D-Modem/pjproject-2.11.1/pjlib/include/pj/compat/limits.h
2021-10-29 14:41:03 -04:00

65 lines
2 KiB
C

/* $Id$ */
/*
* Copyright (C) 2017 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2017 George Joseph <gjoseph@digium.com>
*
* 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; either 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJ_COMPAT_LIMITS_H__
#define __PJ_COMPAT_LIMITS_H__
/**
* @file limits.h
* @brief Provides integer limits normally found in limits.h.
*/
#if defined(PJ_HAS_LIMITS_H) && PJ_HAS_LIMITS_H != 0
# include <limits.h>
#else
# ifdef _MSC_VER
# pragma message("limits.h is not found or not supported. LONG_MIN and "\
"LONG_MAX will be defined by the library in "\
"pj/compats/limits.h and overridable in config_site.h")
# else
# warning "limits.h is not found or not supported. LONG_MIN and LONG_MAX " \
"will be defined by the library in pj/compats/limits.h and "\
"overridable in config_site.h"
# endif
/* Minimum and maximum values a `signed long int' can hold. */
# ifndef LONG_MAX
# if __WORDSIZE == 64
# define LONG_MAX 9223372036854775807L
# else
# define LONG_MAX 2147483647L
# endif
# endif
# ifndef LONG_MIN
# define LONG_MIN (-LONG_MAX - 1L)
# endif
/* Maximum value an `unsigned long int' can hold. (Minimum is 0.) */
# ifndef ULONG_MAX
# if __WORDSIZE == 64
# define ULONG_MAX 18446744073709551615UL
# else
# define ULONG_MAX 4294967295UL
# endif
# endif
#endif
#endif /* __PJ_COMPAT_LIMITS_H__ */