1999-05-24 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/posix/getaddrinfo.c (gaih_inet): Set socket address to
loopback if no name is given and AI_PASSIVE is not set.
Patch by Maciej W. Rozycki <macro@ds2.pg.gda.pl> [PR libc/1136].
1999-05-23 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* malloc/malloc.h: Add __THROW for __MALLOC_P to synch with usage
of __P in the rest of glibc; define __MALLOC_PMT and use it.
Reported by Stephan Kulow <coolo@kde.org>.
1999-05-19 Jakub Jelinek <jj@ultra.linux.cz>
* sysdeps/generic/bits/elfclass.h: Version common to
wordsize-32 and wordsize-64.
* sysdeps/generic/bits/environments.h: Ditto.
* sysdeps/generic/stdint.h: Ditto.
* sysdeps/generic/inttypes.h: Ditto.
* sysdeps/generic/bits/wordsize.h: New file.
* stdlib/Makefile: Add bits/wordsize.h to headers.
* sysdeps/sparc/sparc64/bits/wordsize.h: New file.
* sysdeps/sparc/sparc64/fpu/bits/fenv.h: Allow the same exported
headers to be used for 32bit and 64bit ABI compilations.
* sysdeps/sparc/sparc64/fpu/fpu_control.h: Ditto.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h: Ditto.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Ditto.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h: Ditto.
* sysdeps/unix/sysv/linux/sparc/sparc64/sys/ucontext.h: Ditto.
* sysdeps/wordsize-64/bits/elfclass.h: Remove.
* sysdeps/wordsize-64/bits/environments.h: Remove.
* sysdeps/wordsize-64/stdint.h: Remove.
* sysdeps/wordsize-64/inttypes.h: Remove.
* sysdeps/wordsize-64/bits/wordsize.h: New file.
* sysdeps/wordsize-32/bits/elfclass.h: Remove.
* sysdeps/wordsize-32/bits/environments.h: Remove.
* sysdeps/wordsize-32/stdint.h: Remove.
* sysdeps/wordsize-32/inttypes.h: Remove.
* sysdeps/wordsize-32/bits/wordsize.h: New file.
1999-05-19 Jakub Jelinek <jj@ultra.linux.cz>
* sysdeps/sparc/sparc64/memcpy.S (__align_cpy_4, __align_cpy_8,
__align_cpy_16): New functions.
(__align_cpy_2, __align_cpy_1): New aliases to memcpy.
* sysdeps/sparc/sparc32/Versions: New file.
* sysdeps/sparc/sparc64/Versions: New file.
* sysdeps/sparc/Versions: Remove.
1999-05-19 Jakub Jelinek <jj@ultra.linux.cz>
* sysdeps/unix/sysv/linux/configure.in:
On sparc64-*-linux*, set slibdir to /lib64 if prefix
is /usr, plus set libdir to ${exec_prefix}/lib64.
* sysdeps/unix/sysv/linux/configure: Regenerated.
* config.make.in: Propagate libdir settings from configure
to the Makefiles.
* shlib-versions: sparc64-*-linux* dynamic linker is
/lib64/ld-linux.so.2.
1999-05-18 Jakub Jelinek <jj@ultra.linux.cz>
* sysdeps/sparc/sparc64/rawmemchr.S: New file.
* sysdeps/sparc/sparc32/sparcv9/rawmemchr.S: New file.
* sysdeps/sparc/sparc64/memchr.S: Fix if the second argument
contains garbage in bits 8-63.
* sysdeps/sparc/sparc64/memset.S: Ditto.
* sysdeps/sparc/sparc64/strchr.S: Ditto.
1999-05-18 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/wordsize-64/stdint.h (INTPTR_MAX): Add missing ).
1999-05-17 David S. Miller <davem@redhat.com>
* sysdeps/sparc/sparc32/atomicity.h: New file.
* sysdeps/sparc/sparc32/sparcv9/atomicity.h: New file.
* sysdeps/sparc/sparc64/atomicity.h: New file.
* sysdeps/sparc/sparc32/sparcv9/Makefile: Add -Wa,-Av9a to
sysdep-CFLAGS.
1999-05-04 Zack Weinberg <zack@rabi.phys.columbia.edu>
* argp/argp.h, assert/assert.h, misc/sys/cdefs.h,
posix/sys/types.h: Handle the case of __GNUC__=3,
__GNUC_MINOR__=(anything).
1999-05-17 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/i386/i486/Versions: New file with inline functions from
sysdeps/i386/i486/bits/string.h for now.
* sysdeps/i386/Versions: Add inline functions from
sysdeps/i386/bits/string.h.
