2021-01-02 19:32:25 +00:00
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/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
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1996-12-22 00:32:43 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 04:58:11 +00:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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1996-12-22 00:32:43 +00:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 04:58:11 +00:00
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Lesser General Public License for more details.
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1996-12-22 00:32:43 +00:00
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2001-07-06 04:58:11 +00:00
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You should have received a copy of the GNU Lesser General Public
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2012-02-09 23:18:22 +00:00
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License along with the GNU C Library; if not, see
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Prefer https to http for gnu.org and fsf.org URLs
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 05:40:42 +00:00
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<https://www.gnu.org/licenses/>. */
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1995-02-18 01:27:10 +00:00
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#include <dirent.h>
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#include <fcntl.h>
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2018-03-01 18:55:25 +00:00
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#include <errno.h>
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#include <stdio.h> /* For BUFSIZ. */
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#include <sys/param.h> /* For MIN and MAX. */
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2003-07-15 07:52:52 +00:00
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#include <not-cancel.h>
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2017-04-18 12:56:51 +00:00
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enum {
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2018-03-01 18:55:25 +00:00
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opendir_oflags = O_RDONLY|O_NDELAY|O_DIRECTORY|O_LARGEFILE|O_CLOEXEC
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2017-04-18 12:56:51 +00:00
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};
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1998-10-16 16:33:36 +00:00
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2015-05-18 22:44:53 +00:00
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static bool
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invalid_name (const char *name)
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1995-02-18 01:27:10 +00:00
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{
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2015-05-18 22:44:53 +00:00
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if (__glibc_unlikely (name[0] == '\0'))
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1995-02-18 01:27:10 +00:00
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{
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/* POSIX.1-1990 says an empty name gets ENOENT;
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but `open' might like it fine. */
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update from main archive
Mon Sep 23 15:31:04 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* hurd/Makefile ($(includedir)/rpc/netdb.h): There is no make
variable `top_srcdir' in libc; use $(..) instead.
* sysdeps/mach/hurd/Makefile (rtld-installed-name): Delete special
definition. It was a *Mistake*. (With a capital M.)
* sysdeps/mach/getsysstats.c (__get_nprocs): Renamed from
__get_nproc.
(__get_nprocs_conf): Renamed from __get_nproc_conf.
Fri Sep 27 03:49:56 1996 Ulrich Drepper <drepper@cygnus.com>
Add support for cancelable system calls.
* csu/initfini.c: Make in crti.o reference to symbol
__libc_force_cancel_wrapper when compiling reentrant version.
* misc/Makefile (routines): Add force-wrapper.
* misc/force-wrapper.c: New file.
* posix/system.c: Rename function to __libc_system and make system
a weak alias.
* sysdeps/stub/system.c: Likewise.
* posix/wait.c: Rename function to __libc_wait and make __wait a
weak alias. De-ANSI-fy.
* sysdeps/standalone/read.c: Rename function to __libc_read and
make __read a weak alias.
* sysdeps/stub/read.c: Likewise.
* sysdeps/standalone/write.c: Rename function to __libc_write and
make __write a weak alias.
* sysdeps/stub/write.c: Likewise.
* sysdeps/stub/tcdrain.c: Rename function to __libc_tcdrain and
make tcdrain a weak alias.
* sysdeps/unix/bsd/tcdrain.c: Likewise.
* sysdeps/unix/bsd/bsd4.4/tcdrain.c: Likewise.
* sysdeps/unix/sysv/tcdrain.c: Likewise.
* sysdeps/unix/sysv/linux/tcdrain.c: Likewise.
* sysdeps/unix/bsd/bsd4.4/wait.c: Rename function to __libc_wait
and make __wait a weak alias.
* sysdeps/stub/waitpid.c: Rename function to __libc_waitpid and
make __waitpid a weak alias.
* sysdeps/unix/bsd/bsd4.4/waitpid.c: Likewise.
* sysdeps/unix/sysv/linux/waitpid.c: Likewise.
* sysdeps/unix/sysv/sysv4/waitpid.c: Likewise.
* sysdeps/unix/common/pause.c: Rename function to __libc_pause
and make pause a weak alias. De-ANSI-fy.
* sysdeps/unix/syscalls.list: Change name for close, fcntl, fsync,
lseek, open, read, and write to have __libc_ prefix and make old
names a weak alias.
* sysdeps/unix/mman/syscalls.list: Likewise for msync.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise for nanosleep.
* io/creat.c: De-ANSI-fy.
* sysdeps/unix/sysv/linux/syscalls.list: Add pause.
Thu Sep 26 19:15:55 1996 Ulrich Drepper <drepper@cygnus.com>
* misc/mntent.h: Add MNTTYPE_* and MNTOPT_* macros.
Reported by Hans Grobler <grobh@nolian.ee.sun.ac.za>.
Thu Sep 26 14:40:10 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/posix/pathconf.c: Pass descriptor for just opened file
to fpathconf.
Reported by Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>.
Thu Sep 26 04:02:43 1996 Ulrich Drepper <drepper@cygnus.com>
* locale/programs/locfile.c (write_locale_data): Allocate room
even for file name for LC_MESSAGES locale.
(locafile_read): `tok_era' must be handled as a string list.
* locale/programs/ld-time.c: Finish correction of handling `era'.
* locale/C-time.c (_nl_C_LC_TIME): Add initializer for new fields.
* locale/categories.def: Add postload function for LC_TIME.
* locale/setlocale.c: Make lock global and rename to
__libc_setlocale_lock.
* locale/localeinfo.h (struct era_entry): New type. Used in strftime.
Add prototypes for _nl_get_era_entry and _nl_get_alt_digit.
* locale/lc-time.c (_nl_postload_time): New function. Initialize
lazy intialization.
