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/*
* Copyright (C) 2018 "IoT.bzh"
* 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.
*/
/******************************************************************************/
/******************************************************************************/
/* IMPLEMENTATION OF NAMES */
/******************************************************************************/
/******************************************************************************/
#include <ctype.h>
#include <string.h>
#include <stdint.h>
#include "names.h"
/**
* Check the name and compute its length. Returns 0 in case of invalid name
* @param name the name to check
* @return the length of the name or zero if invalid
*/
size_t
agent_check_name(
const char *name
) {
char c;
size_t length = 0;
if (name) {
while ((c = name[length])) {
if (length > UINT8_MAX
|| (!isalnum(c) && !strchr("@_-$", c))) {
length = 0;
break;
}
length++;
}
}
return length;
}
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