYSTEM; \
|
||||
} \
|
||||
if (herrno == TRY_AGAIN) \
|
||||
no_data = EAI_AGAIN; \
|
||||
else \
|
||||
no_data = herrno == NO_DATA; \
|
||||
} \
|
||||
else if (h != NULL) \
|
||||
{ \
|
||||
for (i = 0; h->h_addr_list[i]; i++) \
|
||||
{ \
|
||||
if (*pat == NULL) { \
|
||||
*pat = __alloca (sizeof (struct gaih_addrtuple)); \
|
||||
(*pat)->scopeid = 0; \
|
||||
} \
|
||||
(*pat)->next = NULL; \
|
||||
(*pat)->family = _family; \
|
||||
memcpy ((*pat)->addr, h->h_addr_list[i], \
|
||||
sizeof(_type)); \
|
||||
pat = &((*pat)->next); \
|
||||
} \
|
||||
} \
|
||||
#define gethosts(_family, _type) \
|
||||
{ \
|
||||
int i, herrno; \
|
||||
size_t tmpbuflen; \
|
||||
struct hostent th; \
|
||||
char *tmpbuf = NULL; \
|
||||
tmpbuflen = 512; \
|
||||
no_data = 0; \
|
||||
do { \
|
||||
tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); \
|
||||
rc = __gethostbyname2_r (name, _family, &th, tmpbuf, \
|
||||
tmpbuflen, &h, &herrno); \
|
||||
} while (rc == ERANGE && herrno == NETDB_INTERNAL); \
|
||||
if (rc != 0) \
|
||||
{ \
|
||||
if (herrno == NETDB_INTERNAL) \
|
||||
{ \
|
||||
__set_h_errno (herrno); \
|
||||
return -EAI_SYSTEM; \
|
||||
} \
|
||||
if (herrno == TRY_AGAIN) \
|
||||
no_data = EAI_AGAIN; \
|
||||
else \
|
||||
no_data = herrno == NO_DATA; \
|
||||
} \
|
||||
else if (h != NULL) \
|
||||
{ \
|
||||
for (i = 0; h->h_addr_list[i]; i++) \
|
||||
{ \
|
||||
if (*pat == NULL) { \
|
||||
*pat = __alloca (sizeof (struct gaih_addrtuple)); \
|
||||
(*pat)->scopeid = 0; \
|
||||
} \
|
||||
(*pat)->next = NULL; \
|
||||
(*pat)->family = _family; \
|
||||
memcpy ((*pat)->addr, h->h_addr_list[i], \
|
||||
sizeof(_type)); \
|
||||
pat = &((*pat)->next); \
|
||||
} \
|
||||
if (_family == AF_INET6) \
|
||||
got_ipv6 = true; \
|
||||
} \
|
||||
else if (_family == AF_INET6 && (req->ai_flags & AI_V4MAPPED)) \
|
||||
{ \
|
||||
/* We have to add V4 mapped addresses. Maybe we discard them \
|
||||
later again but we get them anyhow for now. */ \
|
||||
while ((rc = __gethostbyname2_r (name, AF_INET6, &th, tmpbuf, \
|
||||
tmpbuflen, &h, &herrno)) == ERANGE \
|
||||
&& herrno == NETDB_INTERNAL) \
|
||||
tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); \
|
||||
\
|
||||
if (rc != 0) \
|
||||
{ \
|
||||
if (herrno == NETDB_INTERNAL) \
|
||||
{ \
|
||||
__set_h_errno (herrno); \
|
||||
return -EAI_SYSTEM; \
|
||||
} \
|
||||
if (herrno == TRY_AGAIN) \
|
||||
no_data = EAI_AGAIN; \
|
||||
else \
|
||||
no_data = herrno == NO_DATA; \
|
||||
} \
|
||||
else if (h != NULL) \
|
||||
{ \
|
||||
for (i = 0; h->h_addr_list[i]; ++i) \
|
||||
{ \
|
||||
if (*pat == NULL) \
|
||||
{ \
|
||||
*pat = __alloca (sizeof (struct gaih_addrtuple)); \
|
||||
(*pat)->scopeid = 0; \
