#! /usr/bin/perl
use Getopt::Long;
use POSIX;
$standard = "XOPEN2K8";
$CC = "gcc";
$tmpdir = "/tmp";
GetOptions ('headers=s' => headers, 'standard=s' => \$standard,
'flags=s' => \$flags, 'cc=s' => \$CC, 'tmpdir=s' => \$tmpdir); headers = split(/,/,join(',' headers));
# List of the headers we are testing.
if headers == ()) {
headers = ("wordexp.h", "wctype.h", "wchar.h", "varargs.h", "utmpx.h",
"utime.h", "unistd.h", "ulimit.h", "ucontext.h", "uchar.h",
"time.h", "tgmath.h", "termios.h", "tar.h", "sys/wait.h",
"sys/utsname.h", "sys/un.h", "sys/uio.h", "sys/types.h",
"sys/times.h", "sys/timeb.h", "sys/time.h", "sys/statvfs.h",
"sys/stat.h", "sys/socket.h", "sys/shm.h", "sys/sem.h",
"sys/select.h", "sys/resource.h", "sys/msg.h", "sys/mman.h",
"sys/ipc.h", "syslog.h", "stropts.h", "strings.h", "string.h",
"stdnoreturn.h", "stdlib.h", "stdio.h", "stdint.h", "stddef.h",
"stdbool.h", "stdarg.h", "stdalign.h", "spawn.h", "signal.h",
"setjmp.h", "semaphore.h", "search.h", "sched.h", "regex.h",
"pwd.h", "pthread.h", "poll.h", "nl_types.h", "netinet/tcp.h",
"netinet/in.h", "net/if.h", "netdb.h", "ndbm.h", "mqueue.h",
"monetary.h", "math.h", "locale.h", "libgen.h", "limits.h",
"langinfo.h", "iso646.h", "inttypes.h", "iconv.h", "grp.h",
"glob.h", "ftw.h", "fnmatch.h", "fmtmsg.h", "float.h", "fenv.h",
"fcntl.h", "errno.h", "dlfcn.h", "dirent.h", "ctype.h", "cpio.h",
"complex.h", "assert.h", "arpa/inet.h", "aio.h");
}
$CFLAGS{"ISO"} = "-ansi";
$CFLAGS{"ISO99"} = "-std=c99";
$CFLAGS{"ISO11"} = "-std=c1x -D_ISOC11_SOURCE";
$CFLAGS{"POSIX"} = "-D_POSIX_C_SOURCE=199912 -ansi";
$CFLAGS{"XPG3"} = "-ansi -D_XOPEN_SOURCE";
$CFLAGS{"XPG4"} = "-ansi -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED";
$CFLAGS{"UNIX98"} = "-ansi -D_XOPEN_SOURCE=500";
$CFLAGS{"XOPEN2K"} = "-std=c99 -D_XOPEN_SOURCE=600";
$CFLAGS{"XOPEN2K8"} = "-std=c99 -D_XOPEN_SOURCE=700";
$CFLAGS{"POSIX2008"} = "-std=c99 -D_POSIX_C_SOURCE=200809L";
$CFLAGS_namespace = "$flags -fno-builtin $CFLAGS{$standard} -D_ISOMAC";
$CFLAGS = "$CFLAGS_namespace '-D__attribute__(x)='";
# Check standard name for validity.
die "unknown standard \"$standard\"" if ($CFLAGS{$standard} eq "");
# if ($standard ne "XOPEN2K8" && $standard ne "POSIX2008") {
# # Some headers need a bit more attention. At least with XPG7
# # all headers should be self-contained.
# $mustprepend{'inttypes.h'} = "#include <stddef.h>\n";
# $mustprepend{'glob.h'} = "#include <sys/types.h>\n";
# $mustprepend{'grp.h'} = "#include <sys/types.h>\n";
# $mustprepend{'regex.h'} = "#include <sys/types.h>\n";
# $mustprepend{'pwd.h'} = "#include <sys/types.h>\n";
# $mustprepend{'sched.h'} = "#include <sys/types.h>\n";
# $mustprepend{'signal.h'} = "#include <pthread.h>\n#include <sys/types.h>\n";
# $mustprepend{'stdio.h'} = "#include <sys/types.h>\n";
# $mustprepend{'sys/stat.h'} = "#include <sys/types.h>\n";
# $mustprepend{'wchar.h'} = "#include <stdarg.h>\n";
# $mustprepend{'wordexp.h'} = "#include <stddef.h>\n";
# }
# These are the ISO C90 keywords. Keywords = ('auto', 'break', 'case', 'char', 'const', 'continue', 'default',
'do', 'double', 'else', 'enum', 'extern', 'float', 'for', 'goto',
'if', 'int', 'long', 'register', 'return',
'short', 'signed', 'sizeof', 'static', 'struct', 'switch',
'typedef', 'union', 'unsigned', 'void', 'volatile', 'while');
if ($CFLAGS{$standard} =~ /-std=(c99|c1x)/) {
push Keywords, 'inline', 'restrict');