(_nl_get_era_entry): New function. Return era entry which corresponds
to given year.
(_nl_get_alt_digit): New function. Return string with alternate
digit representation for given number.
* time/strftime.c (strftime): Use _nl_get_alt_digit to get
string representing alternate digit notation.
Wed Sep 25 17:31:55 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/generic/waitstatus.h (union wait): Add w_status field.
Reported by Hans Grobler <grobh@nolian.ee.sun.ac.za>.
* elf/rtld.c (dl_main): Process LD_PRELOAD before loading
ld.so.preload. Suggested by David Engel <david@elo.ods.com>.
Wed Sep 25 13:10:57 1996 Ulrich Drepper <drepper@cygnus.com>
* catgets/gencat.c (main): Change --version again because RMS wants
the package name in parentheses.
* db/makedb.c: Likewise.
* locale/programs/locale.c: Likewise.
* locale/programs/localedef.c: Likewise.
Tue Sep 24 01:28:05 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makefile ($(objpfx)sysd-dirs): Depend on Subdirs files, command
rewritten.
($(objpfx)version-info.h): Depend on Banner files, command
rewritten.
Wed Sep 25 02:44:41 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/sleep.c: New file. Based on nanosleep.
Tue Sep 24 21:46:02 1996 Ulrich Drepper <drepper@cygnus.com>
* shadow/lckpwdf.c (PWD_LOCKFILE): Change to /etc/lock.pwd to be
on the same device as the password file.
* shadow/shadow.h (struct spwd): Change type of numeric fields
to `long int' since there value are days, not seconds.
* shadow/putspent.c: Change casts from time_t to `long int'.
* shadow/sgetspent_r.c (LINE_READER): Likewise.
Mon Sep 23 23:05:24 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/errnos.h: Define __set_errno to make
sure the thread specific variable is set as well as the global
variable.
* sysdeps/mach/hurd/errnos.awk: Define macro for source code
compatibility.
* sysdeps/stub/errnos.h: Likewise.
* sysdeps/unix/bsd/bsd4.4/errnos.h: Likewise.
* shadow/putspent.c: Don't include <errno.h>.
* dirent/scandir.c (scandir): Use __set_errno to set errno
variable.
* elf/dl-load.c (open_path): Likewise.
* inet/rcmd.c (rcmd): Likewise.
(rresvport): Likewise.
* intl/dcgettext.c [!__set_errno]: Define __set_errno.
(DCGETTEXT): Use __set_errno to set errno variable.
* io/fts.c (fts_open): Likewise.
(fts_close): Likewise.
(fts_read): Likewise.
(fts_set): Likewise.
(fts_children): Likewise.
(fts_build): Likewise.
(fts_stat): Likewise.
* io/ftw.c (ftw_dir): Likewise.
(ftw): Likewise.
* io/getwd.c (getwd): Likewise.
* io/lockf.c (lockf): Likewise.
* libio/libioP.h [EINVAL]: Use __set_errno to define MAYBE_SET_EINVAL.
* libio/iofdopen.c (_IO_fdopen): Use MAYBE_SET_EINVAL to errno.
* libio/iogetdelim.c (_IO_getdelim): Likewise.
* libio/fileops.c (_IO_file_open): Use __set_errno to set errno
variable.
* libio/iofgetpos.c (_IO_fgetpos): Likewise.
* libio/iofsetpos.c (_IO_fsetpos): Likewise.
* libio/ioftell.c (_IO_ftell): Likewise.
* locale/loadlocale.c (_nl_load_locale): Likewise.
* locale/nl_langinfo.c (nl_langinfo): Likewise.
* locale/setlocale.c (ERROR_RETURN): Likewise.
* login/getutid_r (__getutid_r): Likewise.
* login/getutline_r (__getutline_r): Likewise.
* login/login.c (tty_name): Likewise.
* login/oututline_r.c (__pututline_r): Likewise.
* malloc/malloc.c (morecore): Likewise.
* misc/efgcvt_r.c (fcvt_r): Likewise.
* misc/hsearch_r.c (hcreate_r): Likewise.
(hdestroy_r): Likewise.
(hsearch_r): Likewise.
* nss/nsswitch.c (__nss_configure_lookup): Likewise.
* nss/nss_dns/dns-host.c (_nss_dns_gethostbyname2_r): Likewise.
(_nss_dns_gethostbyaddr_r): Likewise.
* nss/nss_files/files-XXX.c (internal_getent): Likewise.
* nss/nss_files/files-parse.c (parse_list): Likewise.
* posix/confstr.c (confstr): Likewise. De-ANSI-fy.
* posix/execvp.c (execvp): Likewise.
* posix/glob.c: Define __set_errno.
(glob): Use __set_errno to set errno variable.
(glob_in_dir): Likewise.
* pwd/getpw.c: Likewise. De-ANSI-fy.
* pwd/putpwent.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/inet_pton.c: Likewise.
* resolv/res_query.c (res_search): Likewise.
* resolv/res_send.c (Aerror): Likewise.
(Perror): Likewise.
(res_send): Likewise.
* signal/sigaddset.c: Likewise. De-ANSI-fy.
* signal/sigdelset.c: Likewise.
* signal/sigempty.c: Likewise.
* signal/sigfillset.c: Likewise.
* signal/sigismem.c: Likewise.
* stdio/fclose.c: Likewise.
* stdio/feof.c: Likewise.
* stdio/ferror.c: Likewise.
* stdio/fflush.c: Likewise.
* stdio/fgetc.c: Likewise.
* stdio/fgetpos.c: Likewise.
* stdio/fgets.c: Likewise.
* stdio/fileno.c: Likewise.
* stdio/fmemopen.c: Likewise.
* stdio/fopen.c: Likewise.
* stdio/fputc.c: Likewise.
