conform/conformtest.pl

   1 #! /usr/bin/perl
   2
   3 use GlibcConform;
   4 use Getopt::Long;
   5 use POSIX;
   6
   7 $standard = "XOPEN2K8";
   8 $CC = "gcc";
   9 $tmpdir = "/tmp";
  10 GetOptions ('headers=s' => \@headers, 'standard=s' => \$standard,
  11             'flags=s' => \$flags, 'cc=s' => \$CC, 'tmpdir=s' => \$tmpdir);
  12 @headers = split(/,/,join(',',@headers));
  13
  14 # List of the headers we are testing.
  15 if (@headers == ()) {
  16   @headers = ("wordexp.h", "wctype.h", "wchar.h", "varargs.h", "utmpx.h",
  17               "utime.h", "unistd.h", "ulimit.h", "ucontext.h", "uchar.h",
  18               "time.h", "tgmath.h", "termios.h", "tar.h", "sys/wait.h",
  19               "sys/utsname.h", "sys/un.h", "sys/uio.h", "sys/types.h",
  20               "sys/times.h", "sys/timeb.h", "sys/time.h", "sys/statvfs.h",
  21               "sys/stat.h", "sys/socket.h", "sys/shm.h", "sys/sem.h",
  22               "sys/select.h", "sys/resource.h", "sys/msg.h", "sys/mman.h",
  23               "sys/ipc.h", "syslog.h", "stropts.h", "strings.h", "string.h",
  24               "stdnoreturn.h", "stdlib.h", "stdio.h", "stdint.h", "stddef.h",
  25               "stdbool.h", "stdarg.h", "stdalign.h", "spawn.h", "signal.h",
  26               "setjmp.h", "semaphore.h", "search.h", "sched.h", "regex.h",
  27               "pwd.h", "pthread.h", "poll.h", "nl_types.h", "netinet/tcp.h",
  28               "netinet/in.h", "net/if.h", "netdb.h", "ndbm.h", "mqueue.h",
  29               "monetary.h", "math.h", "locale.h", "libgen.h", "limits.h",
  30               "langinfo.h", "iso646.h", "inttypes.h", "iconv.h", "grp.h",
  31               "glob.h", "ftw.h", "fnmatch.h", "fmtmsg.h", "float.h", "fenv.h",
  32               "fcntl.h", "errno.h", "dlfcn.h", "dirent.h", "ctype.h", "cpio.h",
  33               "complex.h", "assert.h", "arpa/inet.h", "aio.h");
  34 }
  35
  36 $CFLAGS_namespace = "$flags -fno-builtin $CFLAGS{$standard} -D_ISOMAC";
  37 $CFLAGS = "$CFLAGS_namespace '-D__attribute__(x)='";
  38
  39 # Check standard name for validity.
  40 die "unknown standard \"$standard\"" if ($CFLAGS{$standard} eq "");
  41
  42 # if ($standard ne "XOPEN2K8" && $standard ne "POSIX2008") {
  43 #   # Some headers need a bit more attention.  At least with XPG7
  44 #   # all headers should be self-contained.
  45 #   $mustprepend{'inttypes.h'} = "#include <stddef.h>\n";
  46 #   $mustprepend{'glob.h'} = "#include <sys/types.h>\n";
  47 #   $mustprepend{'grp.h'} = "#include <sys/types.h>\n";
  48 #   $mustprepend{'regex.h'} = "#include <sys/types.h>\n";
  49 #   $mustprepend{'pwd.h'} = "#include <sys/types.h>\n";
  50 #   $mustprepend{'sched.h'} = "#include <sys/types.h>\n";
  51 #   $mustprepend{'signal.h'} = "#include <pthread.h>\n#include <sys/types.h>\n";
  52 #   $mustprepend{'stdio.h'} = "#include <sys/types.h>\n";
  53 #   $mustprepend{'sys/stat.h'} = "#include <sys/types.h>\n";
  54 #   $mustprepend{'wchar.h'} = "#include <stdarg.h>\n";
  55 #   $mustprepend{'wordexp.h'} = "#include <stddef.h>\n";
  56 # }
  57
  58 # These are the ISO C90 keywords.
  59 @keywords = ('auto', 'break', 'case', 'char', 'const', 'continue', 'default',
  60              'do', 'double', 'else', 'enum', 'extern', 'float', 'for', 'goto',
  61              'if', 'int', 'long', 'register', 'return',
  62              'short', 'signed', 'sizeof', 'static', 'struct', 'switch',
  63              'typedef', 'union', 'unsigned', 'void', 'volatile', 'while');
  64 if ($CFLAGS{$standard} =~ /-std=(c99|c1x)/) {
  65   push (@keywords, 'inline', 'restrict');
  66 }
  67
  68 # Make a hash table from this information.
