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               "stdlib.h", "stdio.h", "stdint.h", "stddef.h", "stdarg.h",
  24               "spawn.h", "signal.h", "setjmp.h", "semaphore.h", "search.h",
  25               "sched.h", "regex.h", "pwd.h", "pthread.h", "poll.h",
  26               "nl_types.h", "netinet/tcp.h", "netinet/in.h", "net/if.h",
  27               "netdb.h", "ndbm.h", "mqueue.h", "monetary.h", "math.h",
  28               "locale.h", "libgen.h", "limits.h", "langinfo.h", "iso646.h",
  29               "inttypes.h", "iconv.h", "grp.h", "glob.h", "ftw.h", "fnmatch.h",
  30               "fmtmsg.h", "float.h", "fenv.h", "fcntl.h", "errno.h", "dlfcn.h",
  31               "dirent.h", "ctype.h", "cpio.h", "complex.h", "assert.h",
  32               "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], $token));
 238   }
 239 }
 240
 241
 242 sub removetoken {
 243   my($token) = @_;
 244   my($idx);
 245
 246   return if ($token =~ /^[0-9_]/ || $iskeyword{$token});
 247
 248   if (exists $errors{$token}) {
 249     undef $errors{$token};
 250   }
 251 }
 252
 253
 254 sub checknamespace {
 255   my($h, $fnamebase, @allow) = @_;
 256
 257   ++$total;
 258
 259   # Generate a program to get the contents of this header.
 260   open (TESTFILE, ">$fnamebase.c");
 261   print TESTFILE "#include <$h>\n";
 262   close (TESTFILE);
 263
 264   undef %errors;
 265   $nknown = 0;
 266   open (CONTENT, "$CC $CFLAGS_namespace -E $fnamebase.c -P -Wp,-dN | sed -e '/^# [1-9]/d' -e '/^[[:space:]]*\$/d' |");
 267   loop: while (<CONTENT>) {
 268     chop;
 269     if (/^#define (.*)/) {
 270       newtoken ($1, @allow);
 271     } elsif (/^#undef (.*)/) {
 272       removetoken ($1);
 273     } else {
 274       # We have to tokenize the line.
 275       my($str) = $_;
 276       my($index) = 0;
 277       my($len) = length ($str);
 278
 279       foreach $token (split(/[^a-zA-Z0-9_]/, $str)) {
 280         if ($token ne "") {
 281           newtoken ($token, @allow);
 282         }
 283       }
 284     }
 285   }
 286   close (CONTENT);
 287   unlink "$fnamebase.c";
 288   $realerror = 0;
 289   if ($#errors != 0) {
 290     # Sort the output list so it's easier to compare results with diff.
 291     foreach $f (sort keys(%errors)) {
 292       if ($errors{$f} == 1) {
 293         if ($realerror == 0) {
 294           printf ("FAIL\n    " . "-" x 72 . "\n");
 295           $realerror = 1;
 296           ++$errors;
 297         }
 298         printf ("    Namespace violation: \"%s\"\n", $f);
 299       }
 300     }
 301     printf ("    " . "-" x 72 . "\n") if ($realerror != 0);
 302   }
 303
 304   if ($realerror == 0) {
 305     printf ("OK\n");
 306   }
 307 }
 308
 309
 310 while ($#headers >= 0) {
 311   my($h) = pop (@headers);
 312   my($hf) = $h;
 313   $hf =~ s|/|-|;
 314   my($fnamebase) = "$tmpdir/$hf-test";
 315   my($missing) = 1;
 316   my(@allow) = ();
 317   my(@allowheader) = ();
 318   my(%seenheader) = ();
 319   my($prepend) = $mustprepend{$h};
 320   my($test_exist) = 1;
 321
 322   printf ("Testing <$h>\n");
 323   printf ("----------" . "-" x length ($h) . "\n");
 324
 325   open (CONTROL, "$CC -E -D$standard -x c data/$h-data |");
 326   control: while (<CONTROL>) {
 327     chop;
 328     next control if (/^#/);
 329     next control if (/^[        ]*$/);
 330
 331     if ($test_exist) {
 332       $test_exist = 0;
 333       # Generate a program to test for the availability of this header.
