newlib-cygwin/newlib/libc/sys/linux/iconv/gconv_conf.c

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2003-05-28 Jeff Johnston <jjohnstn@redhat.com> Tom Fitzsimmons <fitzsim@redhat.com> * configure.in: Add iconvdata support for x86 linux. * configure: Regenerated. * libc/sys/linux/Makefile.am: Add EL/IX level 3 network, dynamic library, iconv, and linuxthreads support. * libc/sys/linux/configure.in: Ditto. * libc/sys/linux/Makefile.in: Regenerated. * libc/sys/linux/configure: Ditto. * iconvdata/EUC-JP.irreversible: New file. * iconvdata/Makefile.am: Ditto. * iconvdata/Makefile.in: Ditto. * iconvdata/SJIS.irreversible: Ditto. * iconvdata/aclocal.m4: Ditto. * iconvdata/configure: Ditto. * iconvdata/configure.in: Ditto. * iconvdata/dummy.c: Ditto. * iconvdata/euc-jp.c: Ditto. * iconvdata/gconv-modules: Ditto. * iconvdata/jis0201.c: Ditto. * iconvdata/jis0201.h: Ditto. * iconvdata/jis0208.c: Ditto. * iconvdata/jis0208.h: Ditto. * iconvdata/jis0212.c: Ditto. * iconvdata/jis0212.h: Ditto. * iconvdata/sjis.c: Ditto. * libc/include/errno.h: Protect definition of error_t. * libc/sys/linux/gethostid.c: New file. * libc/sys/linux/sethostid.c: Ditto. * libc/sys/linux/dl/Makefile.am: Ditto. * libc/sys/linux/dl/Makefile.in: Ditto. * libc/sys/linux/dl/abi-tag.h: Ditto. * libc/sys/linux/dl/atomicity.h: Ditto. * libc/sys/linux/dl/dl-addr.c: Ditto. * libc/sys/linux/dl/dl-cache.c: Ditto. * libc/sys/linux/dl/dl-cache.h: Ditto. * libc/sys/linux/dl/dl-close.c: Ditto. * libc/sys/linux/dl/dl-debug.c: Ditto. * libc/sys/linux/dl/dl-deps.c: Ditto. * libc/sys/linux/dl/dl-dst.h: Ditto. * libc/sys/linux/dl/dl-error.c: Ditto. * libc/sys/linux/dl/dl-fini.c: Ditto. * libc/sys/linux/dl/dl-init.c: Ditto. * libc/sys/linux/dl/dl-iteratephdr.c: Ditto. * libc/sys/linux/dl/dl-libc.c: Ditto. * libc/sys/linux/dl/dl-librecon.h: Ditto. * libc/sys/linux/dl/dl-load.c: Ditto. * libc/sys/linux/dl/dl-lookup.c: Ditto. * libc/sys/linux/dl/dl-lookupcfg.h: Ditto. * libc/sys/linux/dl/dl-minimal.c: Ditto. * libc/sys/linux/dl/dl-misc.c: Ditto. * libc/sys/linux/dl/dl-object.c: Ditto. * libc/sys/linux/dl/dl-open.c: Ditto. * libc/sys/linux/dl/dl-osinfo.h: Ditto. * libc/sys/linux/dl/dl-profile.c: Ditto. * libc/sys/linux/dl/dl-profstub.c: Ditto. * libc/sys/linux/dl/dl-reloc.c: Ditto. * libc/sys/linux/dl/dl-runtime.c: Ditto. * libc/sys/linux/dl/dl-support.c: Ditto. * libc/sys/linux/dl/dl-sym.c: Ditto. * libc/sys/linux/dl/dl-version.c: Ditto. * libc/sys/linux/dl/dlfcn.h: Ditto. * libc/sys/linux/dl/do-lookup.h: Ditto. * libc/sys/linux/dl/do-rel.h: Ditto. * libc/sys/linux/dl/dynamic-link.h: Ditto. * libc/sys/linux/dl/kernel-features.h: Ditto. * libc/sys/linux/dl/ldsodefs.h: Ditto. * libc/sys/linux/dl/libintl.h: Ditto. * libc/sys/linux/dl/trusted-dirs.h: Ditto. * libc/sys/linux/dl/unsecvars.h: Ditto. * libc/sys/linux/iconv/Makefile.am: Ditto. * libc/sys/linux/iconv/Makefile.in: Ditto. * libc/sys/linux/iconv/categories.def: Ditto. * libc/sys/linux/iconv/dummy-repertoire.c: Ditto. * libc/sys/linux/iconv/gconv.c: Ditto. * libc/sys/linux/iconv/gconv_builtin.c: Ditto. * libc/sys/linux/iconv/gconv_builtin.h: Ditto. * libc/sys/linux/iconv/gconv_cache.c: Ditto. * libc/sys/linux/iconv/gconv_charset.h: Ditto. * libc/sys/linux/iconv/gconv_close.c: Ditto. * libc/sys/linux/iconv/gconv_conf.c: Ditto. * libc/sys/linux/iconv/gconv_db.c: Ditto. * libc/sys/linux/iconv/gconv_dl.c: Ditto. * libc/sys/linux/iconv/gconv_int.h: Ditto. * libc/sys/linux/iconv/gconv_open.c: Ditto. * libc/sys/linux/iconv/gconv_simple.c: Ditto. * libc/sys/linux/iconv/gconv_trans.c: Ditto. * libc/sys/linux/iconv/hash-string.h: Ditto. * libc/sys/linux/iconv/iconv.c: Ditto. * libc/sys/linux/iconv/iconv.h: Ditto. * libc/sys/linux/iconv/iconv_charmap.c: Ditto. * libc/sys/linux/iconv/iconv_close.c: Ditto. * libc/sys/linux/iconv/iconv_open.c: Ditto. * libc/sys/linux/iconv/iconvconfig.c: Ditto. * libc/sys/linux/iconv/iconvconfig.h: Ditto. * libc/sys/linux/iconv/loadinfo.h: Ditto. * libc/sys/linux/iconv/localeinfo.h: Ditto. * libc/sys/linux/iconv/loop.c: Ditto. * libc/sys/linux/iconv/skeleton.c: Ditto. * libc/sys/linux/iconv/strtab.c: Ditto. * libc/sys/linux/include/dl-hash.h: Ditto. * libc/sys/linux/include/dlfcn.h: Ditto. * libc/sys/linux/include/fnmatch.h: Ditto. * libc/sys/linux/include/gconv.h: Ditto. * libc/sys/linux/include/glob.h: Ditto. * libc/sys/linux/include/hesiod.h: Ditto. * libc/sys/linux/include/ifaddrs.h: Ditto. * libc/sys/linux/include/libc_private.h: Ditto. * libc/sys/linux/include/link.h: Ditto. * libc/sys/linux/include/namespace.h: Ditto. * libc/sys/linux/include/netconfig.h: Ditto. * libc/sys/linux/include/netdb.h: Ditto. * libc/sys/linux/include/nsswitch.h: Ditto. * libc/sys/linux/include/regex.h: Ditto. * libc/sys/linux/include/resolv.h: Ditto. * libc/sys/linux/include/rune.h: Ditto. * libc/sys/linux/include/runetype.h: Ditto. * libc/sys/linux/include/semaphore.h: Ditto. * libc/sys/linux/include/setlocale.h: Ditto. * libc/sys/linux/include/un-namespace.h: Ditto. * libc/sys/linux/include/wordexp.h: Ditto. * libc/sys/linux/include/arpa/ftp.h: