Exemplo n.º 1
0
/*******************************************************************************
**
**  gcoDUMP_FrameEnd
**
**  Mark the end of a frame.
**
**  INPUT:
**
**      gcoDUMP Dump
**          Pointer to a gcoDUMP object.
**
**  OUTPUT:
**
**      Nothing.
*/
gceSTATUS
gcoDUMP_FrameEnd(
    IN gcoDUMP Dump
    )
{
    gceSTATUS status;
    gcsDUMP_DATA header;
    gctUINT32 pos;

    gcmHEADER_ARG("Dump=0x%x", Dump);

    /* Verify the arguments. */
    gcmVERIFY_OBJECT(Dump, gcvOBJ_DUMP);

    if (Dump->file == gcvNULL)
    {
        /* There is no open dump file. */
        gcmFOOTER_NO();
        return gcvSTATUS_OK;
    }

    do
    {
        /* Get the current position. */
        gcmERR_BREAK(gcoOS_GetPos(gcvNULL, Dump->file, &pos));

        /* Seek to the beginning of the frame. */
        gcmERR_BREAK(gcoOS_SetPos(gcvNULL, Dump->file, Dump->frameStart));

        /* Make sure we got the right byte count. */
        gcmASSERT(pos - Dump->frameStart == Dump->frameLength + sizeof(header));

        /* Update the frame header. */
        header.type    = gcvTAG_FRAME;
        header.length  = Dump->frameLength;
        header.address = ++ Dump->frameCount;

        gcmERR_BREAK(gcoOS_Write(gcvNULL, Dump->file, sizeof(header), &header));

        /* Seek to the end of the file. */
        gcmERR_BREAK(gcoOS_SetPos(gcvNULL, Dump->file, pos));

        /* Mark the frame as ended. */
        Dump->frameStart = 0;
    }
    while (gcvFALSE);

    /* Return the status. */
    gcmFOOTER();
    return status;
}
static gctBOOL
ReadSource(
    IN gcoOS Os,
    IN gctCONST_STRING FileName,
    OUT gctSIZE_T * SourceSize,
    OUT gctSTRING * Source
    )
{
    gceSTATUS   status;
    gctFILE     file;
    gctUINT32   count;
    gctSIZE_T   byteRead;
    gctSTRING   source;

    gcmASSERT(FileName);

    status = gcoOS_Open(Os, FileName, gcvFILE_READ, &file);

    if (gcmIS_ERROR(status))
    {
        printf("*ERROR* Failed to open input file: %s\n", FileName);
        return gcvFALSE;
    }

    gcmVERIFY_OK(gcoOS_Seek(Os, file, 0, gcvFILE_SEEK_END));
    gcmVERIFY_OK(gcoOS_GetPos(Os, file, &count));

    status = gcoOS_Allocate(Os, count + 1, (gctPOINTER *) &source);
    if (!gcmIS_SUCCESS(status))
    {
        printf("*ERROR* Not enough memory\n");
        gcmVERIFY_OK(gcoOS_Close(Os, file));
        return gcvFALSE;
    }

    gcmVERIFY_OK(gcoOS_SetPos(Os, file, 0));
    status = gcoOS_Read(Os, file, count, source, &byteRead);
    if (!gcmIS_SUCCESS(status) || byteRead != count)
    {
        printf("*ERROR* Failed to open input file: %s\n", FileName);
        gcmVERIFY_OK(gcoOS_Close(Os, file));
        return gcvFALSE;
    }

    source[count] = '\0';
    gcmVERIFY_OK(gcoOS_Close(Os, file));

    *SourceSize = count;
    *Source = source;
    return gcvTRUE;
}
Exemplo n.º 3
0
/*******************************************************************************
**
**  gcoDUMP_Control
**
**  Control dumping.
**
**  INPUT:
**
**      gcoDUMP Dump
**          Pointer to a gcoDUMP object.
**
**      gctSTRING FileName
**          If 'FileName' is not gcvNULL, it points to the filename to be used for
**          capturing all data.  If 'FileName' is gcvNULL, turn off any current
**          capturing.
**
**  OUTPUT:
**
**      Nothing.
*/
gceSTATUS
gcoDUMP_Control(
    IN gcoDUMP Dump,
    IN gctSTRING FileName
    )
{
    gceSTATUS status = gcvSTATUS_OK;
    gcsDUMP_FILE header;
    gctUINT32 pos;

    gcmHEADER_ARG("Dump=0x%x FileName=0x%x", Dump, FileName);

    /* Verify the arguments. */
    gcmVERIFY_OBJECT(Dump, gcvOBJ_DUMP);

    do
    {
        if (FileName != gcvNULL)
        {
            /* Need to create a new dump file. */
            if (Dump->file == gcvNULL)
            {
                /* Create the dump file. */
                gcmERR_BREAK(gcoOS_Open(gcvNULL,
                                    FileName,
                                    gcvFILE_CREATE,
                                    &Dump->file));

                /* Write the file header. */
                header.signature   = gcvDUMP_FILE_SIGNATURE;
                header.length      = Dump->length     = 0;
                header.frames      = Dump->frameCount = 0;

                gcmERR_BREAK(gcoOS_Write(gcvNULL,
                                     Dump->file,
                                     sizeof(header),
                                     &header));

                /* Frame is not yet started. */
                Dump->frameStart = 0;
            }
        }
        else
        {
            /* Need to close any current dump file. */
            if (Dump->file != gcvNULL)
            {
                /* Close any open frame. */
                if (Dump->frameStart != 0)
                {
                    gcoDUMP_FrameEnd(Dump);
                    gcoDUMP_FrameBegin(Dump);
                }

                /* Get the current position. */
                gcmERR_BREAK(gcoOS_GetPos(gcvNULL, Dump->file, &pos));

                /* Seek to the beginnnig of the file. */
                gcmERR_BREAK(gcoOS_SetPos(gcvNULL, Dump->file, 0));

                /* Make sure we have the correct size. */
                gcmASSERT(pos == Dump->length + sizeof(header));

                /* Update the file header. */
                header.signature = gcvDUMP_FILE_SIGNATURE;
                header.length    = Dump->length;
                header.frames    = Dump->frameCount;

                gcmERR_BREAK(gcoOS_Write(gcvNULL,
                                     Dump->file,
                                     sizeof(header),
                                     &header));

                /* Seek to the end of the file. */
                gcmERR_BREAK(gcoOS_SetPos(gcvNULL, Dump->file, pos));

                /* Close the file. */
                gcmERR_BREAK(gcoOS_Close(gcvNULL, Dump->file));

                /* Mark the file as closed. */
                Dump->file = gcvNULL;
            }
        }
    }
    while (gcvFALSE);

    /* Return the status. */
    gcmFOOTER();
    return status;
}