static HTTPStatus_t writeRequestLine()

in source/core_http_client.c [1486:1553]
55 lines of code
7 McCabe index (conditional complexity)

static HTTPStatus_t writeRequestLine( HTTPRequestHeaders_t * pRequestHeaders,
                                      const char * pMethod,
                                      size_t methodLen,
                                      const char * pPath,
                                      size_t pathLen )
{
    HTTPStatus_t returnStatus = HTTPSuccess;
    char * pBufferCur = NULL;
    size_t toAddLen = 0U;

    assert( pRequestHeaders != NULL );
    assert( pRequestHeaders->pBuffer != NULL );
    assert( pMethod != NULL );
    assert( methodLen != 0U );

    toAddLen = methodLen +                 \
               SPACE_CHARACTER_LEN +       \
               SPACE_CHARACTER_LEN +       \
               HTTP_PROTOCOL_VERSION_LEN + \
               HTTP_HEADER_LINE_SEPARATOR_LEN;

    pBufferCur = ( char * ) ( pRequestHeaders->pBuffer );
    toAddLen += ( ( pPath == NULL ) || ( pathLen == 0U ) ) ? HTTP_EMPTY_PATH_LEN : pathLen;

    if( ( toAddLen + pRequestHeaders->headersLen ) > pRequestHeaders->bufferLen )
    {
        returnStatus = HTTPInsufficientMemory;
    }

    if( returnStatus == HTTPSuccess )
    {
        /* Write "<METHOD> <PATH> HTTP/1.1\r\n" to start the HTTP header. */
        ( void ) strncpy( pBufferCur, pMethod, methodLen );
        pBufferCur += methodLen;

        *pBufferCur = SPACE_CHARACTER;
        pBufferCur += SPACE_CHARACTER_LEN;

        /* Use "/" as default value if <PATH> is NULL. */
        if( ( pPath == NULL ) || ( pathLen == 0U ) )
        {
            ( void ) strncpy( pBufferCur,
                              HTTP_EMPTY_PATH,
                              HTTP_EMPTY_PATH_LEN );
            pBufferCur += HTTP_EMPTY_PATH_LEN;
        }
        else
        {
            ( void ) strncpy( pBufferCur, pPath, pathLen );
            pBufferCur += pathLen;
        }

        *pBufferCur = SPACE_CHARACTER;
        pBufferCur += SPACE_CHARACTER_LEN;

        ( void ) strncpy( pBufferCur,
                          HTTP_PROTOCOL_VERSION,
                          HTTP_PROTOCOL_VERSION_LEN );
        pBufferCur += HTTP_PROTOCOL_VERSION_LEN;

        ( void ) strncpy( pBufferCur,
                          HTTP_HEADER_LINE_SEPARATOR,
                          HTTP_HEADER_LINE_SEPARATOR_LEN );
        pRequestHeaders->headersLen = toAddLen;
    }

    return returnStatus;
}