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1997-08-10 18:48 Ulrich Drepper <drepper@cygnus.com> * Makeconfig: Define build-programs to no if not set and $(config-os) is none. * Makerules (+depfiles): Don't add $(others) if not build-programs. * Rules (others): Don't depend on $(install-bin), $(install-rootbin) and $(install-sbin) if not build-programs. * Makefile (subdirs): Remove login. * sysdeps/mach/hurd/Subdirs: Add login. * sysdeps/unix/Subdirs: Add login. * sysdeps/generic/sys/mman.h: Test feature macros before defining non-POSIX things. Add MAP_FAILED. * sysdeps/unix/bsd/osf/sys/mman.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/sys/mman.h: Likewise. * sysdeps/unix/bsd/ultrix4/sys/mman.h: Likewise. * sysdeps/unix/sysv/irix4/sys/mman.h: Likewise. * sysdeps/unix/sysv/linux/sys/mman.h: Rewrite to not use kernel header but bits/mman.h. Test feature macros before definitions non-POSIX functions. * sysdeps/unix/sysv/linux/alpha/bits/mman.h: New file. * sysdeps/unix/sysv/linux/i386/bits/mman.h: New file. * sysdeps/unix/sysv/linux/m68k/bits/mman.h: New file. * sysdeps/unix/sysv/linux/mips/bits/mman.h: New file. * sysdeps/unix/sysv/linux/powerpc/bits/mman.h: New file. * sysdeps/unix/sysv/linux/sparc/bits/mman.h: New file. * sysdeps/unix/sysv/linux/sparc64/bits/mman.h: New file. * sysdeps/unix/sysv/linux/alpha/Dist: Add bits/mman.h. * sysdeps/unix/sysv/linux/i386/Dist: Likewise. * sysdeps/unix/sysv/linux/m68k/Dist: Likewise. * sysdeps/unix/sysv/linux/mips/Dist: Likewise. * sysdeps/unix/sysv/linux/powerpc/Dist: Likewise. * sysdeps/unix/sysv/linux/sparc/Dist: Likewise. * sysdeps/unix/sysv/linux/sparc64/Dist: New file. Likewise. * catgets/open_catalog.c (__open_catalog): Compare result of mmap with MAP_FAILED and not -1. * elf/dl-load.c (_dl_map_object_from_fd): Likewise. * elf/dl-minimal.c (malloc): Likewise. * elf/dl-misc.c (_dl_sysdep_read_whole_file): Likewise. * locale/loadlocale.c (_nl_load_locale): Likewise. * locale/programs/localedef.c: Likewise. * malloc/malloc.c (mmap_chunk): Likewise. (new_heap): Likewise. * string/stratcliff.c: Likewise. * string/tester.c: Add tests for stpcpy. * gmon/gmon.c (__monstartup): Use calloc instead of malloc+memset. * gmon/sys/gmon.h: Add prototype for write_profiling. * elf/dl-profile.c: Add decsriptions and implement reading of existing data in profiling file. * gmon/sys/gmon_out.h (GMON_SHOBJ_VERSION): New macro for shared lib profiling data. * sysdeps/stub/bits/libc-lock.h (__libc_once_define): Add new first parameter for class. * inet/inet_ntoa.c: Make once control variable static. Correctly handle case where key cannot be retrieved. * inet/Makefile (tests): Add tst-ntoa. * inet/tst-ntoa.c: New file. * manual/time.texi: Document localtime_r, gmtime_r, asctime_r, and ctime_r. Mention that tzname values must not be changed. * manual/users.texi: Document UTMP/WTMP handling functions. Mainly written by Mark Kettenis. * math/libm-test.c (cbrt_test): Add test for number with aboslute value < 1.0. * nss/nss_files/files-XXX.c (internal_setent): If opening of file failed with EGAIN return NSS_STATUS_TRYAGAIN. * nss/nss_files/files-alias.c (internal_setent): Likewise. * sysdeps/generic/bits/utmp.h: Pretty print. * sysdeps/i386/i586/strcpy.S: New file. Much faster implementation. * sysdeps/i386/i586/stpcpy.S: New file. * sysdeps/i386/i686/Implies: Don't fall back on i586 versions since these are less efficient than i486/i386 versions. * sysdeps/libm-i387/e_rem_pio2.c: Add empty file to prevent the version from libm-ieee754 be compiled since the later is not needed. * sysdeps/libm-i387/e_rem_pio2f.c: Likewise. * sysdeps/libm-i387/e_rem_pio2l.c: Likewise. * sysdeps/libm-i387/k_rem_pio2.c: Likewise. * sysdeps/libm-i387/k_rem_pio2f.c: Likewise. * sysdeps/libm-i387/k_rem_pio2l.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2f.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2l.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2f.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2l.c: Likewise. * sysdeps/libm-i387/s_cbrt.S: Fix several bugs. * sysdeps/libm-i387/s_cbrtf.S: Likewise. * sysdeps/libm-i387/s_cbrtl.S: Likewise. * sysdeps/unix/sysv/linux/if_index.c (if_indextoname): Correct little bug. * sysdeps/unix/sysv/linux/bits/socket.h (struct msghdr): Make field msg_iovlen of type int. * time/tzfile.c: Change return type of __tzstring to char *. * time/tzset.c: Likewise. Change definition of __tzstring. * time/tzset.c: Interpret no DST information in user provided time zone specification as it is meant: no DST. Patch by Paul Eggert <eggert@twinsun.com>. 