Hello, getconf. This is a slight reinvention of the

wheel^H^H^H^H^HPOSIX.2 and X/Open utility, and rather
more complicated than necessary.

1 files changed, 221 insertions, 0 deletions

diff --git a/usr.bin/getconf/sysconf.gperf b/usr.bin/getconf/sysconf.gperf
new file mode 100644
index 0000000..10e0204
--- /dev/null
+++ b/usr.bin/getconf/sysconf.gperf
@@ -0,0 +1,221 @@
+%{
+/*
+ * Copyright is disclaimed as to the contents of this file.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/types.h>
+
+#include <limits.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "getconf.h"
+
+/*
+ * Stuff that isn't defined right now -- we want this file to work
+ * unmodified once it is defined.
+ */
+#ifndef _SC_ATEXIT_MAX
+#define	_SC_ATEXIT_MAX	-1
+#endif
+#ifndef _SC_TTY_NAME_MAX
+#define	_SC_TTY_NAME_MAX	-1
+#endif
+#ifndef _SC_MQ_PRIO_MAX
+#define	_SC_MQ_PRIO_MAX	-1
+#endif
+#ifndef _SC_IOV_MAX
+#define _SC_IOV_MAX	-1
+#endif
+#ifndef	_SC_XOPEN_REALTIME
+#define	_SC_XOPEN_REALTIME	-1
+#endif
+#ifndef	_SC_XOPEN_LEGACY
+#define	_SC_XOPEN_LEGACY	-1
+#endif
+#ifndef	_SC_XCU_VERSION
+#define	_SC_XCU_VERSION	-1
+#endif
+#ifndef	_SC_PASS_MAX
+#define	_SC_PASS_MAX	-1
+#endif
+#ifndef	_SC_XOPEN_REALTIME_THREADS
+#define	_SC_XOPEN_REALTIME_THREADS	-1
+#endif
+#ifndef	_SC_LOGIN_NAME_MAX
+#define	_SC_LOGIN_NAME_MAX	-1
+#endif
+#ifndef	_SC_XBS5_LP64_OFF64
+#define	_SC_XBS5_LP64_OFF64	-1
+#endif
+#ifndef	_SC_XOPEN_SHM
+#define	_SC_XOPEN_SHM	-1
+#endif
+#ifndef	_SC_XOPEN_CRYPT
+#define	_SC_XOPEN_CRYPT	-1
+#endif
+#ifndef	_SC_XOPEN_UNIX
+#define	_SC_XOPEN_UNIX	-1
+#endif
+#ifndef	_SC_XOPEN_VERSION
+#define	_SC_XOPEN_VERSION	-1
+#endif
+#ifndef	_SC_THREAD_DESTRUCTOR_ITERATIONS
+#define	_SC_THREAD_DESTRUCTOR_ITERATIONS	-1
+#endif
+#ifndef	_SC_THREAD_KEYS_MAX
+#define	_SC_THREAD_KEYS_MAX	-1
+#endif
+#ifndef	_SC_2_C_VERSION
+#define	_SC_2_C_VERSION	-1
+#endif
+#ifndef	_SC_XBS5_LPBIG_OFFBIG
+#define	_SC_XBS5_LPBIG_OFFBIG	-1
+#endif
+#ifndef	_SC_THREAD_THREADS_MAX
+#define	_SC_THREAD_THREADS_MAX	-1
+#endif
+#ifndef	_SC_XBS5_ILP32_OFF32
+#define	_SC_XBS5_ILP32_OFF32	-1
+#endif
+#ifndef	_SC_XBS5_ILP32_OFFBIG
+#define	_SC_XBS5_ILP32_OFFBIG	-1
+#endif
+#ifndef	_SC_THREAD_STACK_MIN
+#define	_SC_THREAD_STACK_MIN	-1
+#endif
+#ifndef	_SC_XOPEN_ENH_I18N
+#define	_SC_XOPEN_ENH_I18N	-1
+#endif
+#ifndef	_SC_THREAD_ATTR_STACKSIZE
+#define	_SC_THREAD_ATTR_STACKSIZE	-1
+#endif
+#ifndef	_SC_THREAD_PRIORITY_SCHEDULING
+#define	_SC_THREAD_PRIORITY_SCHEDULING	-1
+#endif
+#ifndef	_SC_THREADS
+#define	_SC_THREADS	-1
+#endif
+#ifndef	_SC_THREAD_PROCESS_SHARED
+#define	_SC_THREAD_PROCESS_SHARED	-1
+#endif
+#ifndef	_SC_THREAD_SAFE_FUNCTIONS
+#define	_SC_THREAD_SAFE_FUNCTIONS	-1
+#endif
+#ifndef	_SC_THREAD_PRIO_PROTECT
+#define	_SC_THREAD_PRIO_PROTECT	-1
+#endif
+#ifndef	_SC_THREAD_ATTR_STACKADDR
+#define	_SC_THREAD_ATTR_STACKADDR	-1
+#endif
+#ifndef	_SC_THREAD_PRIO_INHERIT
+#define	_SC_THREAD_PRIO_INHERIT	-1
+#endif
+
+/*
+ * Override gperf's built-in external scope.
