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/* Test of isprint() function.
$Id: isprint-1.c,v 1.1.2.1 2008/03/20 21:42:37 joerg_wunsch Exp $
*/
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#ifndef __AVR__
# define PRINTFLN(fmt, ...) \
printf ("\nLine %d: " fmt "\n", __LINE__, ##__VA_ARGS__)
# define EXIT(code) exit ((code) < 255 ? (code) : 100 + (code) % 100)
#else
# if defined(__AVR_ATmega128__)
/* ATmega128 has enough RAM for sprintf(), print to 0x2000 in XRAM. */
# define PRINTFLN(fmt, ...) \
sprintf ((char *)0x2000, "\nLine %d: " fmt "\n", __LINE__, ##__VA_ARGS__)
# else
/* small AVR */
# define PRINTFLN(args...)
# endif
# define EXIT exit
#endif
int main ()
{
int i;
for (i = -1; i < 256; i++) {
if (i >= ' ' && i <= 0x7E) {
if (!isprint (i)) {
PRINTFLN ("isprint(%#x) --> false", i);
EXIT (__LINE__);
}
} else {
if (isprint (i)) {
PRINTFLN ("isprint(%#x) --> true", i);
EXIT (__LINE__);
}
}
}
/* Skip the host, as according to C standart it is not safety to use an
argument beyound -1..255 value. Avr-libc's ctype functions permit
this. */
#ifdef __AVR__
{
unsigned int u;
for (u = 0xffff; u > 0xff; u--)
if (isprint (u))
EXIT (__LINE__);
}
#endif
return 0;
}
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