 334       open (TESTFILE, ">$fnamebase.c");
 335       print TESTFILE "$prepend";
 336       print TESTFILE "#include <$h>\n";
 337       close (TESTFILE);
 338
 339       $missing = compiletest ($fnamebase, "Checking whether <$h> is available",
 340                               "Header <$h> not available", 0, 0);
 341       printf ("\n");
 342       last control if ($missing);
 343     }
 344
 345     my($optional) = 0;
 346     if (/^optional-/) {
 347       s/^optional-//;
 348       $optional = 1;
 349     }
 350     if (/^element *({([^}]*)}|([^{ ]*)) *({([^}]*)}|([^{ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
 351       my($struct) = "$2$3";
 352       my($type) = "$5$6";
 353       my($member) = "$7";
 354       my($rest) = "$8";
 355       my($res) = $missing;
 356
 357       # Remember that this name is allowed.
 358       push @allow, $member;
 359
 360       # Generate a program to test for the availability of this member.
 361       open (TESTFILE, ">$fnamebase.c");
 362       print TESTFILE "$prepend";
 363       print TESTFILE "#include <$h>\n";
 364       print TESTFILE "$struct a;\n";
 365       print TESTFILE "$struct b;\n";
 366       print TESTFILE "extern void xyzzy (__typeof__ (&b.$member), __typeof__ (&a.$member), unsigned);\n";
 367       print TESTFILE "void foobarbaz (void) {\n";
 368       print TESTFILE "  xyzzy (&a.$member, &b.$member, sizeof (a.$member));\n";
 369       print TESTFILE "}\n";
 370       close (TESTFILE);
 371
 372       $res = compiletest ($fnamebase, "Testing for member $member",
 373                           ($optional
 374                            ? "NOT AVAILABLE."
 375                            : "Member \"$member\" not available."), $res,
 376                           $optional);
 377
 378       if ($res == 0 || $missing != 0 || !$optional) {
 379         # Test the types of the members.
 380         open (TESTFILE, ">$fnamebase.c");
 381         print TESTFILE "$prepend";
 382         print TESTFILE "#include <$h>\n";
 383         print TESTFILE "$struct a;\n";
 384         print TESTFILE "extern $type b$rest;\n";
 385         print TESTFILE "extern __typeof__ (a.$member) b;\n";
 386         close (TESTFILE);
 387
 388         compiletest ($fnamebase, "Testing for type of member $member",
 389                      "Member \"$member\" does not have the correct type.",
 390                      $res, 0);
 391       }
 392     } elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
 393       my($symbol_type) = $1;
 394       my($symbol) = $2;
 395       my($type) = $3;
 396       my($op) = $4;
 397       my($value) = $5;
 398       my($res) = $missing;
 399       my($mres) = $missing;
 400       my($cres) = $missing;
 401
 402       # Remember that this name is allowed.
 403       push @allow, $symbol;
 404
 405       if ($symbol_type =~ /macro/) {
 406         # Generate a program to test for availability of this macro.
 407         open (TESTFILE, ">$fnamebase.c");
 408         print TESTFILE "$prepend";
 409         print TESTFILE "#include <$h>\n";
 410         print TESTFILE "#ifndef $symbol\n";
 411         print TESTFILE "# error \"Macro $symbol not defined\"\n";
 412         print TESTFILE "#endif\n";
 413         close (TESTFILE);
 414
 415         $mres = compiletest ($fnamebase, "Test availability of macro $symbol",
 416                              ($optional
 417                               ? "NOT PRESENT"
 418                               : "Macro \"$symbol\" is not available."), $res,
 419                              $optional);
 420       }
 421
 422       if ($symbol_type =~ /constant/) {
 423         # Generate a program to test for the availability of this constant.
 424         open (TESTFILE, ">$fnamebase.c");
 425         print TESTFILE "$prepend";
 426         print TESTFILE "#include <$h>\n";
 427         print TESTFILE "__typeof__ ($symbol) a = $symbol;\n";
 428         close (TESTFILE);
 429
 430         $cres = compiletest ($fnamebase, "Testing for constant $symbol",
 431                              ($optional
 432                               ? "NOT PRESENT"
 433                               : "Constant \"$symbol\" not available."), $res,
 434                              $optional);
 435       }
 436
 437       $res = $res || $mres || $cres;
 438
 439       if ($symbol_type eq "macro-int-constant" && ($res == 0 || !$optional)) {
 440         # Test that the symbol is usable in #if.