* string/Versions: Add inline functions from <bits/string2.h>.
* string/Makefile (routines): Add string-inlines.
* string/string-inlines.c: New file, used for implementation of
extern inline functions.
* sysdeps/i386/i486/bits/string.h: Use _FORCE_INLINES to generate
non inlined versions of functions.
* string/bits/string2.h: Likewise.
* sysdeps/i386/bits/string.h: Likewise.
1999-05-17 Ulrich Drepper <drepper@cygnus.com>
* inet/arpa/tftp.h: Add second packed attribute.
1999-05-16 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
* malloc/malloc.c: Cleanup to bring in line with released
stand-alone version `ptmalloc'. Update some comments.
(internal_function): Move fallback definition so that the source
compiles outside of libc, and use it in more places.
(malloc_atfork): Fix when malloc_check is in use.
1999-05-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* stdlib/tst-strtod.c: Fix typo.
1999-05-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* elf/dl-close.c (_dl_close): Add cast to avoid warning about
const incorrectness.
1999-05-15 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/gnu/utmpx.h: Add needed type definitions according to
Unix98. Add forward declaration of struct utmp.
1999-05-14 Mark Kettenis <kettenis@gnu.org>
* sysdeps/generic/getutmp.c: Include <string.h>
(getutmp): Rewrite to only copy those members that are really
present in `struct utmp'.
* sysdeps/generic/getutmpx.c: Likewise.
1999-05-11 Ulrich Drepper <drepper@cygnus.com>
* elf/Versions (ld.so) [GLIBC_2.1.1]: Add _dl_lazy.
* elf/dl-open.c (_dl_open_worker): Only relocate newly loaded objects
lazily if LD_BIND_NOW is not set.
* elf/dl-support.c (_dl_lazy): New variable.
(non_dynamic_init): Set _dl_lazy according to LD_BIND_NOW envvar.
* elf/rtld.c (_dl_lazy): new global variable.
( dl_main): Remove lazy, replace it by _dl_lazy.
1999-05-06 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* locale/setlocale.c (new_composite_name): Check also whether the
first category name differs.
1999-05-11 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* sysdeps/unix/sysv/linux/ftime.c: Use the bsd implementation, not
the generic one.
1999-05-11 Philip Blundell <pb@nexus.co.uk>
* sysdeps/generic/bits/socket.h (struct sockaddr_storage): New
structure; storage suitable for any socket address.
* sysdeps/unix/sysv/linux/bits/socket.h (struct sockaddr_storage):
Likewise.
* sysdeps/unix/sysv/linux/mips/bits/socket.h (struct
sockaddr_storage): Likewise.
* inet/netinet/in.h: Use ULONG_MAX not ~0 to test for a 64-bit
platform.
1999-05-10 Ulrich Drepper <drepper@cygnus.com>
* hesiod/Versions: Change _nss_hesiod_getpwuid and
_nss_hesiod_getgrgid to _nss_hesiod_getpwuid_r and
_nss_hesiod_getgrgid_r respectively.
* elf/link.h (struct link_map): New field l_phdr_allocated.
* elf/dl-load.c (_dl_map_object_from_fd): Don't depend on having
the program header being part of any loaded segment. If it is not
allocate memory and set l_phdr_allocated flag.
* elf/dl-close.c (_dl_close): Free l_phdr if necessary.
* Versions.def (ld.so): Add GLIBC_2.1.1.
* elf/Makefile (routines): Add dl-origin.
(tests): Add origtest. Add dependencies for the program.
* elf/Versions (ld.so) [GLIBC_2.1.1]: Add _dl_origin_path,
_dl_platformlen, _dl_dst_count and _dl_dst_substitute.
* elf/dl-deps.c (expand_dst): New macro. Expand DSTs in filename.
(_dl_map_object_deps): Use expand_dst to expand DSTs in DT_NEEDED,
DT_AUXILIARY, and DT_FILTER filenames.
* elf/dl-load.c (expand_dynamic_string_token): Explode into
two functions and three macros.
(_dl_dst_count, _dl_dst_substitute): New functions.
* elf/dl-dst.h: New file.
* elf/dl-open.c (_dl_open): Take extra parameter with address of
caller. Pass address in args structure.
(dl_open_worker): Recognize and expand DSTs in filename.
* elf/ldsodefs.h (_dl_open): Adapt prototype.
* elf/dlopen.c (dlopen_doit): Pass caller address to _dl_open.
(__dlopen_check): Pass caller address to dlopen_doit in args.
* elf/dlopendoit.c: Likewise.