|
||||
} \
|
||||
uint32_t *addr = (uint32_t *) (*pat)->addr; \
|
||||
(*pat)->next = NULL; \
|
||||
(*pat)->family = _family; \
|
||||
addr[3] = *(uint32_t *) h->h_addr_list[i]; \
|
||||
addr[2] = htonl (0xffff); \
|
||||
addr[1] = 0; \
|
||||
addr[0] = 0; \
|
||||
pat = &((*pat)->next); \
|
||||
} \
|
||||
} \
|
||||
} \
|
||||
}
|
||||
|
||||
#define gethosts2(_family, _type) \
|
||||
{ \
|
||||
int i, herrno; \
|
||||
size_t tmpbuflen; \
|
||||
struct hostent th; \
|
||||
char *tmpbuf = NULL; \
|
||||
tmpbuflen = 512; \
|
||||
no_data = 0; \
|
||||
do { \
|
||||
tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); \
|
||||
rc = 0; \
|
||||
status = DL_CALL_FCT (fct, (name, _family, &th, tmpbuf, \
|
||||
tmpbuflen, &rc, &herrno)); \
|
||||
} while (rc == ERANGE && herrno == NETDB_INTERNAL); \
|
||||
if (status == NSS_STATUS_SUCCESS && rc == 0) \
|
||||
h = &th; \
|
||||
else \
|
||||
h = NULL; \
|
||||
if (rc != 0) \
|
||||
{ \
|
||||
if (herrno == NETDB_INTERNAL) \
|
||||
{ \
|
||||
__set_h_errno (herrno); \
|
||||
return -EAI_SYSTEM; \
|
||||
} \
|
||||
if (herrno == TRY_AGAIN) \
|
||||
no_data = EAI_AGAIN; \
|
||||
else \
|
||||
no_data = herrno == NO_DATA; \
|
||||
} \
|
||||
else if (h != NULL) \
|
||||
{ \
|
||||
for (i = 0; h->h_addr_list[i]; i++) \
|
||||
{ \
|
||||
if (*pat == NULL) { \
|
||||
*pat = __alloca (sizeof (struct gaih_addrtuple)); \
|
||||
(*pat)->scopeid = 0; \
|
||||
} \
|
||||
(*pat)->next = NULL; \
|
||||
(*pat)->family = _family; \
|
||||
memcpy ((*pat)->addr, h->h_addr_list[i], \
|
||||
sizeof(_type)); \
|
||||
pat = &((*pat)->next); \
|
||||
} \
|
||||
} \
|
||||
|
||||
#define gethosts2(_family, _type) \
|
||||
{ \
|
||||
int i, herrno; \
|
||||
size_t tmpbuflen; \
|
||||
struct hostent th; \
|
||||
char *tmpbuf = NULL; \
|
||||
tmpbuflen = 512; \
|
||||
no_data = 0; \
|
||||
do { \
|
||||
tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); \
|
||||
rc = 0; \
|
||||
status = DL_CALL_FCT (fct, (name, _family, &th, tmpbuf, \
|
||||
tmpbuflen, &rc, &herrno)); \
|
||||
} while (rc == ERANGE && herrno == NETDB_INTERNAL); \
|
||||
if (status == NSS_STATUS_SUCCESS && rc == 0) \
|
||||
h = &th; \
|
||||
else \
|
||||
h = NULL; \
|
||||
if (rc != 0) \
|
||||
{ \
|
||||
if (herrno == NETDB_INTERNAL) \
|
||||
{ \
|
||||
__set_h_errno (herrno); \
|
||||
return -EAI_SYSTEM; \
|
||||
} \
|
||||
if (herrno == TRY_AGAIN) \
|
||||
no_data = EAI_AGAIN; \
|
||||
else \
|
||||
no_data = herrno == NO_DATA; \
|
||||
} \
|
||||
else if (h != NULL) \
|
||||
{ \
|
||||
for (i = 0; h->h_addr_list[i]; i++) \
|
||||
{ \
|
||||
if (*pat == NULL) { \
|
||||
*pat = __alloca (sizeof (struct gaih_addrtuple)); \
|
||||
(*pat)->scopeid = 0; \
|
