Function adfGetFileBlocks

dep/adflib/src/adf_file.c:96–138

* adfGetFileBlocks * */

 *
 */
RETCODE adfGetFileBlocks(struct Volume* vol, struct bFileHeaderBlock* entry,
    struct FileBlocks* fileBlocks)
{
    int32_t n, m;
    SECTNUM nSect;
    struct bFileExtBlock extBlock;
    int32_t i;

    fileBlocks->header = entry->headerKey;
    adfFileRealSize( entry->byteSize, vol->datablockSize, 
        &(fileBlocks->nbData), &(fileBlocks->nbExtens) );

    fileBlocks->data=(SECTNUM*)malloc(fileBlocks->nbData * sizeof(SECTNUM));
    if (!fileBlocks->data) {
        (*adfEnv.eFct)("adfGetFileBlocks : malloc");
        return RC_MALLOC;
    }

    fileBlocks->extens=(SECTNUM*)malloc(fileBlocks->nbExtens * sizeof(SECTNUM));
    if (!fileBlocks->extens) {
        (*adfEnv.eFct)("adfGetFileBlocks : malloc");
        return RC_MALLOC;
    }
 
    n = m = 0;	
    /* in file header block */
    for(i=0; i<entry->highSeq; i++)
        fileBlocks->data[n++] = entry->dataBlocks[MAX_DATABLK-1-i];

    /* in file extension blocks */
    nSect = entry->extension;
    while(nSect!=0) {
        fileBlocks->extens[m++] = nSect;
        adfReadFileExtBlock(vol, nSect, &extBlock);
        for(i=0; i<extBlock.highSeq; i++)
            fileBlocks->data[n++] = extBlock.dataBlocks[MAX_DATABLK-1-i];
        nSect = extBlock.extension;
    }
    if ( (fileBlocks->nbExtens+fileBlocks->nbData) != (n+m) )
        (*adfEnv.wFct)("adfGetFileBlocks : less blocks than expected");

    return RC_OK;
}

/*
 * adfFreeFileBlocks