Gordon Haverland wrote at about 19:34:49 -0700 on Wednesday, March 27, 2019:
> On Tue, 26 Mar 2019 23:21:49 -0400
> backu...@kosowsky.org wrote:
>
> > When running BackupPC_migrateV3toV4, I am getting the following once
> > on many of my backups
> > setVarInt botch: got negative argument -2082826800; setting to 0
> >
> > - What could be causing this error?
> > - How if at all does the above error affect my backup migration?
> >
> > Note the error seems to be generated in bpc_attrib.c in the following
> > subroutine:
> >
> > /*
> > * Write variable-length unsigned integer in 7 bit chunks, LSB first
> > */
> > static void setVarInt(uchar **bufPP, uchar *bufEnd, int64 value)
> > {
> > uchar *bufP = *bufPP;
> >
> > if ( value < 0 ) {
> > bpc_logErrf("setVarInt botch: got negative argument %ld;
> > setting to 0\n", (long int)value);
> > value = 0;
> > }
> > do {
> > uchar c = value & 0x7f;
> > value >>= 7;
> > if ( value ) c |= 0x80;
> > if ( bufP < bufEnd ) {
> > *bufP++ = c;
> > } else {
> > bufP++;
> > }
> > } while ( value );
> > *bufPP = bufP;
> > }
>
> My guess is that long int is a 32 bit quantity. C99 and gcc do seem to
> have long long int, which is a 64 bit integer (also comes in unsigned).
>
> Gord
Interesting...
So what does this mean in practice?
- Is there a corruption in my original v3 backup?
- Is there a bug in the BackupPC_migrateV3toV4?
- Is my v4 backup now corrupt?
Thanks
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