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Bug 110697 - bad source code
bad source code
Product: Fedora
Classification: Fedora
Component: compat-db (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Jindrich Novy
Depends On:
  Show dependency treegraph
Reported: 2003-11-23 11:16 EST by d.binderman
Modified: 2013-07-02 18:58 EDT (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2006-02-14 09:05:26 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
Patch that clarifies the correct behavior (986 bytes, patch)
2005-05-05 10:35 EDT, Dan Williams
no flags Details | Diff

  None (edit)
Description d.binderman 2003-11-23 11:16:20 EST
From Bugzilla Helper:
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)

Description of problem:
I just tried to compile package compat-db-4_0_14-2 with compiler
flag -Wall.

The compiler said

../db_load/db_load.c:810: warning: operation on `instr' may be 

The source code file is

The source code is

                        c = digitize(dbenv, *instr, &e1) << 4 |
                            digitize(dbenv, *++instr, &e2);

Much better code is

                        c = digitize(dbenv, instr[ 0], &e1) << 4 |
                            digitize(dbenv, instr[ 1], &e2);

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. compile package with compiler flag -Wall.

Additional info:
Comment 1 Dan Williams 2005-05-05 10:35:24 EDT
Created attachment 114057 [details]
Patch that clarifies the correct behavior
Comment 2 Jindrich Novy 2006-02-14 09:05:26 EST
The pointer arithmetics is now clarified since compat-db-4.2.52-4.
Comment 3 Fedora Update System 2006-02-17 14:18:17 EST
From User-Agent: XML-RPC

compat-db-4.2.52-2.FC4 has been pushed for FC4, which should resolve this issue.  If these problems are still present in this version, then please make note of it in this bug report.

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