1997-07-20 03:01 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/elf/dl-load.c (add_name_to_object): New procedure. (_dl_map_object_from_fd): Use add_name_to_object. (_dl_map_object): If an object's SONAME is used to resolve a dependency, add it to the list of the object's names. * inet/getnameinfo.c: Make `domain' non-const. * sysdeps/unix/sysv/linux/powerpc/kernel_termios.c: Clean up. * math/test-fenv.c (feenv_nomask_test): Don't execute if FE_NOMASK_ENV is not defined, or if fesetenv(FE_NOMASK_ENV) sets errno to ENOSYS. * sysdeps/powerpc/dl-machine.h: Print proper error message on unknown reloc type (rather than using assert). * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: New file. * sysdeps/unix/sysv/linux/powerpc/profil.c: Deleted. 1997-07-16 12:47 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/bits/fenv.h (feraiseexcept): New optimising macro. (feclearexcept): New optimising macro. (FE_NOMASK_ENV): Change to procedure so it can enable exceptions. (FE_ENABLED_ENV): Add. (FE_NONIEEE_ENV): Add. * sysdeps/powerpc/bits/fenv_const.c: Add __fe_enabled_env, __fe_nonieee_env; delete __fe_nomask_env. * sysdeps/powerpc/bits/fe_nomask.c: New file (stub warning until it gets implemented in the kernel). * sysdeps/powerpc/fraiseenv.c: Deal with chips that don't have FE_INVALID_SOFTWARE implemented. Use macros for bit names for clarity. * sysdeps/powerpc/fsetexcptflag.c: Likewise. * io/ftw.c: Don't compare holes in structures. * sysdeps/unix/sysv/linux/sys/sysmacros.h: Cast the result of the macros to `int', because otherwise it might be `long long' which the calling code is probably not expecting. * sysdeps/libm-ieee754/s_lround.c [NO_LONG_DOUBLE]: Fix a few bugs, document the existence of some more. * sysdeps/powerpc/s_llrint.c: New file. * sysdeps/powerpc/s_lrint.c: New file. * sysdeps/powerpc/s_llround.c: New file. * sysdeps/powerpc/s_lround.c: New file. * sysdeps/powerpc/s_sqrt.c: New file. * sysdeps/powerpc/s_sqrtf.c: New file. * sysdeps/powerpc/w_sqrt.s: New empty file. * sysdeps/powerpc/w_sqrtf.s: New empty file. * sysdeps/powerpc/t_sqrt.c: New file. * sysdeps/powerpc/test-arithf.c: New file. * sysdeps/powerpc/Makefile [subdir=math]: Add t_sqrt to support routines. Add test-arithf to test programs. * sysdeps/powerpc/bits/mathdef.h: Add FP_ILOGB0, FP_ILOGBNAN. * sysdeps/powerpc/strcmp.s: Simplify drastically. Now much neater, and possibly faster (or possibly slower, depending on input). 1997-06-08 22:55 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/fenvbits.h: Correct FE_DFL_ENV and FE_NOMASK_ENV macros. * sysdeps/powerpc/s_rint.c: New file. 1997-05-22 08:47 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/Makefile [subdir=math]: Add q_* routines. * sysdeps/powerpc/Dist: Add quad_float.h. * sysdeps/powerpc/q_dtoq.c: New file. * sysdeps/powerpc/q_itoq.c: New file. * sysdeps/powerpc/q_lltoq.c: New file. * sysdeps/powerpc/q_neg.c: New file. * sysdeps/powerpc/q_qtoi.c: New file. * sysdeps/powerpc/q_qtoll.c: New file. * sysdeps/powerpc/q_qtos.c: New file. * sysdeps/powerpc/q_qtou.c: New file. * sysdeps/powerpc/q_qtoull.c: New file. * sysdeps/powerpc/q_stoq.c: New file. * sysdeps/powerpc/q_ulltoq.c: New file. * sysdeps/powerpc/q_utoq.c: New file. * sysdeps/powerpc/quad_float.h: New file. * sysdeps/powerpc/test-arith.c: New file. * sysdeps/powerpc/fpu_control.h: Fix _FPU_GETCW. * sysdeps/powerpc/fegetround.c: Use mcrfs to be faster and not require a stack frame. * sysdeps/powerpc/bits/fenv.h: Include inline macro for fegetround. 1997-05-18 05:55 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/fenv_libc.h (fegetenv_register, fesetenv_register): Add 'volatile'. (set_fpscr_bit, reset_fpscr_bit): New macros, FPSCR_* constants to use with them. * sysdeps/powerpc/s_copysign.S: New file. * sysdeps/powerpc/s_copysignf.s: New file. * sysdeps/powerpc/s_fabs.S: New file. * sysdeps/powerpc/s_fabsf.s: New file. * sysdeps/powerpc/s_isnan.c: New file. * sysdeps/powerpc/s_isnanf.s: New file. * sysdeps/powerpc/s_rintf.c: New file. * sysdeps/powerpc/fenvbits.h: Make FE_INVALID the summary bit in the FPSCR, not the enable bit. * sysdeps/powerpc/fraiseexcpt.c: Consequent change to the above. * sysdeps/powerpc/fclrexcpt.c: Correct. * sysdeps/powerpc/fsetexcptflag.c: Correct. * sysdeps/powerpc/ftestexcpt.c: Is now much simpler. * sysdeps/powerpc/fgetexcptflg.c: Simplify. * sysdeps/powerpc/strlen.s: Schedule better, save 3 clocks :-). * sysdeps/powerpc/dl-machine.h (elf_machine_rela): Add comment explaining some reentrancy issues with lazy PLT entries. 