* stdio/fread.c: Likewise.
* stdio/freopen.c: Likewise.
* stdio/fseek.c: Likewise.
* stdio/fsetpos.c: Likewise.
* stdio/ftell.c: Likewise.
* stdio/fwrite.c: Likewise.
* stdio/getdelim.c: Likewise.
* stdio/gets.c: Likewise.
* stdio/glue.c: Likewise.
* stdio/internals.c: Likewise.
* stdio/memstream.c: Likewise.
* stdio/setvbuf.c: Likewise.
* stdio/ungetc.c: Likewise.
* stdio/vsscanf.c: Likewise.
* stdio-common/reg-printf.c: Likewise.
* stdio-common/vfprintf.c: Likewise.
* stdio-common/vfscanf.c: Likewise.
* stdlib/canonicalize.c: Likewise.
* stdlib/msort.c: Likewise.
* stdlib/random_r.c: Likewise.
* stdlib/strfmon.c: Likewise.
* stdlib/strtod.c: Likewise.
* stdlib/strtol.c: Likewise.
* sunrpc/bindrsvprt.c: Likewise.
* time/asctime.c: Likewise.
* time/localtime.c: Likewise.
* wcsmbs/mbrtowc.c: Likewise.
* wcsmbs/mbsnrtowcs.c: Likewise.
* wcsmbs/mbsrtowcs.c: Likewise.
* wcsmbs/wcrtomb.c: Likewise.
* wcsmbs/wcsnrtombs.c: Likewise.
* wcsmbs/wcsrtombs.c: Likewise.
* wcsmbs/wcstok.c: Likewise.
* sysdeps/generic/ftime.c: Likewise.
* sysdeps/generic/pty.c: Likewise.
* sysdeps/generic/setenv.c: Likewise.
* sysdeps/generic/speed.c: Likewise.
* sysdeps/generic/sysd-stdio.c: Likewise.
* sysdeps/generic/uname.c: Likewise.
* sysdeps/generic/vlimit.c: Likewise.
* sysdeps/libm-ieee754/k_standard.c: Likewise.
* sysdeps/libm-ieee754/s_ldexp.c: Likewise.
* sysdeps/libm-ieee754/s_ldexpf.c: Likewise.
* sysdeps/libm-ieee754/s_ldexpl.c: Likewise.
* sysdeps/libm-ieee754/w_scalb.c: Likewise.
* sysdeps/libm-ieee754/w_scalbf.c: Likewise.
* sysdeps/libm-ieee754/w_scalbl.c: Likewise.
* sysdeps/posix/dup2.c: Likewise.
* sysdeps/posix/euidaccess.c: Likewise.
* sysdeps/posix/fdopen.c: Likewise.
* sysdeps/posix/flock.c: Likewise.
* sysdeps/posix/fpathconf.c: Likewise.
* sysdeps/posix/getcwd.c: Likewise.
* sysdeps/posix/gettimeofday.c: Likewise.
* sysdeps/posix/isatty.c: Likewise.
* sysdeps/posix/isfdtype.c: Likewise.
* sysdeps/posix/killpg.c: Likewise.
* sysdeps/posix/mkstemp.c: Likewise.
* sysdeps/posix/mktemp.c: Likewise.
* sysdeps/posix/pathconf.c: Likewise.
* sysdeps/posix/pipestream.c: Likewise.
* sysdeps/posix/remove.c: Likewise.
* sysdeps/posix/rename.c: Likewise.
* sysdeps/posix/sigintr.c: Likewise.
* sysdeps/posix/signal.c: Likewise.
* sysdeps/posix/sigsuspend.c: Likewise.
* sysdeps/posix/sigvec.c: Likewise.
* sysdeps/posix/sleep.c: Likewise.
* sysdeps/posix/sysconf.c: Likewise.
* sysdeps/posix/system.c: Likewise.
* sysdeps/posix/tempname.c: Likewise.
* sysdeps/posix/truncate.c: Likewise.
* sysdeps/posix/ttyname.c: Likewise.
* sysdeps/posix/ttyname_r.c: Likewise.
* sysdeps/posix/wait3.c: Likewise.
* sysdeps/standalone/close.c: Likewise.
* sysdeps/standalone/open.c: Likewise.
* sysdeps/standalone/read.c: Likewise.
* sysdeps/standalone/write.c: Likewise.
* sysdeps/stub/__longjmp.c: Likewise.
* sysdeps/stub/accept.c: Likewise.
* sysdeps/stub/access.c: Likewise.
* sysdeps/stub/acct.c: Likewise.
* sysdeps/stub/adjtime.c: Likewise.
* sysdeps/stub/alarm.c: Likewise.
* sysdeps/stub/bind.c: Likewise.
* sysdeps/stub/brk.c: Likewise.
* sysdeps/stub/chdir.c: Likewise.
* sysdeps/stub/chflags.c: Likewise.
* sysdeps/stub/chmod.c: Likewise.
* sysdeps/stub/chown.c: Likewise.
* sysdeps/stub/chroot.c: Likewise.
* sysdeps/stub/clock.c: Likewise.
* sysdeps/stub/close.c: Likewise.
* sysdeps/stub/closedir.c: Likewise.
* sysdeps/stub/connect.c: Likewise.
* sysdeps/stub/ctermid.c: Likewise.
* sysdeps/stub/cuserid.c: Likewise.
* sysdeps/stub/dirfd.c: Likewise.
* sysdeps/stub/dup.c: Likewise.
* sysdeps/stub/dup2.c: Likewise.
* sysdeps/stub/euidaccess.c: Likewise.
* sysdeps/stub/execve.c: Likewise.
* sysdeps/stub/fchdir.c: Likewise.
* sysdeps/stub/fchflags.c: Likewise.
* sysdeps/stub/fchmod.c: Likewise.