* iconv/gconv_dl.c: Adapt call of _dl_open.
* nss/nsswitch.c: Likewise.
* elf/origtest.c: New file.
* sysdeps/generic/dl-origin.h: Moved to...
* sysdeps/generic/dl-origin.c: ...here.
* sysdeps/unix/sysv/linux/dl-origin.h: Moved to...
* sysdeps/unix/sysv/linux/dl-origin.c: ...here.
1999-05-05 Thorsten Kukuk <kukuk@suse.de>
* nis/nis_file.c (readColdStartFile): Allocate memory only after
the file is opened successfully.
* nis/nis_table.c: Fix some memory leaks.
* elf/Makefile (trusted-dirs.st): Use gen-trusted-dirs.awk.
* elf/gen-trusted-dirs.awk: New file.
* elf/dl-load.c (systems_dirs): Moved into file scope. Initialize
from SYSTEM_DIRS macro.
(system_dirs_len): New variable. Contains lengths of system_dirs
strings.
(fillin_rpath): Rewrite for systems_dirs being a simple string.
Improve string comparisons. Change parameter trusted to be a flag.
Change all callers.
(_dt_init_paths): Improve using new format for system_dirs.
1999-05-02 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* sunrpc/Makefile: Generate dependencies for all flavors of
librpcsvc objects.
(rpcgen-cmd): Pass -Y flag here and remove it from the macro
invocations.
1999-05-02 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* elf/dlopenold.c: Move #if down after includes to get
dependencies right.
1999-05-01 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* sysdeps/generic/bzero.c: Undefine __bzero.
* sysdeps/posix/getaddrinfo.c (gaih_inet_serv): Change fourth
parameter to struct gaih_servtuple *. Adapt appropriately.
(gaih_inet): Use alloca to allocate room for gaih_inet_serv calls.
This fixes a memory leak.
Reported by Mikolaj J. Habryn <dichro-glibcbug@rcpt.to>.
1999-05-02 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/sys/procfs.h: Remove greg_t, gregset_t,
and fpregset_t definition. They are defined in ucontext.h.
1999-04-14 Scott Bambrough <scottb@netwinder.org>
* sysdeps/unix/sysv/linux/arm/net/ethernet.h: struct ether_addr
and struct ether_header must be packed on the ARM. The default
alignment constraints add padding to the end of the structures.
1999-04-14 Scott Bambrough <scottb@netwinder.org>
* inet/arpa/tftp.h: struct tftphdr must be packed on the ARM. The
default alignment constraints add padding to the end of the
structure and between members.
1999-05-02 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/generic/glob.c (glob_in_dir): It's no error if opendir
fails on a file.
Reported by Sergei Ivanov <svivanov@pdmi.ras.ru> [PR libc/1032].
1999-05-02 H.J. Lu <hjl@gnu.org>
* timezone/zic.c (dolink): Remove the symlink destination first.
* catgets/open_catalog.c (__open_catalog): Set catalog->status
to "nonexisting" if failed to open the file.
1999-05-01 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/i386/i486/bits/string.h: Don't use and define __memset_gg.
Prevent warnings from multiplication with 0x01010101 by another cast.
1999-04-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* string/bits/string2.h (memset): Revert to previous version if
unaligned writes are not available.
1999-04-30 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/i386/i486/bits/string.h (__memset_gc): Help generating
better code in presence of the asm.
1999-04-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* stdlib/fmtmsg.c (keywords): Increase array size for faster
indexing.
* locale/localeinfo.h (_nl_category_names): Increase array element
size for faster indexing.
* locale/setlocale.c (_nl_category_names): Adjusted.
1999-04-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* iconv/gconv_conf.c (add_alias): Remove wrong cast.
* string/tester.c (test_strchrnul): New function.
(test_memset): Test one more special case.
* sysdeps/i386/strchrnul.S: Fix bugs which lead to wrong results in
* hurd/hurdinit.c (_hurd_new_proc_init): Don't do initial SIGTRAP if
EXEC_SIGTRAP was set in the incoming exec flags--that indicates the
exec server simulated a SIGTRAP before we even started up, so gdb is
already happy.
1999-04-30 09:02 -0400 Zack Weinberg <zack@rabi.columbia.edu>
* string/bits/string2.h (memset): Avoid arithmetic overflow at
compile time, which produces obnoxious warnings. If GCCv2 is
in use, map __bzero to __builtin_memset to enable that
optimization.
1999-04-28 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* nss/digits_dots.c: Use inet_aton to parse IPv4 numbers.
This allows e.g. gethostbyname to accept "10.1234".
