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cc65/targettest/strnlen.c
2022-07-21 03:13:10 +02:00

33 lines
616 B
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
const char * str = "0123456789";
void
check (size_t result, size_t expected)
{
if (result != expected) {
printf ("Expected strnlen() to return %u, got %u.\n",
expected, result);
exit (EXIT_FAILURE);
}
}
int
main (void)
{
size_t maxlen = strlen (str);
size_t result;
size_t expected;
for (expected = 0; expected < maxlen; expected++)
check (strnlen (str, expected), expected);
check (strnlen (str, maxlen << 1), maxlen);
printf ("strnlen() OK.\n");
return EXIT_SUCCESS;
}