diff options
Diffstat (limited to 'REORG.TODO/posix/getconf.c')
| -rw-r--r-- | REORG.TODO/posix/getconf.c | 710 |
1 files changed, 710 insertions, 0 deletions
diff --git a/REORG.TODO/posix/getconf.c b/REORG.TODO/posix/getconf.c new file mode 100644 index 0000000000..01558481e2 --- /dev/null +++ b/REORG.TODO/posix/getconf.c @@ -0,0 +1,710 @@ +/* Copyright (C) 1991-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. */ + +#include <unistd.h> +#include <errno.h> +#include <error.h> +#include <libintl.h> +#include <locale.h> +#include <string.h> +#include <stdlib.h> +#include <stdio.h> + +#include "../version.h" +#define PACKAGE _libc_intl_domainname + +#define NEED_SPEC_ARRAY 1 +#include <posix-conf-vars.h> + +/* If all of the environments are defined in environments.h, then we don't need + to bother with doing a runtime check for a specific environment. */ +#if (defined _SC_V6_ILP32_OFF32 \ + && defined _SC_V7_LPBIG_OFFBIG \ + && defined _SC_XBS5_LP64_OFF64 \ + && defined _SC_V6_LP64_OFF64 \ + && defined _SC_V7_ILP32_OFFBIG \ + && defined _SC_V6_LPBIG_OFFBIG \ + && defined _SC_V7_LP64_OFF64 \ + && defined _SC_V7_ILP32_OFF32 \ + && defined _SC_XBS5_LPBIG_OFFBIG \ + && defined _SC_XBS5_ILP32_OFFBIG \ + && defined _SC_V6_ILP32_OFFBIG \ + && defined _SC_XBS5_ILP32_OFF32) +# define ALL_ENVIRONMENTS_DEFINED 1 +#endif + +struct conf + { + const char *name; + const int call_name; + const enum { SYSCONF, CONFSTR, PATHCONF } call; + }; + +static const struct conf vars[] = + { + { "LINK_MAX", _PC_LINK_MAX, PATHCONF }, + { "_POSIX_LINK_MAX", _PC_LINK_MAX, PATHCONF }, + { "MAX_CANON", _PC_MAX_CANON, PATHCONF }, + { "_POSIX_MAX_CANON", _PC_MAX_CANON, PATHCONF }, + { "MAX_INPUT", _PC_MAX_INPUT, PATHCONF }, + { "_POSIX_MAX_INPUT", _PC_MAX_INPUT, PATHCONF }, + { "NAME_MAX", _PC_NAME_MAX, PATHCONF }, + { "_POSIX_NAME_MAX", _PC_NAME_MAX, PATHCONF }, + { "PATH_MAX", _PC_PATH_MAX, PATHCONF }, + { "_POSIX_PATH_MAX", _PC_PATH_MAX, PATHCONF }, + { "PIPE_BUF", _PC_PIPE_BUF, PATHCONF }, + { "_POSIX_PIPE_BUF", _PC_PIPE_BUF, PATHCONF }, + { "SOCK_MAXBUF", _PC_SOCK_MAXBUF, PATHCONF }, + { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF }, + { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF }, + { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF }, + { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF }, + { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF }, + { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF }, + + { "ARG_MAX", _SC_ARG_MAX, SYSCONF }, + { "ATEXIT_MAX", _SC_ATEXIT_MAX, SYSCONF }, + { "CHAR_BIT", _SC_CHAR_BIT, SYSCONF }, + { "CHAR_MAX", _SC_CHAR_MAX, SYSCONF }, + { "CHAR_MIN", _SC_CHAR_MIN, SYSCONF }, + { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF }, + { "CLK_TCK", _SC_CLK_TCK, SYSCONF }, + { "INT_MAX", _SC_INT_MAX, SYSCONF }, + { "INT_MIN", _SC_INT_MIN, SYSCONF }, + { "IOV_MAX", _SC_UIO_MAXIOV, SYSCONF }, + { "LOGNAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF }, + { "LONG_BIT", _SC_LONG_BIT, SYSCONF }, + { "MB_LEN_MAX", _SC_MB_LEN_MAX, SYSCONF }, + { "NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF }, + { "NL_ARGMAX", _SC_NL_ARGMAX, SYSCONF }, + { "NL_LANGMAX", _SC_NL_LANGMAX, SYSCONF }, + { "NL_MSGMAX", _SC_NL_MSGMAX, SYSCONF }, + { "NL_NMAX", _SC_NL_NMAX, SYSCONF }, + { "NL_SETMAX", _SC_NL_SETMAX, SYSCONF }, + { "NL_TEXTMAX", _SC_NL_TEXTMAX, SYSCONF }, + { "NSS_BUFLEN_GROUP", _SC_GETGR_R_SIZE_MAX, SYSCONF }, + { "NSS_BUFLEN_PASSWD", _SC_GETPW_R_SIZE_MAX, SYSCONF }, + { "NZERO", _SC_NZERO, SYSCONF }, + { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF }, + { "PAGESIZE", _SC_PAGESIZE, SYSCONF }, + { "PAGE_SIZE", _SC_PAGESIZE, SYSCONF }, + { "PASS_MAX", _SC_PASS_MAX, SYSCONF }, + { "PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS, SYSCONF }, + { "PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX, SYSCONF }, + { "PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN, SYSCONF }, + { "PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX, SYSCONF }, + { "SCHAR_MAX", _SC_SCHAR_MAX, SYSCONF }, + { "SCHAR_MIN", _SC_SCHAR_MIN, SYSCONF }, + { "SHRT_MAX", _SC_SHRT_MAX, SYSCONF }, + { "SHRT_MIN", _SC_SHRT_MIN, SYSCONF }, + { "SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF }, + { "TTY_NAME_MAX", _SC_TTY_NAME_MAX, SYSCONF }, + { "TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF }, + { "UCHAR_MAX", _SC_UCHAR_MAX, SYSCONF }, + { "UINT_MAX", _SC_UINT_MAX, SYSCONF }, + { "UIO_MAXIOV", _SC_UIO_MAXIOV, SYSCONF }, + { "ULONG_MAX", _SC_ULONG_MAX, SYSCONF }, + { "USHRT_MAX", _SC_USHRT_MAX, SYSCONF }, + { "WORD_BIT", _SC_WORD_BIT, SYSCONF }, + { "_AVPHYS_PAGES", _SC_AVPHYS_PAGES, SYSCONF }, + { "_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF, SYSCONF }, + { "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, SYSCONF }, + { "_PHYS_PAGES", _SC_PHYS_PAGES, SYSCONF }, + { "_POSIX_ARG_MAX", _SC_ARG_MAX, SYSCONF }, + { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF }, + { "_POSIX_CHILD_MAX", _SC_CHILD_MAX, SYSCONF }, + { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF }, + { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF }, + { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF }, + { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF }, + { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF }, + { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF }, + { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF }, + { "_POSIX_NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF }, + { "_POSIX_OPEN_MAX", _SC_OPEN_MAX, SYSCONF }, + { "_POSIX_PII", _SC_PII, SYSCONF }, + { "_POSIX_PII_INTERNET", _SC_PII_INTERNET, SYSCONF }, + { "_POSIX_PII_INTERNET_DGRAM", _SC_PII_INTERNET_DGRAM, SYSCONF }, + { "_POSIX_PII_INTERNET_STREAM", _SC_PII_INTERNET_STREAM, SYSCONF }, + { "_POSIX_PII_OSI", _SC_PII_OSI, SYSCONF }, + { "_POSIX_PII_OSI_CLTS", _SC_PII_OSI_CLTS, SYSCONF }, + { "_POSIX_PII_OSI_COTS", _SC_PII_OSI_COTS, SYSCONF }, + { "_POSIX_PII_OSI_M", _SC_PII_OSI_M, SYSCONF }, + { "_POSIX_PII_SOCKET", _SC_PII_SOCKET, SYSCONF }, + { "_POSIX_PII_XTI", _SC_PII_XTI, SYSCONF }, + { "_POSIX_POLL", _SC_POLL, SYSCONF }, + { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF }, + { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF }, + { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF }, + { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF }, + { "_POSIX_SELECT", _SC_SELECT, SYSCONF }, + { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF }, + { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF }, + { "_POSIX_SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF }, + { "_POSIX_STREAM_MAX", _SC_STREAM_MAX, SYSCONF }, + { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF }, + { "_POSIX_THREADS", _SC_THREADS, SYSCONF }, + { "_POSIX_THREAD_ATTR_STACKADDR", _SC_THREAD_ATTR_STACKADDR, SYSCONF }, + { "_POSIX_THREAD_ATTR_STACKSIZE", _SC_THREAD_ATTR_STACKSIZE, SYSCONF }, + { "_POSIX_THREAD_PRIORITY_SCHEDULING", _SC_THREAD_PRIORITY_SCHEDULING, SYSCONF }, + { "_POSIX_THREAD_PRIO_INHERIT", _SC_THREAD_PRIO_INHERIT, SYSCONF }, + { "_POSIX_THREAD_PRIO_PROTECT", _SC_THREAD_PRIO_PROTECT, SYSCONF }, + { "_POSIX_THREAD_ROBUST_PRIO_INHERIT", _SC_THREAD_ROBUST_PRIO_INHERIT, + SYSCONF }, + { "_POSIX_THREAD_ROBUST_PRIO_PROTECT", _SC_THREAD_ROBUST_PRIO_PROTECT, + SYSCONF }, + { "_POSIX_THREAD_PROCESS_SHARED", _SC_THREAD_PROCESS_SHARED, SYSCONF }, + { "_POSIX_THREAD_SAFE_FUNCTIONS", _SC_THREAD_SAFE_FUNCTIONS, SYSCONF }, + { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF }, + { "TIMER_MAX", _SC_TIMER_MAX, SYSCONF }, + { "_POSIX_TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF }, + { "_POSIX_VERSION", _SC_VERSION, SYSCONF }, + { "_T_IOV_MAX", _SC_T_IOV_MAX, SYSCONF }, + { "_XOPEN_CRYPT", _SC_XOPEN_CRYPT, SYSCONF }, + { "_XOPEN_ENH_I18N", _SC_XOPEN_ENH_I18N, SYSCONF }, + { "_XOPEN_LEGACY", _SC_XOPEN_LEGACY, SYSCONF }, + { "_XOPEN_REALTIME", _SC_XOPEN_REALTIME, SYSCONF }, + { "_XOPEN_REALTIME_THREADS", _SC_XOPEN_REALTIME_THREADS, SYSCONF }, + { "_XOPEN_SHM", _SC_XOPEN_SHM, SYSCONF }, + { "_XOPEN_UNIX", _SC_XOPEN_UNIX, SYSCONF }, + { "_XOPEN_VERSION", _SC_XOPEN_VERSION, SYSCONF }, + { "_XOPEN_XCU_VERSION", _SC_XOPEN_XCU_VERSION, SYSCONF }, + { "_XOPEN_XPG2", _SC_XOPEN_XPG2, SYSCONF }, + { "_XOPEN_XPG3", _SC_XOPEN_XPG3, SYSCONF }, + { "_XOPEN_XPG4", _SC_XOPEN_XPG4, SYSCONF }, + /* POSIX.2 */ + { "BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF }, + { "BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF }, + { "BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF }, + { "BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF }, + { "CHARCLASS_NAME_MAX", _SC_CHARCLASS_NAME_MAX, SYSCONF }, + { "COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF }, + { "EQUIV_CLASS_MAX", _SC_EQUIV_CLASS_MAX, SYSCONF }, + { "EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF }, + { "LINE_MAX", _SC_LINE_MAX, SYSCONF }, + { "POSIX2_BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF }, + { "POSIX2_BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF }, + { "POSIX2_BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF }, + { "POSIX2_BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF }, + { "POSIX2_CHAR_TERM", _SC_2_CHAR_TERM, SYSCONF }, + { "POSIX2_COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF }, + { "POSIX2_C_BIND", _SC_2_C_BIND, SYSCONF }, + { "POSIX2_C_DEV", _SC_2_C_DEV, SYSCONF }, + { "POSIX2_C_VERSION", _SC_2_C_VERSION, SYSCONF }, + { "POSIX2_EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF }, + { "POSIX2_FORT_DEV", _SC_2_FORT_DEV, SYSCONF }, + { "POSIX2_FORT_RUN", _SC_2_FORT_RUN, SYSCONF }, + { "_POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF }, + { "POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF }, + { "POSIX2_LOCALEDEF", _SC_2_LOCALEDEF, SYSCONF }, + { "POSIX2_RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF }, + { "POSIX2_SW_DEV", _SC_2_SW_DEV, SYSCONF }, + { "POSIX2_UPE", _SC_2_UPE, SYSCONF }, + { "POSIX2_VERSION", _SC_2_VERSION, SYSCONF }, + { "RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF }, + + { "PATH", _CS_PATH, CONFSTR }, + { "CS_PATH", _CS_PATH, CONFSTR }, + + /* LFS */ + { "LFS_CFLAGS", _CS_LFS_CFLAGS, CONFSTR }, + { "LFS_LDFLAGS", _CS_LFS_LDFLAGS, CONFSTR }, + { "LFS_LIBS", _CS_LFS_LIBS, CONFSTR }, + { "LFS_LINTFLAGS", _CS_LFS_LINTFLAGS, CONFSTR }, + { "LFS64_CFLAGS", _CS_LFS64_CFLAGS, CONFSTR }, + { "LFS64_LDFLAGS", _CS_LFS64_LDFLAGS, CONFSTR }, + { "LFS64_LIBS", _CS_LFS64_LIBS, CONFSTR }, + { "LFS64_LINTFLAGS", _CS_LFS64_LINTFLAGS, CONFSTR }, + + /* Programming environments. */ + { "_XBS5_WIDTH_RESTRICTED_ENVS", _CS_V5_WIDTH_RESTRICTED_ENVS, CONFSTR }, + { "XBS5_WIDTH_RESTRICTED_ENVS", _CS_V5_WIDTH_RESTRICTED_ENVS, CONFSTR }, + + { "_XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32, SYSCONF }, + { "XBS5_ILP32_OFF32_CFLAGS", _CS_XBS5_ILP32_OFF32_CFLAGS, CONFSTR }, + { "XBS5_ILP32_OFF32_LDFLAGS", _CS_XBS5_ILP32_OFF32_LDFLAGS, CONFSTR }, + { "XBS5_ILP32_OFF32_LIBS", _CS_XBS5_ILP32_OFF32_LIBS, CONFSTR }, + { "XBS5_ILP32_OFF32_LINTFLAGS", _CS_XBS5_ILP32_OFF32_LINTFLAGS, CONFSTR }, + + { "_XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG, SYSCONF }, + { "XBS5_ILP32_OFFBIG_CFLAGS", _CS_XBS5_ILP32_OFFBIG_CFLAGS, CONFSTR }, + { "XBS5_ILP32_OFFBIG_LDFLAGS", _CS_XBS5_ILP32_OFFBIG_LDFLAGS, CONFSTR }, + { "XBS5_ILP32_OFFBIG_LIBS", _CS_XBS5_ILP32_OFFBIG_LIBS, CONFSTR }, + { "XBS5_ILP32_OFFBIG_LINTFLAGS", _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, CONFSTR }, + + { "_XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64, SYSCONF }, + { "XBS5_LP64_OFF64_CFLAGS", _CS_XBS5_LP64_OFF64_CFLAGS, CONFSTR }, + { "XBS5_LP64_OFF64_LDFLAGS", _CS_XBS5_LP64_OFF64_LDFLAGS, CONFSTR }, + { "XBS5_LP64_OFF64_LIBS", _CS_XBS5_LP64_OFF64_LIBS, CONFSTR }, + { "XBS5_LP64_OFF64_LINTFLAGS", _CS_XBS5_LP64_OFF64_LINTFLAGS, CONFSTR }, + + { "_XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG, SYSCONF }, + { "XBS5_LPBIG_OFFBIG_CFLAGS", _CS_XBS5_LPBIG_OFFBIG_CFLAGS, CONFSTR }, + { "XBS5_LPBIG_OFFBIG_LDFLAGS", _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, CONFSTR }, + { "XBS5_LPBIG_OFFBIG_LIBS", _CS_XBS5_LPBIG_OFFBIG_LIBS, CONFSTR }, + { "XBS5_LPBIG_OFFBIG_LINTFLAGS", _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, CONFSTR }, + + { "_POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32, SYSCONF }, + { "POSIX_V6_ILP32_OFF32_CFLAGS", _CS_POSIX_V6_ILP32_OFF32_CFLAGS, CONFSTR }, + { "POSIX_V6_ILP32_OFF32_LDFLAGS", _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, CONFSTR }, + { "POSIX_V6_ILP32_OFF32_LIBS", _CS_POSIX_V6_ILP32_OFF32_LIBS, CONFSTR }, + { "POSIX_V6_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS, CONFSTR }, + + { "_POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR }, + { "POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR }, + + { "_POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG, SYSCONF }, + { "POSIX_V6_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, CONFSTR }, + { "POSIX_V6_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, CONFSTR }, + { "POSIX_V6_ILP32_OFFBIG_LIBS", _CS_POSIX_V6_ILP32_OFFBIG_LIBS, CONFSTR }, + { "POSIX_V6_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS, CONFSTR }, + + { "_POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64, SYSCONF }, + { "POSIX_V6_LP64_OFF64_CFLAGS", _CS_POSIX_V6_LP64_OFF64_CFLAGS, CONFSTR }, + { "POSIX_V6_LP64_OFF64_LDFLAGS", _CS_POSIX_V6_LP64_OFF64_LDFLAGS, CONFSTR }, + { "POSIX_V6_LP64_OFF64_LIBS", _CS_POSIX_V6_LP64_OFF64_LIBS, CONFSTR }, + { "POSIX_V6_LP64_OFF64_LINTFLAGS", _CS_POSIX_V6_LP64_OFF64_LINTFLAGS, CONFSTR }, + + { "_POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG, SYSCONF }, + { "POSIX_V6_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, CONFSTR }, + { "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, CONFSTR }, + { "POSIX_V6_LPBIG_OFFBIG_LIBS", _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, CONFSTR }, + { "POSIX_V6_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS, CONFSTR }, + + { "_POSIX_V7_ILP32_OFF32", _SC_V7_ILP32_OFF32, SYSCONF }, + { "POSIX_V7_ILP32_OFF32_CFLAGS", _CS_POSIX_V7_ILP32_OFF32_CFLAGS, CONFSTR }, + { "POSIX_V7_ILP32_OFF32_LDFLAGS", _CS_POSIX_V7_ILP32_OFF32_LDFLAGS, CONFSTR }, + { "POSIX_V7_ILP32_OFF32_LIBS", _CS_POSIX_V7_ILP32_OFF32_LIBS, CONFSTR }, + { "POSIX_V7_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS, CONFSTR }, + + { "_POSIX_V7_WIDTH_RESTRICTED_ENVS", _CS_V7_WIDTH_RESTRICTED_ENVS, CONFSTR }, + { "POSIX_V7_WIDTH_RESTRICTED_ENVS", _CS_V7_WIDTH_RESTRICTED_ENVS, CONFSTR }, + + { "_POSIX_V7_ILP32_OFFBIG", _SC_V7_ILP32_OFFBIG, SYSCONF }, + { "POSIX_V7_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS, CONFSTR }, + { "POSIX_V7_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS, CONFSTR }, + { "POSIX_V7_ILP32_OFFBIG_LIBS", _CS_POSIX_V7_ILP32_OFFBIG_LIBS, CONFSTR }, + { "POSIX_V7_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS, CONFSTR }, + + { "_POSIX_V7_LP64_OFF64", _SC_V7_LP64_OFF64, SYSCONF }, + { "POSIX_V7_LP64_OFF64_CFLAGS", _CS_POSIX_V7_LP64_OFF64_CFLAGS, CONFSTR }, + { "POSIX_V7_LP64_OFF64_LDFLAGS", _CS_POSIX_V7_LP64_OFF64_LDFLAGS, CONFSTR }, + { "POSIX_V7_LP64_OFF64_LIBS", _CS_POSIX_V7_LP64_OFF64_LIBS, CONFSTR }, + { "POSIX_V7_LP64_OFF64_LINTFLAGS", _CS_POSIX_V7_LP64_OFF64_LINTFLAGS, CONFSTR }, + + { "_POSIX_V7_LPBIG_OFFBIG", _SC_V7_LPBIG_OFFBIG, SYSCONF }, + { "POSIX_V7_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS, CONFSTR }, + { "POSIX_V7_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS, CONFSTR }, + { "POSIX_V7_LPBIG_OFFBIG_LIBS", _CS_POSIX_V7_LPBIG_OFFBIG_LIBS, CONFSTR }, + { "POSIX_V7_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS, CONFSTR }, + + { "_POSIX_ADVISORY_INFO", _SC_ADVISORY_INFO, SYSCONF }, + { "_POSIX_BARRIERS", _SC_BARRIERS, SYSCONF }, + { "_POSIX_BASE", _SC_BASE, SYSCONF }, + { "_POSIX_C_LANG_SUPPORT", _SC_C_LANG_SUPPORT, SYSCONF }, + { "_POSIX_C_LANG_SUPPORT_R", _SC_C_LANG_SUPPORT_R, SYSCONF }, + { "_POSIX_CLOCK_SELECTION", _SC_CLOCK_SELECTION, SYSCONF }, + { "_POSIX_CPUTIME", _SC_CPUTIME, SYSCONF }, + { "_POSIX_THREAD_CPUTIME", _SC_THREAD_CPUTIME, SYSCONF }, + { "_POSIX_DEVICE_SPECIFIC", _SC_DEVICE_SPECIFIC, SYSCONF }, + { "_POSIX_DEVICE_SPECIFIC_R", _SC_DEVICE_SPECIFIC_R, SYSCONF }, + { "_POSIX_FD_MGMT", _SC_FD_MGMT, SYSCONF }, + { "_POSIX_FIFO", _SC_FIFO, SYSCONF }, + { "_POSIX_PIPE", _SC_PIPE, SYSCONF }, + { "_POSIX_FILE_ATTRIBUTES", _SC_FILE_ATTRIBUTES, SYSCONF }, + { "_POSIX_FILE_LOCKING", _SC_FILE_LOCKING, SYSCONF }, + { "_POSIX_FILE_SYSTEM", _SC_FILE_SYSTEM, SYSCONF }, + { "_POSIX_MONOTONIC_CLOCK", _SC_MONOTONIC_CLOCK, SYSCONF }, + { "_POSIX_MULTI_PROCESS", _SC_MULTI_PROCESS, SYSCONF }, + { "_POSIX_SINGLE_PROCESS", _SC_SINGLE_PROCESS, SYSCONF }, + { "_POSIX_NETWORKING", _SC_NETWORKING, SYSCONF }, + { "_POSIX_READER_WRITER_LOCKS", _SC_READER_WRITER_LOCKS, SYSCONF }, + { "_POSIX_SPIN_LOCKS", _SC_SPIN_LOCKS, SYSCONF }, + { "_POSIX_REGEXP", _SC_REGEXP, SYSCONF }, + { "_REGEX_VERSION", _SC_REGEX_VERSION, SYSCONF }, + { "_POSIX_SHELL", _SC_SHELL, SYSCONF }, + { "_POSIX_SIGNALS", _SC_SIGNALS, SYSCONF }, + { "_POSIX_SPAWN", _SC_SPAWN, SYSCONF }, + { "_POSIX_SPORADIC_SERVER", _SC_SPORADIC_SERVER, SYSCONF }, + { "_POSIX_THREAD_SPORADIC_SERVER", _SC_THREAD_SPORADIC_SERVER, SYSCONF }, + { "_POSIX_SYSTEM_DATABASE", _SC_SYSTEM_DATABASE, SYSCONF }, + { "_POSIX_SYSTEM_DATABASE_R", _SC_SYSTEM_DATABASE_R, SYSCONF }, + { "_POSIX_TIMEOUTS", _SC_TIMEOUTS, SYSCONF }, + { "_POSIX_TYPED_MEMORY_OBJECTS", _SC_TYPED_MEMORY_OBJECTS, SYSCONF }, + { "_POSIX_USER_GROUPS", _SC_USER_GROUPS, SYSCONF }, + { "_POSIX_USER_GROUPS_R", _SC_USER_GROUPS_R, SYSCONF }, + { "POSIX2_PBS", _SC_2_PBS, SYSCONF }, + { "POSIX2_PBS_ACCOUNTING", _SC_2_PBS_ACCOUNTING, SYSCONF }, + { "POSIX2_PBS_LOCATE", _SC_2_PBS_LOCATE, SYSCONF }, + { "POSIX2_PBS_TRACK", _SC_2_PBS_TRACK, SYSCONF }, + { "POSIX2_PBS_MESSAGE", _SC_2_PBS_MESSAGE, SYSCONF }, + { "SYMLOOP_MAX", _SC_SYMLOOP_MAX, SYSCONF }, + { "STREAM_MAX", _SC_STREAM_MAX, SYSCONF }, + { "AIO_LISTIO_MAX", _SC_AIO_LISTIO_MAX, SYSCONF }, + { "AIO_MAX", _SC_AIO_MAX, SYSCONF }, + { "AIO_PRIO_DELTA_MAX", _SC_AIO_PRIO_DELTA_MAX, SYSCONF }, + { "DELAYTIMER_MAX", _SC_DELAYTIMER_MAX, SYSCONF }, + { "HOST_NAME_MAX", _SC_HOST_NAME_MAX, SYSCONF }, + { "LOGIN_NAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF }, + { "MQ_OPEN_MAX", _SC_MQ_OPEN_MAX, SYSCONF }, + { "MQ_PRIO_MAX", _SC_MQ_PRIO_MAX, SYSCONF }, + { "_POSIX_DEVICE_IO", _SC_DEVICE_IO, SYSCONF }, + { "_POSIX_TRACE", _SC_TRACE, SYSCONF }, + { "_POSIX_TRACE_EVENT_FILTER", _SC_TRACE_EVENT_FILTER, SYSCONF }, + { "_POSIX_TRACE_INHERIT", _SC_TRACE_INHERIT, SYSCONF }, + { "_POSIX_TRACE_LOG", _SC_TRACE_LOG, SYSCONF }, + { "RTSIG_MAX", _SC_RTSIG_MAX, SYSCONF }, + { "SEM_NSEMS_MAX", _SC_SEM_NSEMS_MAX, SYSCONF }, + { "SEM_VALUE_MAX", _SC_SEM_VALUE_MAX, SYSCONF }, + { "SIGQUEUE_MAX", _SC_SIGQUEUE_MAX, SYSCONF }, + { "FILESIZEBITS", _PC_FILESIZEBITS, PATHCONF }, + { "POSIX_ALLOC_SIZE_MIN", _PC_ALLOC_SIZE_MIN, PATHCONF }, + { "POSIX_REC_INCR_XFER_SIZE", _PC_REC_INCR_XFER_SIZE, PATHCONF }, + { "POSIX_REC_MAX_XFER_SIZE", _PC_REC_MAX_XFER_SIZE, PATHCONF }, + { "POSIX_REC_MIN_XFER_SIZE", _PC_REC_MIN_XFER_SIZE, PATHCONF }, + { "POSIX_REC_XFER_ALIGN", _PC_REC_XFER_ALIGN, PATHCONF }, + { "SYMLINK_MAX", _PC_SYMLINK_MAX, PATHCONF }, + { "GNU_LIBC_VERSION", _CS_GNU_LIBC_VERSION, CONFSTR }, + { "GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION, CONFSTR }, + { "POSIX2_SYMLINKS", _PC_2_SYMLINKS, PATHCONF }, + + { "LEVEL1_ICACHE_SIZE", _SC_LEVEL1_ICACHE_SIZE, SYSCONF }, + { "LEVEL1_ICACHE_ASSOC", _SC_LEVEL1_ICACHE_ASSOC, SYSCONF }, + { "LEVEL1_ICACHE_LINESIZE", _SC_LEVEL1_ICACHE_LINESIZE, SYSCONF }, + { "LEVEL1_DCACHE_SIZE", _SC_LEVEL1_DCACHE_SIZE, SYSCONF }, + { "LEVEL1_DCACHE_ASSOC", _SC_LEVEL1_DCACHE_ASSOC, SYSCONF }, + { "LEVEL1_DCACHE_LINESIZE", _SC_LEVEL1_DCACHE_LINESIZE, SYSCONF }, + { "LEVEL2_CACHE_SIZE", _SC_LEVEL2_CACHE_SIZE, SYSCONF }, + { "LEVEL2_CACHE_ASSOC", _SC_LEVEL2_CACHE_ASSOC, SYSCONF }, + { "LEVEL2_CACHE_LINESIZE", _SC_LEVEL2_CACHE_LINESIZE, SYSCONF }, + { "LEVEL3_CACHE_SIZE", _SC_LEVEL3_CACHE_SIZE, SYSCONF }, + { "LEVEL3_CACHE_ASSOC", _SC_LEVEL3_CACHE_ASSOC, SYSCONF }, + { "LEVEL3_CACHE_LINESIZE", _SC_LEVEL3_CACHE_LINESIZE, SYSCONF }, + { "LEVEL4_CACHE_SIZE", _SC_LEVEL4_CACHE_SIZE, SYSCONF }, + { "LEVEL4_CACHE_ASSOC", _SC_LEVEL4_CACHE_ASSOC, SYSCONF }, + { "LEVEL4_CACHE_LINESIZE", _SC_LEVEL4_CACHE_LINESIZE, SYSCONF }, + + { "IPV6", _SC_IPV6, SYSCONF }, + { "RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF }, + + { "_POSIX_IPV6", _SC_IPV6, SYSCONF }, + { "_POSIX_RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF }, + + { NULL, 0, SYSCONF } + }; + + +extern const char *__progname; + + +static void +usage (void) +{ + fprintf (stderr, + _("Usage: %s [-v specification] variable_name [pathname]\n"), + __progname); + fprintf (stderr, + _(" %s -a [pathname]\n"), __progname); + exit (2); +} + + +static void +print_all (const char *path) +{ + const struct conf *c; + size_t clen; + long int value; + char *cvalue; + for (c = vars; c->name != NULL; ++c) { + printf("%-35s", c->name); + switch (c->call) { + case PATHCONF: + value = pathconf (path, c->call_name); + if (value != -1) { + printf("%ld", value); + } + printf("\n"); + break; + case SYSCONF: + value = sysconf (c->call_name); + if (value == -1l) { + if (c->call_name == _SC_UINT_MAX + || c->call_name == _SC_ULONG_MAX) + printf ("%lu", value); + } + else { + printf ("%ld", value); + } + printf ("\n"); + break; + case CONFSTR: + clen = confstr (c->call_name, (char *) NULL, 0); + cvalue = (char *) malloc (clen); + if (cvalue == NULL) + error (3, 0, _("memory exhausted")); + if (confstr (c->call_name, cvalue, clen) != clen) + error (3, errno, "confstr"); + printf ("%.*s\n", (int) clen, cvalue); + free (cvalue); + break; + } + } + exit (0); +} + +int +main (int argc, char *argv[]) +{ + const struct conf *c; + + /* Set locale. Do not set LC_ALL because the other categories must + not be affected (according to POSIX.2). */ + setlocale (LC_CTYPE, ""); + setlocale (LC_MESSAGES, ""); + + /* Initialize the message catalog. */ + textdomain (PACKAGE); + + if (argc > 1 && strcmp (argv[1], "--version") == 0) + { + printf ("getconf %s%s\n", PKGVERSION, VERSION); + printf (gettext ("\ +Copyright (C) %s Free Software Foundation, Inc.\n\ +This is free software; see the source for copying conditions. There is NO\n\ +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ +"), "2017"); + printf (gettext ("Written by %s.\n"), "Roland McGrath"); + return 0; + } + + if (argc > 1 && strcmp (argv[1], "--help") == 0) + { + printf (gettext ("\ +Usage: getconf [-v SPEC] VAR\n\ + or: getconf [-v SPEC] PATH_VAR PATH\n\ +\n\ +Get the configuration value for variable VAR, or for variable PATH_VAR\n\ +for path PATH. If SPEC is given, give values for compilation\n\ +environment SPEC.\n\n")); + printf (gettext ("For bug reporting instructions, please see:\n\ +%s.\n"), REPORT_BUGS_TO); + return 0; + } + +#ifdef ALL_ENVIRONMENTS_DEFINED + if (argc > 1 && strncmp (argv[1], "-v", 2) == 0) + { + if (argv[1][2] == '\0') + { + if (argc < 3) + usage (); + + argv += 2; + argc -= 2; + } + else + { + argv += 1; + argc += 1; + } + } +#else + const char *getconf_dir = getenv ("GETCONF_DIR") ?: GETCONF_DIR; + size_t getconf_dirlen = strlen (getconf_dir); + + const char *spec = NULL; + char buf[sizeof "POSIX_V6_LPBIG_OFFBIG"]; + char *argv0 = argv[0]; + if (argc > 1 && strncmp (argv[1], "-v", 2) == 0) + { + if (argv[1][2] == '\0') + { + if (argc < 3) + usage (); + + spec = argv[2]; + argv += 2; + argc -= 2; + } + else + { + spec = &argv[1][2]; + argv += 1; + argc += 1; + } + } + else + { + char default_name[getconf_dirlen + sizeof "/default"]; + memcpy (mempcpy (default_name, getconf_dir, getconf_dirlen), + "/default", sizeof "/default"); + int len = readlink (default_name, buf, sizeof buf - 1); + if (len > 0) + { + buf[len] = '\0'; + spec = buf; + } + } + + /* Check for the specifications we know. */ + if (spec != NULL) + { + size_t i; + for (i = 0; i < nspecs; ++i) + if (strcmp (spec, specs[i].name) == 0) + break; + + if (i == nspecs) + error (2, 0, _("unknown specification \"%s\""), spec); + + switch (specs[i].num) + { +# ifndef _XBS5_ILP32_OFF32 + case _SC_XBS5_ILP32_OFF32: +# endif +# ifndef _XBS5_ILP32_OFFBIG + case _SC_XBS5_ILP32_OFFBIG: +# endif +# ifndef _XBS5_LP64_OFF64 + case _SC_XBS5_LP64_OFF64: +# endif +# ifndef _XBS5_LPBIG_OFFBIG + case _SC_XBS5_LPBIG_OFFBIG: +# endif +# ifndef _POSIX_V6_ILP32_OFF32 + case _SC_V6_ILP32_OFF32: +# endif +# ifndef _POSIX_V6_ILP32_OFFBIG + case _SC_V6_ILP32_OFFBIG: +# endif +# ifndef _POSIX_V6_LP64_OFF64 + case _SC_V6_LP64_OFF64: +# endif +# ifndef _POSIX_V6_LPBIG_OFFBIG + case _SC_V6_LPBIG_OFFBIG: +# endif +# ifndef _POSIX_V7_ILP32_OFF32 + case _SC_V7_ILP32_OFF32: +# endif +# ifndef _POSIX_V7_ILP32_OFFBIG + case _SC_V7_ILP32_OFFBIG: +# endif +# ifndef _POSIX_V7_LP64_OFF64 + case _SC_V7_LP64_OFF64: +# endif +# ifndef _POSIX_V7_LPBIG_OFFBIG + case _SC_V7_LPBIG_OFFBIG: +# endif + { + const char *args[argc + 3]; + size_t spec_len = strlen (spec); + char getconf_name[getconf_dirlen + 1 + spec_len + 1]; + memcpy (mempcpy (mempcpy (getconf_name, getconf_dir, + getconf_dirlen), + "/", 1), spec, spec_len + 1); + args[0] = argv0; + args[1] = "-v"; + args[2] = spec; + memcpy (&args[3], &argv[1], argc * sizeof (argv[1])); + execv (getconf_name, (char * const *) args); + error (4, errno, _("Couldn't execute %s"), getconf_name); + } + default: + break; + } + } +#endif + + if (argc > 1 && strcmp (argv[1], "-a") == 0) + { + if (argc == 2) + print_all ("/"); + else if (argc == 3) + print_all (argv[2]); + else + usage (); + } + + int ai = 1; + if (argc > ai && strcmp (argv[ai], "--") == 0) + ++ai; + + if (argc - ai < 1 || argc - ai > 2) + usage (); + + for (c = vars; c->name != NULL; ++c) + if (strcmp (c->name, argv[ai]) == 0 + || (strncmp (c->name, "_POSIX_", 7) == 0 + && strcmp (c->name + 7, argv[ai]) == 0)) + { + long int value; + size_t clen; + char *cvalue; + switch (c->call) + { + case PATHCONF: + if (argc - ai < 2) + usage (); + errno = 0; + value = pathconf (argv[ai + 1], c->call_name); + if (value == -1) + { + if (errno) + error (3, errno, "pathconf: %s", argv[ai + 1]); + else + puts (_("undefined")); + } + else + printf ("%ld\n", value); + exit (0); + + case SYSCONF: + if (argc - ai > 1) + usage (); + value = sysconf (c->call_name); + if (value == -1l) + { + if (c->call_name == _SC_UINT_MAX + || c->call_name == _SC_ULONG_MAX) + printf ("%lu\n", value); + else + puts (_("undefined")); + } + else + printf ("%ld\n", value); + exit (0); + + case CONFSTR: + if (argc - ai > 1) + usage (); + clen = confstr (c->call_name, (char *) NULL, 0); + cvalue = (char *) malloc (clen); + if (cvalue == NULL) + error (3, 0, _("memory exhausted")); + + if (confstr (c->call_name, cvalue, clen) != clen) + error (3, errno, "confstr"); + + printf ("%.*s\n", (int) clen, cvalue); + exit (0); + } + } + + error (2, 0, _("Unrecognized variable `%s'"), argv[ai]); + /* NOTREACHED */ + return 2; +} |