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Length: 10653 (0x299d)
Types: TextFile
Names: »32«
└─⟦a0efdde77⟧ Bits:30001252 EUUGD11 Tape, 1987 Spring Conference Helsinki
└─ ⟦this⟧ »EUUGD11/euug-87hel/sec1/rn/BUGS/32«
System: rn version 4.3
Patch #: 32
Priority: MEDIUM to HIGH, depending on how many KILL files you use
Subject: KILL on newly arrived articles can accidentally mark articles read
From: tonyb@tektronix.com (Tony Birnseth)
Description:
Under certain circumstances, if an article arrives in a newsgroup
while you are in that newsgroup, and there is a KILL file for that
newgroup, articles can accidentally be marked as read.
Repeat-by:
Go to the last article in a newsgroup. Then ^K to edit the KILL
file to change the THRU number to, say, 10 less than the current
number (to get rid on any articles of that subject the next time
the kill file is run). Do a followup to the last article.
After the followup, the user is told "End of newsgroup...". If
the user types 'space' or 'n', rn will proceed to run the kill file
on the new article that has arrived. Unfortunately, all articles
between the THRU number in the KILL file and new article will be
marked as read. This may not be true.
Fix: From rn, say "| patch -d DIR", where DIR is your rn source directory.
Outside of rn, say "cd DIR; patch <thisarticle". If you don't have
the patch program, apply the following by hand, or get patch.
If patch indicates that patchlevel is the wrong version, you may need
to apply one or more previous patches, or the patch may already
have been applied. See the patchlevel file to find out what has or
has not been applied. In any event, don't continue with the patch.
If you are missing previous patches they can be obtained from me:
Larry Wall
{allegra,burdvax,cbosgd,hplabs,ihnp4,sdcsvax}!sdcrdcf!lwall
If you send a mail message of the following form it will greatly speed
processing:
Subject: Command
@SH mailpatch PATH rn 4.3 NUM ...
where PATH is a return path FROM ME TO YOU in bang notation, and NUM
is the number of one or more patches you need, separated by spaces.
Yes, I've installed MEP. And yes, I changed it so you can't break
security here. So don't try.
Index: patchlevel
Prereq: 31
1c1
< Patch #: 31
---
> Patch #: 32
Index: bits.c
Prereq: 4.3.1.3
*** bits.c.old Fri Oct 31 15:27:01 1986
--- bits.c Fri Oct 31 15:27:17 1986
***************
*** 1,4
! /* $Header: bits.c,v 4.3.1.3 86/09/09 16:01:43 lwall Exp $
*
* $Log: bits.c,v $
* Revision 4.3.1.3 86/09/09 16:01:43 lwall
--- 1,4 -----
! /* $Header: bits.c,v 4.3.1.4 86/10/31 15:23:53 lwall Exp $
*
* $Log: bits.c,v $
* Revision 4.3.1.4 86/10/31 15:23:53 lwall
***************
*** 1,6
/* $Header: bits.c,v 4.3.1.3 86/09/09 16:01:43 lwall Exp $
*
* $Log: bits.c,v $
* Revision 4.3.1.3 86/09/09 16:01:43 lwall
* Fixed 'n more articles' bug.
*
--- 1,10 -----
/* $Header: bits.c,v 4.3.1.4 86/10/31 15:23:53 lwall Exp $
*
* $Log: bits.c,v $
+ * Revision 4.3.1.4 86/10/31 15:23:53 lwall
+ * Separated firstart into two variables so KILL on new articles won't
+ * accidentally mark articles read.
+ *
* Revision 4.3.1.3 86/09/09 16:01:43 lwall
* Fixed 'n more articles' bug.
*
***************
*** 162,169
ART_NUM artnum;
{
#ifdef DEBUGGING
! if (debug && artnum < firstart) {
! printf("onemore: %d < %d\n",artnum,firstart) FLUSH;
return;
}
#endif
--- 166,173 -----
ART_NUM artnum;
{
#ifdef DEBUGGING
! if (debug && artnum < firstbit) {
! printf("onemore: %d < %d\n",artnum,firstbit) FLUSH;
return;
}
#endif
***************
*** 180,187
ART_NUM artnum;
{
#ifdef DEBUGGING
! if (debug && artnum < firstart) {
! printf("oneless: %d < %d\n",artnum,firstart) FLUSH;
return;
}
#endif
--- 184,191 -----
ART_NUM artnum;
{
#ifdef DEBUGGING
! if (debug && artnum < firstbit) {
! printf("oneless: %d < %d\n",artnum,firstbit) FLUSH;
return;
}
#endif
***************
*** 192,198
}
}
! /* mark an article as unread, making sure that firstart is properly handled */
/* cross-references are left as read in the other newsgroups */
void
--- 196,202 -----
}
}
! /* mark an article as unread, making sure that firstbit is properly handled */
/* cross-references are left as read in the other newsgroups */
void
***************
*** 240,246
chase_xrefs(artnum,TRUE);
}
! /* make sure we have bits set correctly down to firstart */
void
check_first(min)
--- 244,250 -----
chase_xrefs(artnum,TRUE);
}
! /* make sure we have bits set correctly down to firstbit */
void
check_first(min)
***************
*** 246,252
check_first(min)
ART_NUM min;
{
! register ART_NUM i = firstart;
if (min < absfirst)
min = absfirst;
--- 250,256 -----
check_first(min)
ART_NUM min;
{
! register ART_NUM i = firstbit;
if (min < absfirst)
min = absfirst;
***************
*** 253,259
if (min < i) {
for (i--; i>=min; i--)
ctl_set(i); /* mark as read */
! firstart = min;
}
}
--- 257,263 -----
if (min < i) {
for (i--; i>=min; i--)
ctl_set(i); /* mark as read */
