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 $cross = "";
  11 $xfail_str = "";
  12 GetOptions ('headers=s' => \@headers, 'standard=s' => \$standard,
  13             'flags=s' => \$flags, 'cc=s' => \$CC, 'tmpdir=s' => \$tmpdir,
  14             'cross' => \$cross, 'xfail=s' => \$xfail_str);
  15 @headers = split(/,/,join(',',@headers));
  16
  17 # List of the headers we are testing.
  18 if (@headers == ()) {
  19   @headers = ("wordexp.h", "wctype.h", "wchar.h", "varargs.h", "utmpx.h",
  20               "utime.h", "unistd.h", "ulimit.h", "ucontext.h", "uchar.h",
  21               "time.h", "tgmath.h", "termios.h", "tar.h", "sys/wait.h",
  22               "sys/utsname.h", "sys/un.h", "sys/uio.h", "sys/types.h",
  23               "sys/times.h", "sys/timeb.h", "sys/time.h", "sys/statvfs.h",
  24               "sys/stat.h", "sys/socket.h", "sys/shm.h", "sys/sem.h",
  25               "sys/select.h", "sys/resource.h", "sys/msg.h", "sys/mman.h",
  26               "sys/ipc.h", "syslog.h", "stropts.h", "strings.h", "string.h",
  27               "stdnoreturn.h", "stdlib.h", "stdio.h", "stdint.h", "stddef.h",
  28               "stdbool.h", "stdarg.h", "stdalign.h", "spawn.h", "signal.h",
  29               "setjmp.h", "semaphore.h", "search.h", "sched.h", "regex.h",
  30               "pwd.h", "pthread.h", "poll.h", "nl_types.h", "netinet/tcp.h",
  31               "netinet/in.h", "net/if.h", "netdb.h", "ndbm.h", "mqueue.h",
  32               "monetary.h", "math.h", "locale.h", "libgen.h", "limits.h",
  33               "langinfo.h", "iso646.h", "inttypes.h", "iconv.h", "grp.h",
  34               "glob.h", "ftw.h", "fnmatch.h", "fmtmsg.h", "float.h", "fenv.h",
  35               "fcntl.h", "errno.h", "dlfcn.h", "dirent.h", "ctype.h", "cpio.h",
  36               "complex.h", "assert.h", "arpa/inet.h", "aio.h");
  37 }
  38
  39 $CFLAGS_namespace = "$flags -fno-builtin $CFLAGS{$standard} -D_ISOMAC";
  40 $CFLAGS = "$CFLAGS_namespace '-D__attribute__(x)='";
  41
  42 # Check standard name for validity.
  43 die "unknown standard \"$standard\"" if ($CFLAGS{$standard} eq "");
  44
  45 # if ($standard ne "XOPEN2K8" && $standard ne "POSIX2008") {
  46 #   # Some headers need a bit more attention.  At least with XPG7
  47 #   # all headers should be self-contained.
  48 #   $mustprepend{'inttypes.h'} = "#include <stddef.h>\n";
  49 #   $mustprepend{'glob.h'} = "#include <sys/types.h>\n";
  50 #   $mustprepend{'grp.h'} = "#include <sys/types.h>\n";
  51 #   $mustprepend{'regex.h'} = "#include <sys/types.h>\n";
  52 #   $mustprepend{'pwd.h'} = "#include <sys/types.h>\n";
  53 #   $mustprepend{'sched.h'} = "#include <sys/types.h>\n";
  54 #   $mustprepend{'signal.h'} = "#include <pthread.h>\n#include <sys/types.h>\n";
  55 #   $mustprepend{'stdio.h'} = "#include <sys/types.h>\n";
  56 #   $mustprepend{'sys/stat.h'} = "#include <sys/types.h>\n";
  57 #   $mustprepend{'wchar.h'} = "#include <stdarg.h>\n";
  58 #   $mustprepend{'wordexp.h'} = "#include <stddef.h>\n";
  59 # }
  60
  61 # These are the ISO C90 keywords.
  62 @keywords = ('auto', 'break', 'case', 'char', 'const', 'continue', 'default',
  63              'do', 'double', 'else', 'enum', 'extern', 'float', 'for', 'goto',
  64              'if', 'int', 'long', 'register', 'return',
  65              'short', 'signed', 'sizeof', 'static', 'struct', 'switch',
  66              'typedef', 'union', 'unsigned', 'void', 'volatile', 'while');
  67 if ($CFLAGS{$standard} =~ /-std=(c99|c1x)/) {
  68   push (@keywords, 'inline', 'restrict');
  69 }
  70
  71 # Make a hash table from this information.
