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1999-07-15Update.Ulrich Drepper
1999-07-15 Ulrich Drepper <drepper@cygnus.com> * sysdeps/i386/fpu/e_pow.S: Use addl instead of pop/pop to keep program deterministic. * sysdeps/i386/fpu/e_powf.S: Likewise. * sysdeps/i386/fpu/e_powl.S: Likewise.
1999-07-15Update.Ulrich Drepper
1999-07-15 Jakub Jelinek <jj@ultra.linux.cz> * math/Makefile: Add t_sincosl and k_sincosl support routines. * math/math_private.h (__kernel_sincosl): New declaration. * sysdeps/generic/t_sincosl.c: New file. * sysdeps/generic/k_sincosl.c: New file. * sysdeps/ieee754/ldbl-128/k_cosl.c: New file. * sysdeps/ieee754/ldbl-128/k_sinl.c: New file. * sysdeps/ieee754/ldbl-128/k_sincosl.c: New file. * sysdeps/ieee754/ldbl-128/t_sincosl.c: New file. * sysdeps/ieee754/ldbl-128/e_rem_pio2l.c: New file. * sysdeps/ieee754/ldbl-128/s_sincosl.c (__sincosl): Use __kernel_sincosl. * sysdeps/ieee754/ldbl-128/math_ldbl.h (GET_LDOUBLE_LSW64): New definition.
1999-07-15Update.Ulrich Drepper
1999-07-15 Ulrich Drepper <drepper@cygnus.com> * posix/unistd.h: Use __PMT for exit.
1999-07-15Update.Ulrich Drepper
1999-07-15 Philip Blundell <pb@nexus.co.uk> * sysdeps/unix/sysv/linux/arm/Versions (_inb, _inw, _inl, _outb, _outw, _outl): Added to GLIBC_2.1.2.
1999-07-15Update.Ulrich Drepper
1999-07-15 Ulrich Drepper <drepper@cygnus.com> * posix/fnmatch.h: Use __name instead of __string in prototype to allow use outside glibc.
1999-07-14Update.Ulrich Drepper
* time/tst-strptime.c (main): Add one more test case. Produce output even when result is ok.
1999-07-14Update.Ulrich Drepper
1999-07-14 Ulrich Drepper <drepper@cygnus.com> * time/strptime.c (get_number): Handle number parsing more consistent with strftime. Only parse a given number of digits. (get_alt_number): Fix implementation. Was broken. (strptime_internal): Add third parameter to get_number and get_alt_number calls.
1999-07-14Update.Ulrich Drepper
1999-07-13 Jakub Jelinek <jj@ultra.linux.cz> * elf/ldd.bash.in: Add support for multiple dynamic linkers. * sysdeps/unix/sysv/linux/sparc/ldd-rewrite.sed: On sparc*linux*, try both 32bit and 64bit dynamic linker. * sysdeps/unix/sysv/linux/configure.in: Apply sparc ldd-rewrite script on all sparc targets. 1999-07-13 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/unix/sysv/linux/shmat.c (shmat): Avoid casting a pointer to int.
1999-07-14Update.Ulrich Drepper
1999-07-13 Andreas Schwab <schwab@suse.de> * elf/dl-runtime.c (fixup, profile_fixup): Call alloca to prevent inlining. Fixes PR libc/1198.
1999-07-14More corrections.Ulrich Drepper
* sysdeps/i960/Implies: Imply ieee754/flt-32 and ieee754/dbl-64 instead of ieee754. * sysdeps/generic/s_nextafter.c: ...here. * sysdeps/generic/s_nexttowardl.c: ...here.
1999-07-14Update.Ulrich Drepper
1999-07-14 Andreas Schwab <schwab@suse.de> * Makerules (common-generated): Don't prepend $(common-objpfx).