+ */
+static const struct map *in_word_set(const char *str, unsigned int len);
+
+%}
+struct map { char *name; int key; };
+%%
+AIO_LISTIO_MAX, _SC_AIO_LISTIO_MAX
+AIO_MAX, _SC_AIO_MAX
+AIO_PRIO_DELTA_MAX, _SC_AIO_PRIO_DELTA_MAX
+ARG_MAX, _SC_ARG_MAX
+ATEXIT_MAX, _SC_ATEXIT_MAX
+BC_BASE_MAX, _SC_BC_BASE_MAX
+BC_DIM_MAX, _SC_BC_DIM_MAX
+BC_SCALE_MAX, _SC_BC_SCALE_MAX
+BC_STRING_MAX, _SC_BC_STRING_MAX
+CHILD_MAX, _SC_CHILD_MAX
+CLK_TCK, _SC_CLK_TCK
+COLL_WEIGHTS_MAX, _SC_COLL_WEIGHTS_MAX
+DELAYTIMER_MAX, _SC_DELAYTIMER_MAX
+EXPR_NEST_MAX, _SC_EXPR_NEST_MAX
+IOV_MAX, _SC_IOV_MAX
+LINE_MAX, _SC_LINE_MAX
+LOGIN_NAME_MAX, _SC_LOGIN_NAME_MAX 
+MQ_OPEN_MAX, _SC_MQ_OPEN_MAX
+MQ_PRIO_MAX, _SC_MQ_PRIO_MAX
+NGROUPS_MAX, _SC_NGROUPS_MAX
+OPEN_MAX, _SC_OPEN_MAX
+PAGESIZE, _SC_PAGESIZE
+PAGE_SIZE, _SC_PAGESIZE
+PASS_MAX, _SC_PASS_MAX
+PTHREAD_DESTRUCTOR_ITERATIONS, _SC_THREAD_DESTRUCTOR_ITERATIONS 
+PTHREAD_KEYS_MAX, _SC_THREAD_KEYS_MAX 
+PTHREAD_STACK_MIN, _SC_THREAD_STACK_MIN 
+PTHREAD_THREADS_MAX, _SC_THREAD_THREADS_MAX 
+RE_DUP_MAX, _SC_RE_DUP_MAX
+RTSIG_MAX, _SC_RTSIG_MAX
+SEM_NSEMS_MAX, _SC_SEM_NSEMS_MAX
+SEM_VALUE_MAX, _SC_SEM_VALUE_MAX
+SIGQUEUE_MAX, _SC_SIGQUEUE_MAX
+STREAM_MAX, _SC_STREAM_MAX
+TIMER_MAX, _SC_TIMER_MAX
+TTY_NAME_MAX, _SC_TTY_NAME_MAX 
+TZNAME_MAX, _SC_TZNAME_MAX
+_POSIX2_CHAR_TERM, _SC_2_CHAR_TERM
+_POSIX2_C_BIND, _SC_2_C_BIND
+_POSIX2_C_DEV, _SC_2_C_DEV
+_POSIX2_C_VERSION, _SC_2_C_VERSION
+_POSIX2_FORT_DEV, _SC_2_FORT_DEV
+_POSIX2_FORT_RUN, _SC_2_FORT_RUN
+_POSIX2_LOCALEDEF, _SC_2_LOCALEDEF
+_POSIX2_SW_DEV, _SC_2_SW_DEV
+_POSIX2_UPE, _SC_2_UPE
+_POSIX2_VERSION, _SC_2_VERSION
+_POSIX_ASYNCHRONOUS_IO, _SC_ASYNCHRONOUS_IO 
+_POSIX_FSYNC, _SC_FSYNC 
+_POSIX_JOB_CONTROL, _SC_JOB_CONTROL
+_POSIX_MAPPED_FILES, _SC_MAPPED_FILES 
+_POSIX_MEMLOCK, _SC_MEMLOCK 
+_POSIX_MEMLOCK_RANGE, _SC_MEMLOCK_RANGE 
+_POSIX_MEMORY_PROTECTION, _SC_MEMORY_PROTECTION 
+_POSIX_MESSAGE_PASSING, _SC_MESSAGE_PASSING 
+_POSIX_PRIORITIZED_IO, _SC_PRIORITIZED_IO 
+_POSIX_PRIORITY_SCHEDULING, _SC_PRIORITY_SCHEDULING 
+_POSIX_REALTIME_SIGNALS, _SC_REALTIME_SIGNALS 
+_POSIX_SAVED_IDS, _SC_SAVED_IDS
+_POSIX_SEMAPHORES, _SC_SEMAPHORES 
+_POSIX_SHARED_MEMORY_OBJECTS, _SC_SHARED_MEMORY_OBJECTS 
+_POSIX_SYNCHRONIZED_IO, _SC_SYNCHRONIZED_IO 
+_POSIX_THREADS, _SC_THREADS 
+_POSIX_THREAD_ATTR_STACKADDR, _SC_THREAD_ATTR_STACKADDR 
+_POSIX_THREAD_ATTR_STACKSIZE, _SC_THREAD_ATTR_STACKSIZE 
+_POSIX_THREAD_PRIORITY_SCHEDULING, _SC_THREAD_PRIORITY_SCHEDULING 
+_POSIX_THREAD_PRIO_INHERIT, _SC_THREAD_PRIO_INHERIT 
+_POSIX_THREAD_PRIO_PROTECT, _SC_THREAD_PRIO_PROTECT 
+_POSIX_THREAD_PROCESS_SHARED, _SC_THREAD_PROCESS_SHARED 
+_POSIX_THREAD_SAFE_FUNCTIONS, _SC_THREAD_SAFE_FUNCTIONS 
+_POSIX_TIMERS, _SC_TIMERS
+_POSIX_VERSION, _SC_VERSION
+_XBS5_ILP32_OFF32, _SC_XBS5_ILP32_OFF32
+_XBS5_ILP32_OFFBIG, _SC_XBS5_ILP32_OFFBIG
+_XBS5_LP64_OFF64, _SC_XBS5_LP64_OFF64
+_XBS5_LPBIG_OFFBIG, _SC_XBS5_LPBIG_OFFBIG
+_XOPEN_CRYPT, _SC_XOPEN_CRYPT
+_XOPEN_ENH_I18N, _SC_XOPEN_ENH_I18N
+_XOPEN_LEGACY, _SC_XOPEN_LEGACY
+_XOPEN_REALTIME, _SC_XOPEN_REALTIME
+_XOPEN_REALTIME_THREADS, _SC_XOPEN_REALTIME_THREADS
+_XOPEN_SHM, _SC_XOPEN_SHM
+_XOPEN_UNIX, _SC_XOPEN_UNIX
+_XOPEN_VERSION, _SC_XOPEN_VERSION
+_XOPEN_XCU_VERSION, _SC_XCU_VERSION
+%%
+int
+find_sysconf(const char *name)
+{
+	const struct map *rv;
+
+	rv = in_word_set(name, strlen(name));
+	if (rv != 0)
+		return rv->key;
+	else
+		return -1;
+}