conform/conformtest.pl

   1 #! /usr/bin/perl
   2
   3 use Getopt::Long;
   4 use POSIX;
   5
   6 $standard = "XOPEN2K8";
   7 $CC = "gcc";
   8 $tmpdir = "/tmp";
   9 GetOptions ('headers=s' => \@headers, 'standard=s' => \$standard,
  10             'flags=s' => \$flags, 'cc=s' => \$CC, 'tmpdir=s' => \$tmpdir);
  11 @headers = split(/,/,join(',',@headers));
  12
  13 # List of the headers we are testing.
  14 if (@headers == ()) {
  15   @headers = ("wordexp.h", "wctype.h", "wchar.h", "varargs.h", "utmpx.h",
  16               "utime.h", "unistd.h", "ulimit.h", "ucontext.h", "uchar.h",
  17               "time.h", "tgmath.h", "termios.h", "tar.h", "sys/wait.h",
  18               "sys/utsname.h", "sys/un.h", "sys/uio.h", "sys/types.h",
  19               "sys/times.h", "sys/timeb.h", "sys/time.h", "sys/statvfs.h",
  20               "sys/stat.h", "sys/socket.h", "sys/shm.h", "sys/sem.h",
  21               "sys/select.h", "sys/resource.h", "sys/msg.h", "sys/mman.h",
  22               "sys/ipc.h", "syslog.h", "stropts.h", "strings.h", "string.h",
  23               "stdnoreturn.h", "stdlib.h", "stdio.h", "stdint.h", "stddef.h",
  24               "stdbool.h", "stdarg.h", "stdalign.h", "spawn.h", "signal.h",
  25               "setjmp.h", "semaphore.h", "search.h", "sched.h", "regex.h",
  26               "pwd.h", "pthread.h", "poll.h", "nl_types.h", "netinet/tcp.h",
  27               "netinet/in.h", "net/if.h", "netdb.h", "ndbm.h", "mqueue.h",
  28               "monetary.h", "math.h", "locale.h", "libgen.h", "limits.h",
  29               "langinfo.h", "iso646.h", "inttypes.h", "iconv.h", "grp.h",
  30               "glob.h", "ftw.h", "fnmatch.h", "fmtmsg.h", "float.h", "fenv.h",
  31               "fcntl.h", "errno.h", "dlfcn.h", "dirent.h", "ctype.h", "cpio.h",
  32               "complex.h", "assert.h", "arpa/inet.h", "aio.h");
  33 }
  34
  35 $CFLAGS{"ISO"} = "-ansi";
  36 $CFLAGS{"ISO99"} = "-std=c99";
  37 $CFLAGS{"ISO11"} = "-std=c1x -D_ISOC11_SOURCE";
  38 $CFLAGS{"POSIX"} = "-D_POSIX_C_SOURCE=199912 -ansi";
  39 $CFLAGS{"XPG3"} = "-ansi -D_XOPEN_SOURCE";
  40 $CFLAGS{"XPG4"} = "-ansi -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED";
  41 $CFLAGS{"UNIX98"} = "-ansi -D_XOPEN_SOURCE=500";
  42 $CFLAGS{"XOPEN2K"} = "-std=c99 -D_XOPEN_SOURCE=600";
  43 $CFLAGS{"XOPEN2K8"} = "-std=c99 -D_XOPEN_SOURCE=700";
  44 $CFLAGS{"POSIX2008"} = "-std=c99 -D_POSIX_C_SOURCE=200809L";
  45
  46 $CFLAGS_namespace = "$flags -fno-builtin $CFLAGS{$standard} -D_ISOMAC";
  47 $CFLAGS = "$CFLAGS_namespace '-D__attribute__(x)='";
  48
  49 # Check standard name for validity.
  50 die "unknown standard \"$standard\"" if ($CFLAGS{$standard} eq "");
  51
  52 # if ($standard ne "XOPEN2K8" && $standard ne "POSIX2008") {
  53 #   # Some headers need a bit more attention.  At least with XPG7
  54 #   # all headers should be self-contained.