* sysdeps/stub/fchown.c: Likewise.
* sysdeps/stub/fcntl.c: Likewise.
* sysdeps/stub/fdopen.c: Likewise.
* sysdeps/stub/fexecve.c: Likewise.
* sysdeps/stub/flock.c: Likewise.
* sysdeps/stub/fork.c: Likewise.
* sysdeps/stub/fpathconf.c: Likewise.
* sysdeps/stub/fstatfs.c: Likewise.
* sysdeps/stub/fsync.c: Likewise.
* sysdeps/stub/ftruncate.c: Likewise.
* sysdeps/stub/fxstat.c: Likewise.
* sysdeps/stub/getcwd.c: Likewise.
* sysdeps/stub/getdents.c: Likewise.
* sysdeps/stub/getdomain.c: Likewise.
* sysdeps/stub/getdtsz.c: Likewise.
* sysdeps/stub/getegid.c: Likewise.
* sysdeps/stub/getenv.c: Likewise.
* sysdeps/stub/geteuid.c: Likewise.
* sysdeps/stub/getgid.c: Likewise.
* sysdeps/stub/getgroups.c: Likewise.
* sysdeps/stub/gethostid.c: Likewise.
* sysdeps/stub/gethostname.c: Likewise.
* sysdeps/stub/getitimer.c: Likewise.
* sysdeps/stub/getlogin.c: Likewise.
* sysdeps/stub/getlogin_r.c: Likewise.
* sysdeps/stub/getpagesize.c: Likewise.
* sysdeps/stub/getpeername.c: Likewise.
* sysdeps/stub/getpid.c: Likewise.
* sysdeps/stub/getppid.c: Likewise.
* sysdeps/stub/getpriority.c: Likewise.
* sysdeps/stub/getrlimit.c: Likewise.
* sysdeps/stub/getrusage.c: Likewise.
* sysdeps/stub/getsid.c: Likewise.
* sysdeps/stub/getsockname.c: Likewise.
* sysdeps/stub/getsockopt.c: Likewise.
* sysdeps/stub/getsysstats.c: Likewise.
* sysdeps/stub/gettimeofday.c: Likewise.
* sysdeps/stub/getuid.c: Likewise.
* sysdeps/stub/gtty.c: Likewise.
* sysdeps/stub/ioctl.c: Likewise.
* sysdeps/stub/isatty.c: Likewise.
* sysdeps/stub/isfdtype.c: Likewise.
* sysdeps/stub/kill.c: Likewise.
* sysdeps/stub/killpg.c: Likewise.
* sysdeps/stub/link.c: Likewise.
* sysdeps/stub/listen.c: Likewise.
* sysdeps/stub/lseek.c: Likewise.
* sysdeps/stub/lxstat.c: Likewise.
* sysdeps/stub/madvice.c: Likewise.
* sysdeps/stub/mkdir.c: Likewise.
* sysdeps/stub/mkfifo.c: Likewise.
* sysdeps/stub/mkstemp.c: Likewise.
* sysdeps/stub/mktemp.c: Likewise.
* sysdeps/stub/mmap.c: Likewise.
* sysdeps/stub/morecore.c: Likewise.
* sysdeps/stub/mprotect.c: Likewise.
* sysdeps/stub/msgctl.c: Likewise.
* sysdeps/stub/msgget.c: Likewise.
* sysdeps/stub/msgrcv.c: Likewise.
* sysdeps/stub/msgsnd.c: Likewise.
* sysdeps/stub/msync.c: Likewise.
* sysdeps/stub/munmap.c: Likewise.
* sysdeps/stub/nanosleep.c: Likewise.
* sysdeps/stub/nice.c: Likewise.
* sysdeps/stub/nlist.c: Likewise.
* sysdeps/stub/open.c: Likewise.
* sysdeps/stub/opendir.c: Likewise.
* sysdeps/stub/pathconf.c: Likewise.
* sysdeps/stub/pause.c: Likewise.
* sysdeps/stub/pipe.c: Likewise.
* sysdeps/stub/pipestream.c: Likewise.
* sysdeps/stub/poll.c: Likewise.
* sysdeps/stub/profil.c: Likewise.
* sysdeps/stub/ptrace.c: Likewise.
* sysdeps/stub/putenv.c: Likewise.
* sysdeps/stub/raise.c: Likewise.
* sysdeps/stub/read.c: Likewise.
* sysdeps/stub/readdir.c: Likewise.
* sysdeps/stub/readlink.c: Likewise.
* sysdeps/stub/readv.c: Likewise.
* sysdeps/stub/reboot.c: Likewise.
* sysdeps/stub/recv.c: Likewise.
* sysdeps/stub/recvfrom.c: Likewise.
* sysdeps/stub/recvmsg.c: Likewise.
* sysdeps/stub/remove.c: Likewise.
* sysdeps/stub/rename.c: Likewise.
* sysdeps/stub/revoke.c: Likewise.
* sysdeps/stub/rewinddir.c: Likewise.
* sysdeps/stub/rmdir.c: Likewise.
* sysdeps/stub/sbrk.c: Likewise.
* sysdeps/stub/sched_getp.c: Likewise.
* sysdeps/stub/sched_gets.c: Likewise.
* sysdeps/stub/sched_primax.c: Likewise.
* sysdeps/stub/sched_primin.c: Likewise.
* sysdeps/stub/sched_rr_gi.c: Likewise.
* sysdeps/stub/sched_setp.c: Likewise.
* sysdeps/stub/sched_sets.c: Likewise.
* sysdeps/stub/sched_yield.c: Likewise.
* sysdeps/stub/seekdir.c: Likewise.
* sysdeps/stub/select.c: Likewise.
* sysdeps/stub/semctl.c: Likewise.
* sysdeps/stub/semget.c: Likewise.
