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60478656fa
* elf/elf.h (AT_GID): Fix typo: Read -> Real. * misc/efgvt_r.c: New file. Reentrant version of [efg]cvt functions. * misc/efgcvt.c: Rewrite to use reentrant functions. * misc/hsearch_r.c: New file. Reentrant version of functions from hsearch family. * misc/hsearch.c, misc/tsearch.c: New files. * misc/Makefile (routines): Add efgcvt_r, hsearch_r, hsearch, tsearch. * posix/unistd.h (ttyname_r): Add prototype for new function. * stdlib/drand48_r.c, stdlib/erand48_r.c, stdlib/jrand48_r.c, stdlib/lrand48_r.c, stdlib/mrand48_r.c, stdlib/nrand48_r.c, stdlib/seed48_r.c, stdlib/srand48_r.c, stdlib/lcong48_r.c, stdlib/drand48-iter.c: New files implementing reentrant versions of functions from drand48 family. * stdlib/seed48.c, stdlib/drand48.c, stdlib/erand48.c, stdlib/jrand48.c, stdlib/lrand48.c, stdlib/mrand48.c, stdlib/nrand48.c, stdlib/srand48.c, stdlib/lcong48.c: Rewrite to use reentrant versions. * stdlib/a64l.c, stdlib/l64a.c: New files. Implement a64l() and l64a() functions from SysV library. * stdlib/Makefile (routines): Add drand48_r, erand48_r, lrand48_r, nrand48_r, mrand48_r, jrand48_r, srand48_r, seed48_r, lcong48_r, drand48-iter, a64l, l64a. * stdlib/stdlib.h: Declare them. * stdlib/random_r.c: New file. Reentrant version of functions from random family. * stdlib/stdlib.h: Declare them. * stdlib/random.c: Rewrite to use reentrant functions. * string/strerror_r.c: New file. Reentrant version. * string/strerror.c: Change for new _strerror_internal form. * string/Makefile (routines): Add strerror_r. * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Set default value of user_entry to `_start'. Close AT_ENTRY case with `break'. * sysdeps/generic/strstr.c: New and much faster implementation by Stephen R. van den Berg. * sysdeps/generic/_strerror.c: _strerror_internal now takes three argument and has and explicit buffer length. * sysdeps/mach/_strerror.c: Change for new interface with three arguments. * stdio/perror.c, stdio/vfprintf.c: Callers changed. * sysdeps/mach/hurd/ttyname_r.c: New file. Reentrant version. * sysdeps/posix/ttyname_r.c: New file. Reentrant version. * sysdeps/stub/ttyname_r: New file. Define as dummy function. * sysdeps/posix/utimes.c: Include <utime.h> for prototype. (utimes): First parameter to utime must be file, not path. * sysdeps/posix/sysconf.c (__sysconf): Test for CLK_TCK in case _SC_CLK_TCK and return it when available. Test for STREAM_MAX in case _SC_STREAM_MAX and return it when available. Add case for _SC_2_LOCALEDEF which is now available. * posix/sys/types.h [__USE_SVID] (key_t): New type. * sysvipc/Makefile, sysvipc/ftok.c, sysvipc/sys/ipc.h, sysvipc/sys/msg.h, sysvipc/sys/sem.h, sysvipc/sys/shm.h, sysdeps/stub/sys/msq_buf.h, sysdeps/stub/sys/sem_buf.h, sysdeps/stub/sys/shm_buf.h, sysdeps/stub/sys/ipc_buf.h, sysdeps/stub/semctl.c, sysdeps/stub/semget.c, sysdeps/stub/semop.c, sysdeps/stub/shmat.c, sysdeps/stub/shmctl.c, sysdeps/stub/shmdt.c, sysdeps/stub/shmget.c, sysdeps/stub/msgctl.c, sysdeps/stub/msgget.c, sysdeps/stub/msgrcv.c, sysdeps/stub/msgsnd.c: New files. Add implementation of System V IPC.
199 lines
3.6 KiB
C
199 lines
3.6 KiB
C
/* Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc.
