checkconfig.pl
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:2k
- #! /usr/bin/perl
- #
- # checkconfig: find uses of CONFIG_* names without matching definitions.
- # Copyright abandoned, 1998, Michael Elizabeth Chastain <mailto:mec@shout.net>.
- use integer;
- $| = 1;
- foreach $file (@ARGV)
- {
- # Open this file.
- open(FILE, $file) || die "Can't open $file: $!n";
- # Initialize variables.
- my $fInComment = 0;
- my $fInString = 0;
- my $fUseConfig = 0;
- my $iLinuxConfig = 0;
- my %configList = ();
- LINE: while ( <FILE> )
- {
- # Strip comments.
- $fInComment && (s+^.*?*/+ +o ? ($fInComment = 0) : next);
- m+/*+o && (s+/*.*?*/+ +go, (s+/*.*$+ +o && ($fInComment = 1)));
- # Pick up definitions.
- if ( m/^s*#/o )
- {
- $iLinuxConfig = $. if m/^s*#s*includes*"linux/config.h"/o;
- $configList{uc $1} = 1 if m/^s*#s*includes*"config/(S*).h"/o;
- }
- # Strip strings.
- $fInString && (s+^.*?"+ +o ? ($fInString = 0) : next);
- m+"+o && (s+".*?"+ +go, (s+".*$+ +o && ($fInString = 1)));
- # Pick up definitions.
- if ( m/^s*#/o )
- {
- $iLinuxConfig = $. if m/^s*#s*includes*<linux/config.h>/o;
- $configList{uc $1} = 1 if m/^s*#s*includes*<config/(S*).h>/o;
- $configList{$1} = 1 if m/^s*#s*defines+CONFIG_(w*)/o;
- $configList{$1} = 1 if m/^s*#s*undefs+CONFIG_(w*)/o;
- }
- # Look for usages.
- next unless m/CONFIG_/o;
- WORD: while ( m/bCONFIG_(w+)/og )
- {
- $fUseConfig = 1;
- last LINE if $iLinuxConfig;
- next WORD if exists $configList{$1};
- print "$file: $.: need CONFIG_$1.n";
- $configList{$1} = 0;
- }
- }
- # Report superfluous includes.
- if ( $iLinuxConfig && ! $fUseConfig )
- { print "$file: $iLinuxConfig: linux/config.h not needed.n"; }
- close(FILE);
- }