  69 while ($#keywords >= 0) {
  70   $iskeyword{pop (@keywords)} = 1;
  71 }
  72
  73 $verbose = 1;
  74
  75 $total = 0;
  76 $skipped = 0;
  77 $errors = 0;
  78 $xerrors = 0;
  79
  80 sub note_error {
  81   my($xfail) = @_;
  82   if ($xfail) {
  83     $xerrors++;
  84     printf ("Ignoring this failure.\n");
  85   } else {
  86     $errors++;
  87   }
  88 }
  89
  90
  91 sub poorfnmatch {
  92   my($pattern, $string) = @_;
  93   my($strlen) = length ($string);
  94   my($res);
  95
  96   if (substr ($pattern, 0, 1) eq '*') {
  97     my($patlen) = length ($pattern) - 1;
  98     $res = ($strlen >= $patlen
  99             && substr ($pattern, -$patlen, $patlen) eq substr ($string, -$patlen, $patlen));
 100   } elsif (substr ($pattern, -1, 1) eq '*') {
 101     if (substr ($pattern, -2, 1) eq ']') {
 102       my($patlen) = index ($pattern, '[');
 103       my($range) = substr ($pattern, $patlen + 1, -2);
 104       $res = ($strlen > $patlen
 105               && substr ($pattern, 0, $patlen) eq substr ($string, 0, $patlen)
 106               && index ($range, substr ($string, $patlen, 1)) != -1);
 107     } else {
 108       my($patlen) = length ($pattern) - 1;
 109       $res = ($strlen >= $patlen
 110               && substr ($pattern, 0, $patlen) eq substr ($string, 0, $patlen));
 111     }
 112   } else {
 113     $res = $pattern eq $string;
 114   }
 115   return $res;
 116 }
 117
 118
 119 sub compiletest
 120 {
 121   my($fnamebase, $msg, $errmsg, $skip, $optional, $xfail) = @_;
 122   my($result) = $skip;
 123   my($printlog) = 0;
 124
 125   ++$total;
 126   printf ("  $msg...");
 127
 128   if ($skip != 0) {
 129     ++$skipped;
 130     printf (" SKIP\n");
 131   } else {
 132     $ret = system "$CC $CFLAGS -c $fnamebase.c -o $fnamebase.o > $fnamebase.out 2>&1";
 133     if ($ret != 0) {
 134       if ($optional != 0) {
 135         printf (" $errmsg\n");
 136         $result = 1;
 137       } else {
 138         printf (" FAIL\n");
 139         if ($verbose != 0) {
 140           printf ("    $errmsg  Compiler message:\n");
 141           $printlog = 1;
 142         }
 143         note_error($xfail);
 144         $result = 1;
 145       }
 146     } else {
 147       printf (" OK\n");
 148       if ($verbose > 1 && -s "$fnamebase.out") {
 149         # We print all warnings issued.
 150         $printlog = 1;
 151       }
 152     }
 153     if ($printlog != 0) {
 154       printf ("    " . "-" x 71 . "\n");
 155       open (MESSAGE, "< $fnamebase.out");
 156       while (<MESSAGE>) {
 157         printf ("    %s", $_);
 158       }
 159       close (MESSAGE);
 160       printf ("    " . "-" x 71 . "\n");
 161     }
 162   }
 163   unlink "$fnamebase.c";
 164   unlink "$fnamebase.o";
 165   unlink "$fnamebase.out";
 166
 167   $result;
 168 }
 169
 170
 171 sub runtest
 172 {
 173   my($fnamebase, $msg, $errmsg, $skip, $xfail) = @_;
 174   my($result) = $skip;
 175   my($printlog) = 0;
 176
 177   ++$total;
 178   printf ("  $msg...");
 179
 180   if ($skip != 0) {
 181     ++$skipped;
 182     printf (" SKIP\n");
 183   } else {
 184     $ret = system "$CC $CFLAGS -o $fnamebase $fnamebase.c > $fnamebase.out 2>&1";
 185     if ($ret != 0) {
 186       printf (" FAIL\n");
 187       if ($verbose != 0) {
 188         printf ("    $errmsg  Compiler message:\n");
 189         $printlog = 1;
 190       }
 191       note_error($xfail);
 192       $result = 1;
 193     } else {
 194       # Now run the program.  If the exit code is not zero something is wrong.
 195       $result = system "$fnamebase > $fnamebase.out2 2>&1";
 196       if ($result == 0) {
 197         printf (" OK\n");
 198         if ($verbose > 1 && -s "$fnamebase.out") {
 199           # We print all warnings issued.
