chris@mimsy.UUCP (Chris Torek) (01/05/89)
Chances are this bug is at least related to one I just fixed (?)
in the 4BSD vi. There is a better way; but this was easy.
RCS file: RCS/ex_vget.c,v; Working file: ex_vget.c
head: 1.3
locks: ; strict
access list:
symbolic names:
comment leader: " * "
total revisions: 3; selected revisions: 3
description:
ex/vi ex_vget.c: input for open/visual
----------------------------
revision 1.3
date: 89/01/05 01:59:18; author: chris; state: Exp; lines added/del: 14/14
beware the longjmp botch, my son
the traps that bite, the race in CATCH
beware the signal call, and shun
the high-load schedule (natch)
[well, at least it rhymes]
----------------------------
revision 1.2
date: 89/01/04 08:30:28; author: chris; state: Exp; lines added/del: 32/29
4.3tahoe prerelease edition: changes for ANSI C and VMS
----------------------------
revision 1.1
date: 89/01/03 17:42:23; author: chris; state: Exp;
Initial revision
=============================================================================
RCS file: RCS/ex_vget.c,v
retrieving revision 1.2
diff -c2 -r1.2 ex_vget.c
*** /tmp/,RCSt1018927 Thu Jan 5 02:09:13 1989
--- ex_vget.c Thu Jan 5 02:07:44 1989
***************
*** 656,684 ****
#ifdef MDEBUG
if (trace)
! fprintf(trace,"\nfastpeekkey: ",c);
#endif
Oint = signal(SIGINT, trapalarm);
! if (value(TIMEOUT) && inopen >= 0) {
! signal(SIGALRM, trapalarm);
#ifdef MDEBUG
! alarm(10);
! if (trace)
! fprintf(trace, "set alarm ");
#else
! alarm(1);
#endif
! }
! CATCH
c = peekkey();
#ifdef MDEBUG
! if (trace)
! fprintf(trace,"[OK]",c);
#endif
- alarm(0);
ONERR
c = 0;
#ifdef MDEBUG
! if (trace)
! fprintf(trace,"[TIMEOUT]",c);
#endif
ENDCATCH
--- 656,684 ----
#ifdef MDEBUG
if (trace)
! fprintf(trace,"\nfastpeekkey: ");
#endif
Oint = signal(SIGINT, trapalarm);
! CATCH
! if (value(TIMEOUT) && inopen >= 0) {
! signal(SIGALRM, trapalarm);
#ifdef MDEBUG
! alarm(10);
! if (trace)
! fprintf(trace, "set alarm ");
#else
! alarm(1);
#endif
! }
c = peekkey();
+ alarm(0);
#ifdef MDEBUG
! if (trace)
! fprintf(trace,"[OK]");
#endif
ONERR
c = 0;
#ifdef MDEBUG
! if (trace)
! fprintf(trace,"[TIMEOUT]");
#endif
ENDCATCH
--
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain: chris@mimsy.umd.edu Path: uunet!mimsy!chris