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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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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <errno.h>
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#include <limits.h>
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#include <unistd.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <time.h>
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extern int EXFUN(__getdtablesize, (NOARGS));
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extern size_t EXFUN(__getpagesize, (NOARGS));
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/* Get the value of the system variable NAME. */
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long int
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DEFUN(__sysconf, (name), int name)
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{
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switch (name)
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{
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default:
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errno = EINVAL;
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return -1;
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case _SC_ARG_MAX:
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#ifdef ARG_MAX
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return ARG_MAX;
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#else
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return -1;
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#endif
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case _SC_CHILD_MAX:
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#ifdef CHILD_MAX
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return CHILD_MAX;
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#else
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return -1;
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#endif
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case _SC_CLK_TCK:
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#ifdef CLK_TCK
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return CLK_TCK;
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#else
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return 60;
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#endif
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case _SC_NGROUPS_MAX:
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#ifdef NGROUPS_MAX
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return NGROUPS_MAX;
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#else
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return -1;
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#endif
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case _SC_OPEN_MAX:
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return __getdtablesize ();
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case _SC_STREAM_MAX:
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#ifdef STREAM_MAX
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return STREAM_MAX;
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#else
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return FOPEN_MAX;
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#endif
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case _SC_TZNAME_MAX:
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return __tzname_max ();
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case _SC_JOB_CONTROL:
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#ifdef _POSIX_JOB_CONTROL
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return 1;
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#else
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return -1;
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#endif
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case _SC_SAVED_IDS:
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#ifdef _POSIX_SAVED_IDS
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return 1;
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#else
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return -1;
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#endif
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case _SC_VERSION:
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return _POSIX_VERSION;
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case _SC_PAGESIZE:
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return __getpagesize ();
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case _SC_BC_BASE_MAX:
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#ifdef BC_BASE_MAX
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return BC_BASE_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_DIM_MAX:
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#ifdef BC_DIM_MAX
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return BC_DIM_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_SCALE_MAX:
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#ifdef BC_SCALE_MAX
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return BC_SCALE_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_STRING_MAX:
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#ifdef BC_STRING_MAX
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return BC_STRING_MAX;
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#else
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return -1;
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#endif
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case _SC_EQUIV_CLASS_MAX:
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#ifdef EQUIV_CLASS_MAX
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return EQUIV_CLASS_MAX;
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#else
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return -1;
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#endif
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case _SC_EXPR_NEST_MAX:
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#ifdef EXPR_NEST_MAX
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return EXPR_NEST_MAX;
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#else
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return -1;
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#endif
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case _SC_LINE_MAX:
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#ifdef LINE_MAX
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return LINE_MAX;
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#else
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return -1;
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#endif
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case _SC_RE_DUP_MAX:
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#ifdef RE_DUP_MAX
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return RE_DUP_MAX;
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#else
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return -1;
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#endif
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case _SC_2_VERSION:
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/* This is actually supposed to return the version
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of the 1003.2 utilities on the system {POSIX2_VERSION}. */
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return _POSIX2_C_VERSION;
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case _SC_2_C_BIND:
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#ifdef _POSIX2_C_BIND
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return _POSIX2_C_BIND;
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#else
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return -1;
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#endif
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case _SC_2_C_DEV:
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#ifdef _POSIX2_C_DEV
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return _POSIX2_C_DEV;
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#else
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return -1;
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#endif
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case _SC_2_FORT_DEV:
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#ifdef _POSIX2_FORT_DEV
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return _POSIX2_FORT_DEV;
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#else
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return -1;
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#endif
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case _SC_2_LOCALEDEF:
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#ifdef _POSIX2_LOCALEDEF
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return _POSIX2_LOCALEDEF;
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#else
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return -1;
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#endif
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case _SC_2_SW_DEV:
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#ifdef _POSIX2_SW_DEV
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return _POSIX2_SW_DEV;
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#else
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return -1;
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#endif
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}
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}
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weak_alias (__sysconf, sysconf)
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