1997-08-09 13:04 Mark Kettenis <kettenis@phys.uva.nl> * login/logout.c (logout): utmpname returns -1 on error. * login/libutil.map: Remove updwtmp. * login/getutline.c: Rename getutline to __getutline and make getutline a weak alias. Make getutxline a weak alias for __getutline. * login/getutid.c: Rename getutid to __getutid and make getutid a weak alias. Make getutxid a weak alias for __getutid. * libc.map: Add getutxid, getutxline. * login/utmpname.c (__utmpname): Reset backend right after backend endutent call. * login/utmp_file.c: Reordered functions. Remove unecessary header files. (getutent_r_file, pututline_file): Do not call setutent_file. At this point the file is guaranteed to be open (assert!). (getutid_r_file, getutline_r_file): Remove check for validity of file descriptor. At this point the file is guaranteed to be open. (getutent_r_file, internal_getut_r, getutline_r_file, pututline_file, updwtmp_file): Do not wait when unlocking file. * login/utmp_daemon.c: General cleanup and a bit of reordering. (getutent_r_daemon, pututline_daemon): Do not call setutent_daemon. At this point the socket is guaranteed to be open (assert!). (getutid_r_daemon, getutline_r_daemon): Do not check if daemon_sock is valid. At this point the socket is guaranteed to be open (assert!). * login/getutline_r.c: Remove unnecessary header files. (__getutline_r): Do not call backend setutent. * login/getutid_r.c: Remove unnecessary header files. (__getutid_r): Do not call backend setutent. * login/getutent_r.c: Remove unneccesary header files. (__libc_utmp_unknown_functions): Added getutid_r_unknown, getutline_r_unknown. (setutent_unknown): Only set file backend if setutent for the file backend was successful. (getutent_r_unknown, pututline_unknown): Call setutent_unknown instead of __setutent. Report failure if no backend was selected. (getutid_r_unknown): New function. (getutline_r_unknown): New function. (__endutent): Reset backend. This makes sure all backends are checked on the next setutent call. 1997-08-08 20:20 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis_cache.c: Replace dummy functions. * libc.map: Add xdr_sizeof symbol. * sunrpc/Makefile: Add xdr_sizeof to routines. * sunrpc/rpc/xdr.h: Add xdr_sizeof prototype. * sunrpc/xdr_sizeof.c: New, from tirpc 2.3. 1997-08-08 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/bits/libc-lock.h (__libc_once): Define correctly. 1997-08-07 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/profil.c (fetch_samples): Put parens in the right place. 1997-08-06 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/profil.c (fetch_samples): Do arithmetic on PC's in long long to avoid overflow. 1997-08-07 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/bits/libc-lock.h (__libc_once, __libc_once_define): New macros. 1997-08-06 Andreas Jaeger <aj@arthur.rhein-neckar.de> * nis/Makefile (headers): Remove bits/nislib.h. 1997-08-06 14:54 Ulrich Drepper <drepper@cygnus.com> * sysdeps/mach/hurd/Subdirs: Add login. 1997-08-06 14:23 Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de> * db/hash/hash.c (init_hash): Don't use stat() if it doesn't provide the preferred block size. * login/programs/database.c (store_state_entry): Don't compile if there is no ut_type field. (store_state_entry, store_process_entry): Use the ut_tv field for timestamps if supported. * login/programs/utmpdump.c (print_entry): Always use ut_tv field. * login/programs/xtmp.c: Fix numerous xtmp/utmp typos. Use the ut_tv field for timestamps if supported. * login/programs/xtmp.h: Fix xtmp/utmp typo. * sysdeps/posix/defs.c (stdstream): Change (PTR) to (void *). * sysdeps/stub/connect.c (connect): Change to __connect, add alias. * sysdeps/stub/send.c (send): Likewise. * sysdeps/stub/s_exp2f.c: Emit correct stub_warning(). * sysdeps/stub/statfs.c: Move stub_warning() to the usual place. * sysdeps/stub/init-first.c: Add definition of __libc_pid. 1997-08-05 13:28 Philip Blundell <pb@spring.nexus.co.uk> * sysdeps/standalone/arm/bits/errno.h: Add EISDIR, EOPNOTSUPP; tidy up formatting. * Makefile (subdirs): Remove `login'. * sysdeps/unix/Subdirs: New file; build `login' subdirectory for Unix systems. 1997-08-05 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/generic/bits/utmpx.h: New file. * sysdeps/mach/hurd/Dist: Add some files. * sysdeps/mips/Dist: Likewise. * sysdeps/mips/mips64/Dist: Likewise. * sysdeps/sparc/Dist: Likewise. * sysdeps/unix/sysv/linux/mips/Dist: Likewise. * sysdeps/unix/sysv/linux/sparc/Dist: Likewise. * sysdeps/mips/mipsel/Dist: New file. * sysdeps/sparc64/elf/Dist: New file. * sysdeps/unix/sysv/linux/sparc64/Dist: New file. 1997-08-05 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libc.map: Add missing symbols. 