int mmc_prepare_key_ex(const char *key, unsigned int key_len, char *result, unsigned int *result_len
TSRMLS_DC) /* {{{ */
{
unsigned int i;
if (key_len == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key cannot be empty");
return MMC_REQUEST_FAILURE;
}
*result_len = key_len < MMC_KEY_MAX_SIZE ? key_len : MMC_KEY_MAX_SIZE;
result[*result_len] = \'\0\';
for (i=0; i<*result_len; i++) {
result[i] = ((unsigned char)key[i]) > \' \' ? key[i] : \'_\';
}
return MMC_OK;
}