  55 #   $mustprepend{'inttypes.h'} = "#include <stddef.h>\n";
  56 #   $mustprepend{'glob.h'} = "#include <sys/types.h>\n";
  57 #   $mustprepend{'grp.h'} = "#include <sys/types.h>\n";
  58 #   $mustprepend{'regex.h'} = "#include <sys/types.h>\n";
  59 #   $mustprepend{'pwd.h'} = "#include <sys/types.h>\n";
  60 #   $mustprepend{'sched.h'} = "#include <sys/types.h>\n";
  61 #   $mustprepend{'signal.h'} = "#include <pthread.h>\n#include <sys/types.h>\n";
  62 #   $mustprepend{'stdio.h'} = "#include <sys/types.h>\n";
  63 #   $mustprepend{'sys/stat.h'} = "#include <sys/types.h>\n";
  64 #   $mustprepend{'wchar.h'} = "#include <stdarg.h>\n";
  65 #   $mustprepend{'wordexp.h'} = "#include <stddef.h>\n";
  66 # }
  67
  68 # These are the ISO C90 keywords.
  69 @keywords = ('auto', 'break', 'case', 'char', 'const', 'continue', 'default',
  70              'do', 'double', 'else', 'enum', 'extern', 'float', 'for', 'goto',
  71              'if', 'int', 'long', 'register', 'return',
  72              'short', 'signed', 'sizeof', 'static', 'struct', 'switch',
  73              'typedef', 'union', 'unsigned', 'void', 'volatile', 'while');
  74 if ($CFLAGS{$standard} =~ /-std=(c99|c1x)/) {
  75   push (@keywords, 'inline', 'restrict');
  76 }
  77
  78 # Make a hash table from this information.
  79 while ($#keywords >= 0) {
  80   $iskeyword{pop (@keywords)} = 1;
  81 }
  82
  83 $verbose = 1;
  84
  85 $total = 0;
  86 $skipped = 0;
  87 $errors = 0;
  88
  89
  90 sub poorfnmatch {
  91   my($pattern, $string) = @_;
  92   my($strlen) = length ($string);
  93   my($res);
  94
  95   if (substr ($pattern, 0, 1) eq '*') {
  96     my($patlen) = length ($pattern) - 1;
  97     $res = ($strlen >= $patlen
  98             && substr ($pattern, -$patlen, $patlen) eq substr ($string, -$patlen, $patlen));
  99   } elsif (substr ($pattern, -1, 1) eq '*') {
 100     if (substr ($pattern, -2, 1) eq ']') {
 101       my($patlen) = index ($pattern, '[');
 102       my($range) = substr ($pattern, $patlen + 1, -2);
 103       $res = ($strlen > $patlen
 104               && substr ($pattern, 0, $patlen) eq substr ($string, 0, $patlen)
 105               && index ($range, substr ($string, $patlen, 1)) != -1);
 106     } else {
 107       my($patlen) = length ($pattern) - 1;
 108       $res = ($strlen >= $patlen
 109               && substr ($pattern, 0, $patlen) eq substr ($string, 0, $patlen));
 110     }
 111   } else {
 112     $res = $pattern eq $string;
 113   }
 114   return $res;
 115 }
 116
 117
 118 sub compiletest
 119 {
 120   my($fnamebase, $msg, $errmsg, $skip, $optional) = @_;
 121   my($result) = $skip;
 122   my($printlog) = 0;
 123
 124   ++$total;
 125   printf ("  $msg...");
 126
 127   if ($skip != 0) {
 128     ++$skipped;
 129     printf (" SKIP\n");
 130   } else {
 131     $ret = system "$CC $CFLAGS -c $fnamebase.c -o $fnamebase.o > $fnamebase.out 2>&1";
 132     if ($ret != 0) {
 133       if ($optional != 0) {
 134         printf (" $errmsg\n");
 135         $result = 1;
 136       } else {
 137         printf (" FAIL\n");
 138         if ($verbose != 0) {
 139           printf ("    $errmsg  Compiler message:\n");
 140           $printlog = 1;
 141         }
 142         ++$errors;
 143         $result = 1;
 144       }
 145     } else {
 146       printf (" OK\n");
 147       if ($verbose > 1 && -s "$fnamebase.out") {
 148         # We print all warnings issued.
 149         $printlog = 1;
 150       }
 151     }
 152     if ($printlog != 0) {
 153       printf ("    " . "-" x 71 . "\n");
 154       open (MESSAGE, "< $fnamebase.out");
 155       while (<MESSAGE>) {
 156         printf ("    %s", $_);
 157       }
 158       close (MESSAGE);
 159       printf ("    " . "-" x 71 . "\n");
 160     }
 161   }
 162   unlink "$fnamebase.c";
 163   unlink "$fnamebase.o";
 164   unlink "$fnamebase.out";
 165
 166   $result;
 167 }
 168
 169
 170 sub runtest
 171 {
 172   my($fnamebase, $msg, $errmsg, $skip) = @_;
 173   my($result) = $skip;
 174   my($printlog) = 0;
 175
 176   ++$total;
 177   printf ("  $msg...");
 178
 179   if ($skip != 0) {
 180     ++$skipped;
 181     printf (" SKIP\n");
 182   } else {
 183     $ret = system "$CC $CFLAGS -o $fnamebase $fnamebase.c > $fnamebase.out 2>&1";
 184     if ($ret != 0) {
 185       printf (" FAIL\n");
 186       if ($verbose != 0) {
 187         printf ("    $errmsg  Compiler message:\n");
 188         $printlog = 1;
 189       }
 190       ++$errors;
 191       $result = 1;
 192     } else {
 193       # Now run the program.  If the exit code is not zero something is wrong.
