int
main ()
{
/* configure should already have checked that the locale is supported. */
if (setlocale (LC_ALL, "") == NULL)
return 1;
ASSERT (mbsspn ("Some text", "") == 0);
ASSERT (mbsspn ("A long sentence", " ") == 0);
ASSERT (mbsspn (" xy", "aei ou") == 2);
ASSERT (mbsspn ("eau", "aeiou") == 3);
/* The following tests shows how mbsspn() is different from strspn(). */
{
const char input[] = "\303\266\303\274"; /* "öü" */
ASSERT (mbsspn (input, "\303\266") == 2); /* "ö" */
ASSERT (mbsspn (input, "\303\244") == 0); /* "ä" */
ASSERT (mbsspn (input, "\303\274\303\266") == 4); /* "üö" */
ASSERT (mbsspn (input, "\303\244\303\274") == 0); /* "äü" */
ASSERT (mbsspn (input, "\303\244\303\266") == 2); /* "äö" */
}
{
const char input[] = "\303\266\303\274"; /* "öü" */
ASSERT (mbsspn (input, "\303") == 0); /* invalid multibyte sequence */
}
return 0;
}
char *
mbstok_r (char *string, const char *delim, char **save_ptr)
{
if (MB_CUR_MAX > 1)
{
if (string == NULL)
{
string = *save_ptr;
if (string == NULL)
return NULL; /* reminder that end of token sequence has been
reached */
}
/* Skip leading delimiters. */
string += mbsspn (string, delim);
/* Found a token? */
if (*string == '\0')
{
*save_ptr = NULL;
return NULL;
}
/* Move past the token. */
{
char *token_end = mbspbrk (string, delim);
if (token_end != NULL)
{
/* NUL-terminate the token. */
*token_end = '\0';
*save_ptr = token_end + 1;
}
else
*save_ptr = NULL;
}
return string;
}
else
return strtok_r (string, delim, save_ptr);
}