}
# Make a hash table from this information.
while ($#keywords >= 0) {
$iskeyword{pop Keywords)} = 1;
}
$verbose = 1;
$total = 0;
$skipped = 0;
$errors = 0;
sub poorfnmatch {
my($pattern, $string) = @_;
my($strlen) = length ($string);
my($res);
if (substr ($pattern, 0, 1) eq '*') {
my($patlen) = length ($pattern) - 1;
$res = ($strlen >= $patlen
&& substr ($pattern, -$patlen, $patlen) eq substr ($string, -$patlen, $patlen));
} elsif (substr ($pattern, -1, 1) eq '*') {
if (substr ($pattern, -2, 1) eq ']') {
my($patlen) = index ($pattern, '[');
my($range) = substr ($pattern, $patlen + 1, -2);
$res = ($strlen > $patlen
&& substr ($pattern, 0, $patlen) eq substr ($string, 0, $patlen)
&& index ($range, substr ($string, $patlen, 1)) != -1);
} else {
my($patlen) = length ($pattern) - 1;
$res = ($strlen >= $patlen
&& substr ($pattern, 0, $patlen) eq substr ($string, 0, $patlen));
}
} else {
$res = $pattern eq $string;
}
return $res;
}
sub compiletest
{
my($fnamebase, $msg, $errmsg, $skip, $optional) = @_;
my($result) = $skip;
my($printlog) = 0;
++$total;
printf (" $msg...");
if ($skip != 0) {
++$skipped;
printf (" SKIP\n");
} else {
$ret = system "$CC $CFLAGS -c $fnamebase.c -o $fnamebase.o > $fnamebase.out 2>&1";
if ($ret != 0) {
if ($optional != 0) {
printf (" $errmsg\n");
$result = 1;
} else {
printf (" FAIL\n");
if ($verbose != 0) {
printf (" $errmsg Compiler message:\n");
$printlog = 1;
}
++$errors;
$result = 1;
}
} else {
printf (" OK\n");
if ($verbose > 1 && -s "$fnamebase.out") {
# We print all warnings issued.
$printlog = 1;
}
}
if ($printlog != 0) {
printf (" " . "-" x 71 . "\n");
open (MESSAGE, "< $fnamebase.out");
while (<MESSAGE>) {
printf (" %s", $_);
}
close (MESSAGE);
printf (" " . "-" x 71 . "\n");
}
}
unlink "$fnamebase.c";
unlink "$fnamebase.o";
unlink "$fnamebase.out";
$result;
}
sub runtest
{
my($fnamebase, $msg, $errmsg, $skip) = @_;
my($result) = $skip;
my($printlog) = 0;
++$total;
printf (" $msg...");
if ($skip != 0) {
++$skipped;
printf (" SKIP\n");
} else {
$ret = system "$CC $CFLAGS -o $fnamebase $fnamebase.c > $fnamebase.out 2>&1";
if ($ret != 0) {
printf (" FAIL\n");
if ($verbose != 0) {
printf (" $errmsg Compiler message:\n");
$printlog = 1;
}
++$errors;
$result = 1;
} else {
# Now run the program. If the exit code is not zero something is wrong.
$result = system "$fnamebase > $fnamebase.out2 2>&1";
if ($result == 0) {
printf (" OK\n");
if ($verbose > 1 && -s "$fnamebase.out") {
# We print all warnings issued.
$printlog = 1;
system "cat $fnamebase.out2 >> $fnamebase.out";
}
} else {
printf (" FAIL\n");
++$errors;
$printlog = 1;
unlink "$fnamebase.out";
rename "$fnamebase.out2", "$fnamebase.out";
}
}
if ($printlog != 0) {
printf (" " . "-" x 71 . "\n");
open (MESSAGE, "< $fnamebase.out");
while (<MESSAGE>) {
printf (" %s", $_);
}
close (MESSAGE);
printf (" " . "-" x 71 . "\n");
}
}
unlink "$fnamebase";
unlink "$fnamebase.c";
unlink "$fnamebase.o";
unlink "$fnamebase.out";
unlink "$fnamebase.out2";
$result;
}
sub newtoken {
my($token, @allow) = @_;
my($idx);
return if ($token =~ /^[0-9_]/ || $iskeyword{$token});
for ($idx = 0; $idx <= $#allow; ++$idx) {
return if (poorfnmatch ($allow[$idx], $token));
}
}
sub removetoken {
my($token) = @_;
my($idx);
return if ($token =~ /^[0-9_]/ || $iskeyword{$token});
if (exists $errors{$token}) {
undef $errors{$token};
}
}
sub checknamespace {
my($h, $fnamebase, @allow) = @_;
++$total;
# Generate a program to get the contents of this header.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "#include <$h>\n";
close (TESTFILE);
undef %errors;
$nknown = 0;
open (CONTENT, "$CC $CFLAGS_namespace -E $fnamebase.c -P -Wp,-dN | sed -e '/^# [1-9]/d' -e '/^[[:space:]]*\$/d' |");
loop: while (<CONTENT>) {
chop;
if (/^#define (.*)/) {
newtoken ($1, @allow);
} elsif (/^#undef (.*)/) {
removetoken ($1);
