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kbuild: add checks for include of linux/types in userspace headers

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If we see __[us](8|16|32|64) then we must include <linux/types.h>
If wee see include of <asm/types.h> then we recommend <linux/types.h>

Original script from Mike but modified by me.

Cc: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg 2008-12-30 11:34:58 +01:00
parent 521b0c774d
commit 483b41218f
1 changed files with 44 additions and 3 deletions
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47
scripts/headers_check.pl
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@ -34,9 +34,11 @@ foreach my $file (@files) {
$lineno = 0;
while ($line = <FH>) {
$lineno++;
check_include();
check_prototypes();
check_config();
&check_include();
&check_asm_types();
&check_sizetypes();
&check_prototypes();
&check_config();
}
close FH;
}
@ -73,3 +75,42 @@ sub check_config
}
}
my $linux_asm_types;
sub check_asm_types()
{
if ($lineno == 1) {
$linux_asm_types = 0;
} elsif ($linux_asm_types >= 1) {
return;
}
if ($line =~ m/^\s*#\s*include\s+<asm\/types.h>/) {
$linux_asm_types = 1;
printf STDERR "$filename:$lineno: " .
"include of <linux/types.h> is preferred over <asm/types.h>\n"
# Warn until headers are all fixed
#$ret = 1;
}
}
my $linux_types;
sub check_sizetypes
{
if ($lineno == 1) {
$linux_types = 0;
} elsif ($linux_types >= 1) {
return;
}
if ($line =~ m/^\s*#\s*include\s+<linux\/types.h>/) {
$linux_types = 1;
return;
}
if ($line =~ m/__[us](8|16|32|64)\b/) {
printf STDERR "$filename:$lineno: " .
"found __[us]{8,16,32,64} type " .
"without #include <linux/types.h>\n";
$linux_types = 2;
# Warn until headers are all fixed
#$ret = 1;
}
}