C++ (Cpp) ASCIIFGets Examples

Example #1

File: rdataset.cpp Project: 469447793/World-Wind-Java

const char *RDataset::ReadString()

{
    if( ReadInteger() % 256 != R_CHARSXP )
    {
        osLastStringRead = "";
        return "";
    }

    size_t nLen = ReadInteger();
        
    char *pachWrkBuf = (char *) VSIMalloc(nLen);
    if (pachWrkBuf == NULL)
    {
        osLastStringRead = "";
        return "";
    }
    if( VSIFReadL( pachWrkBuf, 1, nLen, fp ) != nLen )
    {
        osLastStringRead = "";
        CPLFree( pachWrkBuf );
        return "";
    }
    
    if( bASCII )
    {
        /* suck up newline and any extra junk */
        ASCIIFGets();
    }
    
    osLastStringRead.assign( pachWrkBuf, nLen );
    CPLFree( pachWrkBuf );

    return osLastStringRead;
}

Example #2

File: rdataset.cpp Project: ksshannon/gdal

double RDataset::ReadFloat()

{
    if( bASCII )
    {
        return CPLAtof(ASCIIFGets());
    }

    double dfValue = 0.0;

    if( VSIFReadL(&dfValue, 8, 1, fp) != 1 )
        return -1;
    CPL_MSBPTR64(&dfValue);

    return dfValue;
}

Example #3

File: rdataset.cpp Project: ksshannon/gdal

int RDataset::ReadInteger()

{
    if( bASCII )
    {
        return atoi(ASCIIFGets());
    }

    GInt32 nValue = 0;

    if( VSIFReadL(&nValue, 4, 1, fp) != 1 )
        return -1;
    CPL_MSBPTR32(&nValue);

    return nValue;
}

Example #4

File: rdataset.cpp Project: ksshannon/gdal

const char *RDataset::ReadString()

{
    if( ReadInteger() % 256 != R_CHARSXP )
    {
        osLastStringRead = "";
        return "";
    }

    const int nLenSigned = ReadInteger();
    if( nLenSigned < 0 )
    {
        osLastStringRead = "";
        return "";
    }
    const size_t nLen = static_cast<size_t>(nLenSigned);

    char *pachWrkBuf = static_cast<char *>(VSIMalloc(nLen));
    if (pachWrkBuf == nullptr)
    {
        osLastStringRead = "";
        return "";
    }
    if( VSIFReadL(pachWrkBuf, 1, nLen, fp) != nLen )
    {
        osLastStringRead = "";
        CPLFree(pachWrkBuf);
        return "";
    }

    if( bASCII )
    {
        // Suck up newline and any extra junk.
        ASCIIFGets();
    }

    osLastStringRead.assign(pachWrkBuf, nLen);
    CPLFree(pachWrkBuf);

    return osLastStringRead;
}