Ditto. * libc/sys/linux/include/arpa/inet.h: Ditto. * libc/sys/linux/include/arpa/nameser.h: Ditto. * libc/sys/linux/include/arpa/nameser_compat.h: Ditto. * libc/sys/linux/include/arpa/telnet.h: Ditto. * libc/sys/linux/include/arpa/tftp.h: Ditto. * libc/sys/linux/include/net/bpf.h: Ditto. * libc/sys/linux/include/net/bpf_compat.h: Ditto. * libc/sys/linux/include/net/bpfdesc.h: Ditto. * libc/sys/linux/include/net/bridge.h: Ditto. * libc/sys/linux/include/net/ethernet.h: Ditto. * libc/sys/linux/include/net/fddi.h: Ditto. * libc/sys/linux/include/net/if.h: Ditto. * libc/sys/linux/include/net/if_arc.h: Ditto. * libc/sys/linux/include/net/if_arp.h: Ditto. * libc/sys/linux/include/net/if_atm.h: Ditto. * libc/sys/linux/include/net/if_dl.h: Ditto. * libc/sys/linux/include/net/if_gif.h: Ditto. * libc/sys/linux/include/net/if_ieee80211.h: Ditto. * libc/sys/linux/include/net/if_llc.h: Ditto. * libc/sys/linux/include/net/if_media.h: Ditto. * libc/sys/linux/include/net/if_mib.h: Ditto. * libc/sys/linux/include/net/if_ppp.h: Ditto. * libc/sys/linux/include/net/if_pppvar.h: Ditto. * libc/sys/linux/include/net/if_slvar.h: Ditto. * libc/sys/linux/include/net/if_sppp.h: Ditto. * libc/sys/linux/include/net/if_stf.h: Ditto. * libc/sys/linux/include/net/if_tap.h: Ditto. * libc/sys/linux/include/net/if_tapvar.h: Ditto. * libc/sys/linux/include/net/if_tun.h: Ditto. * libc/sys/linux/include/net/if_tunvar.h: Ditto. * libc/sys/linux/include/net/if_types.h: Ditto. * libc/sys/linux/include/net/if_var.h: Ditto. * libc/sys/linux/include/net/if_vlan_var.h: Ditto. * libc/sys/linux/include/net/intrq.h: Ditto. * libc/sys/linux/include/net/iso88025.h: Ditto. * libc/sys/linux/include/net/net_osdep.h: Ditto. * libc/sys/linux/include/net/netisr.h: Ditto. * libc/sys/linux/include/net/pfil.h: Ditto. * libc/sys/linux/include/net/pfkeyv2.h: Ditto. * libc/sys/linux/include/net/ppp_comp.h: Ditto. * libc/sys/linux/include/net/ppp_defs.h: Ditto. * libc/sys/linux/include/net/radix.h: Ditto. * libc/sys/linux/include/net/raw_cb.h: Ditto. * libc/sys/linux/include/net/route.h: Ditto. * libc/sys/linux/include/net/slcompress.h: Ditto. * libc/sys/linux/include/net/slip.h: Ditto. * libc/sys/linux/include/net/zlib.h: Ditto. * libc/sys/linux/include/netinet/icmp6.h: Ditto. * libc/sys/linux/include/netinet/icmp_var.h: Ditto. * libc/sys/linux/include/netinet/if_atm.h: Ditto. * libc/sys/linux/include/netinet/if_ether.h: Ditto. * libc/sys/linux/include/netinet/igmp.h: Ditto. * libc/sys/linux/include/netinet/igmp_var.h: Ditto. * libc/sys/linux/include/netinet/in.h: Ditto. * libc/sys/linux/include/netinet/in_gif.h: Ditto. * libc/sys/linux/include/netinet/in_pcb.h: Ditto. * libc/sys/linux/include/netinet/in_systm.h: Ditto. * libc/sys/linux/include/netinet/in_var.h: Ditto. * libc/sys/linux/include/netinet/ip.h: Ditto. * libc/sys/linux/include/netinet/ip6.h: Ditto. * libc/sys/linux/include/netinet/ip_dummynet.h: Ditto. * libc/sys/linux/include/netinet/ip_ecn.h: Ditto. * libc/sys/linux/include/netinet/ip_encap.h: Ditto. * libc/sys/linux/include/netinet/ip_flow.h: Ditto. * libc/sys/linux/include/netinet/ip_fw.h: Ditto. * libc/sys/linux/include/netinet/ip_icmp.h: Ditto. * libc/sys/linux/include/netinet/ip_mroute.h: Ditto. * libc/sys/linux/include/netinet/ip_var.h: Ditto. * libc/sys/linux/include/netinet/ipprotosw.h: Ditto. * libc/sys/linux/include/netinet/tcp.h: Ditto. * libc/sys/linux/include/netinet/tcp_debug.h: Ditto. * libc/sys/linux/include/netinet/tcp_fsm.h: Ditto. * libc/sys/linux/include/netinet/tcp_seq.h: Ditto. * libc/sys/linux/include/netinet/tcp_timer.h: Ditto. * libc/sys/linux/include/netinet/tcp_var.h: Ditto. * libc/sys/linux/include/netinet/tcpip.h: Ditto. * libc/sys/linux/include/netinet/udp.h: Ditto. * libc/sys/linux/include/netinet/udp_var.h: Ditto. * libc/sys/linux/include/netinet6/ah.h: Ditto. * libc/sys/linux/include/netinet6/ah6.h: Ditto. * libc/sys/linux/include/netinet6/esp.h: Ditto. * libc/sys/linux/include/netinet6/esp6.h: Ditto. * libc/sys/linux/include/netinet6/esp_rijndael.h: Ditto. * libc/sys/linux/include/netinet6/icmp6.h: Ditto. * libc/sys/linux/include/netinet6/in6.h: Ditto. * libc/sys/linux/include/netinet6/in6_gif.h: Ditto. * libc/sys/linux/include/netinet6/in6_ifattach.h: Ditto. * libc/sys/linux/include/netinet6/in6_pcb.h: Ditto. * libc/sys/linux/include/netinet6/in6_prefix.h: Ditto. * libc/sys/linux/include/netinet6/in6_var.h: Ditto. * libc/sys/linux/include/netinet6/ip6.h: Ditto. * libc/sys/linux/include/netinet6/ip6_ecn.h: Ditto. * libc/sys/linux/include/netinet6/ip6_fw.h: Ditto. * libc/sys/linux/include/netinet6/ip6_mroute.h: Ditto. * libc/sys/linux/include/netinet6/ip6_var.h: Ditto. * libc/sys/linux/include/netinet6/ip6protosw.h: Ditto. * libc/sys/linux/include/netinet6/ipcomp.h: Ditto. * libc/sys/linux/include/netinet6/ipcomp6.h: Ditto. * libc/sys/linux/include/netinet6/ipsec.h: Ditto. * libc/sys/linux/include/netinet6/ipsec6.h: Ditto. * libc/sys/linux/include/netinet6/mld6_var.h: Ditto. * libc/sys/linux/include/netinet6/nd6.h: Ditto. * libc/sys/linux/include/netinet6/pim6.h: Ditto. * libc/sys/linux/include/netinet6/pim6_var.h: Ditto. * libc/sys/linux/include/netinet6/raw_ip6.h: Ditto. * libc/sys/linux/include/netinet6/scope6_var.h: Ditto. * libc/sys/linux/include/netinet6/tcp6_var.h: Ditto. * libc/sys/linux/include/netinet6/udp6_var.h: Ditto. * libc/sys/linux/include/netns/idp.h: Ditto. * libc/sys/linux/include/netns/idp_var.h: Ditto. * libc/sys/linux/include/netns/ns.h: Ditto. * libc/sys/linux/include/netns/ns_error.h: Ditto. * libc/sys/linux/include/netns/ns_if.h: Ditto. * libc/sys/linux/include/netns/ns_pcb.h: Ditto. * libc/sys/linux/include/netns/sp.h: Ditto. * libc/sys/linux/include/netns/spidp.h: Ditto. * libc/sys/linux/include/netns/spp_debug.h: Ditto. * libc/sys/linux/include/netns/spp_timer.h: Ditto. * libc/sys/linux/include/netns/spp_var.h: Ditto. * libc/sys/linux/include/rpc/Makefile: Ditto. * libc/sys/linux/include/rpc/auth.h: Ditto. * libc/sys/linux/include/rpc/auth_des.h: Ditto. * libc/sys/linux/include/rpc/auth_kerb.h: Ditto. * libc/sys/linux/include/rpc/auth_unix.h: Ditto. * libc/sys/linux/include/rpc/clnt.h: Ditto. * libc/sys/linux/include/rpc/clnt_soc.h: Ditto. * libc/sys/linux/include/rpc/clnt_stat.h: Ditto. * libc/sys/linux/include/rpc/des.h: Ditto. * libc/sys/linux/include/rpc/des_crypt.h: Ditto. * libc/sys/linux/include/rpc/nettype.h: Ditto. * libc/sys/linux/include/rpc/pmap_clnt.h: Ditto. * libc/sys/linux/include/rpc/pmap_prot.h: Ditto. * libc/sys/linux/include/rpc/pmap_rmt.h: Ditto. * libc/sys/linux/include/rpc/raw.h: Ditto. * libc/sys/linux/include/rpc/rpc.h: Ditto. * libc/sys/linux/include/rpc/rpc_com.h: Ditto. * libc/sys/linux/include/rpc/rpc_msg.h: Ditto. * libc/sys/linux/include/rpc/rpcb_clnt.h: Ditto. * libc/sys/linux/include/rpc/rpcb_prot.h: Ditto. * libc/sys/linux/include/rpc/rpcb_prot.x: Ditto. * libc/sys/linux/include/rpc/rpcent.h: Ditto. * libc/sys/linux/include/rpc/svc.h: Ditto. * libc/sys/linux/include/rpc/svc_auth.h: Ditto. * libc/sys/linux/include/rpc/svc_dg.h: Ditto. * libc/sys/linux/include/rpc/svc_soc.h: Ditto. * libc/sys/linux/include/rpc/types.h: Ditto. * libc/sys/linux/include/rpc/xdr.h: Ditto. * libc/sys/linux/intl/Makefile.am: Ditto. * libc/sys/linux/intl/Makefile.in: Ditto. * libc/sys/linux/intl/bindtextdom.c: Ditto. * libc/sys/linux/intl/catgets.c: Ditto. * libc/sys/linux/intl/catgetsinfo.h: Ditto. * libc/sys/linux/intl/config.h: Ditto. * libc/sys/linux/intl/dcgettext.c: Ditto. * libc/sys/linux/intl/dcigettext.c: Ditto. * libc/sys/linux/intl/dcngettext.c: Ditto. * libc/sys/linux/intl/dgettext.c: Ditto. * libc/sys/linux/intl/dngettext.c: Ditto. * libc/sys/linux/intl/explodename.c: Ditto. * libc/sys/linux/intl/finddomain.c: Ditto. * libc/sys/linux/intl/gettext.c: Ditto. * libc/sys/linux/intl/gettext.h: Ditto. * libc/sys/linux/intl/gettextP.h: Ditto. * libc/sys/linux/intl/hash-string.h: Ditto. * libc/sys/linux/intl/l10nflist.c: Ditto. * libc/sys/linux/intl/loadinfo.h: Ditto. * libc/sys/linux/intl/loadmsgcat.c: Ditto. * libc/sys/linux/intl/locale.alias: Ditto. * libc/sys/linux/intl/localealias.c: Ditto. * libc/sys/linux/intl/ngettext.c: Ditto. * libc/sys/linux/intl/open_catalog.c: Ditto. * libc/sys/linux/intl/plural.c: Ditto. * libc/sys/linux/intl/plural.y: Ditto. * libc/sys/linux/intl/stpcpy.c: Ditto. * libc/sys/linux/intl/textdomain.c: Ditto. * libc/sys/linux/linuxthreads/LICENSE: Ditto. * libc/sys/linux/linuxthreads/Makefile.am: Ditto. * libc/sys/linux/linuxthreads/Makefile.in: Ditto. * libc/sys/linux/linuxthreads/aclocal.m4: Ditto. * libc/sys/linux/linuxthreads/attr.c: Ditto. * libc/sys/linux/linuxthreads/barrier.c: Ditto. * libc/sys/linux/linuxthreads/bp-sym.h: Ditto. * libc/sys/linux/linuxthreads/cancel.c: Ditto. * libc/sys/linux/linuxthreads/condvar.c: Ditto. * libc/sys/linux/linuxthreads/config.h: Ditto. * libc/sys/linux/linuxthreads/configure: Ditto. * libc/sys/linux/linuxthreads/configure.in: Ditto. * libc/sys/linux/linuxthreads/defs.awk: Ditto. * libc/sys/linux/linuxthreads/ecmutex.c: Ditto. * libc/sys/linux/linuxthreads/events.c: Ditto. * libc/sys/linux/linuxthreads/getcpuclockid.c: Ditto. * libc/sys/linux/linuxthreads/getreent.c: Ditto. * libc/sys/linux/linuxthreads/internals.h: Ditto. * libc/sys/linux/linuxthreads/join.c: Ditto. * libc/sys/linux/linuxthreads/joinrace.c: Ditto. * libc/sys/linux/linuxthreads/kernel-features.h: Ditto. * libc/sys/linux/linuxthreads/libc-internal.h: Ditto. * libc/sys/linux/linuxthreads/libc-symbols.h: Ditto. * libc/sys/linux/linuxthreads/linuxthreads.texi: Ditto. * libc/sys/linux/linuxthreads/lockfile.c: Ditto. * libc/sys/linux/linuxthreads/manager.c: Ditto. * libc/sys/linux/linuxthreads/mq_notify.c: Ditto. * libc/sys/linux/linuxthreads/mutex.c: Ditto. * libc/sys/linux/linuxthreads/no-tsd.c: Ditto. * libc/sys/linux/linuxthreads/oldsemaphore.c: Ditto. * libc/sys/linux/linuxthreads/posix-timer.h: Ditto. * libc/sys/linux/linuxthreads/prio.c: Ditto. * libc/sys/linux/linuxthreads/proc_service.h: Ditto. * libc/sys/linux/linuxthreads/pt-machine.c: Ditto. * libc/sys/linux/linuxthreads/ptclock_gettime.c: Ditto. * libc/sys/linux/linuxthreads/ptclock_settime.c: Ditto. * libc/sys/linux/linuxthreads/ptfork.c: Ditto. * libc/sys/linux/linuxthreads/pthread.c: Ditto. * libc/sys/linux/linuxthreads/ptlongjmp.c: Ditto. * libc/sys/linux/linuxthreads/queue.h: Ditto. * libc/sys/linux/linuxthreads/reent.c: Ditto. * libc/sys/linux/linuxthreads/reqsyscalls.c: Ditto. * libc/sys/linux/linuxthreads/restart.h: Ditto. * libc/sys/linux/linuxthreads/rwlock.c: Ditto. * libc/sys/linux/linuxthreads/semaphore.c: Ditto. * libc/sys/linux/linuxthreads/semaphore.h: Ditto. * libc/sys/linux/linuxthreads/shlib-compat.h: Ditto. * libc/sys/linux/linuxthreads/signals.c: Ditto. * libc/sys/linux/linuxthreads/specific.c: Ditto. * libc/sys/linux/linuxthreads/spinlock.c: Ditto. * libc/sys/linux/linuxthreads/spinlock.h: Ditto. * libc/sys/linux/linuxthreads/sysctl.c: Ditto. * libc/sys/linux/linuxthreads/td_init.c: Ditto. * libc/sys/linux/linuxthreads/td_log.c: Ditto. * libc/sys/linux/linuxthreads/td_symbol_list.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_clear_event.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_delete.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_enable_stats.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_event_addr.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_event_getmsg.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_get_nthreads.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_get_ph.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_get_stats.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_map_id2thr.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_map_lwp2thr.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_new.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_reset_stats.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_set_event.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_setconcurrency.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_thr_iter.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_tsd_iter.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_clear_event.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_dbresume.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_dbsuspend.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_event_enable.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_event_getmsg.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_get_info.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getfpregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getgregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getxregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getxregsize.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_set_event.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setfpregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setgregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setprio.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setsigpending.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setxregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_sigsetmask.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_tsd.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_validate.c: Ditto. * libc/sys/linux/linuxthreads/testrtsig.h: Ditto. * libc/sys/linux/linuxthreads/thread_db.h: Ditto. * libc/sys/linux/linuxthreads/thread_dbP.h: Ditto. * libc/sys/linux/linuxthreads/timer_create.c: Ditto. * libc/sys/linux/linuxthreads/timer_delete.c: Ditto. * libc/sys/linux/linuxthreads/timer_getoverr.c: Ditto. * libc/sys/linux/linuxthreads/timer_gettime.c: Ditto. * libc/sys/linux/linuxthreads/timer_routines.c: Ditto. * libc/sys/linux/linuxthreads/timer_settime.c: Ditto. * libc/sys/linux/linuxthreads/tst-cancel.c: Ditto. * libc/sys/linux/linuxthreads/tst-context.c: Ditto. * libc/sys/linux/linuxthreads/tststack.c: Ditto. * libc/sys/linux/linuxthreads/unload.c: Ditto. * libc/sys/linux/linuxthreads/weaks.c: Ditto. * libc/sys/linux/linuxthreads/wrapsyscall.c: Ditto. * libc/sys/linux/linuxthreads/bits/initspin.h: Ditto. * libc/sys/linux/linuxthreads/bits/libc-lock.h: Ditto. * libc/sys/linux/linuxthreads/bits/libc-tsd.h: Ditto. * libc/sys/linux/linuxthreads/bits/local_lim.h: Ditto. * libc/sys/linux/linuxthreads/bits/posix_opt.h: Ditto. * libc/sys/linux/linuxthreads/bits/pthreadtypes.h: Ditto. * libc/sys/linux/linuxthreads/bits/sigthread.h: Ditto. * libc/sys/linux/linuxthreads/machine/Makefile.am: Ditto. * libc/sys/linux/linuxthreads/machine/Makefile.in: Ditto. * libc/sys/linux/linuxthreads/machine/aclocal.m4: Ditto. * libc/sys/linux/linuxthreads/machine/configure: Ditto. * libc/sys/linux/linuxthreads/machine/configure.in: Ditto. * libc/sys/linux/linuxthreads/machine/generic/generic-sysd: Ditto.ep.h * libc/sys/linux/linuxthreads/machine/i386/Makefile.am: Ditto. * libc/sys/linux/linuxthreads/machine/i386/Makefile.in: Ditto. * libc/sys/linux/linuxthreads/machine/i386/aclocal.m4: Ditto. * libc/sys/linux/linuxthreads/machine/i386/bp-asm.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/clone.S: Ditto. * libc/sys/linux/linuxthreads/machine/i386/configure: Ditto. * libc/sys/linux/linuxthreads/machine/i386/configure.in: Ditto. * libc/sys/linux/linuxthreads/machine/i386/i386-sysdep.S: Ditto. * libc/sys/linux/linuxthreads/machine/i386/i386-sysdep.