 194       $result = system "$fnamebase > $fnamebase.out2 2>&1";
 195       if ($result == 0) {
 196         printf (" OK\n");
 197         if ($verbose > 1 && -s "$fnamebase.out") {
 198           # We print all warnings issued.
 199           $printlog = 1;
 200           system "cat $fnamebase.out2 >> $fnamebase.out";
 201         }
 202       } else {
 203         printf (" FAIL\n");
 204         ++$errors;
 205         $printlog = 1;
 206         unlink "$fnamebase.out";
 207         rename "$fnamebase.out2", "$fnamebase.out";
 208       }
 209     }
 210     if ($printlog != 0) {
 211       printf ("    " . "-" x 71 . "\n");
 212       open (MESSAGE, "< $fnamebase.out");
 213       while (<MESSAGE>) {
 214         printf ("    %s", $_);
 215       }
 216       close (MESSAGE);
 217       printf ("    " . "-" x 71 . "\n");
 218     }
 219   }
 220   unlink "$fnamebase";
 221   unlink "$fnamebase.c";
 222   unlink "$fnamebase.o";
 223   unlink "$fnamebase.out";
 224   unlink "$fnamebase.out2";
 225
 226   $result;
 227 }
 228
 229
 230 sub newtoken {
 231   my($token, @allow) = @_;
 232   my($idx);
 233
 234   return if ($token =~ /^[0-9_]/ || $iskeyword{$token});
 235
 236   for ($idx = 0; $idx <= $#allow; ++$idx) {
 237     return if (poorfnmatch ($allow[$idx], $token));
 238   }
 239
 240   $errors{$token} = 1;
 241 }
 242
 243
 244 sub removetoken {
 245   my($token) = @_;
 246   my($idx);
 247
 248   return if ($token =~ /^[0-9_]/ || $iskeyword{$token});
 249
 250   if (exists $errors{$token}) {
 251     undef $errors{$token};
 252   }
 253 }
 254
 255
 256 sub checknamespace {
 257   my($h, $fnamebase, @allow) = @_;
 258
 259   ++$total;
 260
 261   # Generate a program to get the contents of this header.
 262   open (TESTFILE, ">$fnamebase.c");
 263   print TESTFILE "#include <$h>\n";
 264   close (TESTFILE);
 265
 266   undef %errors;
 267   $nknown = 0;
 268   open (CONTENT, "$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) = $_;
 278       my($index) = 0;
 279       my($len) = length ($str);
 280
 281       foreach $token (split(/[^a-zA-Z0-9_]/, $str)) {
 282         if ($token ne "") {
 283           newtoken ($token, @allow);
 284         }
 285       }
 286     }
 287   }
 288   close (CONTENT);
 289   unlink "$fnamebase.c";
 290   $realerror = 0;
 291   if ($#errors != 0) {
 292     # Sort the output list so it's easier to compare results with diff.
 293     foreach $f (sort keys(%errors)) {
 294       if ($errors{$f} == 1) {
 295         if ($realerror == 0) {
 296           printf ("FAIL\n    " . "-" x 72 . "\n");
 297           $realerror = 1;
 298           ++$errors;
 299         }
 300         printf ("    Namespace violation: \"%s\"\n", $f);
 301       }
 302     }
 303     printf ("    " . "-" x 72 . "\n") if ($realerror != 0);
 304   }
 305
 306   if ($realerror == 0) {
 307     printf ("OK\n");
 308   }
 309 }
 310
 311
 312 while ($#headers >= 0) {
 313   my($h) = pop (@headers);
 314   my($hf) = $h;
 315   $hf =~ s|/|-|;
 316   my($fnamebase) = "$tmpdir/$hf-test";
 317   my($missing) = 1;
 318   my(@allow) = ();
 319   my(@allowheader) = ();
 320   my(%seenheader) = ();
 321   my($prepend) = $mustprepend{$h};
 322   my($test_exist) = 1;
 323
 324   printf ("Testing <$h>\n");
 325   printf ("----------" . "-" x length ($h) . "\n");
 326
 327   open (CONTROL, "$CC -E -D$standard -x c data/$h-data |");
 328   control: while (<CONTROL>) {
 329     chop;
 330     next control if (/^#/);
 331     next control if (/^[        ]*$/);
 332
 333     if ($test_exist) {
 334       $test_exist = 0;
 335       # Generate a program to test for the availability of this header.