 200           $printlog = 1;
 201           system "cat $fnamebase.out2 >> $fnamebase.out";
 202         }
 203       } else {
 204         printf (" FAIL\n");
 205         note_error($xfail);
 206         $printlog = 1;
 207         unlink "$fnamebase.out";
 208         rename "$fnamebase.out2", "$fnamebase.out";
 209       }
 210     }
 211     if ($printlog != 0) {
 212       printf ("    " . "-" x 71 . "\n");
 213       open (MESSAGE, "< $fnamebase.out");
 214       while (<MESSAGE>) {
 215         printf ("    %s", $_);
 216       }
 217       close (MESSAGE);
 218       printf ("    " . "-" x 71 . "\n");
 219     }
 220   }
 221   unlink "$fnamebase";
 222   unlink "$fnamebase.c";
 223   unlink "$fnamebase.o";
 224   unlink "$fnamebase.out";
 225   unlink "$fnamebase.out2";
 226
 227   $result;
 228 }
 229
 230
 231 sub newtoken {
 232   my($token, @allow) = @_;
 233   my($idx);
 234
 235   return if ($token =~ /^[0-9_]/ || $iskeyword{$token});
 236
 237   for ($idx = 0; $idx <= $#allow; ++$idx) {
 238     return if (poorfnmatch ($allow[$idx], $token));
 239   }
 240
 241   $errors{$token} = 1;
 242 }
 243
 244
 245 sub removetoken {
 246   my($token) = @_;
 247   my($idx);
 248
 249   return if ($token =~ /^[0-9_]/ || $iskeyword{$token});
 250
 251   if (exists $errors{$token}) {
 252     undef $errors{$token};
 253   }
 254 }
 255
 256
 257 sub checknamespace {
 258   my($h, $fnamebase, @allow) = @_;
 259
 260   ++$total;
 261
 262   # Generate a program to get the contents of this header.
 263   open (TESTFILE, ">$fnamebase.c");
 264   print TESTFILE "#include <$h>\n";
 265   close (TESTFILE);
 266
 267   undef %errors;
 268   open (CONTENT, "$CC $CFLAGS_namespace -E $fnamebase.c -P -Wp,-dN | sed -e '/^# [1-9]/d' -e '/^[[:space:]]*\$/d' |");
 269   loop: while (<CONTENT>) {
 270     chop;
 271     if (/^#define (.*)/) {
 272       newtoken ($1, @allow);
 273     } elsif (/^#undef (.*)/) {
 274       removetoken ($1);
 275     } else {
 276       # We have to tokenize the line.
 277       my($str) = $_;
 278
 279       $str =~ s/"[^"]*"//g;
 280       foreach $token (split(/[^a-zA-Z0-9_]/, $str)) {
 281         if ($token ne "") {
 282           newtoken ($token, @allow);
 283         }
 284       }
 285     }
 286   }
 287   close (CONTENT);
 288   unlink "$fnamebase.c";
 289   $realerror = 0;
 290   if ($#errors != 0) {
 291     # Sort the output list so it's easier to compare results with diff.
 292     foreach $f (sort keys(%errors)) {
 293       if ($errors{$f} == 1) {
 294         if ($realerror == 0) {
 295           printf ("FAIL\n    " . "-" x 72 . "\n");
 296           $realerror = 1;
 297           ++$errors;
 298         }
 299         printf ("    Namespace violation: \"%s\"\n", $f);
 300       }
 301     }
 302     printf ("    " . "-" x 72 . "\n") if ($realerror != 0);
 303   }
 304
 305   if ($realerror == 0) {
 306     printf ("OK\n");
 307   }
 308 }
 309
 310
 311 while ($#headers >= 0) {
 312   my($h) = pop (@headers);
 313   my($hf) = $h;
 314   $hf =~ s|/|-|;
 315   my($fnamebase) = "$tmpdir/$hf-test";
 316   my($missing) = 1;
 317   my(@allow) = ();
 318   my(@allowheader) = ();
 319   my(%seenheader) = ();
 320   my($prepend) = $mustprepend{$h};
 321   my($test_exist) = 1;
 322
 323   printf ("Testing <$h>\n");
 324   printf ("----------" . "-" x length ($h) . "\n");
 325
 326   open (CONTROL, "$CC -E -D$standard -std=c99 -x c data/$h-data |");
 327   control: while (<CONTROL>) {
 328     chop;
 329     next control if (/^#/);
 330     next control if (/^[        ]*$/);
 331
 332     if ($test_exist) {
 333       $test_exist = 0;
 334       # Generate a program to test for the availability of this header.