1999-07-14Name correct locations for the moved/new files.Ulrich Drepper
* sysdeps/generic/e_exp10.c: ...here. * sysdeps/generic/e_exp10f.c: ...here. * sysdeps/generic/e_exp10l.c: ...here. * sysdeps/generic/e_scalb.c: ...here. * sysdeps/generic/e_scalbf.c: ...here. * sysdeps/generic/e_scalbl.c: ...here. * sysdeps/generic/s_cacos.c: ...here. * sysdeps/generic/s_cacosf.c: ...here. * sysdeps/generic/s_cacosh.c: ...here. * sysdeps/generic/s_cacoshf.c: ...here. * sysdeps/generic/s_cacoshl.c: ...here. * sysdeps/generic/s_cacosl.c: ...here. * sysdeps/generic/s_casin.c: ...here. * sysdeps/generic/s_casinf.c: ...here. * sysdeps/generic/s_casinh.c: ...here. * sysdeps/generic/s_casinhf.c: ...here. * sysdeps/generic/s_casinhl.c: ...here. * sysdeps/generic/s_casinl.c: ...here. * sysdeps/generic/s_catan.c: ...here. * sysdeps/generic/s_catanf.c: ...here. * sysdeps/generic/s_catanh.c: ...here. * sysdeps/generic/s_catanhf.c: ...here. * sysdeps/generic/s_catanhl.c: ...here. * sysdeps/generic/s_catanl.c: ...here. * sysdeps/generic/s_ccos.c: ...here. * sysdeps/generic/s_ccosf.c: ...here. * sysdeps/generic/s_ccosh.c: ...here. * sysdeps/generic/s_ccoshf.c: ...here. * sysdeps/generic/s_ccoshl.c: ...here. * sysdeps/generic/s_ccosl.c: ...here. * sysdeps/generic/s_cexp.c: ...here. * sysdeps/generic/s_cexpf.c: ...here. * sysdeps/generic/s_cexpl.c: ...here. * sysdeps/generic/s_clog.c: ...here. * sysdeps/generic/s_clog10.c: ...here. * sysdeps/generic/s_clog10f.c: ...here. * sysdeps/generic/s_clog10l.c: ...here. * sysdeps/generic/s_clogf.c: ...here. * sysdeps/generic/s_clogl.c: ...here. * sysdeps/generic/s_cpow.c: ...here. * sysdeps/generic/s_cpowf.c: ...here. * sysdeps/generic/s_cpowl.c: ...here. * sysdeps/generic/s_cproj.c: ...here. * sysdeps/generic/s_cprojf.c: ...here. * sysdeps/generic/s_cprojl.c: ...here. * sysdeps/generic/s_csin.c: ...here. * sysdeps/generic/s_csinf.c: ...here. * sysdeps/generic/s_csinh.c: ...here. * sysdeps/generic/s_csinhf.c: ...here. * sysdeps/generic/s_csinhl.c: ...here. * sysdeps/generic/s_csinl.c: ...here. * sysdeps/generic/s_csqrt.c: ...here. * sysdeps/generic/s_csqrtf.c: ...here. * sysdeps/generic/s_csqrtl.c: ...here. * sysdeps/generic/s_ctan.c: ...here. * sysdeps/generic/s_ctanf.c: ...here. * sysdeps/generic/s_ctanh.c: ...here. * sysdeps/generic/s_ctanhf.c: ...here. * sysdeps/generic/s_ctanhl.c: ...here. * sysdeps/generic/s_ctanl.c: ...here. * sysdeps/generic/s_fdim.c: ...here. * sysdeps/generic/s_fdimf.c: ...here. * sysdeps/generic/s_fdiml.c: ...here. * sysdeps/generic/s_fma.c: ...here. * sysdeps/generic/s_fmaf.c: ...here. * sysdeps/generic/s_fmal.c: ...here. * sysdeps/generic/s_fmax.c: ...here. * sysdeps/generic/s_fmaxf.c: ...here. * sysdeps/generic/s_fmaxl.c: ...here. * sysdeps/generic/s_fmin.c: ...here. * sysdeps/generic/s_fminf.c: ...here. * sysdeps/generic/s_fminl.c: ...here. * sysdeps/generic/s_ldexp.c: ...here. * sysdeps/generic/s_ldexpf.c: ...here. * sysdeps/generic/s_ldexpl.c: ...here. * sysdeps/generic/s_nan.c: ...here. * sysdeps/generic/s_nanf.c: ...here. * sysdeps/generic/s_nanl.c: ...here. * sysdeps/generic/s_significand.c: ...here. * sysdeps/generic/s_significandf.c: ...here. * sysdeps/generic/s_significandl.c: ...here. * sysdeps/generic/math_ldbl.h: New file. * sysdeps/generic/s_nexttowardf.c: New file. * sysdeps/generic/strtold.c: New file. * sysdeps/generic/ldbl2mpn.c: New file.
