From 9756dfe161e523a5d543fb2b1f33a7e682a36342 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 22 Dec 1997 20:53:38 +0000 Subject: Update. 1997-12-22 18:10 Ulrich Drepper * configure.in: Stop with error if --disable-static is used when the shared lib uses this library. * gen-FAQ.pl: I've perl installed in /usr/bin. * include/bits/xopen_lim.h (STREAM_MAX): Define using FOPEN_MAX. Fix Unix98 conformance problems in the headers. * catgets/nl_types.h: Define nl_item. * grp/grp.h: Define gid_t. * include/features.h [_POSIX_C_SOURCE]: Don't define _XOPEN_SOURCE. * include/nl_types.h: New file. * include/ulimit.h: New file. * io/fcntl.h: Include sys/stat.h for Unix98. Don't define locking constants in POSIX mode. * io/utime.h: Get definition for time_t. * io/sys/stat.h: Define dev_t, gid_t, ino_t, mode_t, nlink_t, off_t, uid_t, pid_t. Define D_IFLNK and S_IFSOCK only if !__USE_UNIX98. * libio/stdio.h: Define va_list. Make snprintf also available is __USE_UNIX98. Declare getopt function and variables. * locale/langinfo.h: Include nl_types.h. Don't define nl_item. Define CODESET, CRNCYSTR, RADIXCHAR and THOUSEP as aliases. * math/math.h: Defined M_* constants as double for Unix98 mode. * posix/fnmatch.h: Pretty print. Define FNM_NOSYS. * posix/glob.h: Pretty print. Define GLOB_NOSYS. * posix/regex.h: Define REG_NOSYS. * posix/wordexp.h: Define WRDE_NOSYS. * posix/unistd.h: Define _POSIX2_VERSION. Define _XOPEN_VERSION to 500 for Unix98. * posix/sys/types.h: Alloc dev_t, mode_t, nlink_t to be defined somewhere else as well. Define clock_t for Unix98. * posix/sys/wait.h: Define pid_t. * pwd/pwd.h: Define gid_t, uid_t. * resource/Makefile (headers): Add ulimit.h. * resource/ulimit.h: New file. * sysdeps/generic/ulimit.c: Define according to X/Open using varargs instead of second argument. * sysdeps/unix/bsd/ulimit.c: Likewise. Use UL_* constants. * sysdeps/unix/sysv/linux/ulimit.c: Likewise. * resource/sys/resource.h: Don't declare ulimit here, include ulimit.h. * signal/signal.h: Define pid_t. * string/string.h: Don't declare BSD string functions in POSIX mode. * sysdeps/generic/bits/confname.h: Define _PC_VDISABLE. Add _SC_XOPEN_LEGACY, _SC_XOPEN_REALTIME and _SC_XOPEN_REALTIME_THREADS. * sysdeps/unix/sysv/linux/bits/termios.h: Clean namespace for Unix98 and POSIX. * inet/test_ifindex.c: Change test so that it does not fail for interface aliases. * locale/programs/locale.c (show_info): Use correct cast sequence for 64bit machines. * malloc/malloc.c: __malloc_initialized now signals three states: uninitialized, initializing, initialized. Used in mcheck. * malloc/mcheck.c (mabort): Add '\n' to messages. (mcheck): Allow installation when malloc is uninitialized or is just initializing. * manual/memory.texi: Explain mtrace output a bit more. * math/libm-test.c: Add more epsilons. * misc/regexp.h (compile): Remove __ prefix from parameter names. * nis/nss_nis/nis-ethers.c (internal_nis_getetherent_r): Use strncpy instead of strcpy for security. * nis/nss_nis/nis-proto.c (internal_nis_getprotoent_r): Likewise. * nis/nss_nis/nis-rpc.c (internal_nis_getrpcent_r): Likewise. * nis/nss_nis/nis-service.c (internal_nis_getservent_r): Likewise. * nss/digits_dots.c: Pretty print. * posix/getconf.c (vars): Add symbols