} else {
# We have to tokenize the line.
my($str) = $_;
my($index) = 0;
my($len) = length ($str);
foreach $token (split(/[^a-zA-Z0-9_]/, $str)) {
if ($token ne "") {
newtoken ($token, @allow);
}
}
}
}
close (CONTENT);
unlink "$fnamebase.c";
$realerror = 0;
if ($#errors != 0) {
# Sort the output list so it's easier to compare results with diff.
foreach $f (sort keys(%errors)) {
if ($errors{$f} == 1) {
if ($realerror == 0) {
printf ("FAIL\n " . "-" x 72 . "\n");
$realerror = 1;
++$errors;
}
printf (" Namespace violation: \"%s\"\n", $f);
}
}
printf (" " . "-" x 72 . "\n") if ($realerror != 0);
}
if ($realerror == 0) {
printf ("OK\n");
}
}
while ($#headers >= 0) {
my($h) = pop headers);
my($hf) = $h;
$hf =~ s|/|-|;
my($fnamebase) = "$tmpdir/$hf-test";
my($missing) = 1;
my(@allow) = ();
my(@allowheader) = ();
my(%seenheader) = ();
my($prepend) = $mustprepend{$h};
my($test_exist) = 1;
printf ("Testing <$h>\n");
printf ("----------" . "-" x length ($h) . "\n");
open (CONTROL, "$CC -E -D$standard -x c data/$h-data |");
control: while (<CONTROL>) {
chop;
next control if (/^#/);
next control if (/^[ ]*$/);
if ($test_exist) {
$test_exist = 0;
# Generate a program to test for the availability of this header.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
close (TESTFILE);
$missing = compiletest ($fnamebase, "Checking whether <$h> is available",
"Header <$h> not available", 0, 0);
printf ("\n");
last control if ($missing);
}
my($optional) = 0;
if (/^optional-/) {
s/^optional-//;
$optional = 1;
}
if (/^element *({([^}]*)}|([^{ ]*)) *({([^}]*)}|([^{ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
my($struct) = "$2$3";
my($type) = "$5$6";
my($member) = "$7";
my($rest) = "$8";
my($res) = $missing;
# Remember that this name is allowed.
push @allow, $member;
# Generate a program to test for the availability of this member.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
print TESTFILE "$struct a;\n";
print TESTFILE "$struct b;\n";
print TESTFILE "extern void xyzzy (__typeof__ (&b.$member), __typeof__ (&a.$member), unsigned);\n";
print TESTFILE "void foobarbaz (void) {\n";
print TESTFILE " xyzzy (&a.$member, &b.$member, sizeof (a.$member));\n";
print TESTFILE "}\n";
close (TESTFILE);
$res = compiletest ($fnamebase, "Testing for member $member",
($optional
? "NOT AVAILABLE."
: "Member \"$member\" not available."), $res,
$optional);
if ($res == 0 || $missing != 0 || !$optional) {
# Test the types of the members.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
print TESTFILE "$struct a;\n";
print TESTFILE "extern $type b$rest;\n";
print TESTFILE "extern __typeof__ (a.$member) b;\n";
close (TESTFILE);
compiletest ($fnamebase, "Testing for type of member $member",
"Member \"$member\" does not have the correct type.",
$res, 0);
}
} elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
my($symbol_type) = $1;
my($symbol) = $2;
my($type) = $3;
my($op) = $4;
my($value) = $5;
my($res) = $missing;
my($mres) = $missing;
my($cres) = $missing;