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/pspinlock.c: Ditto. * libc/sys/linux/linuxthreads/machine/i386/pt-machine.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/sigcontextinfo.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/stackinfo.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/sysdep.S: Ditto. * libc/sys/linux/linuxthreads/machine/i386/sysdep.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/useldt.h: Ditto. * libc/sys/linux/machine/i386/dl-machine.h: Ditto. * libc/sys/linux/net/Makefile.am: Ditto. * libc/sys/linux/net/Makefile.in: Ditto. * libc/sys/linux/net/addr2ascii.3: Ditto. * libc/sys/linux/net/addr2ascii.c: Ditto. * libc/sys/linux/net/ascii2addr.c: Ditto. * libc/sys/linux/net/base64.c: Ditto. * libc/sys/linux/net/bindresvport.c: Ditto. * libc/sys/linux/net/byteorder.3: Ditto. * libc/sys/linux/net/ether_addr.c: Ditto. * libc/sys/linux/net/ethers.3: Ditto. * libc/sys/linux/net/getaddrinfo.3: Ditto. * libc/sys/linux/net/getaddrinfo.c: Ditto. * libc/sys/linux/net/gethostbydns.c: Ditto. * libc/sys/linux/net/gethostbyht.c: Ditto. * libc/sys/linux/net/gethostbyname.3: Ditto. * libc/sys/linux/net/gethostbynis.c: Ditto. * libc/sys/linux/net/gethostnamadr.c: Ditto. * libc/sys/linux/net/getifaddrs.3: Ditto. * libc/sys/linux/net/getifaddrs.c: Ditto. * libc/sys/linux/net/getipnodebyname.3: Ditto. * libc/sys/linux/net/getnameinfo.3: Ditto. * libc/sys/linux/net/getnameinfo.c: Ditto. * libc/sys/linux/net/getnetbydns.c: Ditto. * libc/sys/linux/net/getnetbyht.c: Ditto. * libc/sys/linux/net/getnetbynis.c: Ditto. * libc/sys/linux/net/getnetent.3: Ditto. * libc/sys/linux/net/getnetnamadr.c: Ditto. * libc/sys/linux/net/getproto.c: Ditto. * libc/sys/linux/net/getprotoent.3: Ditto. * libc/sys/linux/net/getprotoent.c: Ditto. * libc/sys/linux/net/getprotoname.c: Ditto. * libc/sys/linux/net/getservbyname.c: Ditto. * libc/sys/linux/net/getservbyport.c: Ditto. * libc/sys/linux/net/getservent.3: Ditto. * libc/sys/linux/net/getservent.c: Ditto. * libc/sys/linux/net/herror.c: Ditto. * libc/sys/linux/net/hesiod.3: Ditto. * libc/sys/linux/net/hesiod.c: Ditto. * libc/sys/linux/net/if_indextoname.3: Ditto. * libc/sys/linux/net/ifname.c: Ditto. * libc/sys/linux/net/inet.3: Ditto. * libc/sys/linux/net/inet6_option_s: Ditto.pace.3 * libc/sys/linux/net/inet6_rthdr_space.3: Ditto. * libc/sys/linux/net/inet_addr.c: Ditto. * libc/sys/linux/net/inet_lnaof.c: Ditto. * libc/sys/linux/net/inet_makeaddr.c: Ditto. * libc/sys/linux/net/inet_net.3: Ditto. * libc/sys/linux/net/inet_net_ntop.c: Ditto. * libc/sys/linux/net/inet_net_pton.c: Ditto. * libc/sys/linux/net/inet_neta.c: Ditto. * libc/sys/linux/net/inet_netof.c: Ditto. * libc/sys/linux/net/inet_network.c: Ditto. * libc/sys/linux/net/inet_ntoa.c: Ditto. * libc/sys/linux/net/inet_ntop.c: Ditto. * libc/sys/linux/net/inet_pton.c: Ditto. * libc/sys/linux/net/innetgr-stub.c: Ditto. * libc/sys/linux/net/ip6opt.c: Ditto. * libc/sys/linux/net/iso_addr.3: Ditto. * libc/sys/linux/net/iso_addr.c: Ditto. * libc/sys/linux/net/issetugid-stub.c: Ditto. * libc/sys/linux/net/linkaddr.3: Ditto. * libc/sys/linux/net/linkaddr.c: Ditto. * libc/sys/linux/net/map_v4v6.c: Ditto. * libc/sys/linux/net/name6.c: Ditto. * libc/sys/linux/net/namespace.h: Ditto. * libc/sys/linux/net/ns.3: Ditto. * libc/sys/linux/net/ns_addr.c: Ditto. * libc/sys/linux/net/ns_name.c: Ditto. * libc/sys/linux/net/ns_netint.c: Ditto. * libc/sys/linux/net/ns_ntoa.c: Ditto. * libc/sys/linux/net/ns_parse.c: Ditto. * libc/sys/linux/net/ns_print.c: Ditto. * libc/sys/linux/net/ns_ttl.c: Ditto. * libc/sys/linux/net/nsap_addr.c: Ditto. * libc/sys/linux/net/nsdispatch.3: Ditto. * libc/sys/linux/net/nsdispatch.c: Ditto. * libc/sys/linux/net/nslexer.c: Ditto. * libc/sys/linux/net/nslexer.l: Ditto. * libc/sys/linux/net/nsparser.c: Ditto. * libc/sys/linux/net/nsparser.h: Ditto. * libc/sys/linux/net/nsparser.y: Ditto. * libc/sys/linux/net/rcmd.3: Ditto. * libc/sys/linux/net/rcmd.c: Ditto. * libc/sys/linux/net/rcmdsh.3: Ditto. * libc/sys/linux/net/rcmdsh.c: Ditto. * libc/sys/linux/net/recv.c: Ditto. * libc/sys/linux/net/res_comp.c: Ditto. * libc/sys/linux/net/res_config.h: Ditto. * libc/sys/linux/net/res_data.c: Ditto. * libc/sys/linux/net/res_debug.c: Ditto. * libc/sys/linux/net/res_init.c: Ditto. * libc/sys/linux/net/res_mkquery.c: Ditto. * libc/sys/linux/net/res_mkupdate.c: Ditto. * libc/sys/linux/net/res_query.c: Ditto. * libc/sys/linux/net/res_send.c: Ditto. * libc/sys/linux/net/res_update.c: Ditto. * libc/sys/linux/net/resolver.3: Ditto. * libc/sys/linux/net/rthdr.c: Ditto. * libc/sys/linux/net/send.c: Ditto. * libc/sys/linux/net/un-namespace.h: Ditto. * libc/sys/linux/net/vars.c: Ditto. * libc/sys/linux/stdlib/COPYRIGHT: Ditto. * libc/sys/linux/stdlib/Makefile.am: Ditto. * libc/sys/linux/stdlib/Makefile.in: Ditto. * libc/sys/linux/stdlib/cclass.h: Ditto. * libc/sys/linux/stdlib/cname.h: Ditto. * libc/sys/linux/stdlib/collate.c: Ditto. * libc/sys/linux/stdlib/collate.h: Ditto. * libc/sys/linux/stdlib/collcmp.c: Ditto. * libc/sys/linux/stdlib/engine.c: Ditto. * libc/sys/linux/stdlib/fnmatch.3: Ditto. * libc/sys/linux/stdlib/fnmatch.c: Ditto. * libc/sys/linux/stdlib/glob.3: Ditto. * libc/sys/linux/stdlib/glob.c: Ditto. * libc/sys/linux/stdlib/reallocf.c: Ditto. * libc/sys/linux/stdlib/regcomp.c: Ditto. * libc/sys/linux/stdlib/regerror.c: Ditto. * libc/sys/linux/stdlib/regex.3: Ditto. * libc/sys/linux/stdlib/regex2.h: Ditto. * libc/sys/linux/stdlib/regexec.c: Ditto. * libc/sys/linux/stdlib/regfree.c: Ditto. * libc/sys/linux/stdlib/utils.h: Ditto. * libc/sys/linux/stdlib/wordexp.c: Ditto. * libc/sys/linux/stdlib/wordfree.c: Ditto. * libc/sys/linux/sys/dlfcn.h: Ditto. * libc/sys/linux/sys/elfclass.h: Ditto. * libc/sys/linux/sys/event.h: Ditto. * libc/sys/linux/sys/ioccom.h: Ditto. * libc/sys/linux/sys/libc-tsd.h: Ditto. * libc/sys/linux/sys/link.h: Ditto. * libc/sys/linux/sys/lock.h: Ditto. * libc/sys/linux/sys/param.h: Ditto. * libc/sys/linux/sys/socket.h: Ditto. * libc/sys/linux/sys/sockio.h: Ditto.
2003-05-29 06:04:40 +08:00
/* Handle configuration data.
Copyright (C) 1997,98,99,2000,2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <locale.h>
#include <search.h>
#include <stddef.h>
#include <stdio.h>
#include <stdio_ext.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/param.h>
#include <dirent.h>
#include <gconv_int.h>
/* This is the default path where we look for module lists. */
static const char default_gconv_path[] = GCONV_PATH;
/* The path elements, as determined by the __gconv_get_path function.
All path elements end in a slash. */
struct path_elem *__gconv_path_elem;
/* Maximum length of a single path element in __gconv_path_elem. */
size_t __gconv_max_path_elem_len;
/* We use the following struct if we couldn't allocate memory. */
static const struct path_elem empty_path_elem;
/* Name of the file containing the module information in the directories
along the path. */
static const char gconv_conf_filename[] = "gconv-modules";
/* Filename extension for the modules. */
#ifndef MODULE_EXT
# define MODULE_EXT ".so"
#endif
static const char gconv_module_ext[] = MODULE_EXT;
/* We have a few builtin transformations. */
static struct gconv_module builtin_modules[] =
{
#define BUILTIN_TRANSFORMATION(From, To, Cost, Name, Fct, MinF, MaxF, \
MinT, MaxT) \
{ \
from_string: From, \
to_string: To, \
cost_hi: Cost, \
cost_lo: INT_MAX, \
module_name: Name \
},
#define BUILTIN_ALIAS(From, To)
#include "gconv_builtin.h"
};
#undef BUILTIN_TRANSFORMATION
#undef BUILTIN_ALIAS
static const char *builtin_aliases[] =
{
#define BUILTIN_TRANSFORMATION(From, To, Cost, Name, Fct, MinF, MaxF, \
MinT, MaxT)
#define BUILTIN_ALIAS(From, To) From " " To,
#include "gconv_builtin.h"
};
#ifdef USE_IN_LIBIO
# include <libio/libioP.h>
# define __getdelim(line, len, c, fp) _IO_getdelim (line, len, c, fp)
#endif
/* Value of the GCONV_PATH environment variable. */
const char *__gconv_path_envvar;
/* Test whether there is already a matching module known. */
static int
internal_function
detect_conflict (const char *alias)
{
struct gconv_module *node = __gconv_modules_db;
while (node != NULL)
{
int cmpres = strcmp (alias, node->from_string);
if (cmpres == 0)
/* We have a conflict. */
return 1;
else if (cmpres < 0)
node = node->left;
else
node = node->right;
}
return node != NULL;
}
/* Add new alias. */
static inline void
add_alias (char *rp, void *modules)
{
/* We now expect two more string. The strings are normalized
(converted to UPPER case) and strored in the alias database. */
struct gconv_alias *new_alias;
char *from, *to, *wp;
char old_locale[20], *old_locale_p;
/* Set locale to default C locale. */
old_locale_p = setlocale(LC_ALL, "C");
strncpy(old_locale, old_locale_p, 20);
while (isspace (*rp))
++rp;
from = wp = rp;
while (*rp != '\0' && !isspace (*rp))
*wp++ = toupper (*rp++);
if (*rp == '\0')
{
setlocale(LC_ALL, old_locale);
/* There is no `to' string on the line. Ignore it. */
return;
}
*wp++ = '\0';
to = ++rp;
while (isspace (*rp))
++rp;
while (*rp != '\0' && !isspace (*rp))
*wp++ = toupper (*rp++);
if (to == wp)
{
setlocale(LC_ALL, old_locale);
/* No `to' string, ignore the line. */
return;
}
*wp++ = '\0';
/* Test whether this alias conflicts with any available module. */
if (detect_conflict (from))
{
setlocale(LC_ALL, old_locale);
/* It does conflict, don't add the alias. */
return;
}
new_alias = (struct gconv_alias *) malloc (sizeof (struct gconv_alias) + (wp - from));
if (new_alias != NULL)
{
void **inserted;
new_alias->fromname = memcpy ((char *) new_alias
+ sizeof (struct gconv_alias),
from, wp - from);
new_alias->toname = new_alias->fromname + (to - from);
inserted = (void **) tsearch (new_alias, &__gconv_alias_db,
__gconv_alias_compare);
if (inserted == NULL || *inserted != new_alias)
/* Something went wrong, free this entry. */
free (new_alias);
}
setlocale(LC_ALL, old_locale);
}
/* Insert a data structure for a new module in the search tree. */
static inline void
internal_function
insert_module (struct gconv_module *newp, int tobefreed)