  72 while ($#keywords >= 0) {
  73   $iskeyword{pop (@keywords)} = 1;
  74 }
  75
  76 $verbose = 1;
  77
  78 $total = 0;
  79 $skipped = 0;
  80 $errors = 0;
  81 $xerrors = 0;
  82
  83 sub note_error {
  84   my($xfail) = @_;
  85   if ($xfail) {
  86     $xerrors++;
  87     printf ("Ignoring this failure.\n");
  88   } else {
  89     $errors++;
  90   }
  91 }
  92
  93
  94 sub poorfnmatch {
  95   my($pattern, $string) = @_;
  96   my($strlen) = length ($string);
  97   my($res);
  98
  99   if (substr ($pattern, 0, 1) eq '*') {
 100     my($patlen) = length ($pattern) - 1;
 101     $res = ($strlen >= $patlen
 102             && substr ($pattern, -$patlen, $patlen) eq substr ($string, -$patlen, $patlen));
 103   } elsif (substr ($pattern, -1, 1) eq '*') {
 104     if (substr ($pattern, -2, 1) eq ']') {
 105       my($patlen) = index ($pattern, '[');
 106       my($range) = substr ($pattern, $patlen + 1, -2);
 107       $res = ($strlen > $patlen
 108               && substr ($pattern, 0, $patlen) eq substr ($string, 0, $patlen)
 109               && index ($range, substr ($string, $patlen, 1)) != -1);
 110     } else {
 111       my($patlen) = length ($pattern) - 1;
 112       $res = ($strlen >= $patlen
 113               && substr ($pattern, 0, $patlen) eq substr ($string, 0, $patlen));
 114     }
 115   } else {
 116     $res = $pattern eq $string;
 117   }
 118   return $res;
 119 }
 120
 121
 122 sub compiletest
 123 {
 124   my($fnamebase, $msg, $errmsg, $skip, $optional, $xfail) = @_;
 125   my($result) = $skip;
 126   my($printlog) = 0;
 127
 128   ++$total;
 129   printf ("  $msg...");
 130
 131   if ($skip != 0) {
 132     ++$skipped;
 133     printf (" SKIP\n");
 134   } else {
 135     $ret = system "$CC $CFLAGS -c $fnamebase.c -o $fnamebase.o > $fnamebase.out 2>&1";
 136     if ($ret != 0) {
 137       if ($optional != 0) {
 138         printf (" $errmsg\n");
 139         $result = 1;
 140       } else {
 141         printf (" FAIL\n");
 142         if ($verbose != 0) {
 143           printf ("    $errmsg  Compiler message:\n");
 144           $printlog = 1;
 145         }
 146         note_error($xfail);
 147         $result = 1;
 148       }
 149     } else {
 150       printf (" OK\n");
 151       if ($verbose > 1 && -s "$fnamebase.out") {
 152         # We print all warnings issued.
 153         $printlog = 1;
 154       }
 155     }
 156     if ($printlog != 0) {
 157       printf ("    " . "-" x 71 . "\n");
 158       open (MESSAGE, "< $fnamebase.out");
 159       while (<MESSAGE>) {
 160         printf ("    %s", $_);
 161       }
 162       close (MESSAGE);
 163       printf ("    " . "-" x 71 . "\n");
 164     }
 165   }
 166   unlink "$fnamebase.c";
 167   unlink "$fnamebase.o";
 168   unlink "$fnamebase.out";
 169
 170   $result;
 171 }
 172
 173
 174 sub runtest
 175 {
 176   my($fnamebase, $msg, $errmsg, $skip, $xfail) = @_;
 177   my($result) = $skip;
 178   my($printlog) = 0;
 179
 180   ++$total;
 181   printf ("  $msg...");
 182
 183   if ($skip != 0) {
 184     ++$skipped;
 185     printf (" SKIP\n");
 186   } else {
 187     $ret = system "$CC $CFLAGS -o $fnamebase $fnamebase.c > $fnamebase.out 2>&1";
 188     if ($ret != 0) {
 189       printf (" FAIL\n");
 190       if ($verbose != 0) {
 191         printf ("    $errmsg  Compiler message:\n");
 192         $printlog = 1;
 193       }
 194       note_error($xfail);
 195       $result = 1;
 196     } elsif ($cross) {
 197       printf (" SKIP\n");
 198     } else {
 199       # Now run the program.  If the exit code is not zero something is wrong.
 200       $result = system "$fnamebase > $fnamebase.out2 2>&1";
 201       if ($result == 0) {
 202         printf (" OK\n");
 203         if ($verbose > 1 && -s "$fnamebase.out") {
 204           # We print all warnings issued.