1997-08-05 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/socket.texi: Correct typos. * manual/math.texi: Correct typos. * manual/time.texi (Formatting Date and Time): Likewise. 1997-08-04 13:06 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * gmon/gmon.c (write_gmon): New function; guts from _mcleanup. (_mcleanup): Use write_gmon. (write_profiling): This function can be safely called at any time to write a current histogram without interfering with ongoing profiling. * sysdeps/mach/hurd/profil.c (fetch_samples): Initialize NSAMPLES. 1997-08-01 17:53 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/profil.c (fetch_samples): Sample buffer need not be vm_deallocated; it's a stack buffer. (profil_vm_deallocate): Delete prototype. (#include <../mach/RPC_vm_deallocate_rpc.c>): Drop this inclusion. * sysdeps/mach/hurd/Makefile ($(common-objpfx)hurd/../mach/RPC_vm_deallocate_rpc.c): Delete this rule. * sysdeps/mach/hurd/profil.c (fetch_samples): New function, guts from profile_waiter. (profile_waiter): Use fetch_samples. (profil): When turning off profiling, fetch the last bunch of samples before disabling PC sampling. (fetch_samples): Add prototype. 1997-07-30 12:53 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/Makefile: Give normal rules for the mach RPC source included by profil.c instead of trying to use before-compile grot. 1997-07-23 15:04 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/profil.c (profile_waiter): Do vm_deallocate after releasing lock. Use special RPC stubs and avoid assert, thus making this function entirely independent of the threadvar mechanism and of cthreads. (lock): Convert to be a spin lock instead of a mutex, so that the waiter thread need not use cthreads. Use a fork prepare hook instead of _hurd_fork_locks to make sure we are clean before forking. (fork_profil_child): Renamed from fork_profil. (profil_reply_port): New variable. (profil_vm_deallocate, profil_task_get_sampled_pcs): Special RPC stubs made by special hacks. * sysdeps/mach/hurd/Makefile (before-compile): Add the mach RPC source files that profil.c needs if we are in the gmon directory. * mach/setup-thread.c (__mach_setup_thread): Delete avoidance of a cthreads bug that hasn't existed for two years. * stdio-common/printf_fp.c (__printf_fp): Correct rounding of numbers * locale/programs/locale.c (print_escaped): New function. * time/australasia: Likewise. (open_database, synchronize_database, initialize_database): * nss/nss_files/files-netgrp.c (_nss_netgroup_parseline): Don't * Makerules (load-map-file): Currectly handle missing map file. cannot rely on M_SQRT2 being defined. (log1p): Use __M_SQRT2 not M_SQRT2.
386 lines
8.8 KiB
C
386 lines
8.8 KiB
C
/* The Inner Net License, Version 2.00
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The author(s) grant permission for redistribution and use in source and
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binary forms, with or without modification, of the software and documentation
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provided that the following conditions are met:
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0. If you receive a version of the software that is specifically labelled
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as not being for redistribution (check the version message and/or README),
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you are not permitted to redistribute that version of the software in any
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way or form.
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1. All terms of the all other applicable copyrights and licenses must be
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followed.
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2. Redistributions of source code must retain the authors' copyright
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notice(s), this list of conditions, and the following disclaimer.
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3. Redistributions in binary form must reproduce the authors' copyright
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notice(s), this list of conditions, and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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4. All advertising materials mentioning features or use of this software