 335       open (TESTFILE, ">$fnamebase.c");
 336       print TESTFILE "$prepend";
 337       print TESTFILE "#include <$h>\n";
 338       close (TESTFILE);
 339
 340       $missing = compiletest ($fnamebase, "Checking whether <$h> is available",
 341                               "Header <$h> not available", 0, 0, 0);
 342       printf ("\n");
 343       last control if ($missing);
 344     }
 345
 346     my($xfail) = 0;
 347     if (/^xfail-/) {
 348       s/^xfail-//;
 349       $xfail = 1;
 350     }
 351     my($optional) = 0;
 352     if (/^optional-/) {
 353       s/^optional-//;
 354       $optional = 1;
 355     }
 356     if (/^element *({([^}]*)}|([^{ ]*)) *({([^}]*)}|([^{ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
 357       my($struct) = "$2$3";
 358       my($type) = "$5$6";
 359       my($member) = "$7";
 360       my($rest) = "$8";
 361       my($res) = $missing;
 362
 363       # Remember that this name is allowed.
 364       push @allow, $member;
 365
 366       # Generate a program to test for the availability of this member.
 367       open (TESTFILE, ">$fnamebase.c");
 368       print TESTFILE "$prepend";
 369       print TESTFILE "#include <$h>\n";
 370       print TESTFILE "$struct a;\n";
 371       print TESTFILE "$struct b;\n";
 372       print TESTFILE "extern void xyzzy (__typeof__ (&b.$member), __typeof__ (&a.$member), unsigned);\n";
 373       print TESTFILE "void foobarbaz (void) {\n";
 374       print TESTFILE "  xyzzy (&a.$member, &b.$member, sizeof (a.$member));\n";
 375       print TESTFILE "}\n";
 376       close (TESTFILE);
 377
 378       $res = compiletest ($fnamebase, "Testing for member $member",
 379                           ($optional
 380                            ? "NOT AVAILABLE."
 381                            : "Member \"$member\" not available."), $res,
 382                           $optional, $xfail);
 383
 384       if ($res == 0 || $missing != 0 || !$optional) {
 385         # Test the types of the members.
 386         open (TESTFILE, ">$fnamebase.c");
 387         print TESTFILE "$prepend";
 388         print TESTFILE "#include <$h>\n";
 389         print TESTFILE "$struct a;\n";
 390         print TESTFILE "extern $type b$rest;\n";
 391         print TESTFILE "extern __typeof__ (a.$member) b;\n";
 392         close (TESTFILE);
 393
 394         compiletest ($fnamebase, "Testing for type of member $member",
 395                      "Member \"$member\" does not have the correct type.",
 396                      $res, 0, $xfail);
 397       }
 398     } elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_\\'-]*))?/) {
 399       my($symbol_type) = $1;
 400       my($symbol) = $2;
 401       my($type) = $3;
 402       my($op) = $4;
 403       my($value) = $5;
 404       my($res) = $missing;
 405       my($mres) = $missing;
 406       my($cres) = $missing;
 407
 408       # Remember that this name is allowed.
 409       push @allow, $symbol;
 410
 411       if ($symbol_type =~ /macro/) {
 412         # Generate a program to test for availability of this macro.
 413         open (TESTFILE, ">$fnamebase.c");
 414         print TESTFILE "$prepend";
 415         print TESTFILE "#include <$h>\n";
 416         print TESTFILE "#ifndef $symbol\n";
 417         print TESTFILE "# error \"Macro $symbol not defined\"\n";
 418         print TESTFILE "#endif\n";
 419         close (TESTFILE);
 420
 421         $mres = compiletest ($fnamebase, "Test availability of macro $symbol",
 422                              ($optional
 423                               ? "NOT PRESENT"
 424                               : "Macro \"$symbol\" is not available."), $res,
 425                              $optional, $xfail);
 426       }
 427
 428       if ($symbol_type =~ /constant/) {
 429         # Generate a program to test for the availability of this constant.
 430         open (TESTFILE, ">$fnamebase.c");
 431         print TESTFILE "$prepend";
 432         print TESTFILE "#include <$h>\n";
 433         print TESTFILE "__typeof__ ($symbol) a = $symbol;\n";
 434         close (TESTFILE);
 435
 436         $cres = compiletest ($fnamebase, "Testing for constant $symbol",
 437                              ($optional
 438                               ? "NOT PRESENT"
 439                               : "Constant \"$symbol\" not available."), $res,
 440                              $optional, $xfail);
 441       }
 442
 443       $res = $res || $mres || $cres;
 444
 445       if ($symbol_type eq "macro-int-constant" && ($res == 0 || !$optional)) {
 446         # Test that the symbol is usable in #if.