 205           $printlog = 1;
 206           system "cat $fnamebase.out2 >> $fnamebase.out";
 207         }
 208       } else {
 209         printf (" FAIL\n");
 210         note_error($xfail);
 211         $printlog = 1;
 212         unlink "$fnamebase.out";
 213         rename "$fnamebase.out2", "$fnamebase.out";
 214       }
 215     }
 216     if ($printlog != 0) {
 217       printf ("    " . "-" x 71 . "\n");
 218       open (MESSAGE, "< $fnamebase.out");
 219       while (<MESSAGE>) {
 220         printf ("    %s", $_);
 221       }
 222       close (MESSAGE);
 223       printf ("    " . "-" x 71 . "\n");
 224     }
 225   }
 226   unlink "$fnamebase";
 227   unlink "$fnamebase.c";
 228   unlink "$fnamebase.o";
 229   unlink "$fnamebase.out";
 230   unlink "$fnamebase.out2";
 231
 232   $result;
 233 }
 234
 235
 236 sub newtoken {
 237   my($token, @allow) = @_;
 238   my($idx);
 239
 240   return if ($token =~ /^[0-9_]/ || $iskeyword{$token});
 241
 242   for ($idx = 0; $idx <= $#allow; ++$idx) {
 243     return if (poorfnmatch ($allow[$idx], $token));
 244   }
 245
 246   $errors{$token} = 1;
 247 }
 248
 249
 250 sub removetoken {
 251   my($token) = @_;
 252   my($idx);
 253
 254   return if ($token =~ /^[0-9_]/ || $iskeyword{$token});
 255
 256   if (exists $errors{$token}) {
 257     undef $errors{$token};
 258   }
 259 }
 260
 261
 262 sub checknamespace {
 263   my($h, $fnamebase, @allow) = @_;
 264
 265   ++$total;
 266
 267   # Generate a program to get the contents of this header.
 268   open (TESTFILE, ">$fnamebase.c");
 269   print TESTFILE "#include <$h>\n";
 270   close (TESTFILE);
 271
 272   undef %errors;
 273   open (CONTENT, "$CC $CFLAGS_namespace -E $fnamebase.c -P -Wp,-dN | sed -e '/^# [1-9]/d' -e '/^[[:space:]]*\$/d' |");
 274   loop: while (<CONTENT>) {
 275     chop;
 276     if (/^#define (.*)/) {
 277       newtoken ($1, @allow);
 278     } elsif (/^#undef (.*)/) {
 279       removetoken ($1);
 280     } else {
 281       # We have to tokenize the line.
 282       my($str) = $_;
 283
 284       $str =~ s/"[^"]*"//g;
 285       foreach $token (split(/[^a-zA-Z0-9_]/, $str)) {
 286         if ($token ne "") {
 287           newtoken ($token, @allow);
 288         }
 289       }
 290     }
 291   }
 292   close (CONTENT);
 293   unlink "$fnamebase.c";
 294   $realerror = 0;
 295   if ($#errors != 0) {
 296     # Sort the output list so it's easier to compare results with diff.
 297     foreach $f (sort keys(%errors)) {
 298       if ($errors{$f} == 1) {
 299         if ($realerror == 0) {
 300           printf ("FAIL\n    " . "-" x 72 . "\n");
 301           $realerror = 1;
 302           ++$errors;
 303         }
 304         printf ("    Namespace violation: \"%s\"\n", $f);
 305       }
 306     }
 307     printf ("    " . "-" x 72 . "\n") if ($realerror != 0);
 308   }
 309
 310   if ($realerror == 0) {
 311     printf ("OK\n");
 312   }
 313 }
 314
 315
 316 while ($#headers >= 0) {
 317   my($h) = pop (@headers);
 318   my($hf) = $h;
 319   $hf =~ s|/|-|;
 320   my($fnamebase) = "$tmpdir/$hf-test";
 321   my($missing) = 1;
 322   my(@allow) = ();
 323   my(@allowheader) = ();
 324   my(%seenheader) = ();
 325   my($prepend) = $mustprepend{$h};
 326   my($test_exist) = 1;
 327
 328   printf ("Testing <$h>\n");
 329   printf ("----------" . "-" x length ($h) . "\n");
 330
 331   open (CONTROL, "$CC -E -D$standard -std=c99 -x c data/$h-data |");
 332   control: while (<CONTROL>) {
 333     chop;
 334     next control if (/^#/);
 335     next control if (/^[        ]*$/);
 336
 337     if ($test_exist) {
 338       $test_exist = 0;
 339       # Generate a program to test for the availability of this header.
