Hello kd4d,
> I believe I have found a bug in FreeCOM's implementation of the
> DIR command. This causes a Divide by zero error and forces a
> reboot.
thanks for reporting and analyzing. code below (between >>> and <<<) works
better.
tom
rootname[0] = toupper(*path);
segread(&sr);
sr.es = sr.ds;
r.x.ax = 0x7303;
r.x.dx = (unsigned)&rootname;
r.x.di = (unsigned)&FAT32_Free_Space;
r.x.cx = sizeof(FAT32_Free_Space);
int86x(0x21, &r, &r,&sr);
if (!r.x.cflag && r.h.al != 0)
{
clustersize = FAT32_Free_Space.sectors_per_cluster *
FAT32_Free_Space.bytes_per_sector;
if (clustersize)
if (FAT32_Free_Space.free_clusters >= 0x80000000l / clustersize)
{
>>>
int shift;
for (shift = 21; --shift;)
{
if ((clustersize & 1) == 0) clustersize >>= 1;
else
FAT32_Free_Space.free_clusters >>= 1;
}
convert(FAT32_Free_Space.free_clusters * clustersize, buffer);
<<<
strcat(buffer, " Mega");
goto output;
}
}
> This renders NTFS4DOS difficult to use on many modern
> computers.
> Mark
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Mit freundlichen Grüßen / Kind regards,
Tom Ehlert
mailto:[EMAIL PROTECTED]
+49-241-79886
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