 336       open (TESTFILE, ">$fnamebase.c");
 337       print TESTFILE "$prepend";
 338       print TESTFILE "#include <$h>\n";
 339       close (TESTFILE);
 340
 341       $missing = compiletest ($fnamebase, "Checking whether <$h> is available",
 342                               "Header <$h> not available", 0, 0);
 343       printf ("\n");
 344       last control if ($missing);
 345     }
 346
 347     my($optional) = 0;
 348     if (/^optional-/) {
 349       s/^optional-//;
 350       $optional = 1;
 351     }
 352     if (/^element *({([^}]*)}|([^{ ]*)) *({([^}]*)}|([^{ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
 353       my($struct) = "$2$3";
 354       my($type) = "$5$6";
 355       my($member) = "$7";
 356       my($rest) = "$8";
 357       my($res) = $missing;
 358
 359       # Remember that this name is allowed.
 360       push @allow, $member;
 361
 362       # Generate a program to test for the availability of this member.
 363       open (TESTFILE, ">$fnamebase.c");
 364       print TESTFILE "$prepend";
 365       print TESTFILE "#include <$h>\n";
 366       print TESTFILE "$struct a;\n";
 367       print TESTFILE "$struct b;\n";
 368       print TESTFILE "extern void xyzzy (__typeof__ (&b.$member), __typeof__ (&a.$member), unsigned);\n";
 369       print TESTFILE "void foobarbaz (void) {\n";
 370       print TESTFILE "  xyzzy (&a.$member, &b.$member, sizeof (a.$member));\n";
 371       print TESTFILE "}\n";
 372       close (TESTFILE);
 373
 374       $res = compiletest ($fnamebase, "Testing for member $member",
 375                           ($optional
 376                            ? "NOT AVAILABLE."
 377                            : "Member \"$member\" not available."), $res,
 378                           $optional);
 379
 380       if ($res == 0 || $missing != 0 || !$optional) {
 381         # Test the types of the members.
 382         open (TESTFILE, ">$fnamebase.c");
 383         print TESTFILE "$prepend";
 384         print TESTFILE "#include <$h>\n";
 385         print TESTFILE "$struct a;\n";
 386         print TESTFILE "extern $type b$rest;\n";
 387         print TESTFILE "extern __typeof__ (a.$member) b;\n";
 388         close (TESTFILE);
 389
 390         compiletest ($fnamebase, "Testing for type of member $member",
 391                      "Member \"$member\" does not have the correct type.",
 392                      $res, 0);
 393       }
 394     } elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
 395       my($symbol_type) = $1;
 396       my($symbol) = $2;
 397       my($type) = $3;
 398       my($op) = $4;
 399       my($value) = $5;
 400       my($res) = $missing;
 401       my($mres) = $missing;
 402       my($cres) = $missing;
 403
 404       # Remember that this name is allowed.
 405       push @allow, $symbol;
 406
 407       if ($symbol_type =~ /macro/) {
 408         # Generate a program to test for availability of this macro.
 409         open (TESTFILE, ">$fnamebase.c");
 410         print TESTFILE "$prepend";
 411         print TESTFILE "#include <$h>\n";
 412         print TESTFILE "#ifndef $symbol\n";
 413         print TESTFILE "# error \"Macro $symbol not defined\"\n";
 414         print TESTFILE "#endif\n";
 415         close (TESTFILE);
 416
 417         $mres = compiletest ($fnamebase, "Test availability of macro $symbol",
 418                              ($optional
 419                               ? "NOT PRESENT"
 420                               : "Macro \"$symbol\" is not available."), $res,
 421                              $optional);
 422       }
 423
 424       if ($symbol_type =~ /constant/) {
 425         # Generate a program to test for the availability of this constant.
 426         open (TESTFILE, ">$fnamebase.c");
 427         print TESTFILE "$prepend";
 428         print TESTFILE "#include <$h>\n";
 429         print TESTFILE "__typeof__ ($symbol) a = $symbol;\n";
 430         close (TESTFILE);
 431
 432         $cres = compiletest ($fnamebase, "Testing for constant $symbol",
 433                              ($optional
 434                               ? "NOT PRESENT"
 435                               : "Constant \"$symbol\" not available."), $res,
 436                              $optional);
 437       }
 438
 439       $res = $res || $mres || $cres;
 440
 441       if ($symbol_type eq "macro-int-constant" && ($res == 0 || !$optional)) {
 442         # Test that the symbol is usable in #if.