for programming environment recognition. Recognize --version. * sysdeps/generic/sysconf.c: Handle _SC_XBS5_*, _SC_XOPEN_LEGACY, _SC_XOPEN_REALTIME, and _SC_XOPEN_REALTIME_THREADS. * sysdeps/posix/sysconf.c: Handle _SC_XBS5_* and new _XOPEN_* symbols. * sysdeps/generic/bits/stdio_lim.h: Implement handling of __need_FOPEN_MAX. * sysdeps/unix/sysv/linux/stdio_lim.h.in: Likewise. * sysdeps/posix/mk-stdiolim.c: Change to generate file handling __need_FOPEN_MAX. * sysdeps/unix/sysv/linux/Dist: Add rt_sigpending.c. * sysdeps/unix/sysv/linux/rt_sigpending.c: New file. * sysdeps/unix/sysv/linux/alpha/bits/types.h: Define __ipc_pid_t. * sysdeps/unix/sysv/linux/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/bits/msq.h: Use __ipc_pid_t. * sysdeps/unix/sysv/linux/bits/shm.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/types.h: New file. * sysdeps/wordsize-32/inttypes.h: Add SCNd8, SCNi8, SCNo8, SCNx8, SCNu*. * sysdeps/wordsize-64/inttypes.h: Likewise. * time/africa: Update from tzdata1997j. * time/antarctica: Likewise. * time/asia: Likewise. * time/australasia: Likewise. * time/backward: Likewise. * time/etcetera: Likewise. * time/europe: Likewise. * time/factory: Likewise. * time/northamerica: Likewise. * time/pacificnew: Likewise. * time/southamerica: Likewise. * time/tzfile.h: Update from tzcode1997h. * time/zic.c: Likewise. * wcsmbs/wchar.h: Get definition of FILE. Define `struct tm' tag. Declare wcwidth and wcswidth for __USE_XOPEN. Declare the isw*() functions for Unix98. * wctype/towctrans.c: Define as __towctrans, make towctrans weak alias. * wctype/wctype.h: Declare isw*() functions also if __need_iswxxx is defined. 1997-12-21 Andreas Schwab * locale/duplocale.c: Increase usage_count only if less than MAX_USAGE_COUNT. * locale/freelocale.c: Test usage_count against UNDELETABLE, not MAX_USAGE_COUNT. * locale/setlocale.c: Likewise. 1997-12-20 Andreas Schwab * Makefile ($(inst_includedir)/gnu/stubs.h): Use a more direct dependency to make it easier to install it selectively. * Makerules (.SUFFIXES): Don't define any suffixes. 1997-12-20 Andreas Schwab * sysdeps/generic/fstatfs64.c: Emulate using fstatfs. * sysdeps/generic/statfs64.c: Emulate using statfs. * sysdeps/generic/getrlimit64.c: Emulate using getrlimit. * sysdeps/generic/setrlimit64.c: Emulate using setrlimit. * sysdpes/generic/ftruncate64.c: New file. * sysdpes/generic/truncate64.c: New file. * sysdeps/generic/bits/stat.h: Add LFS support. * sysdeps/generic/bits/statfs.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/bits/resource.h (RLIM_INFINITY) [__USE_FILE_OFFSET64]: Make long long constant. (RLIM64_INFINITY): Likewise. * sysdeps/unix/sysv/linux/bits/resource.h (RLIM_INFINITY): Correct for LFS support. (RLIM64_INFINITY) [__USE_LARGEFILE64]: Define. * sysdeps/generic/bits/resource.h: Likewise. * misc/Makefile (routines): Add truncate64 and ftruncate64. * include/features.h: Don't prevent LFS support from defining BSD and SYSV things. * dirent/dirent.h [__USE_FILE_OFFSET64]: Don't use xxx64 names. * io/ftw.h [__USE_FILE_OFFSET64]: Likewise. * io/sys/stat.h [__USE_FILE_OFFSET64]: Likewise. * sysdeps/unix/sysv/linux/alpha/syscalls.list: Add xxx64 alias for fstatfs, statfs, getrlimit, setrlimit, ftruncate and