static int vmdk_write(BlockDriverState *bs, int64_t sector_num,

                     const uint8_t *buf, int nb_sectors)

{

    BDRVVmdkState *s = bs->opaque;

    VmdkExtent *extent = NULL;

    int n, ret;

    int64_t index_in_cluster;

    uint64_t cluster_offset;

    VmdkMetaData m_data;



    if (sector_num > bs->total_sectors) {

        fprintf(stderr,

                "(VMDK) Wrong offset: sector_num=0x%" PRIx64

                " total_sectors=0x%" PRIx64 "\n",

                sector_num, bs->total_sectors);

        return -EIO;

    }



    while (nb_sectors > 0) {

        extent = find_extent(s, sector_num, extent);

        if (!extent) {

            return -EIO;

        }

        ret = get_cluster_offset(

                                bs,

                                extent,

                                &m_data,

                                sector_num << 9, !extent->compressed,

                                &cluster_offset);

        if (extent->compressed) {

            if (ret == 0) {

                /* Refuse write to allocated cluster for streamOptimized */

                fprintf(stderr,

                        "VMDK: can't write to allocated cluster"

                        " for streamOptimized\n");

                return -EIO;

            } else {

                /* allocate */

                ret = get_cluster_offset(

                                        bs,

                                        extent,

                                        &m_data,

                                        sector_num << 9, 1,

                                        &cluster_offset);

            }

        }

        if (ret) {

            return -EINVAL;

        }

        index_in_cluster = sector_num % extent->cluster_sectors;

        n = extent->cluster_sectors - index_in_cluster;

        if (n > nb_sectors) {

            n = nb_sectors;

        }



        ret = vmdk_write_extent(extent,

                        cluster_offset, index_in_cluster * 512,

                        buf, n, sector_num);

        if (ret) {

            return ret;

        }

        if (m_data.valid) {

            /* update L2 tables */

            if (vmdk_L2update(extent, &m_data) == -1) {

                return -EIO;

            }

        }

        nb_sectors -= n;

        sector_num += n;

        buf += n * 512;



        /* update CID on the first write every time the virtual disk is

         * opened */

        if (!s->cid_updated) {

            ret = vmdk_write_cid(bs, time(NULL));

            if (ret < 0) {

                return ret;

            }

            s->cid_updated = true;

        }

    }

    return 0;

}

static int vmdk_write(BlockDriverState *bs, int64_t sector_num,

                     const uint8_t *buf, int nb_sectors)

{

    BDRVVmdkState *s = bs->opaque;

    VmdkExtent *extent = NULL;

    int n, ret;

    int64_t index_in_cluster;

    uint64_t cluster_offset;

    VmdkMetaData m_data;



    if (sector_num > bs->total_sectors) {

        fprintf(stderr,

                "(VMDK) Wrong offset: sector_num=0x%" PRIx64

                " total_sectors=0x%" PRIx64 "\n",

                sector_num, bs->total_sectors);

        return -EIO;

    }



    while (nb_sectors > 0) {

        extent = find_extent(s, sector_num, extent);

        if (!extent) {

            return -EIO;

        }

        ret = get_cluster_offset(

                                bs,

                                extent,

                                &m_data,

                                sector_num << 9, !extent->compressed,

                                &cluster_offset);

        if (extent->compressed) {

            if (ret == 0) {

                

                fprintf(stderr,

                        "VMDK: can't write to allocated cluster"

                        " for streamOptimized\n");

                return -EIO;

            } else {

                

                ret = get_cluster_offset(

                                        bs,

                                        extent,

                                        &m_data,

                                        sector_num << 9, 1,

                                        &cluster_offset);

            }

        }

        if (ret) {

            return -EINVAL;

        }

        index_in_cluster = sector_num % extent->cluster_sectors;

        n = extent->cluster_sectors - index_in_cluster;

        if (n > nb_sectors) {

            n = nb_sectors;

        }



        ret = vmdk_write_extent(extent,

                        cluster_offset, index_in_cluster * 512,

                        buf, n, sector_num);

        if (ret) {

            return ret;

        }

        if (m_data.valid) {

            

            if (vmdk_L2update(extent, &m_data) == -1) {

                return -EIO;

            }

        }

        nb_sectors -= n;

        sector_num += n;

        buf += n * 512;



        



        if (!s->cid_updated) {

            ret = vmdk_write_cid(bs, time(NULL));

            if (ret < 0) {

                return ret;

            }

            s->cid_updated = true;

        }

    }

    return 0;

