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/* $Id: strcspn.c,v 1.1 2007/03/01 13:06:02 dmix Exp $ */
#ifndef __AVR__
# include <stdio.h>
#endif
#include <stdlib.h>
#include <string.h>
#include "progmem.h"
void Check (int line, const char *s1, const char *s2, size_t expect)
{
char t1[300];
char t2[100];
size_t n;
if ( strlen_P(s1) > sizeof(t1) - 1
|| strlen_P(s2) > sizeof(t2) - 1)
exit (1);
strcpy_P (t1, s1);
strcpy_P (t2, s2);
n = strcspn (t1, t2);
if (n == expect)
return;
#if !defined(__AVR__)
printf ("\nLine %d: expect: %d, result: %d\n",
line, expect, n);
if (line > 255) line = 255;
#elif defined(DEBUG)
exit (n ? n : ~0);
#endif
exit (line);
}
#define CHECK(s1, s2, expect) do { \
Check (__LINE__, PSTR(s1), PSTR(s2), expect); \
} while (0)
int main ()
{
/* Empty string. */
CHECK ("", "", 0);
CHECK ("", "A", 0);
CHECK ("", "abcdef", 0);
CHECK ("A", "", 1);
CHECK ("0123456789", "", 10);
/* accept[] length is 1. */
CHECK ("B", "A", 1);
CHECK ("abcdefghij", "A", 10);
CHECK ("A", "A", 0);
CHECK ("AAAAAAAA", "A", 0);
/* accept[] length is 2. */
CHECK ("c", "ab", 1);
CHECK ("cd", "ab", 2);
CHECK ("cde", "ab", 3);
CHECK ("a", "ab", 0);
CHECK (".a", "ab", 1);
CHECK ("..a", "ab", 2);
CHECK ("...a", "ab", 3);
CHECK ("b", "ab", 0);
CHECK (".b", "ab", 1);
CHECK ("..b", "ab", 2);
CHECK ("...b", "ab", 3);
CHECK ("0101010101", "23", 10);
CHECK ("0123456789AB", ".A", 10);
/* accept[] length > 2 */
CHECK ("the quick brown fox", "QWERTYUIOPASDFGHJKLZXCVBNM", 19);
CHECK ("the quick brown fox ...", ".QWERTYUIOPASDFGHJKLZXCVBNM", 20);
CHECK ("the quick brown fox .?", "QWERTYUIOPASDFGHJKLZXCVBNM?", 21);
/* non ASCII chars */
CHECK ("\001", "\001", 0);
CHECK ("\377", "\377", 0);
CHECK ("\002\376", "\001\377", 2);
/* Result approx. 256 */
CHECK ("................................................................"
"................................................................"
"................................................................"
"...............................................................",
"*", 255);
CHECK ("................................................................"
"................................................................"
"................................................................"
"................................................................",
"*", 256);
CHECK ("................................................................"
"................................................................"
"................................................................"
"................................................................"
".*", "*", 257);
return 0;
}
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