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

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1.7 KiB
C

/* $Id$ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* 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_CTYPE_H__
#define __PJ_COMPAT_CTYPE_H__
/**
* @file ctype.h
* @brief Provides ctype function family.
*/
#if defined(PJ_HAS_CTYPE_H) && PJ_HAS_CTYPE_H != 0
# include <ctype.h>
#else
# define isalnum(c) (isalpha(c) || isdigit(c))
# define isalpha(c) (islower(c) || isupper(c))
# define isascii(c) (((unsigned char)(c))<=0x7f)
# define isdigit(c) ((c)>='0' && (c)<='9')
# define isspace(c) ((c)==' ' || (c)=='\t' ||\
(c)=='\n' || (c)=='\r' || (c)=='\v')
# define islower(c) ((c)>='a' && (c)<='z')
# define isupper(c) ((c)>='A' && (c)<='Z')
# define isxdigit(c) (isdigit(c) || (tolower(c)>='a'&&tolower(c)<='f'))
# define tolower(c) (((c) >= 'A' && (c) <= 'Z') ? (c)+('a'-'A') : (c))
# define toupper(c) (((c) >= 'a' && (c) <= 'z') ? (c)-('a'-'A') : (c))
#endif
#endif /* __PJ_COMPAT_CTYPE_H__ */