{
struct gconv_module **rootp = &__gconv_modules_db;
while (*rootp != NULL)
{
struct gconv_module *root = *rootp;
int cmpres;
cmpres = strcmp (newp->from_string, root->from_string);
if (cmpres == 0)
{
/* Both strings are identical. Insert the string at the
end of the `same' list if it is not already there. */
while (strcmp (newp->from_string, root->from_string) != 0
|| strcmp (newp->to_string, root->to_string) != 0)
{
rootp = &root->same;
root = *rootp;
if (root == NULL)
break;
}
if (root != NULL)
{
/* This is a no new conversion. But maybe the cost is
better. */
if (newp->cost_hi < root->cost_hi
|| (newp->cost_hi == root->cost_hi
&& newp->cost_lo < root->cost_lo))
{
newp->left = root->left;
newp->right = root->right;
newp->same = root->same;
*rootp = newp;
free (root);
}
else if (tobefreed)
free (newp);
return;
}
break;
}
else if (cmpres < 0)
rootp = &root->left;
else
rootp = &root->right;
}
/* Plug in the new node here. */
*rootp = newp;
}
/* Add new module. */
static void
internal_function
add_module (char *rp, const char *directory, size_t dir_len, void **modules,
size_t *nmodules, int modcounter)
{
/* We expect now
1. `from' name
2. `to' name
3. filename of the module
4. an optional cost value
*/
struct gconv_alias fake_alias;
struct gconv_module *new_module;
char *from, *to, *module, *wp;
int need_ext;
int cost_hi;
char old_locale[20], *old_locale_p;
char *old;
size_t len;
char *new;
/* Set locale to default C locale. */
old_locale_p = setlocale(LC_ALL, "C");
strncpy(old_locale, old_locale_p, 20);
while (isspace (*rp))
++rp;
from = rp;
while (*rp != '\0' && !isspace (*rp))
{
*rp = toupper (*rp);
++rp;
}
if (*rp == '\0')
{
setlocale(LC_ALL, old_locale);
return;
}
*rp++ = '\0';
to = wp = rp;
while (isspace (*rp))
{
setlocale(LC_ALL, old_locale);
++rp;
}
while (*rp != '\0' && !isspace (*rp))
*wp++ = toupper (*rp++);
if (*rp == '\0')
{
setlocale(LC_ALL, old_locale);
return;
}
*wp++ = '\0';
do
++rp;
while (isspace (*rp));
module = wp;
while (*rp != '\0' && !isspace (*rp))
*wp++ = *rp++;
if (*rp == '\0')
{
/* There is no cost, use one by default. */
*wp++ = '\0';
cost_hi = 1;
}
else
{
/* There might be a cost value. */
char *endp;
*wp++ = '\0';
cost_hi = strtol (rp, &endp, 10);
if (rp == endp || cost_hi < 1)
/* No useful information. */
cost_hi = 1;
}
if (module[0] == '\0')
{
setlocale(LC_ALL, old_locale);
/* No module name given. */
return;
}
if (module[0] == '/')
dir_len = 0;
/* See whether we must add the ending. */
need_ext = 0;
if (wp - module < (ptrdiff_t) sizeof (gconv_module_ext)
|| memcmp (wp - sizeof (gconv_module_ext), gconv_module_ext,
sizeof (gconv_module_ext)) != 0)
/* We must add the module extension. */
need_ext = sizeof (gconv_module_ext) - 1;
/* See whether we have already an alias with this name defined. */
old = from;
len = strnlen (old, to - from);
new = (char *) alloca (len + 1);
new[len] = '\0';
fake_alias.fromname = (char *) memcpy (new, old, len);
if (tfind (&fake_alias, &__gconv_alias_db, __gconv_alias_compare) != NULL)
{
setlocale(LC_ALL, old_locale);
/* This module duplicates an alias. */
return;
}
new_module = (struct gconv_module *) calloc (1,
sizeof (struct gconv_module)
+ (wp - from)
+ dir_len + need_ext);
if (new_module != NULL)
{
char *tmp;
new_module->from_string = tmp = (char *) (new_module + 1);
tmp = memcpy (tmp, from, to - from);
tmp += (to - from);
new_module->to_string = tmp;
tmp = memcpy (tmp, to, module - to);
tmp += (module - to);
new_module->cost_hi = cost_hi;
new_module->cost_lo = modcounter;
new_module->module_name = tmp;
if (dir_len != 0)
{
tmp = memcpy (tmp, directory, dir_len);
tmp += dir_len;
}
tmp = memcpy (tmp, module, wp - module);
tmp += (wp - module);
if (need_ext)
memcpy (tmp - 1, gconv_module_ext, sizeof (gconv_module_ext));
/* Now insert the new module data structure in our search tree. */
insert_module (new_module, 1);
}
setlocale(LC_ALL, old_locale);
}
/* Read the next configuration file. */
static void
internal_function
read_conf_file (const char *filename, const char *directory, size_t dir_len,
void **modules, size_t *nmodules)
{
FILE *fp = fopen (filename, "r");
char *line = NULL;
size_t line_len = 0;
static int modcounter;
char old_locale[20], *old_locale_p;
/* Don't complain if a file is not present or readable, simply silently
ignore it. */
if (fp == NULL)
return;
/* Set locale to default C locale. */
old_locale_p = setlocale(LC_ALL, "C");
strncpy(old_locale, old_locale_p, 20);
/* Process the known entries of the file. Comments start with `#' and
end with the end of the line. Empty lines are ignored. */
while (!feof (fp))
{
char *rp, *endp, *word;
ssize_t n = __getdelim (&line, &line_len, '\n', fp);
if (n < 0)
/* An error occurred. */
break;
rp = line;
/* Terminate the line (excluding comments or newline) by an NUL byte
to simplify the following code. */
endp = strchr (rp, '#');
if (endp != NULL)
*endp = '\0';
else
if (rp[n - 1] == '\n')
rp[n - 1] = '\0';
while (isspace (*rp))
++rp;
/* If this is an empty line go on with the next one. */
if (rp == endp)
continue;
word = rp;