1999-07-14Update.Ulrich Drepper
1999-07-12Update.Ulrich Drepper
1999-07-12 Ulrich Drepper <drepper@cygnus.com> * sysdeps/posix/getaddrinfo.c (gaih_inet): For non-passive connections without a hostname set address to localhost address.
1999-07-12Fix typo.Ulrich Drepper
* nscd/hstcache.c: Likewise. * nscd/pwdcache.c: Likewise.
1999-07-12Update.Ulrich Drepper
1999-07-11 H.J. Lu <hjl@gnu.org> * nscd/grpcache.c: Add prefix "__" to get[a-z]*_r () to get nscd's own strong version of the get[a-z]*_r function. * nscd/hstcache.c: Likwise. * nscd/pwdcache.c: Likwise.
1999-07-12Update.Ulrich Drepper
1999-07-12 Ulrich Drepper <drepper@cygnus.com> * configure.in: Recognize 2.95 as gcc version number. Patch by Joel Klecker <jk@espy.org>.
1999-07-12Update.Ulrich Drepper
1999-07-12 Andreas Schwab <schwab@suse.de> * elf/rtld.c (dl_main): When putting back the interpreter object handle the case where a missing object might occur in the list of objects but not in the search list when in trace mode.
1999-07-11Update.Ulrich Drepper
1999-07-11 Ulrich Drepper <drepper@cygnus.com> * Versions.def (libnss_hesiod): Add GLIBC_2.2. * hesiod/Versions (libnss_hesiod) [GLIBC_2.2]: Add _nss_hesiod_initgroups.
1999-07-11(libnss_hesiod): Add GLIBC_2.2.Ulrich Drepper
1999-07-11* sysdeps/mach/hurd/brk.c (static_data_start): New variable.Roland McGrath
(_hurd_set_brk, init_brk): Use that instead of &__data_start. Initialize it from &__data_start if defined, or else &_end. 1999-07-11 Roland McGrath <roland@baalperazim.frob.com>
1999-07-111999-07-11 Roland McGrath <roland@baalperazim.frob.com>Roland McGrath
* sysdeps/mach/hurd/mmap.c (__mmap): Short-circuit to vm_allocate for MAP_ANON, prot==PROT_READ|PROT_WRITE.
1999-07-111999-07-11 Roland McGrath <roland@baalperazim.frob.com> Roland McGrath
* sysdeps/mach/hurd/mmap.c (__mmap): Short-circuit to vm_allocate for MAP_ANON, prot==PROT_READ|PROT_WRITE.
1999-07-09Update.Ulrich Drepper
1999-07-09 Ulrich Drepper <drepper@cygnus.com> * stdio-common/vfprintf.c (buffered_vfprintf): Add locking.
1999-07-09Update.Ulrich Drepper
1999-07-09Update.Ulrich Drepper
1999-07-09 H.J. Lu <hjl@gnu.org> * Versions.def (GLIBC_2.1.2): Added. * nss/getXXent_r.c: Make the new ABI GLIBC_2.1.2 and keep the old one as GLIBC_2.0. * nss/getXXbyYY_r.c: Likewise. * grp/Versions (getgrent_r, getgrgid_r, getgrnam_r): Added to GLIBC_2.1.2. * inet/Versions (getaliasbyname_r, getaliasent_r, gethostbyaddr_r, gethostbyname2_r, gethostbyname_r, gethostent_r, getnetbyaddr_r, getnetbyname_r, getnetent_r, getnetgrent_r, getprotobyname_r, getprotobynumber_r, getprotoent_r, getrpcbyname_r, getrpcbynumber_r, getrpcent_r, getservbyname_r): Likewise. * pwd/Versions (getpwent_r, getpwuid_r): Likewise. * shadow/Versions (getspent_r, getspnam_r): Likewise.
