Date: Fri, 11 Jun 1999 22:37:57 +0200 From: Tor.Egge@fast.no To: mi@aldan.algebra.com Cc: gnats-admin@FreeBSD.ORG, freebsd-bugs@FreeBSD.ORG Subject: Re: bin/12137: something wrong with shell -- functions with arithm expressions Message-ID: <199906112037.WAA34835@midten.fast.no> In-Reply-To: Your message of "Fri, 11 Jun 1999 13:14:17 -0400 (EDT)" References: <199906111714.NAA58200@misha.cisco.com>
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[-- Attachment #1 --]
> Again, bash and ksh print out 15 for all of the strings...
So will /bin/sh, if you apply the enclosed patch:
- Tor Egge
[-- Attachment #2 --]
Index: expand.c
===================================================================
RCS file: /home/ncvs/src/bin/sh/expand.c,v
retrieving revision 1.28
diff -u -r1.28 expand.c
--- expand.c 1999/05/08 10:21:49 1.28
+++ expand.c 1999/06/11 20:34:20
@@ -679,11 +679,13 @@
if (set && subtype != VSPLUS) {
/* insert the value of the variable */
if (special) {
- varvalue(var, varflags & VSQUOTE, flag & EXP_FULL);
if (subtype == VSLENGTH) {
+ varvalue(var, 0, flag & EXP_FULL);
varlen = expdest - stackblock() - startloc;
STADJUST(-varlen, expdest);
- }
+ } else
+ varvalue(var, varflags & VSQUOTE,
+ flag & EXP_FULL);
} else {
char const *syntax = (varflags & VSQUOTE) ? DQSYNTAX
: BASESYNTAX;
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