* sysdeps/stub/semop.c: Likewise.
* sysdeps/stub/send.c: Likewise.
* sysdeps/stub/sendmsg.c: Likewise.
* sysdeps/stub/sendto.c: Likewise.
* sysdeps/stub/setdomain.c: Likewise.
* sysdeps/stub/setegid.c: Likewise.
* sysdeps/stub/setenv.c: Likewise.
* sysdeps/stub/seteuid.c: Likewise.
* sysdeps/stub/setgid.c: Likewise.
* sysdeps/stub/setgroups.c: Likewise.
* sysdeps/stub/sethostid.c: Likewise.
* sysdeps/stub/sethostname.c: Likewise.
* sysdeps/stub/setitimer.c: Likewise.
* sysdeps/stub/setjmp.c: Likewise.
* sysdeps/stub/setlogin.c: Likewise.
* sysdeps/stub/setpgid.c: Likewise.
* sysdeps/stub/setpriority.c: Likewise.
* sysdeps/stub/setregid.c: Likewise.
* sysdeps/stub/setreuid.c: Likewise.
* sysdeps/stub/setrlimit.c: Likewise.
* sysdeps/stub/setsid.c: Likewise.
* sysdeps/stub/setsockopt.c: Likewise.
* sysdeps/stub/settimeofday.c: Likewise.
* sysdeps/stub/setuid.c: Likewise.
* sysdeps/stub/shmat.c: Likewise.
* sysdeps/stub/shmctl.c: Likewise.
* sysdeps/stub/shmdt.c: Likewise.
* sysdeps/stub/shmget.c: Likewise.
* sysdeps/stub/shutdown.c: Likewise.
* sysdeps/stub/sigaction.c: Likewise.
* sysdeps/stub/sigaltstack.c: Likewise.
* sysdeps/stub/sigblock.c: Likewise.
* sysdeps/stub/sigintr.c: Likewise.
* sysdeps/stub/signal.c: Likewise.
* sysdeps/stub/sigpause.c: Likewise.
* sysdeps/stub/sigpending.c: Likewise.
* sysdeps/stub/sigprocmask.c: Likewise.
* sysdeps/stub/sigreturn.c: Likewise.
* sysdeps/stub/sigsetmask.c: Likewise.
* sysdeps/stub/sigstack.c: Likewise.
* sysdeps/stub/sigsuspend.c: Likewise.
* sysdeps/stub/sigvec.c: Likewise.
* sysdeps/stub/sleep.c: Likewise.
* sysdeps/stub/socket.c: Likewise.
* sysdeps/stub/socketpair.c: Likewise.
* sysdeps/stub/sstk.c: Likewise.
* sysdeps/stub/statfs.c: Likewise.
* sysdeps/stub/stime.c: Likewise.
* sysdeps/stub/stty.c: Likewise.
* sysdeps/stub/swapoff.c: Likewise.
* sysdeps/stub/swapon.c: Likewise.
* sysdeps/stub/symlink.c: Likewise.
* sysdeps/stub/sync.c: Likewise.
* sysdeps/stub/syscall.c: Likewise.
* sysdeps/stub/sysconf.c: Likewise.
* sysdeps/stub/sysd-stdio.c: Likewise.
* sysdeps/stub/system.c: Likewise.
* sysdeps/stub/tcdrain.c: Likewise.
* sysdeps/stub/tcflow.c: Likewise.
* sysdeps/stub/tcflush.c: Likewise.
* sysdeps/stub/tcgetattr.c: Likewise.
* sysdeps/stub/tcgetpgrp.c: Likewise.
* sysdeps/stub/tcsendbrk.c: Likewise.
* sysdeps/stub/tcsetattr.c: Likewise.
* sysdeps/stub/tcsetpgrp.c: Likewise.
* sysdeps/stub/telldir.c: Likewise.
* sysdeps/stub/tempname.c: Likewise.
* sysdeps/stub/time.c: Likewise.
* sysdeps/stub/times.c: Likewise.
* sysdeps/stub/truncate.c: Likewise.
* sysdeps/stub/ttyname.c: Likewise.
* sysdeps/stub/ttyname_r.c: Likewise.
* sysdeps/stub/ualarm.c: Likewise.
* sysdeps/stub/ulimit.c: Likewise.
* sysdeps/stub/umask.c: Likewise.
* sysdeps/stub/unlink.c: Likewise.
* sysdeps/stub/usleep.c: Likewise.
* sysdeps/stub/ustat.c: Likewise.
* sysdeps/stub/utime.c: Likewise.
* sysdeps/stub/utimes.c: Likewise.
* sysdeps/stub/vhangup.c: Likewise.
* sysdeps/stub/wait.c: Likewise.
* sysdeps/stub/wait3.c: Likewise.
* sysdeps/stub/wait4.c: Likewise.
* sysdeps/stub/waitpid.c: Likewise.
* sysdeps/stub/write.c: Likewise.
* sysdeps/stub/writev.c: Likewise.
* sysdeps/stub/xmknod.c: Likewise.
* sysdeps/stub/xstat.c: Likewise.
* sysdeps/unix/closedir.c: Likewise.
* sysdeps/unix/fxstat.c: Likewise.
* sysdeps/unix/getlogin.c: Likewise.
* sysdeps/unix/getlogin_r.c: Likewise.
* sysdeps/unix/mkdir.c: Likewise.
* sysdeps/unix/nice.c: Likewise.
* sysdeps/unix/nlist.c: Likewise.
* sysdeps/unix/opendir.c: Likewise.
* sysdeps/unix/readdir.c: Likewise.
* sysdeps/unix/rmdir.c: Likewise.
* sysdeps/unix/stime.c: Likewise.
* sysdeps/unix/xmknod.c: Likewise.