 447         open (TESTFILE, ">$fnamebase.c");
 448         print TESTFILE "$prepend";
 449         print TESTFILE "#include <$h>\n";
 450         print TESTFILE "#if $symbol < 0\n";
 451         print TESTFILE "# define conformtest_negative 1\n";
 452         my($s) = "0";
 453         for (my $i = 0; $i < 63; $i++) {
 454           print TESTFILE "# if $symbol & (1LL << $i)\n";
 455           print TESTFILE "#  define conformtest_bit_$i 0LL\n";
 456           print TESTFILE "# else\n";
 457           print TESTFILE "#  define conformtest_bit_$i (1LL << $i)\n";
 458           print TESTFILE "# endif\n";
 459           $s .= "|conformtest_bit_$i";
 460         }
 461         print TESTFILE "# define conformtest_value ~($s)\n";
 462         print TESTFILE "#else\n";
 463         print TESTFILE "# define conformtest_negative 0\n";
 464         $s = "0";
 465         for (my $i = 0; $i < 64; $i++) {
 466           print TESTFILE "# if $symbol & (1ULL << $i)\n";
 467           print TESTFILE "#  define conformtest_bit_$i (1ULL << $i)\n";
 468           print TESTFILE "# else\n";
 469           print TESTFILE "#  define conformtest_bit_$i 0ULL\n";
 470           print TESTFILE "# endif\n";
 471           $s .= "|conformtest_bit_$i";
 472         }
 473         print TESTFILE "# define conformtest_value ($s)\n";
 474         print TESTFILE "#endif\n";
 475         print TESTFILE "int main (void) { return !((($symbol < 0) == conformtest_negative) && ($symbol == conformtest_value)); }\n";
 476         close (TESTFILE);
 477
 478         runtest ($fnamebase, "Testing for #if usability of symbol $symbol",
 479                  "Symbol \"$symbol\" not usable in #if.", $res, $xfail);
 480       }
 481
 482       if (defined ($type) && ($res == 0 || !$optional)) {
 483         # Test the type of the symbol.
 484         open (TESTFILE, ">$fnamebase.c");
 485         print TESTFILE "$prepend";
 486         print TESTFILE "#include <$h>\n";
 487         if ($type =~ /^promoted:/) {
 488           $type =~ s/^promoted://;
 489           print TESTFILE "__typeof__ (($type) 0 + ($type) 0) a;\n";
 490         } else {
 491           print TESTFILE "__typeof__ (($type) 0) a;\n";
 492         }
 493         print TESTFILE "extern __typeof__ ($symbol) a;\n";
 494         close (TESTFILE);
 495
 496         compiletest ($fnamebase, "Testing for type of symbol $symbol",
 497                      "Symbol \"$symbol\" does not have the correct type.",
 498                      $res, 0, $xfail);
 499       }
 500
 501       if (defined ($op) && ($res == 0 || !$optional)) {
 502         # Generate a program to test for the value of this symbol.
 503         open (TESTFILE, ">$fnamebase.c");
 504         print TESTFILE "$prepend";
 505         print TESTFILE "#include <$h>\n";
 506         # Negate the value since 0 means ok
 507         print TESTFILE "int main (void) { return !($symbol $op $value); }\n";
 508         close (TESTFILE);
 509
 510         $res = runtest ($fnamebase, "Testing for value of symbol $symbol",
 511                         "Symbol \"$symbol\" has not the right value.", $res,
 512                         $xfail);
 513       }
 514     } elsif (/^symbol *([a-zA-Z0-9_]*) *([A-Za-z0-9_-]*)?/) {
 515       my($symbol) = $1;
 516       my($value) = $2;
 517       my($res) = $missing;
 518
 519       # Remember that this name is allowed.
 520       push @allow, $symbol;
 521
 522       # Generate a program to test for the availability of this constant.
 523       open (TESTFILE, ">$fnamebase.c");
 524       print TESTFILE "$prepend";
 525       print TESTFILE "#include <$h>\n";
 526       print TESTFILE "void foobarbaz (void) {\n";
 527       print TESTFILE "__typeof__ ($symbol) a = $symbol;\n";
 528       print TESTFILE "}\n";
 529       close (TESTFILE);
 530
 531       $res = compiletest ($fnamebase, "Testing for symbol $symbol",
 532                           "Symbol \"$symbol\" not available.", $res, 0, $xfail);
 533
 534       if ($value ne "") {
 535         # Generate a program to test for the value of this constant.