1999-07-09Update.Ulrich Drepper
1999-07-09 Cristian Gafton <gafton@redhat.com> * nscd/nscd_gethst_r.c (nscd_gethst_r): Make sure resultbuf->h_addr_list addresses are correctly aligned. * sysdeps/i386/bits/string.h (__memcpy_c): Help some stupid old compilers. (__memset_cc): Likewise.
1999-07-09Update.Ulrich Drepper
* sysdeps/generic/libc-start.c: For SUID binaries check whether the standard file descriptors are open. Reported by Chris Evans <chris@ferret.lmh.ox.ac.uk>.
1999-07-09Update.Ulrich Drepper
* sysdeps/unix/sysv/linux/syscalls.list: Remove mmap64 alias for mmap. * sysdeps/unix/sysv/linux/mmap64.c: Test whether mapped area is in range of mmap. If not fail. Patches by Daniel Jacobowitz <dan@debian.org>.
1999-07-09Update.Ulrich Drepper
* elf/rtld.c: Split _dl_start in two pieces to prevent GOT usage before the relocation happened. Patch by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>.
1999-07-09Update.Ulrich Drepper
1999-07-09 Ulrich Drepper <drepper@cygnus.com> * Versions.def (libnsl): Add GLIBC_2.2. * nis/Versions (libnsl) [GLIBC_2.2]: Add xdr_ypall. 1999-07-08 Cristian Gafton <gafton@redhat.com> * nis/yp_xdr.c (xdr_ypall): New function.
1999-07-09Update.Ulrich Drepper
1999-07-09 Andreas Schwab <schwab@suse.de> * elf/Makefile (headers): Remove bits/dlfcn.h and dlfcn.h. * dlfcn/Makefile (headers): Add bits/dlfcn.h.
1999-07-09Update.Ulrich Drepper
1999-07-09 Ulrich Drepper <drepper@cygnus.com> * hesiod/Versions [GLIBC_2.2]: Add _nss_hesiod_initgroups. * hesiod/hesiod-grp.c: Add initgroups support. Patch by Nalin Dahyabhai <nsdahya1@pobox.com>.
1999-07-08Update.Ulrich Drepper
1999-07-08 Andreas Schwab <schwab@suse.de> * libio/iofopncook.c (fopencookie): Set _fileno to -2. * libio/libioP.h (_IO_file_is_open): Only check for -1, not all negative numbers. * libio/fileops.c (_IO_new_file_close_it): Set _fileno to -1, not EOF. * libio/oldfileops.c (_IO_old_file_close_it): Likewise. 1999-07-08 Andreas Schwab <schwab@suse.de> * stdio-common/vfprintf.c (buffered_vfprintf): Initialize _mode. 1999-07-08 Andreas Schwab <schwab@suse.de> * libio/fileno.c: Return -1 instead of EOF and set errno if the stream is not a real file stream. 1999-07-08 Andreas Schwab <schwab@suse.de> * manual/charset.texi: Fix typos.