* sysdeps/unix/xstat.c: Likewise.
* sysdeps/unix/bsd/isatty.c: Likewise.
* sysdeps/unix/bsd/setegid.c: Likewise.
* sysdeps/unix/bsd/seteuid.c: Likewise.
* sysdeps/unix/bsd/setsid.c: Likewise.
* sysdeps/unix/bsd/sigaction.c: Likewise.
* sysdeps/unix/bsd/sigprocmask.c: Likewise.
* sysdeps/unix/bsd/sigsuspend.c: Likewise.
* sysdeps/unix/bsd/tcflow.c: Likewise.
* sysdeps/unix/bsd/tcflush.c: Likewise.
* sysdeps/unix/bsd/tcgetattr.c: Likewise.
* sysdeps/unix/bsd/tcsetattr.c: Likewise.
* sysdeps/unix/bsd/times.c: Likewise.
* sysdeps/unix/bsd/ulimit.c: Likewise.
* sysdeps/unix/common/lxstat.c: Likewise.
* sysdeps/unix/common/tcsendbrk.c: Likewise.
* sysdeps/unix/sysv/setrlimit.c: Likewise.
* sysdeps/unix/sysv/settimeofday.c: Likewise.
* sysdeps/unix/sysv/sigaction.c: Likewise.
* sysdeps/unix/sysv/tcflow.c: Likewise.
* sysdeps/unix/sysv/tcflush.c: Likewise.
* sysdeps/unix/sysv/tcgetattr.c: Likewise.
* sysdeps/unix/sysv/tcsendbrk.c: Likewise.
* sysdeps/unix/sysv/tcsetattr.c: Likewise.
* sysdeps/unix/bsd/ultrix4/sysconf.c: Likewise.
* sysdeps/unix/sysv/irix4/getpriority.c: Likewise.
* sysdeps/unix/sysv/irix4/setpriority.c: Likewise.
* sysdeps/unix/sysv/linux/adjtime.c: Likewise.
* sysdeps/unix/sysv/linux/gethostid.c: Likewise.
* sysdeps/unix/sysv/linux/gethostname.c: Likewise.
* sysdeps/unix/sysv/linux/getsysstats.c: Likewise.
* sysdeps/unix/sysv/linux/ptrace.c: Likewise.
* sysdeps/unix/sysv/linux/speed.c: Likewise.
* sysdeps/unix/sysv/linux/ulimit.c: Likewise.
* sysdeps/unix/sysv/sysv4/sigaction.c: Likewise.
* sysdeps/unix/sysv/sysv4/sysconf.c: Likewise.
* sysdeps/unix/bsd/sun/m68k/sigtramp.c: Likewise.
* sysdeps/unix/bsd/sun/sparc/sigtramp.c: Likewise.
* sysdeps/unix/bsd/sun/sunos4/speed.c: Likewise.
* sysdeps/unix/bsd/sun/sunos4/tcsetattr.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/ioperm.c: Likewise.
* sysdeps/unix/sysv/linux/i386/brk.c: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/brk.c: Likewise.
* sunrpc/clnt_tcp.c: Protect declaration of errno by #ifndef.
* sunrpc/clnt_udp.c: Likewise.
* sunrpc/bindrsvprt.c: Likewise.
* sunrpc/pm_getmaps.c: Likewise.
* sunrpc/pmap_rmt.c: Likewise.
* sunrpc/svc.c: Likewise.
* sunrpc/svc_run.c: Likewise.
* sunrpc/svc_tcp.c: Likewise.
* sunrpc/svc_udp.c: Likewise.
* sysdeps/generic/strtok.c: Don't check argument, just crash.
* sysdeps/generic/strtok_r.c: Likewise.
* sysdeps/stub/start.c: Make __errno a strong alias of errno.
* sysdeps/unix/start.c: Likewise. De-ANSI-fy.
* sysdeps/unix/sparc/start.c: Likewise.
* sysdeps/standalone/m68k/m68020/start.S: Likewise.
* sysdeps/unix/sysv/irix4/start.c: Likewise.
* sysdeps/unix/bsd/ultrix4/mips/start.S: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep.S: Likewise.
Mon Sep 23 17:54:57 1996 Ulrich Drepper <drepper@cygnus.com>
* catgets/gencat.c (main): Put package name in --version message
in parantheses. Reported by Jim Meyering.
* db/makedb.c: Likewise.
* locale/programs/locale.c: Likewise.
* locale/programs/localedef.c: Likewise.
* sysdeps/i386/fpu/__math.h (tan): Make sure gcc knows we use
two registers. Patch by John Bowman.
Sat Sep 21 15:08:25 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/mach/libc-lock.h: Fix comment.
* sysdeps/stubs/libc-lock.h: Likewise.
Sat Sep 21 13:50:40 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libio/genops.c (_IO_init) [_IO_MTSAFE_IO]: Dereference pointer
to lock when passing it to __libc_lock_init macro.
(_IO_default_finish) [_IO_MTSAFE_IO]: Dereference pointer to lock
when passing it to __libc_lock_fini macro.
Sat Sep 21 14:35:40 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/m68k/sysdep.h (SYSCALL_ERROR_HANDLER)
[_LIBC_REENTRANT]: Add missing semicolon.
* sysdeps/unix/sysv/linux/m68k/sysdep.S: Move inclusion of
sysdep.h to the top outside of #ifndef PIC. Don't include errnos.h.
Use the ENTRY macro.
Sat Sep 21 14:33:41 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libio/Makefile: Make `all' the default target.
* po/Makefile: Likewise.
Mon Sep 23 15:49:47 1996 Ulrich Drepper <drepper@cygnus.com>
* stdlib/test-canon.c: Correct patch from Thu Sep 12 23:01:16 1996.
I applied it incorrectly.