 536         open (TESTFILE, ">$fnamebase.c");
 537         print TESTFILE "$prepend";
 538         print TESTFILE "#include <$h>\n";
 539         print TESTFILE "int main (void) { return $symbol != $value; }\n";
 540         close (TESTFILE);
 541
 542         $res = runtest ($fnamebase, "Testing for value of symbol $symbol",
 543                         "Symbol \"$symbol\" has not the right value.", $res,
 544                         $xfail);
 545       }
 546     } elsif (/^type *({([^}]*)|([a-zA-Z0-9_]*))/) {
 547       my($type) = "$2$3";
 548       my($maybe_opaque) = 0;
 549
 550       # Remember that this name is allowed.
 551       if ($type =~ /^struct *(.*)/) {
 552         push @allow, $1;
 553       } elsif ($type =~ /^union *(.*)/) {
 554         push @allow, $1;
 555       } else {
 556         push @allow, $type;
 557         $maybe_opaque = 1;
 558       }
 559
 560       # Generate a program to test for the availability of this type.
 561       open (TESTFILE, ">$fnamebase.c");
 562       print TESTFILE "$prepend";
 563       print TESTFILE "#include <$h>\n";
 564       if ($maybe_opaque == 1) {
 565         print TESTFILE "$type *a;\n";
 566       } else {
 567         print TESTFILE "$type a;\n";
 568       }
 569       close (TESTFILE);
 570
 571       compiletest ($fnamebase, "Testing for type $type",
 572                    ($optional
 573                     ? "NOT AVAILABLE"
 574                     : "Type \"$type\" not available."), $missing, $optional,
 575                    $xfail);
 576     } elsif (/^tag *({([^}]*)|([a-zA-Z0-9_]*))/) {
 577       my($type) = "$2$3";
 578
 579       # Remember that this name is allowed.
 580       if ($type =~ /^struct *(.*)/) {
 581         push @allow, $1;
 582       } elsif ($type =~ /^union *(.*)/) {
 583         push @allow, $1;
 584       } else {
 585         push @allow, $type;
 586       }
 587
 588       # Generate a program to test for the availability of this type.
 589       open (TESTFILE, ">$fnamebase.c");
 590       print TESTFILE "$prepend";
 591       print TESTFILE "#include <$h>\n";
 592       print TESTFILE "$type;\n";
 593       close (TESTFILE);
 594
 595       compiletest ($fnamebase, "Testing for type $type",
 596                    "Type \"$type\" not available.", $missing, 0, $xfail);
 597     } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) [(][*]([a-zA-Z0-9_]*) ([(].*[)])/) {
 598       my($rettype) = "$2$3";
 599       my($fname) = "$4";
 600       my($args) = "$5";
 601       my($res) = $missing;
 602
 603       # Remember that this name is allowed.
 604       push @allow, $fname;
 605
 606       # Generate a program to test for availability of this function.
 607       open (TESTFILE, ">$fnamebase.c");
 608       print TESTFILE "$prepend";
 609       print TESTFILE "#include <$h>\n";
 610       # print TESTFILE "#undef $fname\n";
 611       print TESTFILE "$rettype (*(*foobarbaz) $args = $fname;\n";
 612       close (TESTFILE);
 613
 614       $res = compiletest ($fnamebase, "Test availability of function $fname",
 615                           ($optional
 616                            ? "NOT AVAILABLE"
 617                            : "Function \"$fname\" is not available."), $res,
 618                           $optional, $xfail);
 619
 620       if ($res == 0 || $missing == 1 || !$optional) {
 621         # Generate a program to test for the type of this function.
 622         open (TESTFILE, ">$fnamebase.c");
 623         print TESTFILE "$prepend";
 624         print TESTFILE "#include <$h>\n";
 625         # print TESTFILE "#undef $fname\n";
 626         print TESTFILE "extern $rettype (*(*foobarbaz) $args;\n";
 627         print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 628         close (TESTFILE);
 629
 630         compiletest ($fnamebase, "Test for type of function $fname",
 631                      "Function \"$fname\" has incorrect type.", $res, 0,
 632                      $xfail);
 633       }
 634     } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 635       my($rettype) = "$2$3";
 636       my($fname) = "$4";
 637       my($args) = "$5";
 638       my($res) = $missing;
 639
 640       # Remember that this name is allowed.
 641       push @allow, $fname;
 642
 643       # Generate a program to test for availability of this function.
 644       open (TESTFILE, ">$fnamebase.c");
 645       print TESTFILE "$prepend";
 646       print TESTFILE "#include <$h>\n";
 647       # print TESTFILE "#undef $fname\n";
 648       print TESTFILE "$rettype (*foobarbaz) $args = $fname;\n";
 649       close (TESTFILE);
 650
 651       $res = compiletest ($fnamebase, "Test availability of function $fname",
 652                           ($optional
 653                            ? "NOT AVAILABLE"
 654                            : "Function \"$fname\" is not available."), $res,
 655                           $optional, $xfail);
 656
 657       if ($res == 0 || $missing != 0 || !$optional) {
 658         # Generate a program to test for the type of this function.