# Remember that this name is allowed.
push @allow, $symbol;
if ($symbol_type =~ /macro/) {
# Generate a program to test for availability of this macro.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
print TESTFILE "#ifndef $symbol\n";
print TESTFILE "# error \"Macro $symbol not defined\"\n";
print TESTFILE "#endif\n";
close (TESTFILE);
$mres = compiletest ($fnamebase, "Test availability of macro $symbol",
($optional
? "NOT PRESENT"
: "Macro \"$symbol\" is not available."), $res,
$optional);
}
if ($symbol_type =~ /constant/) {
# Generate a program to test for the availability of this constant.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
print TESTFILE "__typeof__ ($symbol) a = $symbol;\n";
close (TESTFILE);
$cres = compiletest ($fnamebase, "Testing for constant $symbol",
($optional
? "NOT PRESENT"
: "Constant \"$symbol\" not available."), $res,
$optional);
}
$res = $res || $mres || $cres;
if ($symbol_type eq "macro-int-constant" && ($res == 0 || !$optional)) {
# Test that the symbol is usable in #if.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
print TESTFILE "#if $symbol < 0\n";
print TESTFILE "# define conformtest_negative 1\n";
my($s) = "0";
for (my $i = 0; $i < 63; $i++) {
print TESTFILE "# if $symbol & (1LL << $i)\n";
print TESTFILE "# define conformtest_bit_$i 0LL\n";
print TESTFILE "# else\n";
print TESTFILE "# define conformtest_bit_$i (1LL << $i)\n";
print TESTFILE "# endif\n";
$s .= "|conformtest_bit_$i";
}
print TESTFILE "# define conformtest_value ~($s)\n";
print TESTFILE "#else\n";
print TESTFILE "# define conformtest_negative 0\n";
$s = "0";
for (my $i = 0; $i < 64; $i++) {
print TESTFILE "# if $symbol & (1ULL << $i)\n";
print TESTFILE "# define conformtest_bit_$i (1ULL << $i)\n";
print TESTFILE "# else\n";
print TESTFILE "# define conformtest_bit_$i 0ULL\n";
print TESTFILE "# endif\n";
$s .= "|conformtest_bit_$i";
}
print TESTFILE "# define conformtest_value ($s)\n";
print TESTFILE "#endif\n";
print TESTFILE "int main (void) { return !((($symbol < 0) == conformtest_negative) && ($symbol == conformtest_value)); }\n";
close (TESTFILE);
runtest ($fnamebase, "Testing for #if usability of symbol $symbol",
"Symbol \"$symbol\" not usable in #if.", $res);
}
if (defined ($type) && ($res == 0 || !$optional)) {
# Test the type of the symbol.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
if ($type =~ /^promoted:/) {
$type =~ s/^promoted://;
print TESTFILE "__typeof__ (($type) 0 + ($type) 0) a;\n";
} else {
print TESTFILE "__typeof__ (($type) 0) a;\n";
}
print TESTFILE "extern __typeof__ ($symbol) a;\n";
close (TESTFILE);
compiletest ($fnamebase, "Testing for type of symbol $symbol",
"Symbol \"$symbol\" does not have the correct type.",
$res, 0);
}
if (defined ($op) && ($res == 0 || !$optional)) {
# Generate a program to test for the value of this symbol.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
# Negate the value since 0 means ok
print TESTFILE "int main (void) { return !($symbol $op $value); }\n";
close (TESTFILE);
$res = runtest ($fnamebase, "Testing for value of symbol $symbol",
"Symbol \"$symbol\" has not the right value.", $res);
}
} elsif (/^symbol *([a-zA-Z0-9_]*) *([A-Za-z0-9_-]*)?/) {
my($symbol) = $1;
my($value) = $2;
my($res) = $missing;
# Remember that this name is allowed.
push @allow, $symbol;
# Generate a program to test for the availability of this constant.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
print TESTFILE "void foobarbaz (void) {\n";
print TESTFILE "__typeof__ ($symbol) a = $symbol;\n";
print TESTFILE "}\n";
close (TESTFILE);
$res = compiletest ($fnamebase, "Testing for symbol $symbol",
"Symbol \"$symbol\" not available.", $res, 0);
if ($value ne "") {
# Generate a program to test for the value of this constant.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
print TESTFILE "int main (void) { return $symbol != $value; }\n";
close (TESTFILE);
$res = runtest ($fnamebase, "Testing for value of symbol $symbol",
"Symbol \"$symbol\" has not the right value.", $res);
}
} elsif (/^type *({([^}]*)|([a-zA-Z0-9_]*))/) {
my($type) = "$2$3";
my($maybe_opaque) = 0;
# Remember that this name is allowed.
if ($type =~ /^struct *(.*)/) {
push @allow, $1;
} elsif ($type =~ /^union *(.*)/) {
push @allow, $1;
} else {
push @allow, $type;
$maybe_opaque = 1;
}
# Generate a program to test for the availability of this type.
open (TESTFILE, ">$fnamebase.c");
print TESTFILE "$prepend";
print TESTFILE "#include <$h>\n";
if ($maybe_opaque == 1) {
print TESTFILE "$type *a;\n";
} else {
print TESTFILE "$type a;\n";
}
close (TESTFILE);