while (*rp != '\0' && !isspace (*rp))
++rp;
if (rp - word == sizeof ("alias") - 1
&& memcmp (word, "alias", sizeof ("alias") - 1) == 0)
add_alias (rp, *modules);
else if (rp - word == sizeof ("module") - 1
&& memcmp (word, "module", sizeof ("module") - 1) == 0)
add_module (rp, directory, dir_len, modules, nmodules, modcounter++);
/* else */
/* Otherwise ignore the line. */
}
free (line);
fclose (fp);
setlocale(LC_ALL, old_locale);
}
/* Determine the directories we are looking for data in. */
void
__gconv_get_path (void)
{
struct path_elem *result;
__LOCK_INIT(static, path_lock);
#ifdef HAVE_DD_LOCK
__lock_acquire(path_lock);
#endif
/* Make sure there wasn't a second thread doing it already. */
result = (struct path_elem *) __gconv_path_elem;
if (result == NULL)
{
/* Determine the complete path first. */
char *gconv_path;
size_t gconv_path_len;
char *elem;
char *oldp;
char *cp;
int nelems;
char *cwd;
size_t cwdlen;
if (__gconv_path_envvar == NULL)
{
char * old = default_gconv_path;
size_t len = strlen (old) + 1;
char *new = (char *) alloca (len);
/* No user-defined path. Make a modifiable copy of the
default path. */
gconv_path = (char *) memcpy (new, old, len);
gconv_path_len = sizeof (default_gconv_path);
cwd = NULL;
cwdlen = 0;
}
else
{
/* Append the default path to the user-defined path. */
size_t user_len = strlen (__gconv_path_envvar);
char *tmp;
gconv_path_len = user_len + 1 + sizeof (default_gconv_path);
gconv_path = alloca (gconv_path_len);
tmp = memcpy (gconv_path, __gconv_path_envvar,
user_len);
tmp += user_len;
memcpy (tmp, ":", 1);
tmp += 1;
memcpy (tmp,
default_gconv_path, sizeof (default_gconv_path));
cwd = getcwd (NULL, 0);
cwdlen = strlen (cwd);
}
assert (default_gconv_path[0] == '/');
/* In a first pass we calculate the number of elements. */
oldp = NULL;
cp = strchr (gconv_path, ':');
nelems = 1;
while (cp != NULL)
{
if (cp != oldp + 1)
++nelems;
oldp = cp;
cp = strchr (cp + 1, ':');
}
/* Allocate the memory for the result. */
result = (struct path_elem *) malloc ((nelems + 1)
* sizeof (struct path_elem)
+ gconv_path_len + nelems
+ (nelems - 1) * (cwdlen + 1));
if (result != NULL)
{
char *strspace = (char *) &result[nelems + 1];
int n = 0;
/* Separate the individual parts. */
__gconv_max_path_elem_len = 0;
elem = strtok_r (gconv_path, ":", &gconv_path);
assert (elem != NULL);
do
{
result[n].name = strspace;
if (elem[0] != '/')
{
assert (cwd != NULL);
strspace = memcpy (strspace, cwd, cwdlen);
strspace += cwdlen;
*strspace++ = '/';
}
strspace = strcpy (strspace, elem);
while(*strspace != '\0') strspace++;
if (strspace[-1] != '/')
*strspace++ = '/';
result[n].len = strspace - result[n].name;
if (result[n].len > __gconv_max_path_elem_len)
__gconv_max_path_elem_len = result[n].len;
*strspace++ = '\0';
++n;
}
while ((elem = strtok_r (NULL, ":", &gconv_path)) != NULL);
result[n].name = NULL;
result[n].len = 0;
}
__gconv_path_elem = result ?: (struct path_elem *) &empty_path_elem;
if (cwd != NULL)
free (cwd);
}
#ifdef HAVE_DD_LOCK
__lock_release(path_lock);
#endif
}
/* Read all configuration files found in the user-specified and the default
path. */
void
__gconv_read_conf (void)
{
void *modules = NULL;
size_t nmodules = 0;
int save_errno = errno;
size_t cnt;
char *filename;
char *tmp;
const char *elem;
size_t elem_len;
/* First see whether we should use the cache. */
if (__gconv_load_cache () == 0)
{
/* Yes, we are done. */
__set_errno (save_errno);
return;
}
#ifndef STATIC_GCONV
/* Find out where we have to look. */
if (__gconv_path_elem == NULL)
__gconv_get_path ();
for (cnt = 0; __gconv_path_elem[cnt].name != NULL; ++cnt)
{
elem = __gconv_path_elem[cnt].name;
elem_len = __gconv_path_elem[cnt].len;
/* No slash needs to be inserted between elem and gconv_conf_filename;
elem already ends in a slash. */
filename = alloca (elem_len + sizeof (gconv_conf_filename));
tmp = memcpy (filename, elem, elem_len);
tmp += elem_len;
memcpy (tmp, gconv_conf_filename, sizeof (gconv_conf_filename));
/* Read the next configuration file. */
read_conf_file (filename, elem, elem_len, &modules, &nmodules);
}
#endif
/* Add the internal modules. */
for (cnt = 0; cnt < sizeof (builtin_modules) / sizeof (builtin_modules[0]);
++cnt)
{
struct gconv_alias fake_alias;
fake_alias.fromname = (char *) builtin_modules[cnt].from_string;
if (tfind (&fake_alias, &__gconv_alias_db, __gconv_alias_compare)
!= NULL)
/* It'll conflict so don't add it. */
continue;
insert_module (&builtin_modules[cnt], 0);
}
/* Add aliases for builtin conversions. */
cnt = sizeof (builtin_aliases) / sizeof (builtin_aliases[0]);
while (cnt > 0)
{
char * old = builtin_aliases[--cnt];
size_t len = strlen (old) + 1;
char *new = (char *) alloca (len);
char *copy = (char *) memcpy (new, old, len);
add_alias (copy, modules);
}
/* Restore the error number. */
__set_errno (save_errno);
}
/* Free all resources if necessary. */
static void __attribute__ ((unused))
free_mem (void)
{
if (__gconv_path_elem != NULL && __gconv_path_elem != &empty_path_elem)
free ((void *) __gconv_path_elem);
}
text_set_element (__libc_subfreeres, free_mem);