 340       open (TESTFILE, ">$fnamebase.c");
 341       print TESTFILE "$prepend";
 342       print TESTFILE "#include <$h>\n";
 343       close (TESTFILE);
 344
 345       $missing = compiletest ($fnamebase, "Checking whether <$h> is available",
 346                               "Header <$h> not available", 0, 0, 0);
 347       printf ("\n");
 348       last control if ($missing);
 349     }
 350
 351     my($xfail) = 0;
 352     if (/^xfail-/) {
 353       s/^xfail-//;
 354       $xfail = 1;
 355     } elsif (/^xfail\[([^\]]*)\]-/) {
 356       my($xfail_cond) = $1;
 357       s/^xfail\[([^\]]*)\]-//;
 358       # "xfail[cond]-" or "xfail[cond1|cond2|...]-" means a failure of
 359       # the test is allowed if any of the listed conditions are in the
 360       # --xfail command-line option argument.
 361       if ($xfail_str =~ /\b($xfail_cond)\b/) {
 362         $xfail = 1;
 363       }
 364     }
 365     my($optional) = 0;
 366     if (/^optional-/) {
 367       s/^optional-//;
 368       $optional = 1;
 369     }
 370     if (/^element *({([^}]*)}|([^{ ]*)) *({([^}]*)}|([^{ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
 371       my($struct) = "$2$3";
 372       my($type) = "$5$6";
 373       my($member) = "$7";
 374       my($rest) = "$8";
 375       my($res) = $missing;
 376
 377       # Remember that this name is allowed.
 378       push @allow, $member;
 379
 380       # Generate a program to test for the availability of this member.
 381       open (TESTFILE, ">$fnamebase.c");
 382       print TESTFILE "$prepend";
 383       print TESTFILE "#include <$h>\n";
 384       print TESTFILE "$struct a;\n";
 385       print TESTFILE "$struct b;\n";
 386       print TESTFILE "extern void xyzzy (__typeof__ (&b.$member), __typeof__ (&a.$member), unsigned);\n";
 387       print TESTFILE "void foobarbaz (void) {\n";
 388       print TESTFILE "  xyzzy (&a.$member, &b.$member, sizeof (a.$member));\n";
 389       print TESTFILE "}\n";
 390       close (TESTFILE);
 391
 392       $res = compiletest ($fnamebase, "Testing for member $member",
 393                           ($optional
 394                            ? "NOT AVAILABLE."
 395                            : "Member \"$member\" not available."), $res,
 396                           $optional, $xfail);
 397
 398       if ($res == 0 || $missing != 0 || !$optional) {
 399         # Test the types of the members.
 400         open (TESTFILE, ">$fnamebase.c");
 401         print TESTFILE "$prepend";
 402         print TESTFILE "#include <$h>\n";
 403         print TESTFILE "$struct a;\n";
 404         print TESTFILE "extern $type b$rest;\n";
 405         print TESTFILE "extern __typeof__ (a.$member) b;\n";
 406         close (TESTFILE);
 407
 408         compiletest ($fnamebase, "Testing for type of member $member",
 409                      "Member \"$member\" does not have the correct type.",
 410                      $res, 0, $xfail);
 411       }
 412     } elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_\\'-]*))?/) {
 413       my($symbol_type) = $1;
 414       my($symbol) = $2;
 415       my($type) = $3;
 416       my($op) = $4;
 417       my($value) = $5;
 418       my($res) = $missing;
 419       my($mres) = $missing;
 420       my($cres) = $missing;
 421
 422       # Remember that this name is allowed.
 423       push @allow, $symbol;
 424
 425       if ($symbol_type =~ /macro/) {
 426         # Generate a program to test for availability of this macro.
 427         open (TESTFILE, ">$fnamebase.c");
 428         print TESTFILE "$prepend";
 429         print TESTFILE "#include <$h>\n";
 430         print TESTFILE "#ifndef $symbol\n";
 431         print TESTFILE "# error \"Macro $symbol not defined\"\n";
 432         print TESTFILE "#endif\n";
 433         close (TESTFILE);
 434
 435         $mres = compiletest ($fnamebase, "Test availability of macro $symbol",
 436                              ($optional
 437                               ? "NOT PRESENT"
 438                               : "Macro \"$symbol\" is not available."), $res,
 439                              $optional, $xfail);
 440       }
 441
 442       if ($symbol_type =~ /constant/) {
 443         # Generate a program to test for the availability of this constant.
 444         open (TESTFILE, ">$fnamebase.c");
 445         print TESTFILE "$prepend";
 446         print TESTFILE "#include <$h>\n";
 447         print TESTFILE "__typeof__ ($symbol) a = $symbol;\n";
 448         close (TESTFILE);
 449
 450         $cres = compiletest ($fnamebase, "Testing for constant $symbol",
 451                              ($optional
 452                               ? "NOT PRESENT"
 453                               : "Constant \"$symbol\" not available."), $res,
 454                              $optional, $xfail);
 455       }
 456
 457       $res = $res || $mres || $cres;
 458
 459       if ($symbol_type eq "macro-int-constant" && ($res == 0 || !$optional)) {
 460         # Test that the symbol is usable in #if.