truncate. * sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/alpha/fstatfs64.c: New file. * sysdeps/unix/sysv/linux/alpha/statfs64.c: New file. * sysdeps/unix/sysv/linux/alpha/getrlimit64.c: New file. * sysdeps/unix/sysv/linux/alpha/setrlimit64.c: New file. * sysdeps/unix/sysv/linux/alpha/ftruncate64.c: New file. * sysdeps/unix/sysv/linux/alpha/truncate64.c: New file. * sysdeps/unix/sysv/linux/alpha/readdir.c: New file. * sysdeps/unix/sysv/linux/alpha/readdir64.c: New file. * sysdeps/unix/sysv/linux/alpha/readdir64_r.c: New file. * sysdeps/unix/sysv/linux/alpha/readdir_r.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/fstatfs64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/statfs64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/getrlimit64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/setrlimit64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/ftruncate64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/truncate64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/readdir64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/readdir64_r.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/readdir_r.c: New file. * sysdeps/unix/sysv/linux/fxstat64.c: New file. * sysdeps/unix/sysv/linux/lxstat64.c: New file. * sysdeps/unix/sysv/linux/xstat64.c: New file. * sysdeps/unix/sysv/linux/readdir64.c: New file. * sysdeps/unix/sysv/linux/readdir64_r.c: New file. * sysdeps/unix/sysv/linux/getdents64.c: New file. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines) [$(subdir)=dirent]: Add getdents64. * sysdeps/unix/sysv/linux/Dist: Add getdents64.c. * sysdeps/unix/sysv/linux/xstatconv.c: LFS support. 1997-12-18 12:07 Philip Blundell * sysdeps/generic/bits/statfs.h (struct statfs64): Added. * sysdeps/generic/getrlimit.c: Include . * sysdeps/generic/getrlimit64.c: Likewise. * sysdeps/generic/setrlimit.c: Likewise. * sysdeps/generic/setrlimit64.c: Likewise. 1997-12-17 13:57 Philip Blundell * sysdeps/unix/sysv/linux/siglist.c: Fix compile problem if not using versioning. * sysdeps/generic/waitid.c: Include for id_t. * sysdeps/standalone/arm/bits/errno.h (EBUSY): Added. 1997-12-16 Andreas Schwab * locale/programs/ld-ctype.c (ctype_output): Clear out the padding after the codeset name. 1997-12-16 Andreas Schwab * libc.map: Add get_kernel_syms. 1997-12-16 Andreas Schwab * sysdeps/generic/testrtsig.h (kernel_has_rtsig): Make static. * sysdeps/unix/sysv/linux/testrtsig.h (kernel_has_rtsig): Likewise. Fix condition. 1997-12-16 Andreas Schwab * libio/Makefile (routines) [$(versioning)=yes]: Add oldiofdopen. 1997-12-15 Andreas Schwab * sysdeps/m68k/fpu/bits/mathinline.h: Don't define exp2 inline. Define scalbln{,f,l} under __USE_ISOC9X, not __USE_MISC. 1997-12-15 Andreas Schwab * sysdeps/unix/sysv/linux/powerpc/syscall.S: Put back. * sysdeps/unix/sysv/linux/powerpc/sigreturn.S: Delete this instead. Oops. 1997-12-16 Andreas Jaeger * configure.in (libc_cv_gcc_alpha_ng_prefix): Correct quoting. 1997-12-16 Andreas Jaeger * math/libm-test.c (catanh_test): Change epsilon. Reported by H.J. Lu. 1997-12-14 19:39 H.J. Lu * libc.map (__getpid): Added for linuxthreads. 