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must display the following acknowledgement with the name(s) of the
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authors as specified in the copyright notice(s) substituted where
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indicated:
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This product includes software developed by <name(s)>, The Inner
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Net, and other contributors.
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5. Neither the name(s) of the author(s) nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY ITS AUTHORS AND CONTRIBUTORS ``AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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If these license terms cause you a real problem, contact the author. */
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/* This software is Copyright 1996 by Craig Metz, All Rights Reserved. */
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#define INET6 1
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#define LOCAL 1
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#define HOSTTABLE 0
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#define RESOLVER 1
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#if LOCAL
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#include <sys/un.h>
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#include <sys/utsname.h>
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#endif /* LOCAL */
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#include <netdb.h>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <alloca.h>
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#include <bits/libc-lock.h>
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#include <arpa/inet.h>
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#ifndef AF_LOCAL
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# define AF_LOCAL AF_UNIX
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#endif /* AF_LOCAL */
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#if HOSTTABLE
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struct hostent *_addr2hostname_hosts (const char *, int, int);
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#endif /* HOSTTABLE */
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#ifndef min
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# define min(x,y) (((x) > (y)) ? (y) : (x))
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#endif /* min */
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static const char *
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nrl_domainname (void)
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{
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static char *domain = NULL;
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static int first = 1;
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if (first)
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{
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__libc_lock_define_initialized (static, lock);
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__libc_lock_lock (lock);
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if (first)
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{
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char *c;
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struct hostent *h, th;
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int tmpbuflen = 1024;
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char *tmpbuf = alloca (tmpbuflen);
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int herror;
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first = 0;
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while (__gethostbyname_r ("localhost", &th, tmpbuf, tmpbuflen, &h,
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&herror))
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{
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if (herror == NETDB_INTERNAL && errno == ERANGE)
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{
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tmpbuflen *= 2;
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tmpbuf = alloca (tmpbuflen);
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}
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else
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break;
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}
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if (h && (c = strchr (h->h_name, '.')))