 461         open (TESTFILE, ">$fnamebase.c");
 462         print TESTFILE "$prepend";
 463         print TESTFILE "#include <$h>\n";
 464         print TESTFILE "#if $symbol < 0\n";
 465         print TESTFILE "# define conformtest_negative 1\n";
 466         my($s) = "0";
 467         for (my $i = 0; $i < 63; $i++) {
 468           print TESTFILE "# if $symbol & (1LL << $i)\n";
 469           print TESTFILE "#  define conformtest_bit_$i 0LL\n";
 470           print TESTFILE "# else\n";
 471           print TESTFILE "#  define conformtest_bit_$i (1LL << $i)\n";
 472           print TESTFILE "# endif\n";
 473           $s .= "|conformtest_bit_$i";
 474         }
 475         print TESTFILE "# define conformtest_value ~($s)\n";
 476         print TESTFILE "#else\n";
 477         print TESTFILE "# define conformtest_negative 0\n";
 478         $s = "0";
 479         for (my $i = 0; $i < 64; $i++) {
 480           print TESTFILE "# if $symbol & (1ULL << $i)\n";
 481           print TESTFILE "#  define conformtest_bit_$i (1ULL << $i)\n";
 482           print TESTFILE "# else\n";
 483           print TESTFILE "#  define conformtest_bit_$i 0ULL\n";
 484           print TESTFILE "# endif\n";
 485           $s .= "|conformtest_bit_$i";
 486         }
 487         print TESTFILE "# define conformtest_value ($s)\n";
 488         print TESTFILE "#endif\n";
 489         print TESTFILE "_Static_assert ((($symbol < 0) == conformtest_negative) && ($symbol == conformtest_value), \"value match inside and outside #if\");\n";
 490         close (TESTFILE);
 491
 492         compiletest ($fnamebase, "Testing for #if usability of symbol $symbol",
 493                      "Symbol \"$symbol\" not usable in #if.", $res, 0, $xfail);
 494       }
 495
 496       if (defined ($type) && ($res == 0 || !$optional)) {
 497         # Test the type of the symbol.
 498         open (TESTFILE, ">$fnamebase.c");
 499         print TESTFILE "$prepend";
 500         print TESTFILE "#include <$h>\n";
 501         if ($type =~ /^promoted:/) {
 502           $type =~ s/^promoted://;
 503           print TESTFILE "__typeof__ (($type) 0 + ($type) 0) a;\n";
 504         } else {
 505           print TESTFILE "__typeof__ (($type) 0) a;\n";
 506         }
 507         print TESTFILE "extern __typeof__ ($symbol) a;\n";
 508         close (TESTFILE);
 509
 510         compiletest ($fnamebase, "Testing for type of symbol $symbol",
 511                      "Symbol \"$symbol\" does not have the correct type.",
 512                      $res, 0, $xfail);
 513       }
 514
 515       if (defined ($op) && ($res == 0 || !$optional)) {
 516         # Generate a program to test for the value of this symbol.
 517         open (TESTFILE, ">$fnamebase.c");
 518         print TESTFILE "$prepend";
 519         print TESTFILE "#include <$h>\n";
 520         print TESTFILE "_Static_assert ($symbol $op $value, \"value constraint\");\n";
 521         close (TESTFILE);
 522
 523         $res = compiletest ($fnamebase, "Testing for value of symbol $symbol",
 524                             "Symbol \"$symbol\" has not the right value.",
 525                             $res, 0, $xfail);
 526       }
 527     } elsif (/^symbol *([a-zA-Z0-9_]*) *([A-Za-z0-9_-]*)?/) {
 528       my($symbol) = $1;
 529       my($value) = $2;
 530       my($res) = $missing;
 531
 532       # Remember that this name is allowed.
 533       push @allow, $symbol;
 534
 535       # Generate a program to test for the availability of this constant.
 536       open (TESTFILE, ">$fnamebase.c");
 537       print TESTFILE "$prepend";
 538       print TESTFILE "#include <$h>\n";
 539       print TESTFILE "void foobarbaz (void) {\n";
 540       print TESTFILE "__typeof__ ($symbol) a = $symbol;\n";
 541       print TESTFILE "}\n";
 542       close (TESTFILE);
 543
 544       $res = compiletest ($fnamebase, "Testing for symbol $symbol",
 545                           "Symbol \"$symbol\" not available.", $res, 0, $xfail);
 546
 547       if ($value ne "") {
 548         # Generate a program to test for the value of this constant.