 443         open (TESTFILE, ">$fnamebase.c");
 444         print TESTFILE "$prepend";
 445         print TESTFILE "#include <$h>\n";
 446         print TESTFILE "#if $symbol < 0\n";
 447         print TESTFILE "# define conformtest_negative 1\n";
 448         my($s) = "0";
 449         for (my $i = 0; $i < 63; $i++) {
 450           print TESTFILE "# if $symbol & (1LL << $i)\n";
 451           print TESTFILE "#  define conformtest_bit_$i 0LL\n";
 452           print TESTFILE "# else\n";
 453           print TESTFILE "#  define conformtest_bit_$i (1LL << $i)\n";
 454           print TESTFILE "# endif\n";
 455           $s .= "|conformtest_bit_$i";
 456         }
 457         print TESTFILE "# define conformtest_value ~($s)\n";
 458         print TESTFILE "#else\n";
 459         print TESTFILE "# define conformtest_negative 0\n";
 460         $s = "0";
 461         for (my $i = 0; $i < 64; $i++) {
 462           print TESTFILE "# if $symbol & (1ULL << $i)\n";
 463           print TESTFILE "#  define conformtest_bit_$i (1ULL << $i)\n";
 464           print TESTFILE "# else\n";
 465           print TESTFILE "#  define conformtest_bit_$i 0ULL\n";
 466           print TESTFILE "# endif\n";
 467           $s .= "|conformtest_bit_$i";
 468         }
 469         print TESTFILE "# define conformtest_value ($s)\n";
 470         print TESTFILE "#endif\n";
 471         print TESTFILE "int main (void) { return !((($symbol < 0) == conformtest_negative) && ($symbol == conformtest_value)); }\n";
 472         close (TESTFILE);
 473
 474         runtest ($fnamebase, "Testing for #if usability of symbol $symbol",
 475                  "Symbol \"$symbol\" not usable in #if.", $res);
 476       }
 477
 478       if (defined ($type) && ($res == 0 || !$optional)) {
 479         # Test the type of the symbol.
 480         open (TESTFILE, ">$fnamebase.c");
 481         print TESTFILE "$prepend";
 482         print TESTFILE "#include <$h>\n";
 483         if ($type =~ /^promoted:/) {
 484           $type =~ s/^promoted://;
 485           print TESTFILE "__typeof__ (($type) 0 + ($type) 0) a;\n";
 486         } else {
 487           print TESTFILE "__typeof__ (($type) 0) a;\n";
 488         }
 489         print TESTFILE "extern __typeof__ ($symbol) a;\n";
 490         close (TESTFILE);
 491
 492         compiletest ($fnamebase, "Testing for type of symbol $symbol",
 493                      "Symbol \"$symbol\" does not have the correct type.",
 494                      $res, 0);
 495       }
 496
 497       if (defined ($op) && ($res == 0 || !$optional)) {
 498         # Generate a program to test for the value of this symbol.
 499         open (TESTFILE, ">$fnamebase.c");
 500         print TESTFILE "$prepend";
 501         print TESTFILE "#include <$h>\n";
 502         # Negate the value since 0 means ok
 503         print TESTFILE "int main (void) { return !($symbol $op $value); }\n";
 504         close (TESTFILE);
 505
 506         $res = runtest ($fnamebase, "Testing for value of symbol $symbol",
 507                         "Symbol \"$symbol\" has not the right value.", $res);
 508       }
 509     } elsif (/^symbol *([a-zA-Z0-9_]*) *([A-Za-z0-9_-]*)?/) {
 510       my($symbol) = $1;
 511       my($value) = $2;
 512       my($res) = $missing;
 513
 514       # Remember that this name is allowed.
 515       push @allow, $symbol;
 516
 517       # Generate a program to test for the availability of this constant.
 518       open (TESTFILE, ">$fnamebase.c");
 519       print TESTFILE "$prepend";
 520       print TESTFILE "#include <$h>\n";
 521       print TESTFILE "void foobarbaz (void) {\n";
 522       print TESTFILE "__typeof__ ($symbol) a = $symbol;\n";
 523       print TESTFILE "}\n";
 524       close (TESTFILE);
 525
 526       $res = compiletest ($fnamebase, "Testing for symbol $symbol",
 527                           "Symbol \"$symbol\" not available.", $res, 0);
 528
 529       if ($value ne "") {
 530         # Generate a program to test for the value of this constant.
