static eReportBuilderStatus prvWriteTaskIdsArray()

in source/defender-tools/report_builder.c [365:440]
64 lines of code
9 McCabe index (conditional complexity)

static eReportBuilderStatus prvWriteTaskIdsArray( char * pcBuffer,
                                                  uint32_t ulBufferLength,
                                                  const uint32_t * pulTaskIdsArray,
                                                  uint32_t pulTaskIdsArrayLength,
                                                  uint32_t * pulOutCharsWritten )
{
    char * pcCurrentWritePos = pcBuffer;
    uint32_t i, ulRemainingBufferLength = ulBufferLength;
    int32_t lCharactersWritten;
    eReportBuilderStatus eStatus = eReportBuilderSuccess;

    configASSERT( pcBuffer != NULL );
    configASSERT( pulTaskIdsArray != NULL );
    configASSERT( pulOutCharsWritten != NULL );

    /* Write the JSON array open marker. */
    if( ulRemainingBufferLength > 1 )
    {
        *pcCurrentWritePos = reportbuilderJSON_ARRAY_OPEN_MARKER;
        ulRemainingBufferLength -= 1;
        pcCurrentWritePos += 1;
    }
    else
    {
        eStatus = eReportBuilderBufferTooSmall;
    }

    /* Write the array elements. */
    for( i = 0; ( ( i < pulTaskIdsArrayLength ) && ( eStatus == eReportBuilderSuccess ) ); i++ )
    {
        lCharactersWritten = snprintf( pcCurrentWritePos,
                                       ulRemainingBufferLength,
                                       "%lu,",
                                       pulTaskIdsArray[ i ] );

        if( !reportbuilderSNPRINTF_SUCCESS( lCharactersWritten, ulRemainingBufferLength ) )
        {
            eStatus = eReportBuilderBufferTooSmall;
            break;
        }
        else
        {
            ulRemainingBufferLength -= ( uint32_t ) lCharactersWritten;
            pcCurrentWritePos += lCharactersWritten;
        }
    }

    if( eStatus == eReportBuilderSuccess )
    {
        /* Discard the last comma. */
        if( pulTaskIdsArrayLength > 0 )
        {
            pcCurrentWritePos -= 1;
            ulRemainingBufferLength += 1;
        }

        /* Write the JSON array close marker. */
        if( ulRemainingBufferLength > 1 )
        {
            *pcCurrentWritePos = reportbuilderJSON_ARRAY_CLOSE_MARKER;
            ulRemainingBufferLength -= 1;
            pcCurrentWritePos += 1;
        }
        else
        {
            eStatus = eReportBuilderBufferTooSmall;
        }
    }

    if( eStatus == eReportBuilderSuccess )
    {
        *pulOutCharsWritten = ulBufferLength - ulRemainingBufferLength;
    }

    return eStatus;
}