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domain = __strdup (++c);
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else
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{
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/* The name contains no domain information. Use the name
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now to get more information. */
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while (gethostname (tmpbuf, tmpbuflen))
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{
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tmpbuflen *= 2;
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tmpbuf = alloca (tmpbuflen);
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}
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if ((c = strchr (tmpbuf, '.')))
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domain = __strdup (++c);
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else
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{
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/* We need to preserve the hostname. */
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const char *hstname = strdupa (tmpbuf);
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while (__gethostbyname_r (hstname, &th, tmpbuf, tmpbuflen,
|
|
&h, &herror))
|
|
{
|
|
if (herror == NETDB_INTERNAL && errno == ERANGE)
|
|
{
|
|
tmpbuflen *= 2;
|
|
tmpbuf = alloca (tmpbuflen);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (h && (c = strchr(h->h_name, '.')))
|
|
domain = __strdup (++c);
|
|
else
|
|
{
|
|
struct in_addr in_addr;
|
|
|
|
in_addr.s_addr = htonl (0x7f000001);
|
|
|
|
while (__gethostbyaddr_r ((const char *) &in_addr,
|
|
sizeof (struct in_addr),
|
|
AF_INET, &th, tmpbuf,
|
|
tmpbuflen, &h, &herror))
|
|
{
|
|
if (herror == NETDB_INTERNAL && errno == ERANGE)
|
|
{
|
|
tmpbuflen *= 2;
|
|
tmpbuf = alloca (tmpbuflen);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (h && (c = strchr (h->h_name, '.')))
|
|
domain = __strdup (++c);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
__libc_lock_unlock (lock);
|
|
}
|
|
|
|
return domain;
|
|
};
|
|
|
|
|
|
int
|
|
getnameinfo (const struct sockaddr *sa, size_t addrlen, char *host,
|
|
size_t hostlen, char *serv, size_t servlen, int flags)
|
|
{
|
|
int serrno = errno;
|
|
int tmpbuflen = 1024;
|
|
int herrno;
|
|
char *tmpbuf = alloca (tmpbuflen);
|
|
struct hostent th;
|
|
|
|
if (sa == NULL)
|
|
return -1;
|
|
|
|
if (host != NULL && hostlen > 0)
|
|
switch(sa->sa_family)
|
|
{
|
|
case AF_INET:
|
|
#if INET6
|
|
case AF_INET6:
|
|
#endif /* INET6 */
|
|
if (!(flags & NI_NUMERICHOST))
|
|
{
|
|
struct hostent *h = NULL;
|
|
#if HOSTTABLE
|
|
# if INET6
|
|
if (sa->sa_family == AF_INET6)
|
|
h = _addr2hostname_hosts ((void *) &(((struct sockaddr_in6 *) sa)->sin6_addr),
|
|
sizeof(struct in6_addr), AF_INET6);
|
|
else
|
|
# endif /* INET6 */
|
|
h = _addr2hostname_hosts ((void *)& (((struct sockaddr_in *) sa)->sin_addr),
|
|
sizeof(struct in_addr), AF_INET);
|
|
#endif /* HOSTTABLE */
|
|
|
|
#if RESOLVER
|
|
if (h == NULL)
|
|
{
|
|
#if INET6
|
|
if (sa->sa_family == AF_INET6)
|
|
{
|
|
while (__gethostbyaddr_r ((void *) &(((struct sockaddr_in6 *) sa)->sin6_addr),
|
|
sizeof(struct in6_addr),
|
|
AF_INET6, &th, tmpbuf, tmpbuflen,
|
|
&h, &herrno))
|
|
{
|
|
if (herrno == NETDB_INTERNAL)
|
|
{
|
|
if (errno == ERANGE)
|
|
{
|
|
tmpbuflen *= 2;
|
|
tmpbuf = alloca (tmpbuflen);
|
|
}
|
|
else
|
|
{
|
|
__set_h_errno (herrno);
|
|
goto fail;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
#endif /* INET6 */
|
|
while (__gethostbyaddr_r ((void *) &(((struct sockaddr_in *)sa)->sin_addr),
|
|
sizeof(struct in_addr), AF_INET,
|
|
&th, tmpbuf, tmpbuflen,
|
|
&h, &herrno))
|
|
{
|
|
if (errno == ERANGE)
|
|
{
|
|
tmpbuflen *= 2;
|
|
tmpbuf = alloca (tmpbuflen);
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif /* RESOLVER */
|
|
|
|
if (h)
|
|
{
|
|
if (flags & NI_NOFQDN)
|
|
{
|
|
const char *c;
|
|
if ((c = nrl_domainname ()) && (c = strstr(h->h_name, c))
|
|
&& (c != h->h_name) && (*(--c) == '.'))
