From: Brendan Kehoe Date: Thu, 20 May 1993 18:02:28 +0000 (+0000) Subject: Initial revision X-Git-Tag: upstream/2.30~10627^2~4272 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9ad31f91ba23d12b3cb9459e0d77ffecc922ec27;p=external%2Fglibc.git Initial revision --- diff --git a/sysdeps/unix/sysv/sysv4/sysconf.c b/sysdeps/unix/sysv/sysv4/sysconf.c new file mode 100644 index 0000000..3e4e82c --- /dev/null +++ b/sysdeps/unix/sysv/sysv4/sysconf.c @@ -0,0 +1,179 @@ +/* Copyright (C) 1993 Free Software Foundation, Inc. + Contributed by Brendan Kehoe (brendan@cygnus.com). + +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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include +#include +#include +#include +#include + +extern int EXFUN(__sysconfig, (int)); + +/* Get the value of the system variable NAME. */ +long int +DEFUN(__sysconf, (name), int name) +{ + switch (name) + { + default: + errno = EINVAL; + return -1; + + case _SC_ARG_MAX: +#ifdef ARG_MAX + return ARG_MAX; +#else + return -1; +#endif + + case _SC_CHILD_MAX: +#ifdef CHILD_MAX + return CHILD_MAX; +#else + return -1; +#endif + + case _SC_CLK_TCK: + return __sysconfig (_CONFIG_CLK_TCK); + + case _SC_NGROUPS_MAX: +#ifdef NGROUPS_MAX + return NGROUPS_MAX; +#else + return -1; +#endif + + /* Both of these are looking for _CONFIG_OPEN_FILES. */ + case _SC_OPEN_MAX: + case _SC_STREAM_MAX: + return __sysconfig (_CONFIG_OPEN_FILES); + + case _SC_TZNAME_MAX: + return __tzname_max (); + + case _SC_JOB_CONTROL: +#ifdef _POSIX_JOB_CONTROL + return 1; +#else + return -1; +#endif + case _SC_SAVED_IDS: +#ifdef _POSIX_SAVED_IDS + return 1; +#else + return -1; +#endif + case _SC_VERSION: + return _POSIX_VERSION; + + case _SC_PAGESIZE: + return __sysconfig (_CONFIG_PAGESIZE); + + case _SC_BC_BASE_MAX: +#ifdef BC_BASE_MAX + return BC_BASE_MAX; +#else + return -1; +#endif + + case _SC_BC_DIM_MAX: +#ifdef BC_DIM_MAX + return BC_DIM_MAX; +#else + return -1; +#endif + + case _SC_BC_SCALE_MAX: +#ifdef BC_SCALE_MAX + return BC_SCALE_MAX; +#else + return -1; +#endif + + case _SC_BC_STRING_MAX: +#ifdef BC_STRING_MAX + return BC_STRING_MAX; +#else + return -1; +#endif + + case _SC_EQUIV_CLASS_MAX: +#ifdef EQUIV_CLASS_MAX + return EQUIV_CLASS_MAX; +#else + return -1; +#endif + + case _SC_EXPR_NEST_MAX: +#ifdef EXPR_NEST_MAX + return EXPR_NEST_MAX; +#else + return -1; +#endif + + case _SC_LINE_MAX: +#ifdef LINE_MAX + return LINE_MAX; +#else + return -1; +#endif + + case _SC_RE_DUP_MAX: +#ifdef RE_DUP_MAX + return RE_DUP_MAX; +#else + return -1; +#endif + + + case _SC_2_VERSION: + /* This is actually supposed to return the version + of the 1003.2 utilities on the system {POSIX2_VERSION}. */ + return _POSIX2_C_VERSION; + + case _SC_2_C_BIND: +#ifdef _POSIX2_C_BIND + return _POSIX2_C_BIND; +#else + return -1; +#endif + + case _SC_2_C_DEV: +#ifdef _POSIX2_C_DEV + return _POSIX2_C_DEV; +#else + return -1; +#endif + + case _SC_2_FORT_DEV: +#ifdef _POSIX2_FORT_DEV + return _POSIX2_FORT_DEV; +#else + return -1; +#endif + + case _SC_2_SW_DEV: +#ifdef _POSIX2_SW_DEV + return _POSIX2_SW_DEV; +#else + return -1; +#endif + } +} diff --git a/sysdeps/unix/sysv/sysv4/sysconfig.h b/sysdeps/unix/sysv/sysv4/sysconfig.h new file mode 100644 index 0000000..e69de29