Date: Wed, 17 Jul 1996 17:54:01 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, davidg@root.com Cc: bostic@bsdi.com, current@FreeBSD.org, mark@linus.demon.co.uk Subject: Re: sed broken Message-ID: <199607170754.RAA00019@godzilla.zeta.org.au>
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>>Making init_sysent.c in /sys/kern no longer works. sed looped and grew to
>>50MB before I killed it. I backed out to rounds of attempted fixes to
>>sed/compile.c (to rev.1.4) and the make worked again.
> Try Keith Bostic's final version (you'll have to dig it out of PR#1350) and
>see if it works.
Our PR's seem to be tangled up: some followups to #1350 are in #1353, #1354
and #1356 with Keith's final version in #1356.
I fixed it independently before locating all the PR's. My version is
the same as Keith's except it loses more gracefully for lines not
terminated by a newline.
Bruce
Index: compile.c
===================================================================
RCS file: /a/ncvs/src/usr.bin/sed/compile.c,v
retrieving revision 1.4
diff -c -2 -r1.4 compile.c
*** compile.c 1995/08/16 05:56:42 1.4
--- compile.c 1996/07/17 07:08:56
***************
*** 616,620 ****
compile_text()
{
! int asize, size;
char *text, *p, *op, *s;
char lbuf[_POSIX2_LINE_MAX + 1];
--- 616,620 ----
compile_text()
{
! int asize, esc_nl, size;
char *text, *p, *op, *s;
char lbuf[_POSIX2_LINE_MAX + 1];
***************
*** 627,637 ****
p = lbuf;
EATSPACE();
! for (; *p; p++) {
! if (*p == '\\')
! p++;
*s++ = *p;
}
size += s - op;
! if (p[-2] != '\\') {
*s = '\0';
break;
--- 627,637 ----
p = lbuf;
EATSPACE();
! for (esc_nl = 0; *p != '\0'; p++) {
! if (*p == '\\' && p[1] != '\0' && *++p == '\n')
! esc_nl = 1;
*s++ = *p;
}
size += s - op;
! if (!esc_nl) {
*s = '\0';
break;
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