1999-07-07Update.Ulrich Drepper
* sysdeps/gnu/Makefile (libdl-routines): Add eval. 1999-07-06 Zack Weinberg <zack@rabi.columbia.edu> * dlfcn: New directory. Move the following files from elf: dladdr.c, dlclose.c, dlerror.c, dlfcn.h, dlopen.c, dlopenold.c, dlsym.c, dlvsym.c. * dlfcn/Makefile: New file. * dlfcn/Versions: New file. * dlfcn/dlsym.c: All ELF-specific code split out to new function _dl_sym. * dlfcn/dlvsym.c: All ELF-specific code split out to new function _dl_vsym. * elf/dl-sym.c: New file. _dl_sym and _dl_vsym are implemented here. * dlfcn/dladdr.c: Remove all references to ELF data structures or headers. * dlfcn/dlclose.c: Likewise. * dlfcn/dlerror.c: Likewise. * dlfcn/dlopen.c: Likewise. * dlfcn/dlopenold.c: Likewise. * Makeconfig (dlfcn): New variable - set to `dlfcn' if elf is yes, empty otherwise. (libdl): Set to dlfcn/libdl.so or libdl.a if elf is yes, depending on build-shared. (subdirs): Add $(dlfcn). (rpath-dirs): Add dlfcn. * elf/Makefile: Remove all references to libdl or its components, except the ones relating to the test cases. (routines): Add dl-sym. * elf/Versions (libc): Add _dl_sym and _dl_vsym for GLIBC_2.2. (libdl): Delete. * elf/dl-close.c (_dl_close): Change argument to void *. * elf/dl-open.c (_dl_open): Change return type to void *. * elf/eval.c: Removed. * elf/ldsodefs.h: Move prototypes of _dl_catch_error, _dlerror_run, _dl_open, _dl_close, _dl_addr, and _dl_mcount_wrapper_check to include/dlfcn.h. Delete _CALL_DL_FCT macro. * include/dlfcn.h: Also prototype _dl_sym and _dl_vsym here. Include real header from dlfcn directory. * include/ldsodefs.h: Removed. * grp/initgroups.c: Use DL_CALL_FCT not _CALL_DL_FCT. * nss/getXXbyYY_r.c: Likewise. * nss/getXXent_r.c: Likewise. * iconv/gconv.c: Likewise. Don't include ldsodefs.h. * iconv/gconv_db.c: Likewise. Don't include ldsodefs.h. * iconv/skeleton.c: Don't include ldsodefs.h. * nss/nsswitch.h: Don't include ldsodefs.h. Include dlfcn.h. 1999-07-07 Ulrich Drepper <drepper@cygnus.com>
1999-07-07Update.Ulrich Drepper
* sysdeps/generic/setenv.c: Describe problem. * malloc/malloc.c (request2size): Also set errno if failing.
1999-07-07Update.Ulrich Drepper
* malloc/malloc.c (request2size): Also set errno of failing.
1999-07-07Update.Ulrich Drepper
* malloc/malloc.c (request2size): Take care of overflow in addition.
1999-07-07Update.Ulrich Drepper
* sysdeps/posix/getcwd.c: Correct last patch. Handle getcwd (NULL, != 0) correctly.
1999-07-07Update.Ulrich Drepper
* elf/dl-load.c: Use a few more __builtin_expect.
1999-07-07Update.Ulrich Drepper
1999-07-07 Ulrich Drepper <drepper@cygnus.com> * sysdeps/posix/getcwd.c: When resizing buffer make sure new size is large enough.
1999-07-07UpdateUlrich Drepper
1999-07-07 Andreas Schwab <schwab@suse.de> * sysdeps/unix/sysv/linux/getpt.c: Check that /dev/pts is mounted. (_PATH_DEVPTS, DEVPTS_SUPER_MAGIC): New definitions. (_PATH_DEVPTMX): Use _PATH_DEV. 1999-07-07 Andreas Jaeger <aj@arthur.rhein-neckar.de> * malloc/tst-malloc.c: New file. Tests some basic functionality. * malloc/Makefile (tests): Add tst-malloc. * sysdeps/unix/sysv/linux/sparc/ldd-rewrite.sed: New file.
1999-07-06Update.Ulrich Drepper
* libio/oldtmpfile.c: Adjust call of __gen_tempname to match new convention.