1997-12-13 21:09 H.J. Lu * configure.in (HAVE_DWARF2_UNWIND_INFO_STATIC): Define it if gcc uses static variable in DWARF2 unwind information for exception support. * config.h.in (HAVE_DWARF2_UNWIND_INFO_STATIC): New. * elf/soinit.c (__libc_global_ctors, _fini): Handle HAVE_DWARF2_UNWIND_INFO_STATIC. * libc.map (__register_frame*, __deregister_frame*): Make them global. 1997-12-15 Andreas Jaeger * math/libm-test.c: Add more tests for "normal" values. 1997-12-13 Andreas Schwab * stdio-common/printf_fphex.c: Fix printing of long double number with a biased exponent of zero. Fix rounding. 1997-12-13 Andreas Schwab * sunrpc/rpc_main.c: Accept new flag -$. * sunrpc/Makefile (rpcgen-cmd): Pass it here. 1997-12-13 Andreas Schwab * Makefile ($(inst_slibdir)/libc-$(version).so): Install the dynamic linker first, in case the interface has changed. 1997-12-13 Andreas Schwab * nss/nss_files/files-alias.c (get_next_alias): Fix parameter order. 1997-12-12 Andreas Schwab * math/tgmath.h: Check for double first, for architectures where sizeof (long double) == sizeof (double). 1997-12-07 Andreas Jaeger * math/libm-test.c: New tests for "normal" values added for most functions. --- sysdeps/unix/sysv/linux/readdir64_r.c | 107 ++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/readdir64_r.c (limited to 'sysdeps/unix/sysv/linux/readdir64_r.c') diff --git a/sysdeps/unix/sysv/linux/readdir64_r.c b/sysdeps/unix/sysv/linux/readdir64_r.c new file mode 100644 index 0000000000..57ae4c786e --- /dev/null +++ b/sysdeps/unix/sysv/linux/readdir64_r.c @@ -0,0 +1,107 @@ +/* Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +extern ssize_t __getdirentries64 (int, char *, size_t, off_t *); + + +/* Read a directory entry from DIRP, store result in ENTRY and return + pointer to result in *RESULT. */ +int +readdir64_r (DIR *dirp, struct dirent64 *entry, struct dirent64 **result) +{ + struct dirent64 *dp; + size_t reclen; + + __libc_lock_lock (dirp->lock); + + do + { + if (dirp->offset >= dirp->size) + { + /* We've emptied out our buffer. Refill it. */ + + size_t maxread; + off_t base; + ssize_t bytes; + +#ifndef _DIRENT_HAVE_D_RECLEN + /* Fixed-size struct; must read one at a time (see below). */ + maxread = sizeof *dp; +#else + maxread = dirp->allocation; +#endif + + base = dirp->filepos; + bytes = __getdirentries64 (dirp->fd, dirp->data, maxread, &base); + if (bytes <= 0) + { + dp = NULL; + reclen = 0; + break; + } + dirp->size = (size_t) bytes; + + /* Reset the offset into the buffer. */ + dirp->offset = 0; + } + + dp = (struct dirent64 *) &dirp->data[dirp->offset]; + +#ifdef _DIRENT_HAVE_D_RECLEN + reclen = dp->d_reclen; +#else + /* The only version of `struct dirent64' that lacks `d_reclen' + is fixed-size. */ + assert (sizeof dp->d_name > 1); + reclen = sizeof *dp; + /* The name is not terminated if it is the largest possible size. + Clobber the following byte to ensure proper null termination. We + read just one entry at a time above so we know that byte will not + be used later. */ + dp->d_name[sizeof dp->d_name] = '\0'; +#endif + + dirp->offset += reclen; + +#ifdef _DIRENT_HAVE_D_OFF + dirp->filepos = dp->d_off; +#else + dirp->filepos += reclen; +#endif + + /* Skip deleted files. */ + } while (dp->d_ino == 0); + + if (dp != NULL) + *result = memcpy (entry, dp, reclen); + + __libc_lock_unlock (dirp->lock); + + return dp != NULL ? 0 : errno; +} -- cgit v1.2.3