 549         open (TESTFILE, ">$fnamebase.c");
 550         print TESTFILE "$prepend";
 551         print TESTFILE "#include <$h>\n";
 552         print TESTFILE "int main (void) { return $symbol != $value; }\n";
 553         close (TESTFILE);
 554
 555         $res = runtest ($fnamebase, "Testing for value of symbol $symbol",
 556                         "Symbol \"$symbol\" has not the right value.", $res,
 557                         $xfail);
 558       }
 559     } elsif (/^type *({([^}]*)|([a-zA-Z0-9_]*))/) {
 560       my($type) = "$2$3";
 561       my($maybe_opaque) = 0;
 562
 563       # Remember that this name is allowed.
 564       if ($type =~ /^struct *(.*)/) {
 565         push @allow, $1;
 566       } elsif ($type =~ /^union *(.*)/) {
 567         push @allow, $1;
 568       } else {
 569         push @allow, $type;
 570         $maybe_opaque = 1;
 571       }
 572
 573       # Generate a program to test for the availability of this type.
 574       open (TESTFILE, ">$fnamebase.c");
 575       print TESTFILE "$prepend";
 576       print TESTFILE "#include <$h>\n";
 577       if ($maybe_opaque == 1) {
 578         print TESTFILE "$type *a;\n";
 579       } else {
 580         print TESTFILE "$type a;\n";
 581       }
 582       close (TESTFILE);
 583
 584       compiletest ($fnamebase, "Testing for type $type",
 585                    ($optional
 586                     ? "NOT AVAILABLE"
 587                     : "Type \"$type\" not available."), $missing, $optional,
 588                    $xfail);
 589     } elsif (/^tag *({([^}]*)|([a-zA-Z0-9_]*))/) {
 590       my($type) = "$2$3";
 591
 592       # Remember that this name is allowed.
 593       if ($type =~ /^struct *(.*)/) {
 594         push @allow, $1;
 595       } elsif ($type =~ /^union *(.*)/) {
 596         push @allow, $1;
 597       } else {
 598         push @allow, $type;
 599       }
 600
 601       # Generate a program to test for the availability of this type.
 602       open (TESTFILE, ">$fnamebase.c");
 603       print TESTFILE "$prepend";
 604       print TESTFILE "#include <$h>\n";
 605       print TESTFILE "$type;\n";
 606       close (TESTFILE);
 607
 608       compiletest ($fnamebase, "Testing for type $type",
 609                    "Type \"$type\" not available.", $missing, 0, $xfail);
 610     } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) [(][*]([a-zA-Z0-9_]*) ([(].*[)])/) {
 611       my($rettype) = "$2$3";
 612       my($fname) = "$4";
 613       my($args) = "$5";
 614       my($res) = $missing;
 615
 616       # Remember that this name is allowed.
 617       push @allow, $fname;
 618
 619       # Generate a program to test for availability of this function.
 620       open (TESTFILE, ">$fnamebase.c");
 621       print TESTFILE "$prepend";
 622       print TESTFILE "#include <$h>\n";
 623       # print TESTFILE "#undef $fname\n";
 624       print TESTFILE "$rettype (*(*foobarbaz) $args = $fname;\n";
 625       close (TESTFILE);
 626
 627       $res = compiletest ($fnamebase, "Test availability of function $fname",
 628                           ($optional
 629                            ? "NOT AVAILABLE"
 630                            : "Function \"$fname\" is not available."), $res,
 631                           $optional, $xfail);
 632
 633       if ($res == 0 || $missing == 1 || !$optional) {
 634         # Generate a program to test for the type of this function.
 635         open (TESTFILE, ">$fnamebase.c");
 636         print TESTFILE "$prepend";
 637         print TESTFILE "#include <$h>\n";
 638         # print TESTFILE "#undef $fname\n";
 639         print TESTFILE "extern $rettype (*(*foobarbaz) $args;\n";
 640         print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 641         close (TESTFILE);
 642
 643         compiletest ($fnamebase, "Test for type of function $fname",
 644                      "Function \"$fname\" has incorrect type.", $res, 0,
 645                      $xfail);
 646       }
 647     } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 648       my($rettype) = "$2$3";
 649       my($fname) = "$4";
 650       my($args) = "$5";
 651       my($res) = $missing;
 652
 653       # Remember that this name is allowed.
 654       push @allow, $fname;
 655
 656       # Generate a program to test for availability of this function.
 657       open (TESTFILE, ">$fnamebase.c");
 658       print TESTFILE "$prepend";
 659       print TESTFILE "#include <$h>\n";
 660       # print TESTFILE "#undef $fname\n";
 661       print TESTFILE "$rettype (*foobarbaz) $args = $fname;\n";
 662       close (TESTFILE);
 663
 664       $res = compiletest ($fnamebase, "Test availability of function $fname",
 665                           ($optional
 666                            ? "NOT AVAILABLE"
 667                            : "Function \"$fname\" is not available."), $res,
 668                           $optional, $xfail);
 669
 670       if ($res == 0 || $missing != 0 || !$optional) {
 671         # Generate a program to test for the type of this function.