1999-07-06Update.Ulrich Drepper
1999-07-06 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/alpha/ioperm.c: Update for some more motherboards. Patch by Jay Estabrook. * sysdeps/unix/sysv/linux/configure.in: Don't test for libc4 in ldd for SPARC. * /sysdeps/unix/sysv/linux/sparc/ldd-rewrite.sed: New file. Patch by Cristian Gafton. 1999-07-02 Cristian Gafton <gafton@redhat.com> * sysdeps/unix/sysv/linux/bits/socket.h (__cmsg_nxthdr): "return 0" instead of "return NULL" to make C++ happy. 1999-07-04 Mark Kettenis <kettenis@gnu.org> * libio/iofdopen.c (_IO_new_fdopen): Set EINVAL if MODE is not allowed by the file access mode of the open file. 1999-07-06 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/setfpucw.c: Include math.h to get all needed macros defined. 1999-07-03 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/sparc/sparc64/submul_1.S: Fix carry handling. Optimize. * sysdeps/sparc/sparc64/lshift.S: Make a leaf subroutine. Optimize. * sysdeps/sparc/sparc64/rshift.S: Likewise. * sysdeps/sparc/sparc64/mul_1.S: Optimize. 1999-07-04 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de> * malloc/malloc.c (request2size): Check for overflow and return NULL whenever it is encountered. 1999-07-04 Zack Weinberg <zack@rabi.columbia.edu> * sysdeps/posix/tempname.c (__gen_tempname): Add ability to create directories. Replace OPENIT and LARGEFILE args with a single flags parameter. * sysdeps/generic/tempname.c: Likewise. * include/stdio.h: Adjust prototype of __gen_tempname to match. Define symbolic constants for second argument. * misc/mkdtemp.c: New file, provides new function mkdtemp(). * stdlib/stdlib.h: Prototype it. * misc/Versions: Export it. * misc/Makefile (routines): Add mktemp. * manual/filesys.texi: Document it. * misc/mktemp.c: Adjust call of __gen_tempname to match new convention. * misc/mkstemp.c: Likewise. * stdio-common/tempnam.c: Likewise. * stdio-common/tmpfile.c: Likewise. * stdio-common/tmpfile64.c: Likewise. * stdio-common/tmpnam.c: Likewise. * stdio-common/tmpnam_r.c: Likewise. 1999-07-05 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Support R_SPARC_OLO10 relocations. * elf/elf.h (R_SPARC_OLO10): Fix comment.
1999-07-02Update.Ulrich Drepper
1999-07-02 Tim Waugh <tim@cyberelk.demon.co.uk> * posix/wordexp-test.c: Revert bogus 'unset IFS' change. It doesn't belong in the tests, but in the wordexp implementation. * posix/wordexp.c (exec_comm): Unset IFS so that subshells don't split fields.
1999-07-01UpdateUlrich Drepper
1999-07-01 Cristian Gafton <gafton@redhat.com> * time/strptime.c (strptime): Initialize the tm struct first to avoid returning bogus results on incomplete data. (strptime_internal): day_of_the_week() requres bith tm_mon and tm_mday to be initializaed. Computer them first if they are not given. (strptime_internal): (have_mon, have_mday): New variables.
1999-07-01Update.Ulrich Drepper
1999-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> * inet/rcmd.c (__icheckhost): Fix typo in last patch. 1999-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> * wcsmbs/wcschr.c (wcschr): Fix last patch: Add missing semicolon. * wcsmbs/wcsrchr.c (wcsrchr): Likewise. 1999-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> * posix/wordexp.c (parse_tilde): Handle failing call to get.*_r functions correctly for non-existing entry. * sysdeps/posix/cuserid.c (cuserid): Likewise. * sysdeps/posix/getaddrinfo.c (gaih_inet_serv): Likewise.
1999-06-30Update.Ulrich Drepper
1999-06-30 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/gethostid.c: Handle failing call to getxxbyYY_r functions correctly for non-existing entry. * sunrpc/getrpcport.c: Likewise. * sunrpc/clnt_simp.c: Likewise. * inet/rexec.c: Likewise. * sunrpc/clnt_gen.c: Likewise. * inet/rcmd.c: Likewise. * sysdeps/generic/glob.c: Likewise.
1999-06-30Update.Ulrich Drepper
1999-06-29 Andreas Jaeger <aj@arthur.rhein-neckar.de> * pwd/Makefile (tests): Add rules for tst-getpw. * pwd/tst-getpw.c: New program to test getpw.
1999-06-30Update.Ulrich Drepper
1999-06-28 Andreas Jaeger <aj@arthur.rhein-neckar.de> * inet/rcmd.c (__icheckhost): Test for gethostbyname_r result correctly. 1999-06-25 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/arith.texi (System V Number Conversion): Fix the description which confused pointer and value to pointer. Reported by Andries.Brouwer@cwi.nl. 1999-06-28 Andreas Jaeger <aj@arthur.rhein-neckar.de> * pwd/getpw.c (__getpw): Check for NULL result pointer. 1999-06-29 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/users.texi (Lookup User): Document POSIX return semantics for getpwuid_r and getgrgid_r. * manual/socket.texi (Host Names): Document that the result pointer is null in case of error or host not found and fix a typo. Give a small example.