 441         open (TESTFILE, ">$fnamebase.c");
 442         print TESTFILE "$prepend";
 443         print TESTFILE "#include <$h>\n";
 444         print TESTFILE "#if $symbol < 0\n";
 445         print TESTFILE "# define conformtest_negative 1\n";
 446         my($s) = "0";
 447         for (my $i = 0; $i < 63; $i++) {
 448           print TESTFILE "# if $symbol & (1LL << $i)\n";
 449           print TESTFILE "#  define conformtest_bit_$i 0LL\n";
 450           print TESTFILE "# else\n";
 451           print TESTFILE "#  define conformtest_bit_$i (1LL << $i)\n";
 452           print TESTFILE "# endif\n";
 453           $s .= "|conformtest_bit_$i";
 454         }
 455         print TESTFILE "# define conformtest_value ~($s)\n";
 456         print TESTFILE "#else\n";
 457         print TESTFILE "# define conformtest_negative 0\n";
 458         $s = "0";
 459         for (my $i = 0; $i < 64; $i++) {
 460           print TESTFILE "# if $symbol & (1ULL << $i)\n";
 461           print TESTFILE "#  define conformtest_bit_$i (1ULL << $i)\n";
 462           print TESTFILE "# else\n";
 463           print TESTFILE "#  define conformtest_bit_$i 0ULL\n";
 464           print TESTFILE "# endif\n";
 465           $s .= "|conformtest_bit_$i";
 466         }
 467         print TESTFILE "# define conformtest_value ($s)\n";
 468         print TESTFILE "#endif\n";
 469         print TESTFILE "int main (void) { return !((($symbol < 0) == conformtest_negative) && ($symbol == conformtest_value)); }\n";
 470         close (TESTFILE);
 471
 472         runtest ($fnamebase, "Testing for #if usability of symbol $symbol",
 473                  "Symbol \"$symbol\" not usable in #if.", $res);
 474       }
 475
 476       if (defined ($type) && ($res == 0 || !$optional)) {
 477         # Test the type of the symbol.
 478         open (TESTFILE, ">$fnamebase.c");
 479         print TESTFILE "$prepend";
 480         print TESTFILE "#include <$h>\n";
 481         if ($type =~ /^promoted:/) {
 482           $type =~ s/^promoted://;
 483           print TESTFILE "__typeof__ (($type) 0 + ($type) 0) a;\n";
 484         } else {
 485           print TESTFILE "__typeof__ (($type) 0) a;\n";
 486         }
 487         print TESTFILE "extern __typeof__ ($symbol) a;\n";
 488         close (TESTFILE);
 489
 490         compiletest ($fnamebase, "Testing for type of symbol $symbol",
 491                      "Symbol \"$symbol\" does not have the correct type.",
 492                      $res, 0);
 493       }
 494
 495       if (defined ($op) && ($res == 0 || !$optional)) {
 496         # Generate a program to test for the value of this symbol.
 497         open (TESTFILE, ">$fnamebase.c");
 498         print TESTFILE "$prepend";
 499         print TESTFILE "#include <$h>\n";
 500         # Negate the value since 0 means ok
 501         print TESTFILE "int main (void) { return !($symbol $op $value); }\n";
 502         close (TESTFILE);
 503
 504         $res = runtest ($fnamebase, "Testing for value of symbol $symbol",
 505                         "Symbol \"$symbol\" has not the right value.", $res);
 506       }
 507     } elsif (/^symbol *([a-zA-Z0-9_]*) *([A-Za-z0-9_-]*)?/) {
 508       my($symbol) = $1;
 509       my($value) = $2;
 510       my($res) = $missing;
 511
 512       # Remember that this name is allowed.
 513       push @allow, $symbol;
 514
 515       # Generate a program to test for the availability of this constant.
 516       open (TESTFILE, ">$fnamebase.c");
 517       print TESTFILE "$prepend";
 518       print TESTFILE "#include <$h>\n";
 519       print TESTFILE "void foobarbaz (void) {\n";
 520       print TESTFILE "__typeof__ ($symbol) a = $symbol;\n";
 521       print TESTFILE "}\n";
 522       close (TESTFILE);
 523
 524       $res = compiletest ($fnamebase, "Testing for symbol $symbol",
 525                           "Symbol \"$symbol\" not available.", $res, 0);
 526
 527       if ($value ne "") {
 528         # Generate a program to test for the value of this constant.
