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Fix a bug in previous revision.

Browse source 
The bc(1) program may need to deal with files when it's being run in
interactive mode, so we can not blindly use interactive mode (in turn
use libedit) but need to check if the input source is really the standard
input.

This commit should fix a regression where 'bc -l' would not parse the
mathlib.

Reported by:	trasz
This commit is contained in:
Xin LI 2010-02-05 18:17:17 +00:00
parent f801fa102d
commit 89ff1978d6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=203531
1 changed files with 1 additions and 1 deletions
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2
usr.bin/bc/scan.l
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@ -301,7 +301,7 @@ static int
bc_yyinput(char *buf, int maxlen)
{
int num;
if (interactive) {
if (yyin == stdin && interactive) {
const char *bp;
if ((bp = el_gets(el, &num)) == NULL || num == 0)