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
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