 529         open (TESTFILE, ">$fnamebase.c");
 530         print TESTFILE "$prepend";
 531         print TESTFILE "#include <$h>\n";
 532         print TESTFILE "int main (void) { return $symbol != $value; }\n";
 533         close (TESTFILE);
 534
 535         $res = runtest ($fnamebase, "Testing for value of symbol $symbol",
 536                         "Symbol \"$symbol\" has not the right value.", $res);
 537       }
 538     } elsif (/^type *({([^}]*)|([a-zA-Z0-9_]*))/) {
 539       my($type) = "$2$3";
 540       my($maybe_opaque) = 0;
 541
 542       # Remember that this name is allowed.
 543       if ($type =~ /^struct *(.*)/) {
 544         push @allow, $1;
 545       } elsif ($type =~ /^union *(.*)/) {
 546         push @allow, $1;
 547       } else {
 548         push @allow, $type;
 549         $maybe_opaque = 1;
 550       }
 551
 552       # Generate a program to test for the availability of this type.
 553       open (TESTFILE, ">$fnamebase.c");
 554       print TESTFILE "$prepend";
 555       print TESTFILE "#include <$h>\n";
 556       if ($maybe_opaque == 1) {
 557         print TESTFILE "$type *a;\n";
 558       } else {
 559         print TESTFILE "$type a;\n";
 560       }
 561       close (TESTFILE);
 562
 563       compiletest ($fnamebase, "Testing for type $type",
 564                    ($optional
 565                     ? "NOT AVAILABLE"
 566                     : "Type \"$type\" not available."), $missing, $optional);
 567     } elsif (/^tag *({([^}]*)|([a-zA-Z0-9_]*))/) {
 568       my($type) = "$2$3";
 569
 570       # Remember that this name is allowed.
 571       if ($type =~ /^struct *(.*)/) {
 572         push @allow, $1;
 573       } elsif ($type =~ /^union *(.*)/) {
 574         push @allow, $1;
 575       } else {
 576         push @allow, $type;
 577       }
 578
 579       # Generate a program to test for the availability of this type.
 580       open (TESTFILE, ">$fnamebase.c");
 581       print TESTFILE "$prepend";
 582       print TESTFILE "#include <$h>\n";
 583       print TESTFILE "$type;\n";
 584       close (TESTFILE);
 585
 586       compiletest ($fnamebase, "Testing for type $type",
 587                    "Type \"$type\" not available.", $missing, 0);
 588     } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) [(][*]([a-zA-Z0-9_]*) ([(].*[)])/) {
 589       my($rettype) = "$2$3";
 590       my($fname) = "$4";
 591       my($args) = "$5";
 592       my($res) = $missing;
 593
 594       # Remember that this name is allowed.
 595       push @allow, $fname;
 596
 597       # Generate a program to test for availability of this function.
 598       open (TESTFILE, ">$fnamebase.c");
 599       print TESTFILE "$prepend";
 600       print TESTFILE "#include <$h>\n";
 601       # print TESTFILE "#undef $fname\n";
 602       print TESTFILE "$rettype (*(*foobarbaz) $args = $fname;\n";
 603       close (TESTFILE);
 604
 605       $res = compiletest ($fnamebase, "Test availability of function $fname",
 606                           ($optional
 607                            ? "NOT AVAILABLE"
 608                            : "Function \"$fname\" is not available."), $res,
 609                           $optional);
 610
 611       if ($res == 0 || $missing == 1 || !$optional) {
 612         # Generate a program to test for the type of this function.
 613         open (TESTFILE, ">$fnamebase.c");
 614         print TESTFILE "$prepend";
 615         print TESTFILE "#include <$h>\n";
 616         # print TESTFILE "#undef $fname\n";
 617         print TESTFILE "extern $rettype (*(*foobarbaz) $args;\n";
 618         print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 619         close (TESTFILE);
 620
 621         compiletest ($fnamebase, "Test for type of function $fname",
 622                      "Function \"$fname\" has incorrect type.", $res, 0);
 623       }
 624     } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 625       my($rettype) = "$2$3";
 626       my($fname) = "$4";
 627       my($args) = "$5";
 628       my($res) = $missing;
 629
 630       # Remember that this name is allowed.
 631       push @allow, $fname;
 632
 633       # Generate a program to test for availability of this function.
