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/* $Id: memchr_P.c,v 1.1 2007/03/01 13:06:02 dmix Exp $ */
#ifndef __AVR__
# include <stdio.h>
# define memchr_P memchr
#endif
#include <stdlib.h>
#include <string.h>
#include "progmem.h"
void Check (int line, const char *s, int c, size_t len, int expect)
{
const char *p;
p = memchr_P (s, c, len);
if ((expect == -1 && !p) || (s + expect == p))
return;
#ifndef __AVR__
printf ("\nLine %d: expect: %d, result: %d\n",
line, expect, (p ? p-s : -1));
if (line > 255) line = 255; /* common OS restriction */
#endif
exit (line);
}
#define CHECK(s, c, len, expect) do { \
Check (__LINE__, PSTR(s), c, len, expect); \
} while (0)
int main ()
{
/* Not found */
CHECK ("", 0, 0, -1);
CHECK ("", 255, 0, -1);
CHECK ("ABCDEF", 'a', 6, -1);
/* Found */
CHECK ("\000", 0, 1, 0);
CHECK ("\001", 1, 1, 0);
CHECK ("\377", 255, 1, 0);
CHECK ("987654321", '7', 9, 2);
/* '\0' has't a special sense */
CHECK ("12345", 0, 6, 5);
CHECK (".\000.", 0, 3, 1);
CHECK ("\000a\000b", 'b', 4, 3);
/* First occurance */
CHECK ("abcdabcd", 'b', 8, 1);
CHECK ("........", '.', 8, 0);
/* 'c' converted to a char */
CHECK ("ABCDEF", 'A'+0x100, 6, 0);
CHECK ("ABCDE\377", ~0, 6, 5);
/* Very long string */
CHECK ("................................................................"
"................................................................"
"................................................................"
"................................................................"
"*...............................................................",
'*', 320, 256);
return 0;
}
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