Reported by Alexander V. Lukyanov <lav@long.yar.ru> [PR libc/1096].
* nss/test-netdb.c (test_hosts): Add test for gethostbyname and
non quad IPv4 numbers.
loaded shared object with all loaded objects. Initialize l_ino
* sysdeps/mach/hurd/getdents.c (__getdirentries): Remove
implementation and just always fail with ENOSYS. This entry point is
obsolete. Add link warning to that effect.
* malloc/malloc.c (rEALLOc): Only free memory for size 0 if oldmem
is != NULL.
1999-04-28 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* malloc/malloc.c (REALLOC_ZERO_BYTES_FREES): Define it to follow
ISO C9x and Unix98.
1999-04-28 Ulrich Drepper <drepper@cygnus.com>
1999-04-27 Ulrich Drepper <drepper@cygnus.com>
* posix/fnmatch.c (internal_fnmatch): Correctly reset string
pointer in case of an invalid [[: expression.
1999-04-26 Ulrich Drepper <drepper@cygnus.com>
* posix/fnmatch.c (internal_fnmatch): Renamed from fnmatch. Take
extra parameter. Fix several more bugs involving wildcard and
ranges.
(fnmatch): New function. Call internal_fnmatch.
* posix/testfnm.c: More test cases.
1999-04-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* manual/install.texi (Configuring and compiling): Explain that
files are changed in the source directory.
Closes PR libc/981.
(Configuring and compiling): Explain situation with PARALLELMFLAGS
in the source directory.
1999-04-24 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* locale/programs/ld-ctype.c: Spelling fixes.
(ctype_finish): Fix argument of error message format.
* locale/programs/ld-messages.c: Spelling fixes.
* locale/programs/ld-monetary.c: Spelling fixes.
* locale/programs/ld-time.c (time_finish): Make sure that name and
format of era_entries are adjacent.
(time_output): Reduce the size of the io vector.
1999-04-25 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* manual/filesys.texi (Attribute Meanings): Move a misplaced
paragraph.
1999-04-23 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* locale/programs/ld-collate.c (collate_output): Convert
undefined_offset to an array index. Fix computation of other
endian extra table.
1999-04-26 Ulrich Drepper <drepper@cygnus.com>
* posix/fnmatch.c: Include string.h also for glibc.
(fnmatch, case '?'): Optimize if cascades a bit.
(fnmatch, case '*'): Correct handling if FNM_PATHNAME is set.
* posix/testfnm.c: Add test cases for * with FNM_PATHNAME errors.
1999-04-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* posix/wordexp.c (parse_param): Fix type of offset to allow it to
be used correctly as parameter for parse_dollars/parse_tilde.
1999-04-15 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* sysdeps/unix/sysv/linux/fstatvfs.c: Set f_frsize to zero. Don't
include "linux_fsinfo.h".
Based on a patch by H.J. Lu <hjl@gnu.org>.
1999-04-16 Ulrich Drepper <drepper@cygnus.com>
* nscd/cache.c (prune_cache): Only disable file checking for
future if the file does not exist.
Update file_mtime if cache was flushed.
1999-04-15 Scott Bambrough <scottb@netwinder.org>
1999-04-14 Scott Bambrough <scottb@netwinder.org>
1999-03-26 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
Jaeger <aj@arthur.rhein-neckar.de>
1999-03-25 Roland McGrath <roland@yaumatei.ai.mit.edu>
1999-03-22 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
install-info. Remove autoconf bug workaround and require autoconf
2.13.
require the dynamic linker which is not available with
--disable-shared. Skip the test if --disable-shared is given.
shared lib is available.
sendmsg/recvmsg on non intel platforms.
* iconv/gconv_db.c (__gconv_find_transform): If conversion is
known to not exist don't try to load shared objects.
Patch by Petr Vandrovec Ing. VTEI <VANDROVE@vc.cvut.cz>.
1999-04-15 Ulrich Drepper <drepper@cygnus.com>
* catgets/gencat.c (read_input_file): Don't drop white spaces
between number/identifier and string.
Patch by Dima Barsky <dima@pwd.hp.com>.
If no white space at all follows number/identifier remove existing
message with the number/ientifier.
1999-04-14 H.J. Lu <hjl@gnu.org>
* sunrpc/clnt_udp.c (is_network_up): New function.
(clntudp_call): Call is_network_up () to check if any network
interface is up in case of timeout.
1999-04-14 Jakub Jelinek <jj@ultra.linux.cz>
* scripts/config.sub: Allow sparcv[6789]-* and sparcv8plus{,a}-*
architectures.
