/*
 * Copyright (C) 2015-2020 "IoT.bzh"
 * Author "Fulup Ar Foll"
 * Author José Bollo <jose.bollo@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define _GNU_SOURCE

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>

#include "afb-api.h"

/**
 * Checks wether 'name' is a valid API name.
 * @return 1 if valid, 0 otherwise
 */
int afb_api_is_valid_name(const char *name)
{
	unsigned char c;

	c = (unsigned char)*name;
	if (c == 0)
		/* empty names aren't valid */
		return 0;

	do {
		if (c < (unsigned char)'\x80') {
			switch(c) {
			default:
				if (c > ' ')
					break;
				/*@fallthrough@*/
			case '"':
			case '#':
			case '%':
			case '&':
			case '\'':
			case '/':
			case '?':
			case '`':
			case '\\':
			case '\x7f':
				return 0;
			}
		}
		c = (unsigned char)*++name;
	} while(c != 0);
	return 1;
}