 659         open (TESTFILE, ">$fnamebase.c");
 660         print TESTFILE "$prepend";
 661         print TESTFILE "#include <$h>\n";
 662         # print TESTFILE "#undef $fname\n";
 663         print TESTFILE "extern $rettype (*foobarbaz) $args;\n";
 664         print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 665         close (TESTFILE);
 666
 667         compiletest ($fnamebase, "Test for type of function $fname",
 668                      "Function \"$fname\" has incorrect type.", $res, 0,
 669                      $xfail);
 670       }
 671     } elsif (/^variable *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) *(.*)/) {
 672       my($type) = "$2$3";
 673       my($vname) = "$4";
 674       my($rest) = "$5";
 675       my($res) = $missing;
 676
 677       # Remember that this name is allowed.
 678       push @allow, $vname;
 679
 680       # Generate a program to test for availability of this function.
 681       open (TESTFILE, ">$fnamebase.c");
 682       print TESTFILE "$prepend";
 683       print TESTFILE "#include <$h>\n";
 684       # print TESTFILE "#undef $fname\n";
 685       print TESTFILE "typedef $type xyzzy$rest;\n";
 686       print TESTFILE "$xyzzy *foobarbaz = &$vname;\n";
 687       close (TESTFILE);
 688
 689       $res = compiletest ($fnamebase, "Test availability of variable $vname",
 690                           "Variable \"$vname\" is not available.", $res, 0,
 691                           $xfail);
 692
 693       # Generate a program to test for the type of this function.
 694       open (TESTFILE, ">$fnamebase.c");
 695       print TESTFILE "$prepend";
 696       print TESTFILE "#include <$h>\n";
 697       # print TESTFILE "#undef $fname\n";
 698       print TESTFILE "extern $type $vname$rest;\n";
 699       close (TESTFILE);
 700
 701       compiletest ($fnamebase, "Test for type of variable $fname",
 702                    "Variable \"$vname\" has incorrect type.", $res, 0, $xfail);
 703     } elsif (/^macro-function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 704       my($rettype) = "$2$3";
 705       my($fname) = "$4";
 706       my($args) = "$5";
 707       my($res) = $missing;
 708
 709       # Remember that this name is allowed.
 710       push @allow, $fname;
 711
 712       # Generate a program to test for availability of this function.
 713       open (TESTFILE, ">$fnamebase.c");
 714       print TESTFILE "$prepend";
 715       print TESTFILE "#include <$h>\n";
 716       print TESTFILE "#ifndef $fname\n";
 717       print TESTFILE "$rettype (*foobarbaz) $args = $fname;\n";
 718       print TESTFILE "#endif\n";
 719       close (TESTFILE);
 720
 721       $res = compiletest ($fnamebase, "Test availability of macro $fname",
 722                           "Function \"$fname\" is not available.", $res, 0,
 723                           $xfail);
 724
 725       # Generate a program to test for the type of this function.
 726       open (TESTFILE, ">$fnamebase.c");
 727       print TESTFILE "$prepend";
 728       print TESTFILE "#include <$h>\n";
 729       print TESTFILE "#ifndef $fname\n";
 730       print TESTFILE "extern $rettype (*foobarbaz) $args;\n";
 731       print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 732       print TESTFILE "#endif\n";
 733       close (TESTFILE);
 734
 735       compiletest ($fnamebase, "Test for type of macro $fname",
 736                    "Function \"$fname\" has incorrect type.", $res, 0, $xfail);
 737     } elsif (/^macro-str *([^    ]*) *(\".*\")/) {
 738       # The above regex doesn't handle a \" in a string.
 739       my($macro) = "$1";
 740       my($string) = "$2";
 741       my($res) = $missing;
 742
 743       # Remember that this name is allowed.
 744       push @allow, $macro;
 745
 746       # Generate a program to test for availability of this macro.
 747       open (TESTFILE, ">$fnamebase.c");
 748       print TESTFILE "$prepend";
 749       print TESTFILE "#include <$h>\n";
 750       print TESTFILE "#ifndef $macro\n";
 751       print TESTFILE "# error \"Macro $macro not defined\"\n";
 752       print TESTFILE "#endif\n";
 753       close (TESTFILE);
 754
 755       compiletest ($fnamebase, "Test availability of macro $macro",
 756                    "Macro \"$macro\" is not available.", $missing, 0, $xfail);
 757
 758       # Generate a program to test for the value of this macro.
