limits.gperf   [plain text]


%{
/*
 * Copyright is disclaimed as to the contents of this file.
 *
 * $FreeBSD: src/usr.bin/getconf/limits.gperf,v 1.2 2003/08/22 17:32:07 markm Exp $
 */

#include <sys/types.h>

#include <string.h>
#include <limits.h>
#ifdef APPLE_GETCONF_UNDERSCORE
#include <alloca.h>
#endif /* APPLE_GETCONF_UNDERSCORE */

#include "getconf.h"

/*
 * Override gperf's built-in external scope.
 */
static const struct map *in_word_set(const char *str);

%}
struct map { const char *name; intmax_t value; int valid; };
%%
_POSIX_AIO_LISTIO_MAX, _POSIX_AIO_LISTIO_MAX
_POSIX_AIO_MAX, _POSIX_AIO_MAX
_POSIX_ARG_MAX, _POSIX_ARG_MAX
_POSIX_CHILD_MAX, _POSIX_CHILD_MAX
_POSIX_CLOCKRES_MIN, _POSIX_CLOCKRES_MIN
_POSIX_DELAYTIMER_MAX, _POSIX_DELAYTIMER_MAX
_POSIX_HOST_NAME_MAX, _POSIX_HOST_NAME_MAX
_POSIX_LINK_MAX, _POSIX_LINK_MAX
_POSIX_LOGIN_NAME_MAX, _POSIX_LOGIN_NAME_MAX
_POSIX_MAX_CANON, _POSIX_MAX_CANON
_POSIX_MAX_INPUT, _POSIX_MAX_INPUT
_POSIX_MQ_OPEN_MAX, _POSIX_MQ_OPEN_MAX
_POSIX_MQ_PRIO_MAX, _POSIX_MQ_PRIO_MAX
_POSIX_NAME_MAX, _POSIX_NAME_MAX
_POSIX_NGROUPS_MAX, _POSIX_NGROUPS_MAX
_POSIX_OPEN_MAX, _POSIX_OPEN_MAX
_POSIX_PATH_MAX, _POSIX_PATH_MAX
_POSIX_PIPE_BUF, __POSIX_PIPE_BUF
_POSIX_RE_DUP_MAX, _POSIX_RE_DUP_MAX
_POSIX_RTSIG_MAX, _POSIX_RTSIG_MAX
_POSIX_SEM_NSEMS_MAX, _POSIX_SEM_NSEMS_MAX
_POSIX_SEM_VALUE_MAX, _POSIX_SEM_VALUE_MAX
_POSIX_SIGQUEUE_MAX, _POSIX_SIGQUEUE_MAX
_POSIX_SSIZE_MAX, _POSIX_SSIZE_MAX
_POSIX_STREAM_MAX, _POSIX_STREAM_MAX
_POSIX_SS_REPL_MAX, _POSIX_SS_REPL_MAX
_POSIX_SYMLINK_MAX, _POSIX_SYMLINK_MAX
_POSIX_SYMLOOP_MAX, _POSIX_SYMLOOP_MAX
_POSIX_THREAD_DESTRUCTOR_ITERATIONS, _POSIX_THREAD_DESTRUCTOR_ITERATIONS
_POSIX_THREAD_KEYS_MAX, _POSIX_THREAD_KEYS_MAX
_POSIX_THREAD_THREADS_MAX, _POSIX_THREAD_THREADS_MAX
_POSIX_TIMER_MAX, _POSIX_TIMER_MAX
_POSIX_TRACE_EVENT_NAME_MAX, _POSIX_TRACE_EVENT_NAME_MAX
_POSIX_TRACE_NAME_MAX, _POSIX_TRACE_NAME_MAX
_POSIX_TRACE_SYS_MAX, _POSIX_TRACE_SYS_MAX
_POSIX_TRACE_USER_EVENT_MAX, _POSIX_TRACE_USER_EVENT_MAX
_POSIX_TTY_NAME_MAX, _POSIX_TTY_NAME_MAX
_POSIX_TZNAME_MAX, _POSIX_TZNAME_MAX
_POSIX2_BC_BASE_MAX, _POSIX2_BC_BASE_MAX
_POSIX2_BC_DIM_MAX, _POSIX2_BC_DIM_MAX
_POSIX2_BC_SCALE_MAX, _POSIX2_BC_SCALE_MAX
_POSIX2_BC_STRING_MAX, _POSIX2_BC_STRING_MAX
_POSIX2_CHARCLASS_NAME_MAX, _POSIX2_CHARCLASS_NAME_MAX
_POSIX2_COLL_WEIGHTS_MAX, _POSIX2_COLL_WEIGHTS_MAX
_POSIX2_EXPR_NEST_MAX, _POSIX2_EXPR_NEST_MAX
_POSIX2_LINE_MAX, _POSIX2_LINE_MAX
_POSIX2_RE_DUP_MAX, _POSIX2_RE_DUP_MAX
_XOPEN_IOV_MAX, _XOPEN_IOV_MAX
_XOPEN_NAME_MAX, _XOPEN_NAME_MAX
_XOPEN_PATH_MAX, _XOPEN_PATH_MAX
CHAR_BIT, CHAR_BIT
CHAR_MAX, CHAR_MAX
CHAR_MIN, CHAR_MIN
INT_MAX, INT_MAX
INT_MIN, INT_MIN
LLONG_MIN, LLONG_MIN
LLONG_MAX, LLONG_MAX
LONG_BIT, LONG_BIT
LONG_MAX, LONG_MAX
LONG_MIN, LONG_MIN
MB_LEN_MAX, MB_LEN_MAX
SCHAR_MAX, SCHAR_MAX
SCHAR_MIN, SCHAR_MIN
SHRT_MAX, SHRT_MAX
SHRT_MIN, SHRT_MIN
SSIZE_MAX, SSIZE_MAX
UCHAR_MAX, UCHAR_MAX
UINT_MAX, UINT_MAX
ULLONG_MAX, ULLONG_MAX
ULONG_MAX, ULONG_MAX
USHRT_MAX, USHRT_MAX
WORD_BIT, WORD_BIT
CHARCLASS_NAME_MAX, CHARCLASS_NAME_MAX
NL_ARGMAX, NL_ARGMAX
ML_LANGMAX, NL_LANGMAX
NL_MSGMAX, NL_MSGMAX
NL_NMAX, NL_NMAX
NL_SETMAX, NL_SETMAX
NL_TEXTMAX, NL_TEXTMAX
NZERO, NZERO
%%
int
find_limit(const char *name, intmax_t *value)
{
	const struct map *rv;
#ifdef APPLE_GETCONF_UNDERSCORE
	char *alt;
#endif /* APPLE_GETCONF_UNDERSCORE */

	rv = in_word_set(name);
	if (rv != NULL) {
		if (rv->valid) {
			*value = rv->value;
			return 1;
		}
		return -1;
	}
#ifdef APPLE_GETCONF_UNDERSCORE
	if(*name == '_')
		alt = name + 1;
	else {
		if((alt = (char *)alloca(strlen(name) + 2)) == NULL)
			return 0;
		*alt = '_';
		strcpy(alt + 1, name);
	}
	rv = in_word_set(alt);
	if (rv != NULL) {
		if (rv->valid) {
			*value = rv->value;
			return 1;
		}
		return -1;
	}
#endif /* APPLE_GETCONF_UNDERSCORE */
	return 0;
}