 531         open (TESTFILE, ">$fnamebase.c");
 532         print TESTFILE "$prepend";
 533         print TESTFILE "#include <$h>\n";
 534         print TESTFILE "int main (void) { return $symbol != $value; }\n";
 535         close (TESTFILE);
 536
 537         $res = runtest ($fnamebase, "Testing for value of symbol $symbol",
 538                         "Symbol \"$symbol\" has not the right value.", $res);
 539       }
 540     } elsif (/^type *({([^}]*)|([a-zA-Z0-9_]*))/) {
 541       my($type) = "$2$3";
 542       my($maybe_opaque) = 0;
 543
 544       # Remember that this name is allowed.
 545       if ($type =~ /^struct *(.*)/) {
 546         push @allow, $1;
 547       } elsif ($type =~ /^union *(.*)/) {
 548         push @allow, $1;
 549       } else {
 550         push @allow, $type;
 551         $maybe_opaque = 1;
 552       }
 553
 554       # Generate a program to test for the availability of this type.
 555       open (TESTFILE, ">$fnamebase.c");
 556       print TESTFILE "$prepend";
 557       print TESTFILE "#include <$h>\n";
 558       if ($maybe_opaque == 1) {
 559         print TESTFILE "$type *a;\n";
 560       } else {
 561         print TESTFILE "$type a;\n";
 562       }
 563       close (TESTFILE);
 564
 565       compiletest ($fnamebase, "Testing for type $type",
 566                    ($optional
 567                     ? "NOT AVAILABLE"
 568                     : "Type \"$type\" not available."), $missing, $optional);
 569     } elsif (/^tag *({([^}]*)|([a-zA-Z0-9_]*))/) {
 570       my($type) = "$2$3";
 571
 572       # Remember that this name is allowed.
 573       if ($type =~ /^struct *(.*)/) {
 574         push @allow, $1;
 575       } elsif ($type =~ /^union *(.*)/) {
 576         push @allow, $1;
 577       } else {
 578         push @allow, $type;
 579       }
 580
 581       # Generate a program to test for the availability of this type.
 582       open (TESTFILE, ">$fnamebase.c");
 583       print TESTFILE "$prepend";
 584       print TESTFILE "#include <$h>\n";
 585       print TESTFILE "$type;\n";
 586       close (TESTFILE);
 587
 588       compiletest ($fnamebase, "Testing for type $type",
 589                    "Type \"$type\" not available.", $missing, 0);
 590     } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) [(][*]([a-zA-Z0-9_]*) ([(].*[)])/) {
 591       my($rettype) = "$2$3";
 592       my($fname) = "$4";
 593       my($args) = "$5";
 594       my($res) = $missing;
 595
 596       # Remember that this name is allowed.
 597       push @allow, $fname;
 598
 599       # Generate a program to test for availability of this function.
 600       open (TESTFILE, ">$fnamebase.c");
 601       print TESTFILE "$prepend";
 602       print TESTFILE "#include <$h>\n";
 603       # print TESTFILE "#undef $fname\n";
 604       print TESTFILE "$rettype (*(*foobarbaz) $args = $fname;\n";
 605       close (TESTFILE);
 606
 607       $res = compiletest ($fnamebase, "Test availability of function $fname",
 608                           ($optional
 609                            ? "NOT AVAILABLE"
 610                            : "Function \"$fname\" is not available."), $res,
 611                           $optional);
 612
 613       if ($res == 0 || $missing == 1 || !$optional) {
 614         # Generate a program to test for the type of this function.
 615         open (TESTFILE, ">$fnamebase.c");
 616         print TESTFILE "$prepend";
 617         print TESTFILE "#include <$h>\n";
 618         # print TESTFILE "#undef $fname\n";
 619         print TESTFILE "extern $rettype (*(*foobarbaz) $args;\n";
 620         print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 621         close (TESTFILE);
 622
 623         compiletest ($fnamebase, "Test for type of function $fname",
 624                      "Function \"$fname\" has incorrect type.", $res, 0);
 625       }
 626     } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 627       my($rettype) = "$2$3";
 628       my($fname) = "$4";
 629       my($args) = "$5";
 630       my($res) = $missing;
 631
 632       # Remember that this name is allowed.
 633       push @allow, $fname;
 634
 635       # Generate a program to test for availability of this function.
