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/*
* @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION.
*
* 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.
*/
char* itoa( int value, char buff[], int radix ) {
static const char table[] = "0123456789abcdefghijklmnopqrstuvwxyz";
char *head = buff;
char *tail = buff;
char temp;
// Converting minus sign to character
if ( value < 0 ){
*tail++ = '-';
value = -value;
}
// Converting integer to character
if ( value == 0 ){
*tail++ = '0';
}
else for ( head = tail ; value != 0 ; value /= radix ){
*tail++ = table[ value % radix ];
}
*tail = '\0';
// swapping characters
for ( tail-- ; head < tail ; head++, tail-- ){
temp = *head;
*head = *tail;
*tail = temp;
}
return buff;
}
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