 672         open (TESTFILE, ">$fnamebase.c");
 673         print TESTFILE "$prepend";
 674         print TESTFILE "#include <$h>\n";
 675         # print TESTFILE "#undef $fname\n";
 676         print TESTFILE "extern $rettype (*foobarbaz) $args;\n";
 677         print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 678         close (TESTFILE);
 679
 680         compiletest ($fnamebase, "Test for type of function $fname",
 681                      "Function \"$fname\" has incorrect type.", $res, 0,
 682                      $xfail);
 683       }
 684     } elsif (/^variable *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) *(.*)/) {
 685       my($type) = "$2$3";
 686       my($vname) = "$4";
 687       my($rest) = "$5";
 688       my($res) = $missing;
 689
 690       # Remember that this name is allowed.
 691       push @allow, $vname;
 692
 693       # Generate a program to test for availability of this function.
 694       open (TESTFILE, ">$fnamebase.c");
 695       print TESTFILE "$prepend";
 696       print TESTFILE "#include <$h>\n";
 697       # print TESTFILE "#undef $fname\n";
 698       print TESTFILE "typedef $type xyzzy$rest;\n";
 699       print TESTFILE "$xyzzy *foobarbaz = &$vname;\n";
 700       close (TESTFILE);
 701
 702       $res = compiletest ($fnamebase, "Test availability of variable $vname",
 703                           "Variable \"$vname\" is not available.", $res, 0,
 704                           $xfail);
 705
 706       # Generate a program to test for the type of this function.
 707       open (TESTFILE, ">$fnamebase.c");
 708       print TESTFILE "$prepend";
 709       print TESTFILE "#include <$h>\n";
 710       # print TESTFILE "#undef $fname\n";
 711       print TESTFILE "extern $type $vname$rest;\n";
 712       close (TESTFILE);
 713
 714       compiletest ($fnamebase, "Test for type of variable $fname",
 715                    "Variable \"$vname\" has incorrect type.", $res, 0, $xfail);
 716     } elsif (/^macro-function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 717       my($rettype) = "$2$3";
 718       my($fname) = "$4";
 719       my($args) = "$5";
 720       my($res) = $missing;
 721
 722       # Remember that this name is allowed.
 723       push @allow, $fname;
 724
 725       # Generate a program to test for availability of this function.
 726       open (TESTFILE, ">$fnamebase.c");
 727       print TESTFILE "$prepend";
 728       print TESTFILE "#include <$h>\n";
 729       print TESTFILE "#ifndef $fname\n";
 730       print TESTFILE "$rettype (*foobarbaz) $args = $fname;\n";
 731       print TESTFILE "#endif\n";
 732       close (TESTFILE);
 733
 734       $res = compiletest ($fnamebase, "Test availability of macro $fname",
 735                           "Function \"$fname\" is not available.", $res, 0,
 736                           $xfail);
 737
 738       # Generate a program to test for the type of this function.
 739       open (TESTFILE, ">$fnamebase.c");
 740       print TESTFILE "$prepend";
 741       print TESTFILE "#include <$h>\n";
 742       print TESTFILE "#ifndef $fname\n";
 743       print TESTFILE "extern $rettype (*foobarbaz) $args;\n";
 744       print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 745       print TESTFILE "#endif\n";
 746       close (TESTFILE);
 747
 748       compiletest ($fnamebase, "Test for type of macro $fname",
 749                    "Function \"$fname\" has incorrect type.", $res, 0, $xfail);
 750     } elsif (/^macro-str *([^    ]*) *(\".*\")/) {
 751       # The above regex doesn't handle a \" in a string.
 752       my($macro) = "$1";
 753       my($string) = "$2";
 754       my($res) = $missing;
 755
 756       # Remember that this name is allowed.
 757       push @allow, $macro;
 758
 759       # Generate a program to test for availability of this macro.
 760       open (TESTFILE, ">$fnamebase.c");
 761       print TESTFILE "$prepend";
 762       print TESTFILE "#include <$h>\n";
 763       print TESTFILE "#ifndef $macro\n";
 764       print TESTFILE "# error \"Macro $macro not defined\"\n";
 765       print TESTFILE "#endif\n";
 766       close (TESTFILE);
 767
 768       compiletest ($fnamebase, "Test availability of macro $macro",
 769                    "Macro \"$macro\" is not available.", $missing, 0, $xfail);
 770
 771       # Generate a program to test for the value of this macro.
