Function arrayize

tools/libutil/login_cap.c:105–143

 */

static const char **
arrayize(const char *str, const char *chars, int *size)
{
    int	    i;
    char *ptr;
    const char *cptr;
    const char **res = NULL;

    /* count the sub-strings */
    for (i = 0, cptr = str; *cptr; i++) {
	int count = strcspn(cptr, chars);
	cptr += count;
	if (*cptr)
	    ++cptr;
    }

    /* alloc the array */
    if ((ptr = allocstr(str)) != NULL) {
	if ((res = allocarray(++i)) == NULL)
	    free((void *)(uintptr_t)(const void *)str);
	else {
	    /* now split the string */
	    i = 0;
	    while (*ptr) {
		int count = strcspn(ptr, chars);
		res[i++] = ptr;
		ptr += count;
		if (*ptr)
		    *ptr++ = '\0';
	    }
	    res[i] = NULL;
	}
    }

    if (size)
	*size = i;

    return res;
}


/*