/*
* putLog()
*
* This function stores the given log record into ctdllog.sys.
*/
void putLog(logBuffer *lBuf, int n)
{
long int s, r;
r = LB_TOTAL_SIZE;
s = n * r;
n *= 3;
crypte(lBuf, LB_SIZE, n); /* encode buffer */
fseek(logfl, s, 0);
if (fwrite(lBuf, LB_SIZE, 1, logfl) != 1) {
crashout("?putLog-write fail (1)!");
}
if (fwrite(lBuf->lbrgen, GEN_BULK, 1, logfl) != 1) {
crashout("?putLog-write fail (2)!");
}
if (fwrite(lBuf->lbMail, MAIL_BULK, 1, logfl) != 1) {
crashout("?putLog-write fail (3)!");
}
if (fwrite(lBuf->lastvisit, RM_BULK, 1, logfl) != 1) {
crashout("?putLog-write fail (4)!");
}
crypte(lBuf, LB_SIZE, n); /* encode buffer */
fflush(logfl);
}
/*
* getMsgChar()
*
* This function returns sequential chars from CtdlMsg.Sys.
*/
int getMsgChar()
{
long work;
int toReturn;
if (GMCCache) { /* someone did an unGetMsgChar() --return it */
toReturn= GMCCache;
GMCCache= '\0';
return (toReturn & 0xFF);
}
mFile1.oldChar = mFile1.thisChar;
mFile1.oldSector = mFile1.thisSector;
toReturn = mFile1.sectBuf[mFile1.thisChar];
toReturn &= 0xFF; /* Only want the lower 8 bits */
mFile1.thisChar = ++mFile1.thisChar % MSG_SECT_SIZE;
if (mFile1.thisChar == 0) {
/* time to read next sector in: */
mFile1.thisSector = ++mFile1.thisSector % cfg.maxMSector;
work = mFile1.thisSector;
work *= MSG_SECT_SIZE;
fseek(msgfl, work, 0);
if (fread(mFile1.sectBuf, MSG_SECT_SIZE, 1, msgfl) != 1) {
crashout("?nextMsgChar-read fail");
}
crypte(mFile1.sectBuf, MSG_SECT_SIZE, 0);
}
return(toReturn);
}
/*
* getLog()
*
* This loads requested log record into the specified RAM buffer.
*/
void getLog(logBuffer *lBuf, int n)
{
long int s, r;
if (lBuf == &logBuf) thisLog = n;
r = LB_TOTAL_SIZE; /* To get away from overflows */
s = n * r; /* This should be offset */
n *= 3;
fseek(logfl, s, 0);
if (fread(lBuf, LB_SIZE, 1, logfl) != 1) {
crashout("?getLog-read fail//EOF detected (1)!");
}
crypte(lBuf, LB_SIZE, n); /* decode buffer */
if (fread(lBuf->lbrgen, GEN_BULK, 1, logfl) != 1) {
crashout("?getLog-read fail//EOF detected (2)!");
}
if (fread(lBuf->lbMail, MAIL_BULK, 1, logfl) != 1) {
crashout("?getLog-read fail//EOF detected (3)!");
}
if (fread(lBuf->lastvisit, RM_BULK, 1, logfl) != 1) {
crashout("?getLog-read fail//EOF detected (4)!");
}
}
/*
* startAt()
*
* This function sets the location to begin reading a message from. This is
* usually only the sector, since byte offset within the sector is not
* saved.
*/
void startAt(FILE *whichmsg, struct mBuf *mFile, SECTOR_ID sect, int byt)
{
long temp;
GMCCache = '\0'; /* cache to unGetMsgChar() into */
if (sect >= cfg.maxMSector) {
printf("?startAt s=%u,b=%d", sect, byt);
return ; /* Don't crash anymore, just skip the msg */
}
mFile->thisChar = byt;
mFile->thisSector = sect;
temp = sect;
temp *= MSG_SECT_SIZE;
fseek(whichmsg, temp, 0);
if (fread(mFile->sectBuf, MSG_SECT_SIZE, 1, whichmsg) != 1) {
crashout("?startAt read fail");
}
crypte(mFile->sectBuf, MSG_SECT_SIZE, 0);
}
