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// Cryptographic API Base
#include <unistd.h>
#include "hashsum_template.h"
// Summation::AddFD - Add content of file into the checksum /*{{{*/
// ---------------------------------------------------------------------
/* */
bool SummationImplementation::AddFD(int const Fd, unsigned long Size) {
unsigned char Buf[64 * 64];
int Res = 0;
int ToEOF = (Size == 0);
unsigned long n = sizeof(Buf);
if (!ToEOF)
n = std::min(Size, n);
while (Size != 0 || ToEOF)
{
Res = read(Fd, Buf, n);
if (Res < 0 || (!ToEOF && (unsigned) Res != n)) // error, or short read
return false;
if (ToEOF && Res == 0) // EOF
break;
Size -= Res;
Add(Buf,Res);
}
return true;
}
/*}}}*/
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