! firstart = firstbit = min;
}
}
***************
*** 508,514
mybuf[i] = '\0';
s = mybuf; /* initialize the for loop below */
if (strnEQ(s,"1-",2)) { /* can we save some time here? */
! firstart = atol(s+2)+1; /* ignore first range thusly */
s=index(s,',') + 1;
}
else
--- 512,518 -----
mybuf[i] = '\0';
s = mybuf; /* initialize the for loop below */
if (strnEQ(s,"1-",2)) { /* can we save some time here? */
! firstbit = atol(s+2)+1; /* ignore first range thusly */
s=index(s,',') + 1;
}
else
***************
*** 512,520
s=index(s,',') + 1;
}
else
! firstart = 1; /* all the bits are valid for now */
! if (absfirst > firstart) { /* do we know already? */
! firstart = absfirst; /* no point calling getngmin again */
}
else if (artopen(firstart) == Nullfp) {
/* first unread article missing? */
--- 516,524 -----
s=index(s,',') + 1;
}
else
! firstbit = 1; /* all the bits are valid for now */
! if (absfirst > firstbit) { /* do we know already? */
! firstbit = absfirst; /* no point calling getngmin again */
}
else if (artopen(firstbit) == Nullfp) {
/* first unread article missing? */
***************
*** 516,522
if (absfirst > firstart) { /* do we know already? */
firstart = absfirst; /* no point calling getngmin again */
}
! else if (artopen(firstart) == Nullfp) {
/* first unread article missing? */
i = getngmin(".",firstart); /* see if expire has been busy */
if (i) { /* avoid a bunch of extra opens */
--- 520,526 -----
if (absfirst > firstbit) { /* do we know already? */
firstbit = absfirst; /* no point calling getngmin again */
}
! else if (artopen(firstbit) == Nullfp) {
/* first unread article missing? */
i = getngmin(".",firstbit); /* see if expire has been busy */
if (i) { /* avoid a bunch of extra opens */
***************
*** 518,524
}
else if (artopen(firstart) == Nullfp) {
/* first unread article missing? */
! i = getngmin(".",firstart); /* see if expire has been busy */
if (i) { /* avoid a bunch of extra opens */
firstart = i;
}
--- 522,528 -----
}
else if (artopen(firstbit) == Nullfp) {
/* first unread article missing? */
! i = getngmin(".",firstbit); /* see if expire has been busy */
if (i) { /* avoid a bunch of extra opens */
firstbit = i;
}
***************
*** 520,526
/* first unread article missing? */
i = getngmin(".",firstart); /* see if expire has been busy */
if (i) { /* avoid a bunch of extra opens */
! firstart = i;
}
}
#ifdef PENDING
--- 524,530 -----
/* first unread article missing? */
i = getngmin(".",firstbit); /* see if expire has been busy */
if (i) { /* avoid a bunch of extra opens */
! firstbit = i;
}
}
firstart = firstbit; /* firstart > firstbit in KILL */
***************
*** 523,528
firstart = i;
}
}
#ifdef PENDING
# ifdef CACHESUBJ
subj_to_get = firstart;
--- 527,533 -----
firstbit = i;
}
}
+ firstart = firstbit; /* firstart > firstbit in KILL */
#ifdef PENDING
# ifdef CACHESUBJ
subj_to_get = firstbit;
***************
*** 525,531
}
#ifdef PENDING
# ifdef CACHESUBJ
! subj_to_get = firstart;
# endif
#endif
unread = lastart - firstart + 1; /* assume this range unread */
--- 530,536 -----
firstart = firstbit; /* firstart > firstbit in KILL */
#ifdef PENDING
# ifdef CACHESUBJ
! subj_to_get = firstbit;
# endif
#endif
unread = lastart - firstbit + 1; /* assume this range unread */
***************
*** 528,535
subj_to_get = firstart;
# endif
#endif
! unread = lastart - firstart + 1; /* assume this range unread */
! for (i=OFFSET(firstart)/BITSPERBYTE; i<ctlsize; i++)
ctlarea[i] = 0; /* assume unread */
#ifdef DEBUGGING
if (debug & DEB_CTLAREA_BITMAP) {
--- 533,540 -----
subj_to_get = firstbit;
# endif
#endif
! unread = lastart - firstbit + 1; /* assume this range unread */
! for (i=OFFSET(firstbit)/BITSPERBYTE; i<ctlsize; i++)
ctlarea[i] = 0; /* assume unread */
#ifdef DEBUGGING
if (debug & DEB_CTLAREA_BITMAP) {
***************
*** 547,554
if ((h = index(s,'-')) != Nullch) { /* is there a -? */
min = atol(s);
max = atol(h+1);
! if (min < firstart) /* make sure range is in range */
! min = firstart;
if (max > lastart)
max = lastart;
if (min <= max) /* non-null range? */
--- 552,559 -----
if ((h = index(s,'-')) != Nullch) { /* is there a -? */
min = atol(s);
max = atol(h+1);
! if (min < firstbit) /* make sure range is in range */
! min = firstbit;
if (max > lastart)
max = lastart;
if (min <= max) /* non-null range? */
***************
*** 556,562
for (i=min; i<=max; i++) /* for all articles in range */
ctl_set(i); /* mark them read */
}
! else if ((i = atol(s)) >= firstart && i <= lastart) {
/* is single number reasonable? */
ctl_set(i); /* mark it read */
unread--; /* decrement articles to read */
--- 561,567 -----
for (i=min; i<=max; i++) /* for all articles in range */
ctl_set(i); /* mark them read */
}
! else if ((i = atol(s)) >= firstbit && i <= lastart) {
/* is single number reasonable? */
ctl_set(i); /* mark it read */
unread--; /* decrement articles to read */