* sysdeps/m68k/fpu/s_scalbn.c: Likewise.
* sysdeps/m68k/fpu/s_scalbnf.c: Likewise.
* sysdeps/m68k/fpu/s_scalbnl.c: Likewise.
Mon Sep 23 03:00:10 1996 Ulrich Drepper <drepper@cygnus.com>
* shadow/sgetspent_r.c (LINE_PARSER): Accept empty 9th field.
Patch by NIIBE Yutaka <gniibe@mri.co.jp>.
* shadow/sgetspent_r.c (LINE_PARSER): Don't accept any chars after
9th field.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)==misc]
(sysdep_headers): Add sys/debugreg.h, sys/kd.h, sys/soundcard.h,
and sys/vt.h.
* sysdeps/unix/sysv/linux/sys/debugreg.h: New file.
* sysdeps/unix/sysv/linux/sys/kd.h: New file.
* sysdeps/unix/sysv/linux/sys/soundcard.h: New file.
* sysdeps/unix/sysv/linux/sys/vt.h: New file.
Reported by NIIBE Yutaka <gniibe@mri.co.jp>.
1996-09-27 03:45:24 +00:00
|
|
|
__set_errno (ENOENT);
|
2015-05-18 22:44:53 +00:00
|
|
|
return true;
|
1995-02-18 01:27:10 +00:00
|
|
|
}
|
2015-05-18 22:44:53 +00:00
|
|
|
return false;
|
|
|
|
}
|
1995-02-18 01:27:10 +00:00
|
|
|
|
2015-05-18 22:44:53 +00:00
|
|
|
static DIR *
|
|
|
|
opendir_tail (int fd)
|
|
|
|
{
|
|
|
|
if (__glibc_unlikely (fd < 0))
|
1998-10-19 16:30:28 +00:00
|
|
|
return NULL;
|
|
|
|
|
2015-05-18 22:44:53 +00:00
|
|
|
/* Now make sure this really is a directory and nothing changed since the
|
|
|
|
`stat' call. The S_ISDIR check is superfluous if O_DIRECTORY works,
|
|
|
|
but it's cheap and we need the stat call for st_blksize anyway. */
|
|
|
|
struct stat64 statbuf;
|
2020-07-15 19:35:58 +00:00
|
|
|
if (__glibc_unlikely (__fstat64 (fd, &statbuf) < 0))
|
2015-05-18 22:44:53 +00:00
|
|
|
goto lose;
|
|
|
|
if (__glibc_unlikely (! S_ISDIR (statbuf.st_mode)))
|
1998-10-19 16:30:28 +00:00
|
|
|
{
|
2015-05-18 22:44:53 +00:00
|
|
|
__set_errno (ENOTDIR);
|
|
|
|
lose:
|
2017-07-03 18:22:58 +00:00
|
|
|
__close_nocancel_nostatus (fd);
|
2015-05-18 22:44:53 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return __alloc_dir (fd, true, 0, &statbuf);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#if IS_IN (libc)
|
|
|
|
DIR *
|
|
|
|
__opendirat (int dfd, const char *name)
|
|
|
|
{
|
|
|
|
if (__glibc_unlikely (invalid_name (name)))
|
|
|
|
return NULL;
|
|
|
|
|
2017-07-03 18:00:26 +00:00
|
|
|
return opendir_tail (__openat_nocancel (dfd, name, opendir_oflags));
|
2005-09-28 21:19:53 +00:00
|
|
|
}
|
2015-05-18 22:44:53 +00:00
|
|
|
#endif
|
2011-08-09 13:57:55 +00:00
|
|
|
|
|
|
|
|
|
|
|
/* Open a directory stream on NAME. */
|
|
|
|
DIR *
|
|
|
|
__opendir (const char *name)
|
|
|
|
{
|
2015-05-18 22:44:53 +00:00
|
|
|
if (__glibc_unlikely (invalid_name (name)))
|
|
|
|
return NULL;
|
|
|
|
|
2017-07-03 14:11:24 +00:00
|
|
|
return opendir_tail (__open_nocancel (name, opendir_oflags));
|
2011-08-09 13:57:55 +00:00
|
|
|
}
|
2005-09-28 21:19:53 +00:00
|
|
|
weak_alias (__opendir, opendir)
|
|
|
|
|
|
|
|
DIR *
|
2011-05-08 04:48:30 +00:00
|
|
|
__alloc_dir (int fd, bool close_fd, int flags, const struct stat64 *statp)
|
2005-09-28 21:19:53 +00:00
|
|
|
{
|
2017-04-18 12:56:51 +00:00
|
|
|
/* We have to set the close-on-exit flag if the user provided the
|
|
|
|
file descriptor. */
|
|
|
|
if (!close_fd
|
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
This patch fixes the OFD ("file private") locks for architectures that
support non-LFS flock definition (__USE_FILE_OFFSET64 not defined). The
issue in this case is both F_OFD_{GETLK,SETLK,SETLKW} and
F_{SET,GET}L{W}K64 expects a flock64 argument and when using old
F_OFD_* flags with a non LFS flock argument the kernel might interpret
the underlying data wrongly. Kernel idea originally was to avoid using
such flags in non-LFS syscall, but since GLIBC uses fcntl with LFS
semantic as default it is possible to provide the functionality and
avoid the bogus struct kernel passing by adjusting the struct manually
for the required flags.
The idea follows other LFS interfaces that provide two symbols:
1. A new LFS fcntl64 is added on default ABI with the usual macros to
select it for FILE_OFFSET_BITS=64.
2. The Linux non-LFS fcntl use a stack allocated struct flock64 for
F_OFD_{GETLK,SETLK,SETLKW} copy the results on the user provided
struct.
3. Keep a compat symbol with old broken semantic for architectures
that do not define __OFF_T_MATCHES_OFF64_T.