 759       open (TESTFILE, ">$fnamebase.c");
 760       print TESTFILE "$prepend";
 761       print TESTFILE "#include <$h>\n";
 762       # We can't include <string.h> here.
 763       print TESTFILE "extern int (strcmp)(const char *, const char *);\n";
 764       print TESTFILE "int main (void) { return (strcmp) ($macro, $string) != 0;}\n";
 765       close (TESTFILE);
 766
 767       $res = runtest ($fnamebase, "Testing for value of macro $macro",
 768                       "Macro \"$macro\" has not the right value.", $res,
 769                       $xfail);
 770     } elsif (/^allow-header *(.*)/) {
 771       my($pattern) = $1;
 772       if ($seenheader{$pattern} != 1) {
 773         push @allowheader, $pattern;
 774         $seenheader{$pattern} = 1;
 775       }
 776       next control;
 777     } elsif (/^allow *(.*)/) {
 778       my($pattern) = $1;
 779       push @allow, $pattern;
 780       next control;
 781     } else {
 782       # printf ("line is `%s'\n", $_);
 783       next control;
 784     }
 785
 786     printf ("\n");
 787   }
 788   close (CONTROL);
 789
 790   # Read the data files for the header files which are allowed to be included.
 791   while ($#allowheader >= 0) {
 792     my($ah) = pop @allowheader;
 793
 794     open (ALLOW, "$CC -E -D$standard -x c data/$ah-data |");
 795     acontrol: while (<ALLOW>) {
 796       chop;
 797       next acontrol if (/^#/);
 798       next acontrol if (/^[     ]*$/);
 799
 800       s/^xfail-//;
 801       s/^optional-//;
 802       if (/^element *({([^}]*)}|([^ ]*)) *({([^}]*)}|([^ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
 803         push @allow, $7;
 804       } elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
 805         push @allow, $2;
 806       } elsif (/^(type|tag) *({([^}]*)|([a-zA-Z0-9_]*))/) {
 807         my($type) = "$3$4";
 808
 809         # Remember that this name is allowed.
 810         if ($type =~ /^struct *(.*)/) {
 811           push @allow, $1;
 812         } elsif ($type =~ /^union *(.*)/) {
 813           push @allow, $1;
 814         } else {
 815           push @allow, $type;
 816         }
 817       } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) [(][*]([a-zA-Z0-9_]*) ([(].*[)])/) {
 818         push @allow, $4;
 819       } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 820         push @allow, $4;
 821       } elsif (/^variable *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*)/) {
 822         push @allow, $4;
 823       } elsif (/^macro-function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 824         push @allow, $4;
 825       } elsif (/^symbol *([a-zA-Z0-9_]*) *([A-Za-z0-9_-]*)?/) {
 826         push @allow, $1;
 827       } elsif (/^allow-header *(.*)/) {
 828         if ($seenheader{$1} != 1) {
 829           push @allowheader, $1;
 830           $seenheader{$1} = 1;
 831         }
 832       } elsif (/^allow *(.*)/) {
 833         push @allow, $1;
 834       }
 835     }
 836     close (ALLOW);
 837   }
 838
 839   if ($test_exist) {
 840     printf ("  Not defined\n");
 841   } else {
 842     # Now check the namespace.
 843     printf ("  Checking the namespace of \"%s\"... ", $h);
 844     if ($missing) {
 845       ++$skipped;
 846       printf ("SKIP\n");
 847     } else {
 848       checknamespace ($h, $fnamebase, @allow);
 849     }
 850   }
 851
 852   printf ("\n\n");
 853 }
 854
 855 printf "-" x 76 . "\n";
 856 printf ("  Total number of tests   : %4d\n", $total);
 857
 858 printf ("  Number of failed tests  : %4d (", $errors);
 859 $percent = ($errors * 100) / $total;
 860 if ($errors > 0 && $percent < 1.0) {
 861   printf (" <1%%)\n");
 862 } else {
 863   printf ("%3d%%)\n", $percent);
 864 }
 865
 866 printf ("  Number of xfailed tests : %4d (", $xerrors);
 867 $percent = ($xerrors * 100) / $total;
 868 if ($xerrors > 0 && $percent < 1.0) {
 869   printf (" <1%%)\n");
 870 } else {
 871   printf ("%3d%%)\n", $percent);
 872 }
 873
 874 printf ("  Number of skipped tests : %4d (", $skipped);
 875 $percent = ($skipped * 100) / $total;
 876 if ($skipped > 0 && $percent < 1.0) {
 877   printf (" <1%%)\n");
 878 } else {
 879   printf ("%3d%%)\n", $percent);
 880 }
 881
 882 exit $errors != 0;
 883 # Local Variables:
 884 #  perl-indent-level: 2
 885 # End: