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/*
* Copyright (c) 2022 Cisco and/or its affiliates.
* 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.
*/
/**
* \file validation.h
* \brief Functions for input validation
*/
#include <ctype.h>
#include <hicn/util/sstrncpy.h>
static inline bool
is_number (const char *string, size_t maxlen)
{
size_t len = strnlen_s (string, maxlen);
for (size_t i = 0; i < len; i++)
{
if (!isdigit (string[i]))
return false;
}
return len != 0;
}
/**
* A symbolic name must be at least 1 character and must begin with an alpha.
* The remainder must be an alphanum.
*/
static inline bool
is_symbolic_name (const char *name, size_t maxlen)
{
size_t len = strnlen_s (name, maxlen);
if (len <= 0)
return false;
if (!isalpha (name[0]))
return false;
for (size_t i = 1; i < len; i++)
{
if (!isalnum (name[i]) && name[i] != '_' && name[i] != '-')
return false;
}
return true;
}
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