* sysdeps/sparc/sparc32/sparcv8/Makefile: Use sysdep-CFLAGS
instead of CFLAGS.
* sysdeps/sparc/sparc32/sparcv8/Makefile: Use sysdep-CFLAGS
instead of CFLAGS. For gnulib and string directories use
-Wa,-Av9a gcc ASFLAGS.
* sysdeps/sparc/sparc32/sparcv9/memmove.c: New file.
* sysdeps/unix/sysv/linux/sparc/sparc32/dl-procinfo.h: New file.
* sysdeps/unix/sysv/linux/sparc/sparc64/dl-procinfo.h: New file.
* shlib-versions: Handle sparcv[6789]-* and sparcv8plus{,a}-*
the same way as sparc-*.
1999-04-14 Scott Bambrough <scottb@netwinder.org>
* sysdeps/unix/sysv/linux/arm/socket.S: Socket calls could not be
restarted after being interrupted by a signal. The parameters on
the stack were corrupted by the signal handler.
* sysdeps/unix/sysv/linux/arm/mmap.S: mmap calls could not be
restarted after being interrupted by a signal. The parameters on
the stack were corrupted by the signal handler.
1999-04-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* wctype/wcfuncs.c (towlower): Use __ctype_tolower.
Reported by Kalle Olavi Niemitalo <tosi@ees2.oulu.fi>
1999-04-12 Tim Waugh <tim@cyberelk.demon.co.uk>
* posix/wordexp-test.c: In field-splitting test cases where
subshells were involved, unset IFS first: some shells (ash) use
IFS even when no expansion is performed.
1999-04-13 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* libio/obprintf.c (_IO_obstack_overflow): Put the write end at
the real end of the chunk, not some random point inbetween.
(_IO_obstack_xsputn): Likewise. Actually copy the data into the
obstack when growing. Use fast version of obstack_blank when
shrinking.
(struct _IO_obstack_file): Use _IO_FILE_plus instead of explicitly
allocating the vtable pointer.
(_IO_obstack_vprintf): Adjust for above change and avoid
unnecessary casts. Use fast version of obstack_blank when
shrinking.
Fixes PR libc/1075.
1999-04-11 Tim Waugh <tim@cyberelk.demon.co.uk>
* posix/wordexp.c (wordexp): Fix a leak when an invalid character
is seen, as well as fixing semantics. Don't reset the word count
to zero when an invalid character is seen, but leave it as it was
(this makes a difference with WRDE_APPEND).
* posix/wordexp-test.c: More test cases.
* posix/wordexp.c (parse_param): In words like ${var#pattern},
always expand pattern when it is needed. Also, handle quoting in
pattern properly.
1999-04-12 Philip Blundell <philb@gnu.org>
* elf/elf.h: Update ARM definitions to match current gas2.
* sysdeps/arm/bits/endian.h: Support big endian operation.
* sysdeps/unix/sysv/linux/arm/ioperm.c (_outw, _outb, _outl):
Don't bother range checking the port number.
* sysdeps/unix/sysv/linux/arm/vfork.S: New file.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INLINE_SYSCALL): Include
the syscall name in assembler output for ease of debugging.
* sysdeps/unix/sysv/linux/arm/sigaction.c: Don't rely on undefined
compiler behaviour.
* sysdeps/unix/sysv/linux/arm/sigrestorer.S: New file.
* sysdeps/unix/sysv/linux/arm/Makefile [$(subdir) = signal]
(sysdep_routines): Add sigrestorer.
* string/tester.c (test_strcpy): Add new tests for unaligned
arguments.
* sysdeps/arm/bits/string.h: Delete inline implementations of
strcpy and stpcpy.
1999-04-10 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* manual/install.texi (Configuring and compiling): Comment out
description of --disable-static since this doesn't work currently
(see change by Ulrich Drepper on 1998-12-07 for configure.in).
1999-04-10 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Rewrite to
use binary search.
Based on a patch by Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>.
1999-04-07 H.J. Lu <hjl@gnu.org>
* manual/install.texi (Reporting Bugs): Add section about reported
* sunrpc/Versions: Add new xdr functions to GLIBC_2.1.1
* sunrpc/xdr.c: Add xdr_hyper, xdr_u_hyper, xdr_longlong_t and
xdr_u_longlong_t. Based on patch from Dan Shechter
<damageboy@isdn.net.il>.
* sunrpc/xdr_intXX_t.c: Implement xdr_int64_t, xdr_uint64_t
* sunrpc/rpc/xdr.h: Add prototypes for new xdr functions.
* nis/nis_lookup.c (nis_lookup): Don't overwrite RPC error code.