||||
} \
|
||||
(*pat)->next = NULL; \
|
||||
(*pat)->family = _family; \
|
||||
memcpy ((*pat)->addr, h->h_addr_list[i], \
|
||||
sizeof(_type)); \
|
||||
pat = &((*pat)->next); \
|
||||
} \
|
||||
} \
|
||||
}
|
||||
|
||||
typedef enum nss_status (*nss_gethostbyname2_r)
|
||||
|
|
@ -368,6 +418,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
|
|||
struct gaih_servtuple *st = (struct gaih_servtuple *) &nullserv;
|
||||
struct gaih_addrtuple *at = NULL;
|
||||
int rc;
|
||||
bool got_ipv6 = false;
|
||||
|
||||
if (req->ai_protocol || req->ai_socktype)
|
||||
{
|
||||
|
|
@ -490,6 +541,13 @@ gaih_inet (const char *name, const struct gaih_service *service,
|
|||
{
|
||||
if (req->ai_family == AF_UNSPEC || req->ai_family == AF_INET)
|
||||
at->family = AF_INET;
|
||||
else if (req->ai_flags & AI_V4MAPPED)
|
||||
{
|
||||
((uint32_t *) at->addr)[3] = *(uint32_t *) at->addr;
|
||||
((uint32_t *) at->addr)[2] = htonl (0xffff);
|
||||
((uint32_t *) at->addr)[1] = 0;
|
||||
((uint32_t *) at->addr)[0] = 0;
|
||||
}
|
||||
else
|
||||
return -EAI_ADDRFAMILY;
|
||||
}
|
||||
|
|
@ -507,6 +565,8 @@ gaih_inet (const char *name, const struct gaih_service *service,
|
|||
{
|
||||
if (req->ai_family == AF_UNSPEC || req->ai_family == AF_INET6)
|
||||
at->family = AF_INET6;
|
||||
else if (IN6_IS_ADDR_V4MAPPED (at->addr))
|
||||
*(uint32_t *) at->addr = ((uint32_t *) at->addr)[3];
|
||||
else
|
||||
return -EAI_ADDRFAMILY;
|
||||
|
||||
|
|
@ -747,6 +807,14 @@ gaih_inet (const char *name, const struct gaih_service *service,
|
|||
{
|
||||
family = AF_INET6;
|
||||
socklen = sizeof (struct sockaddr_in6);
|
||||
|
||||
/* If we looked up IPv4 mapped address discard them here if
|
||||
the caller isn't interested in all address and we have
|
||||
found at least one IPv6 address. */
|
||||
if (! got_ipv6
|
||||
&& (req->ai_flags & (AI_V4MAPPED|AI_ALL)) == AI_V4MAPPED
|
||||
&& IN6_IS_ADDR_V4MAPPED (at2->addr))
|
||||
goto ignore;
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
@ -765,7 +833,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
|
|||
(*pai)->ai_socktype = st2->socktype;
|
||||
(*pai)->ai_protocol = st2->protocol;
|
||||
(*pai)->ai_addrlen = socklen;
|
||||
(*pai)->ai_addr = (void *) (*pai) + sizeof(struct addrinfo);
|
||||
(*pai)->ai_addr = (void *) (*pai) + sizeof (struct addrinfo);
|
||||
#if SALEN
|
||||
(*pai)->ai_addr->sa_len = socklen;
|
||||
#endif /* SALEN */
|
||||
|
|
@ -805,6 +873,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
|
|||
pai = &((*pai)->ai_next);
|
||||
}
|
||||
|
||||
ignore:
|
||||
at2 = at2->next;
|
||||
}
|
||||
}
|
||||
|
|
@ -829,6 +898,7 @@ getaddrinfo (const char *name, const char *service,
|
|||
struct addrinfo *p = NULL, **end;
