if() [4/10]

if

(

nBytesRead >=8 &&

nBytesRead = = nEntitySize - 8

)

Definition at line 1992 of file shpopen.c.

    {
        /* Do a sanity check */
        int nSHPContentLength;
        memcpy( &nSHPContentLength, psSHP->pabyRec + 4, 4 );
        if( !bBigEndian ) SwapWord( 4, &(nSHPContentLength) );
        if( nSHPContentLength < 0 ||
            nSHPContentLength > INT_MAX / 2 - 4 ||
            2 * nSHPContentLength + 8 != nBytesRead )
        {
            char str[128];
            snprintf( str, sizeof(str),
                    "Sanity check failed when trying to recover from inconsistent .shx/.shp with shape %d",
                    hEntity );
            str[sizeof(str)-1] = '\0';
 
            psSHP->sHooks.Error( str );
            return SHPLIB_NULLPTR;
        }
    }

References bBigEndian, nBytesRead, SHPLIB_NULLPTR, str, and SwapWord().

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