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Purge invalid LastRead records

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This commit is contained in:
Michiel Broek 2007-08-26 10:44:11 +00:00
parent 6598c4202f
commit 9e63a9f9e9
2 changed files with 18 additions and 6 deletions
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2
ChangeLog
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@ -21,6 +21,8 @@ v0.91.10 21-Aug-2007
Added extra debug info in pack function.
Only adjust LR pointers if they must be changed to save some
disk i/o.
LastRead records that don't belong to a valid user are
purged.
mbcico:
Fixed a lot of compiler warnings.

22
lib/jammsg.c
View File

@ -743,20 +743,30 @@ void JAM_Pack(void)
LR.HighReadMsg = jamHdrInfo.ActiveMsgs;
Syslog('m', "JAM_Pack %s recno %d user %d HighRead is reset to %d", BaseName, i, LR.UserID, LR.HighReadMsg);
}
Syslog('m', "JAM_Pack check user record %d", LR.UserID);
if (usrF) {
Syslog('m', "JAM_Pack get user record %d at %d", LR.UserID, usrhdr.hdrsize + (usrhdr.recsize * LR.UserID));
/*
* Search user record for LR pointer. If the record is valid and the
* user still exists then copy the LR record, else we drop it.
*/
fseek(usrF, usrhdr.hdrsize + (usrhdr.recsize * LR.UserID), SEEK_SET);
memset(&usr, 0, sizeof(usr));
if (fread(&usr, usrhdr.recsize, 1, usrF) == 1) {
mycrc = StringCRC32(tl(usr.sUserName));
Syslog('m', "JAM_Pack got user record %d \"%s\", crc %s", LR.UserID, usr.sUserName,
(mycrc == LR.UserCRC) ? "Ok":"Error");
if (mycrc == LR.UserCRC) {
write(fdnJlr, &LR, sizeof(lastread));
} else {
Syslog('-', "JAM_Pack %s purged LR record %d", BaseName, i);
}
} else {
Syslog('m', "JAM_Pack read error");
Syslog('-', "JAM_Pack %s purged LR record %d", BaseName, i);
}
} else {
/*
* Should not be possible, but simply write LR records
* if no user data is available.
*/
write(fdnJlr, &LR, sizeof(lastread));
}
write(fdnJlr, &LR, sizeof(lastread));
}
}
if (usrF)