|
||||
struct gaih *g = gaih, *pg = NULL;
|
||||
struct gaih_service gaih_service, *pservice;
|
||||
struct addrinfo local_hints;
|
||||
|
||||
if (name != NULL && name[0] == '*' && name[1] == 0)
|
||||
name = NULL;
|
||||
|
|
@ -842,12 +912,62 @@ getaddrinfo (const char *name, const char *service,
|
|||
if (hints == NULL)
|
||||
hints = &default_hints;
|
||||
|
||||
if (hints->ai_flags & ~(AI_PASSIVE|AI_CANONNAME|AI_NUMERICHOST))
|
||||
if (hints->ai_flags
|
||||
& ~(AI_PASSIVE|AI_CANONNAME|AI_NUMERICHOST|AI_ADDRCONFIG|AI_V4MAPPED
|
||||
|AI_ALL))
|
||||
return EAI_BADFLAGS;
|
||||
|
||||
if ((hints->ai_flags & AI_CANONNAME) && name == NULL)
|
||||
return EAI_BADFLAGS;
|
||||
|
||||
if (hints->ai_flags & AI_ADDRCONFIG)
|
||||
{
|
||||
/* Determine whether we have IPv4 or IPv6 interfaces or both.
|
||||
We cannot cache the results since new interfaces could be
|
||||
added at any time.
|
||||
|
||||
XXX We are using getifaddrs here which is more costly than
|
||||
it is really necessary. Once things are stable we will have
|
||||
a special function which performs the task with less overhead. */
|
||||
struct ifaddrs* ifa = NULL;
|
||||
|
||||
if (getifaddrs (&ifa) != 0)
|
||||
/* Cannot get the interface list, very bad. */
|
||||
return EAI_SYSTEM;
|
||||
|
||||
bool seen_ipv4 = false;
|
||||
bool seen_ipv6 = false;
|
||||
|
||||
while (ifa != NULL)
|
||||
{
|
||||
if (ifa->ifa_addr->sa_family == PF_INET)
|
||||
seen_ipv4 = true;
|
||||
else if (ifa->ifa_addr->sa_family == PF_INET6)
|
||||
seen_ipv6 = true;
|
||||
|
||||
ifa = ifa->ifa_next;
|
||||
}
|
||||
|
||||
(void) freeifaddrs (ifa);
|
||||
|
||||
/* Now make a decision on what we return, if anything. */
|
||||
if (hints->ai_family == PF_UNSPEC)
|
||||
{
|
||||
/* If we haven't seen both IPv4 and IPv6 interfaces we can
|
||||
narrow down the search. */
|
||||
if (! seen_ipv4 || ! seen_ipv6)
|
||||
{
|
||||
local_hints = *hints;
|
||||
local_hints.ai_family = seen_ipv4 ? PF_INET : PF_INET6;
|
||||
hints = &local_hints;
|
||||
}
|
||||
}
|
||||
else if ((hints->ai_family == PF_INET && ! seen_ipv4)
|
||||
|| (hints->ai_family == PF_INET6 && ! seen_ipv6))
|
||||
/* We cannot possibly return a valid answer. */
|
||||
return EAI_NONAME;
|
||||
}
|
||||
|
||||
if (service && service[0])
|
||||
{
|
||||
char *c;
|
||||
|
|
|
|||
|
|
@ -796,6 +796,7 @@ getifaddrs (struct ifaddrs **ifap)
|
|||
|
||||
return result;
|
||||
}
|
||||
libc_hidden_def (getifaddrs)
|
||||
|
||||
|
||||
#if __ASSUME_NETLINK_SUPPORT != 0
|
||||
|
|
@ -804,4 +805,5 @@ freeifaddrs (struct ifaddrs *ifa)
|
|||
{
|
||||
free (ifa);
|
||||
}
|
||||
libc_hidden_def (freeifaddrs)
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue