struct conf
{
const char *name;
- const int call_name;
- const enum { SYSCONF, CONFSTR, PATHCONF } call;
+ const long int call_name;
+ const enum { SYSCONF, CONFSTR, PATHCONF, LIMITS_H } 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 },
{ "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, 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_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_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_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 },
{ "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 },
{ "_POSIX_IPV6", _SC_IPV6, SYSCONF },
{ "_POSIX_RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF },
+ /* limits.h symbolic constants. */
+#define DEF_LIMIT_H(name) { #name, name, LIMITS_H }
+ /* Maximum Values. */
+ DEF_LIMIT_H (_POSIX_CLOCKRES_MIN),
+
+ /* Minimum Values. */
+ DEF_LIMIT_H (_POSIX_AIO_LISTIO_MAX),
+ DEF_LIMIT_H (_POSIX_AIO_MAX),
+ DEF_LIMIT_H (_POSIX_ARG_MAX),
+ DEF_LIMIT_H (_POSIX_CHILD_MAX),
+ DEF_LIMIT_H (_POSIX_DELAYTIMER_MAX),
+ DEF_LIMIT_H (_POSIX_HOST_NAME_MAX),
+ DEF_LIMIT_H (_POSIX_LINK_MAX),
+ DEF_LIMIT_H (_POSIX_LOGIN_NAME_MAX),
+ DEF_LIMIT_H (_POSIX_MAX_CANON),
+ DEF_LIMIT_H (_POSIX_MAX_INPUT),
+ DEF_LIMIT_H (_POSIX_MQ_OPEN_MAX),
+ DEF_LIMIT_H (_POSIX_MQ_PRIO_MAX),
+ DEF_LIMIT_H (_POSIX_NAME_MAX),
+ DEF_LIMIT_H (_POSIX_NGROUPS_MAX),
+ DEF_LIMIT_H (_POSIX_OPEN_MAX),
+ DEF_LIMIT_H (_POSIX_PATH_MAX),
+ DEF_LIMIT_H (_POSIX_PIPE_BUF),
+ DEF_LIMIT_H (_POSIX_RE_DUP_MAX),
+ DEF_LIMIT_H (_POSIX_RTSIG_MAX),
+ DEF_LIMIT_H (_POSIX_SEM_NSEMS_MAX),
+ DEF_LIMIT_H (_POSIX_SEM_VALUE_MAX),
+ DEF_LIMIT_H (_POSIX_SIGQUEUE_MAX),
+ DEF_LIMIT_H (_POSIX_SSIZE_MAX),
+ DEF_LIMIT_H (_POSIX_STREAM_MAX),
+ DEF_LIMIT_H (_POSIX_SYMLINK_MAX),
+ DEF_LIMIT_H (_POSIX_SYMLOOP_MAX),
+ DEF_LIMIT_H (_POSIX_THREAD_DESTRUCTOR_ITERATIONS),
+ DEF_LIMIT_H (_POSIX_THREAD_KEYS_MAX),
+ DEF_LIMIT_H (_POSIX_THREAD_THREADS_MAX),
+ DEF_LIMIT_H (_POSIX_TIMER_MAX),
+ DEF_LIMIT_H (_POSIX_TTY_NAME_MAX),
+ DEF_LIMIT_H (_POSIX_TZNAME_MAX),
+
+ DEF_LIMIT_H (_POSIX2_BC_BASE_MAX),
+ DEF_LIMIT_H (_POSIX2_BC_DIM_MAX),
+ DEF_LIMIT_H (_POSIX2_BC_SCALE_MAX),
+ DEF_LIMIT_H (_POSIX2_BC_STRING_MAX),
+ DEF_LIMIT_H (_POSIX2_CHARCLASS_NAME_MAX),
+ DEF_LIMIT_H (_POSIX2_COLL_WEIGHTS_MAX),
+ DEF_LIMIT_H (_POSIX2_EXPR_NEST_MAX),
+ DEF_LIMIT_H (_POSIX2_LINE_MAX),
+ DEF_LIMIT_H (_POSIX2_RE_DUP_MAX),
+
+ DEF_LIMIT_H (_XOPEN_IOV_MAX),
+
+ /* GNU extensions. */
+ DEF_LIMIT_H (_POSIX_FD_SETSIZE),
+ DEF_LIMIT_H (_POSIX_HIWAT),
+ DEF_LIMIT_H (_POSIX_QLIMIT),
+ DEF_LIMIT_H (_POSIX_UIO_MAXIOV),
+
{ NULL, 0, SYSCONF }
};
long int value;
char *cvalue;
for (c = vars; c->name != NULL; ++c) {
- printf("%-35s", c->name);
+ printf("%-36s", c->name);
switch (c->call) {
case PATHCONF:
value = pathconf (path, c->call_name);
printf ("%.*s\n", (int) clen, cvalue);
free (cvalue);
break;
+ case LIMITS_H:
+ printf ("%ld\n", c->call_name);
+ break;
}
}
exit (0);
printf ("%.*s\n", (int) clen, cvalue);
exit (0);
+
+ case LIMITS_H:
+ if (argc - ai > 1)
+ usage ();
+ printf ("%ld\n", c->call_name);
+ exit (0);
}
}
--- /dev/null
+#!/usr/bin/python3
+#
+# Test if getconf returns the symbolic constants defined in limits.h.
+# Copyright (C) 2025 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 Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, see
+# <https://www.gnu.org/licenses/>.
+
+import argparse
+import glibcextract
+import subprocess
+import sys
+
+
+def parse_getconf(cmd):
+ getconf_out = subprocess.run(cmd + ['-a'], stdout=subprocess.PIPE,
+ check=True, universal_newlines=True).stdout
+ getconf_set = {}
+ for line in getconf_out.splitlines():
+ fields = line.split()
+ if len(fields) == 2:
+ getconf_set[fields[0]] = fields[1]
+ return getconf_set
+
+
+def main():
+ """The main entry point."""
+ parser = argparse.ArgumentParser(
+ description='Test if getconf returns the symbolic constants defined '
+ 'in limits.h.')
+ parser.add_argument('--cc', metavar='CC',
+ help='C compiler (including options) to use')
+ parser.add_argument('cmd',
+ help='How to run getconf')
+ args = parser.parse_args()
+
+ ctes = glibcextract.compute_macro_consts(
+ source_text='#include <limits.h>\n',
+ cc=args.cc,
+ macro_re='_POSIX.*',
+ exclude_re='_POSIX_C_SOURCE|_POSIX_SOURCE')
+
+ getconf_ctes = parse_getconf (args.cmd.split())
+
+ ret = 0
+ for cte,value in ctes.items():
+ if cte in getconf_ctes:
+ if getconf_ctes[cte] != value:
+ print('Symbol {} is defined as {} on limits.h but getconf shows {}'
+ .format(cte, value, getconf_ctes[cte]))
+ ret = 1
+ else:
+ print('Symbol {} not presented in getconf'.format(cte))
+ ret = 1
+ sys.exit(ret)
+
+
+if __name__ == '__main__':
+ main()
projects / thirdparty / glibc.git / commitdiff
