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/*
* File : ctype.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2008, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2008-08-14 Bernard the first version
*/
#include <rtthread.h>
#include <sys/types.h>
#if !defined (RT_USING_NEWLIB) && defined (RT_USING_MINILIBC)
#include "ctype.h"
int isprint (int ch)
{
ch&=0x7f;
return (ch>=32 && ch<127);
}
int isalpha(int ch)
{
return (unsigned int)((ch | 0x20) - 'a') < 26u;
}
int isdigit (int ch)
{
return (unsigned int)(ch - '0') < 10u;
}
int isspace(int ch)
{
switch(ch)
{
case ' ':
case '\n':
case '\f':
case '\r':
case '\t':
case '\v':
return 1;
default:
return 0;
}
}
#endif
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