}

        index_in_cluster = sector_num % extent->cluster_sectors;         index_in_cluster = sector_num % extent->cluster_sectors;
static int FUNC_0(BlockDriverState *VAR_0, int64_t VAR_1,

                     const uint8_t *VAR_2, int VAR_3)

{

    BDRVVmdkState *s = VAR_0->opaque;

    VmdkExtent *extent = NULL;

    int VAR_4, VAR_5;

    int64_t index_in_cluster;

    uint64_t cluster_offset;

    VmdkMetaData m_data;



    if (VAR_1 > VAR_0->total_sectors) {

        fprintf(stderr,

                "(VMDK) Wrong offset: VAR_1=0x%" PRIx64

                " total_sectors=0x%" PRIx64 "\VAR_4",

                VAR_1, VAR_0->total_sectors);

        return -EIO;

    }



    while (VAR_3 > 0) {

        extent = find_extent(s, VAR_1, extent);

        if (!extent) {

            return -EIO;

        }

        VAR_5 = get_cluster_offset(

                                VAR_0,

                                extent,

                                &m_data,

                                VAR_1 << 9, !extent->compressed,

                                &cluster_offset);

        if (extent->compressed) {

            if (VAR_5 == 0) {

                

                fprintf(stderr,

                        "VMDK: can't write to allocated cluster"

                        " for streamOptimized\VAR_4");

                return -EIO;

            } else {

                

                VAR_5 = get_cluster_offset(

                                        VAR_0,

                                        extent,

                                        &m_data,

                                        VAR_1 << 9, 1,

                                        &cluster_offset);

            }

        }

        if (VAR_5) {

            return -EINVAL;

        }

        index_in_cluster = VAR_1 % extent->cluster_sectors;

        VAR_4 = extent->cluster_sectors - index_in_cluster;

        if (VAR_4 > VAR_3) {

            VAR_4 = VAR_3;

        }



        VAR_5 = vmdk_write_extent(extent,

                        cluster_offset, index_in_cluster * 512,

                        VAR_2, VAR_4, VAR_1);

        if (VAR_5) {

            return VAR_5;

        }

        if (m_data.valid) {

            

            if (vmdk_L2update(extent, &m_data) == -1) {

                return -EIO;

            }

        }

        VAR_3 -= VAR_4;

        VAR_1 += VAR_4;

        VAR_2 += VAR_4 * 512;



        



        if (!s->cid_updated) {

            VAR_5 = vmdk_write_cid(VAR_0, time(NULL));

            if (VAR_5 < 0) {

                return VAR_5;

            }

            s->cid_updated = true;

        }

    }

    return 0;

}

static int FUNC_0(BlockDriverState *VAR_0, int64_t VAR_1,
const uint8_t *VAR_2, int VAR_3)
{ BDRVVmdkState *s = VAR_0->opaque; VmdkExtent *extent = NULL; int VAR_4, VAR_5; int64_t index_in_cluster; uint64_t cluster_offset; VmdkMetaData m_data; if (VAR_1 > VAR_0->total_sectors) { fprintf(stderr,
"(VMDK) Wrong offset: VAR_1=0x%" PRIx64
" total_sectors=0x%" PRIx64 "\VAR_4",
VAR_1, VAR_0->total_sectors); return -EIO; } while (VAR_3 > 0) { extent = find_extent(s, VAR_1, extent); if (!extent) { return -EIO; } VAR_5 = get_cluster_offset(
VAR_0,
extent,
&m_data,
VAR_1 << 9, !extent->compressed,
&cluster_offset); if (extent->compressed) { if (VAR_5 == 0) { fprintf(stderr,
"VMDK: can't write to allocated cluster"
" for streamOptimized\VAR_4"); return -EIO; } else { VAR_5 = get_cluster_offset(
VAR_0,
extent,
&m_data,
VAR_1 << 9, 1,
&cluster_offset); } } if (VAR_5) { return -EINVAL; } index_in_cluster = VAR_1 % extent->cluster_sectors; VAR_4 = extent->cluster_sectors - index_in_cluster; if (VAR_4 > VAR_3) { VAR_4 = VAR_3; } VAR_5 = vmdk_write_extent(extent,
cluster_offset, index_in_cluster * 512,
VAR_2, VAR_4, VAR_1); if (VAR_5) { return VAR_5; } if (m_data.valid) { if (vmdk_L2update(extent, &m_data) == -1) { return -EIO; } } VAR_3 -= VAR_4; VAR_1 += VAR_4; VAR_2 += VAR_4 * 512; if (!s->cid_updated) { VAR_5 = vmdk_write_cid(VAR_0, time(NULL)); if (VAR_5 < 0) { return VAR_5; } s->cid_updated = true; } } return 0; }