|
|
{
|
|
strncpy (host, h->h_name,
|
|
min(hostlen, (size_t) (c - h->h_name)));
|
|
break;
|
|
}
|
|
}
|
|
strncpy (host, h->h_name, hostlen);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (flags & NI_NAMEREQD)
|
|
goto fail;
|
|
else
|
|
{
|
|
const char *c;
|
|
#if INET6
|
|
if (sa->sa_family == AF_INET6)
|
|
c = inet_ntop (AF_INET6,
|
|
(void *) &(((struct sockaddr_in6 *) sa)->sin6_addr),
|
|
host, hostlen);
|
|
else
|
|
#endif /* INET6 */
|
|
c = inet_ntop (AF_INET,
|
|
(void *) &(((struct sockaddr_in *) sa)->sin_addr),
|
|
host, hostlen);
|
|
|
|
if (!c)
|
|
goto fail;
|
|
}
|
|
break;
|
|
|
|
#if LOCAL
|
|
case AF_LOCAL:
|
|
if (!(flags & NI_NUMERICHOST))
|
|
{
|
|
struct utsname utsname;
|
|
|
|
if (!uname (&utsname))
|
|
{
|
|
strncpy (host, utsname.nodename, hostlen);
|
|
break;
|
|
};
|
|
};
|
|
|
|
if (flags & NI_NAMEREQD)
|
|
goto fail;
|
|
|
|
strncpy (host, "localhost", hostlen);
|
|
break;
|
|
#endif /* LOCAL */
|
|
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
if (serv && (servlen > 0))
|
|
switch(sa->sa_family)
|
|
{
|
|
case AF_INET:
|
|
#if INET6
|
|
case AF_INET6:
|
|
#endif /* INET6 */
|
|
if (!(flags & NI_NUMERICSERV))
|
|
{
|
|
struct servent *s, ts;
|
|
while (__getservbyport_r (((struct sockaddr_in *) sa)->sin_port,
|
|
((flags & NI_DGRAM) ? "udp" : "tcp"),
|
|
&ts, tmpbuf, tmpbuflen, &s))
|
|
{
|
|
if (herrno == NETDB_INTERNAL)
|
|
{
|
|
if (errno == ERANGE)
|
|
{
|
|
tmpbuflen *= 2;
|
|
tmpbuf = __alloca(tmpbuflen);
|
|
}
|
|
else
|
|
goto fail;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
if (s)
|
|
{
|
|
strncpy(serv, s->s_name, servlen);
|
|
break;
|
|
}
|
|
}
|
|
snprintf (serv, servlen, "%d",
|
|
ntohs (((struct sockaddr_in *) sa)->sin_port));
|
|
break;
|
|
|
|
#if LOCAL
|
|
case AF_LOCAL:
|
|
strncpy (serv, ((struct sockaddr_un *) sa)->sun_path, servlen);
|
|
break;
|
|
#endif /* LOCAL */
|
|
}
|
|
|
|
if (host && (hostlen > 0))
|
|
host[hostlen-1] = 0;
|
|
if (serv && (servlen > 0))
|
|
serv[servlen-1] = 0;
|
|
errno = serrno;
|
|
return 0;
|
|
|
|
fail:
|
|
errno = serrno;
|
|
return -1;
|
|
};
|