 636       open (TESTFILE, ">$fnamebase.c");
 637       print TESTFILE "$prepend";
 638       print TESTFILE "#include <$h>\n";
 639       # print TESTFILE "#undef $fname\n";
 640       print TESTFILE "$rettype (*foobarbaz) $args = $fname;\n";
 641       close (TESTFILE);
 642
 643       $res = compiletest ($fnamebase, "Test availability of function $fname",
 644                           ($optional
 645                            ? "NOT AVAILABLE"
 646                            : "Function \"$fname\" is not available."), $res,
 647                           $optional);
 648
 649       if ($res == 0 || $missing != 0 || !$optional) {
 650         # Generate a program to test for the type of this function.
 651         open (TESTFILE, ">$fnamebase.c");
 652         print TESTFILE "$prepend";
 653         print TESTFILE "#include <$h>\n";
 654         # print TESTFILE "#undef $fname\n";
 655         print TESTFILE "extern $rettype (*foobarbaz) $args;\n";
 656         print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 657         close (TESTFILE);
 658
 659         compiletest ($fnamebase, "Test for type of function $fname",
 660                      "Function \"$fname\" has incorrect type.", $res, 0);
 661       }
 662     } elsif (/^variable *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) *(.*)/) {
 663       my($type) = "$2$3";
 664       my($vname) = "$4";
 665       my($rest) = "$5";
 666       my($res) = $missing;
 667
 668       # Remember that this name is allowed.
 669       push @allow, $vname;
 670
 671       # Generate a program to test for availability of this function.
 672       open (TESTFILE, ">$fnamebase.c");
 673       print TESTFILE "$prepend";
 674       print TESTFILE "#include <$h>\n";
 675       # print TESTFILE "#undef $fname\n";
 676       print TESTFILE "typedef $type xyzzy$rest;\n";
 677       print TESTFILE "$xyzzy *foobarbaz = &$vname;\n";
 678       close (TESTFILE);
 679
 680       $res = compiletest ($fnamebase, "Test availability of variable $vname",
 681                           "Variable \"$vname\" is not available.", $res, 0);
 682
 683       # Generate a program to test for the type of this function.
 684       open (TESTFILE, ">$fnamebase.c");
 685       print TESTFILE "$prepend";
 686       print TESTFILE "#include <$h>\n";
 687       # print TESTFILE "#undef $fname\n";
 688       print TESTFILE "extern $type $vname$rest;\n";
 689       close (TESTFILE);
 690
 691       compiletest ($fnamebase, "Test for type of variable $fname",
 692                    "Variable \"$vname\" has incorrect type.", $res, 0);
 693     } elsif (/^macro-function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 694       my($rettype) = "$2$3";
 695       my($fname) = "$4";
 696       my($args) = "$5";
 697       my($res) = $missing;
 698
 699       # Remember that this name is allowed.
 700       push @allow, $fname;
 701
 702       # Generate a program to test for availability of this function.
 703       open (TESTFILE, ">$fnamebase.c");
 704       print TESTFILE "$prepend";
 705       print TESTFILE "#include <$h>\n";
 706       print TESTFILE "#ifndef $fname\n";
 707       print TESTFILE "$rettype (*foobarbaz) $args = $fname;\n";
 708       print TESTFILE "#endif\n";
 709       close (TESTFILE);
 710
 711       $res = compiletest ($fnamebase, "Test availability of macro $fname",
 712                           "Function \"$fname\" is not available.", $res, 0);
 713
 714       # Generate a program to test for the type of this function.
 715       open (TESTFILE, ">$fnamebase.c");
 716       print TESTFILE "$prepend";
 717       print TESTFILE "#include <$h>\n";
 718       print TESTFILE "#ifndef $fname\n";
 719       print TESTFILE "extern $rettype (*foobarbaz) $args;\n";
 720       print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 721       print TESTFILE "#endif\n";
 722       close (TESTFILE);
 723
 724       compiletest ($fnamebase, "Test for type of macro $fname",
 725                    "Function \"$fname\" has incorrect type.", $res, 0);
 726     } elsif (/^macro-str *([^    ]*) *(\".*\")/) {
 727       # The above regex doesn't handle a \" in a string.
 728       my($macro) = "$1";
 729       my($string) = "$2";
 730       my($res) = $missing;
 731
 732       # Remember that this name is allowed.
 733       push @allow, $macro;
 734
 735       # Generate a program to test for availability of this macro.
 736       open (TESTFILE, ">$fnamebase.c");
 737       print TESTFILE "$prepend";
 738       print TESTFILE "#include <$h>\n";
 739       print TESTFILE "#ifndef $macro\n";
 740       print TESTFILE "# error \"Macro $macro not defined\"\n";
 741       print TESTFILE "#endif\n";
 742       close (TESTFILE);
 743
 744       compiletest ($fnamebase, "Test availability of macro $macro",
 745                    "Macro \"$macro\" is not available.", $missing, 0);
 746
 747       # Generate a program to test for the value of this macro.
 748       open (TESTFILE, ">$fnamebase.c");
 749       print TESTFILE "$prepend";
 750       print TESTFILE "#include <$h>\n";
 751       # We can't include <string.h> here.
 752       print TESTFILE "extern int (strcmp)(const char *, const char *);\n";
 753       print TESTFILE "int main (void) { return (strcmp) ($macro, $string) != 0;}\n";
 754       close (TESTFILE);
 755
 756       $res = runtest ($fnamebase, "Testing for value of macro $macro",
 757                       "Macro \"$macro\" has not the right value.", $res);
 758     } elsif (/^allow-header *(.*)/) {
 759       my($pattern) = $1;
 760       if ($seenheader{$pattern} != 1) {
 761         push @allowheader, $pattern;
 762         $seenheader{$pattern} = 1;
 763       }
 764       next control;
 765     } elsif (/^allow *(.*)/) {
 766       my($pattern) = $1;
 767       push @allow, $pattern;
 768       next control;
 769     } else {
 770       # printf ("line is `%s'\n", $_);
 771       next control;
 772     }
 773
 774     printf ("\n");
 775   }
 776   close (CONTROL);
 777
 778   # Read the data files for the header files which are allowed to be included.
 779   while ($#allowheader >= 0) {
 780     my($ah) = pop @allowheader;
 781
 782     open (ALLOW, "$CC -E -D$standard -x c data/$ah-data |");
 783     acontrol: while (<ALLOW>) {
 784       chop;
 785       next acontrol if (/^#/);
 786       next acontrol if (/^[     ]*$/);
 787
 788       if (/^element *({([^}]*)}|([^ ]*)) *({([^}]*)}|([^ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
 789         push @allow, $7;
 790       } elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
 791         push @allow, $2;
 792       } elsif (/^(type|tag) *({([^}]*)|([a-zA-Z0-9_]*))/) {
 793         my($type) = "$3$4";
 794
 795         # Remember that this name is allowed.
 796         if ($type =~ /^struct *(.*)/) {
 797           push @allow, $1;
 798         } elsif ($type =~ /^union *(.*)/) {
 799           push @allow, $1;
 800         } else {
 801           push @allow, $type;
 802         }
 803       } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) [(][*]([a-zA-Z0-9_]*) ([(].*[)])/) {
 804         push @allow, $4;
 805       } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 806         push @allow, $4;
 807       } elsif (/^variable *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*)/) {
 808         push @allow, $4;
 809       } elsif (/^macro-function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 810         push @allow, $4;
 811       } elsif (/^symbol *([a-zA-Z0-9_]*) *([A-Za-z0-9_-]*)?/) {
 812         push @allow, $1;
 813       } elsif (/^allow-header *(.*)/) {
 814         if ($seenheader{$1} != 1) {
 815           push @allowheader, $1;
 816           $seenheader{$1} = 1;
 817         }
 818       } elsif (/^allow *(.*)/) {
 819         push @allow, $1;
 820       }
 821     }
 822     close (ALLOW);
 823   }
 824
 825   if ($test_exist) {
 826     printf ("  Not defined\n");
 827   } else {
 828     # Now check the namespace.
 829     printf ("  Checking the namespace of \"%s\"... ", $h);
 830     if ($missing) {
 831       ++$skipped;
 832       printf ("SKIP\n");
 833     } else {
 834       checknamespace ($h, $fnamebase, @allow);
 835     }
 836   }
 837
 838   printf ("\n\n");
 839 }
 840
 841 printf "-" x 76 . "\n";
 842 printf ("  Total number of tests   : %4d\n", $total);
 843
 844 printf ("  Number of failed tests  : %4d (", $errors);
 845 $percent = ($errors * 100) / $total;
 846 if ($errors > 0 && $percent < 1.0) {
 847   printf (" <1%%)\n");
 848 } else {
 849   printf ("%3d%%)\n", $percent);
 850 }
 851
 852 printf ("  Number of skipped tests : %4d (", $skipped);
 853 $percent = ($skipped * 100) / $total;
 854 if ($skipped > 0 && $percent < 1.0) {
 855   printf (" <1%%)\n");
 856 } else {
 857   printf ("%3d%%)\n", $percent);
 858 }
 859
 860 exit $errors != 0;
 861 # Local Variables:
 862 #  perl-indent-level: 2
 863 # End: