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Article #159

lint & cflow

#159
From: masuhara
Date: Fri, 28 Aug 1992 10:45
57 lines
1711 bytes
$@=i$a$FEj9F$7$^$9!#(JSun$@$N(Jlint$@$H(Jcflow$@$G<ALd$J$N$G$9$,!"(J
$@0J2<$N%=!<%9$r(Jcflow,lint$@$K$+$1$k$H$*$+$7$/$J$j(J$@$^$9!#(J

% cat tmp.c
#include <stdio.h>

main()
{

	static int sub1(),sub2();

	sub1();
	sub2();
	return(0);
}

static sub2()
{
	char buf[10];

	sprintf(buf, "abc");
}


static sub1()
{
	printf("def\n");
}

% lint tmp.c
tmp.c(14): static function sub2 unused
sprintf returns value which is always ignored
printf returns value which is always ignored
sub2$@$,;H$o$l$F$$$J$$$H$$$o$l$^$9!#(J

% cflow tmp.c
1       main: int(), <tmp.c 4>
2               sub1: int(), <tmp.c 22>
3                       printf: <>
4               sub2: int(), <tmp.c 14>
5                       sprintf: <>
6                       sub1: 2
sub2$@$+$i(Jsub1$@$,%3!<%k$5$l$F$$$k$3$H$K$J$C$F$$$^$9!#(J

$@%=!<%9$r>/$7JQ99$9$k$H!"4|BTDL$j$N7k2L$K$J(J$@$j$^$9!#(J
$@$?$H$($P!"(Jmain()$@$NCf$N(J
	static int sub1(),sub2();
$@$r>C$9$@$1$G$b=P$J$/$J$j$^$9!#$^$?!"(J
	sprintf(buf, "abc"); $@$r(J
	printf("abc");
$@$H$7$F$b=P$J$/$J$j$^$9!#(J

$@$I$&$7$F$G$7$g$&$+!)(J
$@4D6-$O(JSS1+, SunOS Release 4.1.1$@$G$9!#(J
--
$@Kq868wL@!w>>2<EE;R9)6H(J
masuhara@da.mec.mei.co.jp
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Path: arc1-ca.pugleaf.net!sparky!uunet!sun-barr!sh.wide!wnoc-kyo!icspub!oskgate0.mei!chorus.mei!rdmei!spgw01!iegva1!mecse.mec!da.mec!dap07!masuhara
From: masuhara@da.mec.mei.co.jp
Newsgroups: fj.sys.sun
Subject: lint & cflow
Message-ID: <MASUHARA.92Aug28194545@dasp7.da.mec.mei.co.jp>
Date: 28 Aug 92 10:45:45 GMT
Sender: news@da.mec.mei.co.jp (news)
Distribution: fj
Organization: Matsushita Eletronic Co., Ltd.  Japan
Lines: 57
Nntp-Posting-Host: dasp7