 772       open (TESTFILE, ">$fnamebase.c");
 773       print TESTFILE "$prepend";
 774       print TESTFILE "#include <$h>\n";
 775       # We can't include <string.h> here.
 776       print TESTFILE "extern int (strcmp)(const char *, const char *);\n";
 777       print TESTFILE "int main (void) { return (strcmp) ($macro, $string) != 0;}\n";
 778       close (TESTFILE);
 779
 780       $res = runtest ($fnamebase, "Testing for value of macro $macro",
 781                       "Macro \"$macro\" has not the right value.", $res,
 782                       $xfail);
 783     } elsif (/^allow-header *(.*)/) {
 784       my($pattern) = $1;
 785       if ($seenheader{$pattern} != 1) {
 786         push @allowheader, $pattern;
 787         $seenheader{$pattern} = 1;
 788       }
 789       next control;
 790     } elsif (/^allow *(.*)/) {
 791       my($pattern) = $1;
 792       push @allow, $pattern;
 793       next control;
 794     } else {
 795       # printf ("line is `%s'\n", $_);
 796       next control;
 797     }
 798
 799     printf ("\n");
 800   }
 801   close (CONTROL);
 802
 803   # Read the data files for the header files which are allowed to be included.
 804   while ($#allowheader >= 0) {
 805     my($ah) = pop @allowheader;
 806
 807     open (ALLOW, "$CC -E -D$standard -x c data/$ah-data |");
 808     acontrol: while (<ALLOW>) {
 809       chop;
 810       next acontrol if (/^#/);
 811       next acontrol if (/^[     ]*$/);
 812
 813       s/^xfail(\[([^\]]*)\])?-//;
 814       s/^optional-//;
 815       if (/^element *({([^}]*)}|([^ ]*)) *({([^}]*)}|([^ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
 816         push @allow, $7;
 817       } elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
 818         push @allow, $2;
 819       } elsif (/^(type|tag) *({([^}]*)|([a-zA-Z0-9_]*))/) {
 820         my($type) = "$3$4";
 821
 822         # Remember that this name is allowed.
 823         if ($type =~ /^struct *(.*)/) {
 824           push @allow, $1;
 825         } elsif ($type =~ /^union *(.*)/) {
 826           push @allow, $1;
 827         } else {
 828           push @allow, $type;
 829         }
 830       } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) [(][*]([a-zA-Z0-9_]*) ([(].*[)])/) {
 831         push @allow, $4;
 832       } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 833         push @allow, $4;
 834       } elsif (/^variable *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*)/) {
 835         push @allow, $4;
 836       } elsif (/^macro-function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 837         push @allow, $4;
 838       } elsif (/^symbol *([a-zA-Z0-9_]*) *([A-Za-z0-9_-]*)?/) {
 839         push @allow, $1;
 840       } elsif (/^allow-header *(.*)/) {
 841         if ($seenheader{$1} != 1) {
 842           push @allowheader, $1;
 843           $seenheader{$1} = 1;
 844         }
 845       } elsif (/^allow *(.*)/) {
 846         push @allow, $1;
 847       }
 848     }
 849     close (ALLOW);
 850   }
 851
 852   if ($test_exist) {
 853     printf ("  Not defined\n");
 854   } else {
 855     # Now check the namespace.
 856     printf ("  Checking the namespace of \"%s\"... ", $h);
 857     if ($missing) {
 858       ++$skipped;
 859       printf ("SKIP\n");
 860     } else {
 861       checknamespace ($h, $fnamebase, @allow);
 862     }
 863   }
 864
 865   printf ("\n\n");
 866 }
 867
 868 printf "-" x 76 . "\n";
 869 printf ("  Total number of tests   : %4d\n", $total);
 870
 871 printf ("  Number of failed tests  : %4d (", $errors);
 872 $percent = ($errors * 100) / $total;
 873 if ($errors > 0 && $percent < 1.0) {
 874   printf (" <1%%)\n");
 875 } else {
 876   printf ("%3d%%)\n", $percent);
 877 }
 878
 879 printf ("  Number of xfailed tests : %4d (", $xerrors);
 880 $percent = ($xerrors * 100) / $total;
 881 if ($xerrors > 0 && $percent < 1.0) {
 882   printf (" <1%%)\n");
 883 } else {
 884   printf ("%3d%%)\n", $percent);
 885 }
 886
 887 printf ("  Number of skipped tests : %4d (", $skipped);
 888 $percent = ($skipped * 100) / $total;
 889 if ($skipped > 0 && $percent < 1.0) {
 890   printf (" <1%%)\n");
 891 } else {
 892   printf ("%3d%%)\n", $percent);
 893 }
 894
 895 exit $errors != 0;
 896 # Local Variables:
 897 #  perl-indent-level: 2
 898 # End: