65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/*
|
|
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The OpenAirInterface Software Alliance licenses this file to You under
|
|
* the OAI Public License, Version 1.1 (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.openairinterface.org/?page_id=698
|
|
*
|
|
* 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.
|
|
*-------------------------------------------------------------------------------
|
|
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
|
* contact@openairinterface.org
|
|
*/
|
|
|
|
#include "byte_array_producer.h"
|
|
|
|
/* create a byte array producer from an existing buffer */
|
|
byte_array_producer_t byte_array_producer_from_buffer(uint8_t *buffer, int len)
|
|
{
|
|
byte_array_producer_t result = { .b.len = len, .b.buf = buffer, .pos = 0 };
|
|
return result;
|
|
}
|
|
|
|
/* put a byte in a byte array if there is space
|
|
* returns 1 on success, 0 on error
|
|
*/
|
|
int byte_array_producer_put_byte(byte_array_producer_t *b, uint8_t byte)
|
|
{
|
|
if (b->pos == b->b.len)
|
|
return 0;
|
|
|
|
b->b.buf[b->pos] = byte;
|
|
b->pos++;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* put an u32 number as big endian in a byte array if there is space
|
|
* returns 1 on success, 0 on error
|
|
*/
|
|
int byte_array_producer_put_u32_be(byte_array_producer_t *b, uint32_t v)
|
|
{
|
|
return byte_array_producer_put_byte(b, (v >> 24) & 0xff)
|
|
&& byte_array_producer_put_byte(b, (v >> 16) & 0xff)
|
|
&& byte_array_producer_put_byte(b, (v >> 8) & 0xff)
|
|
&& byte_array_producer_put_byte(b, v & 0xff);
|
|
}
|
|
|
|
/* put an u24 number as big endian in a byte array if there is space
|
|
* returns 1 on success, 0 on error
|
|
*/
|
|
int byte_array_producer_put_u24_be(byte_array_producer_t *b, uint32_t v)
|
|
{
|
|
return byte_array_producer_put_byte(b, (v >> 16) & 0xff)
|
|
&& byte_array_producer_put_byte(b, (v >> 8) & 0xff)
|
|
&& byte_array_producer_put_byte(b, v & 0xff);
|
|
}
|