So for architectures which defines __USE_FILE_OFFSET64, fcntl64 will
aliased to fcntl and no adjustment would be required. So to actually
use F_OFD_* with LFS support the source must be built with LFS support
(_FILE_OFFSET_BITS=64).
Also F_OFD_SETLKW command is handled a cancellation point, as for
F_SETLKW{64}.
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #20251]
* NEWS: Mention fcntl64 addition.
* csu/check_fds.c: Replace __fcntl_nocancel by __fcntl64_nocancel.
* login/utmp_file.c: Likewise.
* sysdeps/posix/fdopendir.c: Likewise.
* sysdeps/posix/opendir.c: Likewise.
* sysdeps/unix/pt-fcntl.c: Likewise.
* include/fcntl.h (__libc_fcntl64, __fcntl64,
__fcntl64_nocancel_adjusted): New prototype.
(__fcntl_nocancel_adjusted): Remove prototype.
* io/Makefile (routines): Add fcntl64.
(CFLAGS-fcntl64.c): New rule.
* io/Versions [GLIBC_2.28] (fcntl64): New symbol.
[GLIBC_PRIVATE] (__libc_fcntl): Rename to __libc_fcntl64.
* io/fcntl.h (fcntl64): Add prototype and redirect if
__USE_FILE_OFFSET64 is defined.
* io/fcntl64.c: New file.
* manual/llio.text: Add a note for which commands fcntl acts a
cancellation point.
* nptl/Makefile (CFLAGS-fcntl64.c): New rule.
* sysdeps/mach/hurd/fcntl.c: Alias fcntl to fcntl64 symbols.
* sysdeps/mach/hurd/i386/libc.abilist [GLIBC_2.28] (fcntl, fcntl64):
New symbols.
* sysdeps/unix/sysv/linux/fcntl.c (__libc_fcntl): Fix F_GETLK64,
F_OFD_GETLK, F_SETLK64, F_SETLKW64, F_OFD_SETLK, and F_OFD_SETLKW for
non-LFS case.
* sysdeps/unix/sysv/linux/fcntl64.c: New file.
* sysdeps/unix/sysv/linux/fcntl_nocancel.c (__fcntl_nocancel): Rename
to __fcntl64_nocancel.
(__fcntl_nocancel_adjusted): Rename to __fcntl64_nocancel_adjusted.
* sysdeps/unix/sysv/linux/not-cancel.h (__fcntl_nocancel): Rename
to __fcntl64_nocancel.
* sysdeps/unix/sysv/linux/tst-ofdlocks.c: New file.
* sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c: Likewise.
* sysdeps/unix/sysv/linux/Makefile (tests): Add tst-ofdlocks.
(tests-internal): Add tst-ofdlocks-compat.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28]
(fcntl64): New symbol.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist [GLIBC_2.28] (fcntl,
fcntl64): Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilis: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
2018-04-04 14:24:15 +00:00
|
|
|
&& __glibc_unlikely (__fcntl64_nocancel (fd, F_SETFD, FD_CLOEXEC) < 0))
|
2020-04-12 20:42:35 +00:00
|
|
|
return NULL;
|
|
|
|
|
|
|
|
/* The st_blksize value of the directory is used as a hint for the
|
|
|
|
size of the buffer which receives struct dirent values from the
|
|
|
|
kernel. st_blksize is limited to max_buffer_size, in case the
|
|
|
|
file system provides a bogus value. */
|
|
|
|
enum { max_buffer_size = 1048576 };
|
|
|
|
|
|
|
|
const size_t allocation_size = 32768;
|
|
|
|
_Static_assert (allocation_size >= sizeof (struct dirent64),
|
|
|
|
"allocation_size < sizeof (struct dirent64)");
|
|
|
|
|
2012-10-16 08:33:50 +00:00
|
|
|
/* Increase allocation if requested, but not if the value appears to
|
2020-04-12 20:42:35 +00:00
|
|
|
be bogus. It will be between 32Kb and 1Mb. */
|
|
|
|
size_t allocation = MIN (MAX ((size_t) statp->st_blksize, allocation_size),
|
|
|
|
max_buffer_size);
|
1998-03-18 09:01:59 +00:00
|
|
|
|
2007-08-03 03:35:12 +00:00
|
|
|
DIR *dirp = (DIR *) malloc (sizeof (DIR) + allocation);
|
1998-03-18 09:01:59 +00:00
|
|
|
if (dirp == NULL)
|
1995-02-18 01:27:10 +00:00
|
|
|
{
|
2020-04-12 20:42:35 +00:00
|
|
|
if (close_fd)
|
|
|
|
__close_nocancel_nostatus (fd);
|
|
|
|
return NULL;
|
1995-02-18 01:27:10 +00:00
|
|
|
}
|
1996-07-09 14:49:13 +00:00
|
|
|
|
2007-08-04 17:21:20 +00:00
|
|
|
dirp->fd = fd;
|
2014-11-24 09:33:45 +00:00
|
|
|
#if IS_IN (libc)
|
1996-10-17 01:51:38 +00:00
|
|
|
__libc_lock_init (dirp->lock);
|
2007-02-19 05:44:33 +00:00
|
|
|
#endif
|
2007-08-04 17:21:20 +00:00
|
|
|
dirp->allocation = allocation;
|
2007-08-03 03:35:12 +00:00
|
|
|
dirp->size = 0;
|
|
|
|
dirp->offset = 0;
|
|
|
|
dirp->filepos = 0;
|
2013-08-16 07:38:52 +00:00
|
|
|
dirp->errcode = 0;
|
1996-07-09 14:49:13 +00:00
|
|
|
|
1995-02-18 01:27:10 +00:00
|
|
|
return dirp;
|
|
|
|
}
|