 634       open (TESTFILE, ">$fnamebase.c");
 635       print TESTFILE "$prepend";
 636       print TESTFILE "#include <$h>\n";
 637       # print TESTFILE "#undef $fname\n";
 638       print TESTFILE "$rettype (*foobarbaz) $args = $fname;\n";
 639       close (TESTFILE);
 640
 641       $res = compiletest ($fnamebase, "Test availability of function $fname",
 642                           ($optional
 643                            ? "NOT AVAILABLE"
 644                            : "Function \"$fname\" is not available."), $res,
 645                           $optional);
 646
 647       if ($res == 0 || $missing != 0 || !$optional) {
 648         # Generate a program to test for the type of this function.
 649         open (TESTFILE, ">$fnamebase.c");
 650         print TESTFILE "$prepend";
 651         print TESTFILE "#include <$h>\n";
 652         # print TESTFILE "#undef $fname\n";
 653         print TESTFILE "extern $rettype (*foobarbaz) $args;\n";
 654         print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 655         close (TESTFILE);
 656
 657         compiletest ($fnamebase, "Test for type of function $fname",
 658                      "Function \"$fname\" has incorrect type.", $res, 0);
 659       }
 660     } elsif (/^variable *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) *(.*)/) {
 661       my($type) = "$2$3";
 662       my($vname) = "$4";
 663       my($rest) = "$5";
 664       my($res) = $missing;
 665
 666       # Remember that this name is allowed.
 667       push @allow, $vname;
 668
 669       # Generate a program to test for availability of this function.
 670       open (TESTFILE, ">$fnamebase.c");
 671       print TESTFILE "$prepend";
 672       print TESTFILE "#include <$h>\n";
 673       # print TESTFILE "#undef $fname\n";
 674       print TESTFILE "typedef $type xyzzy$rest;\n";
 675       print TESTFILE "$xyzzy *foobarbaz = &$vname;\n";
 676       close (TESTFILE);
 677
 678       $res = compiletest ($fnamebase, "Test availability of variable $vname",
 679                           "Variable \"$vname\" is not available.", $res, 0);
 680
 681       # Generate a program to test for the type of this function.
 682       open (TESTFILE, ">$fnamebase.c");
 683       print TESTFILE "$prepend";
 684       print TESTFILE "#include <$h>\n";
 685       # print TESTFILE "#undef $fname\n";
 686       print TESTFILE "extern $type $vname$rest;\n";
 687       close (TESTFILE);
 688
 689       compiletest ($fnamebase, "Test for type of variable $fname",
 690                    "Variable \"$vname\" has incorrect type.", $res, 0);
 691     } elsif (/^macro-function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 692       my($rettype) = "$2$3";
 693       my($fname) = "$4";
 694       my($args) = "$5";
 695       my($res) = $missing;
 696
 697       # Remember that this name is allowed.
 698       push @allow, $fname;
 699
 700       # Generate a program to test for availability of this function.
 701       open (TESTFILE, ">$fnamebase.c");
 702       print TESTFILE "$prepend";
 703       print TESTFILE "#include <$h>\n";
 704       print TESTFILE "#ifndef $fname\n";
 705       print TESTFILE "$rettype (*foobarbaz) $args = $fname;\n";
 706       print TESTFILE "#endif\n";
 707       close (TESTFILE);
 708
 709       $res = compiletest ($fnamebase, "Test availability of macro $fname",
 710                           "Function \"$fname\" is not available.", $res, 0);
 711
 712       # Generate a program to test for the type of this function.
 713       open (TESTFILE, ">$fnamebase.c");
 714       print TESTFILE "$prepend";
 715       print TESTFILE "#include <$h>\n";
 716       print TESTFILE "#ifndef $fname\n";
 717       print TESTFILE "extern $rettype (*foobarbaz) $args;\n";
 718       print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
 719       print TESTFILE "#endif\n";
 720       close (TESTFILE);
 721
 722       compiletest ($fnamebase, "Test for type of macro $fname",
 723                    "Function \"$fname\" has incorrect type.", $res, 0);
 724     } elsif (/^macro-str *([^    ]*) *(\".*\")/) {
 725       # The above regex doesn't handle a \" in a string.
 726       my($macro) = "$1";
 727       my($string) = "$2";
 728       my($res) = $missing;
 729
 730       # Remember that this name is allowed.
 731       push @allow, $macro;
 732
 733       # Generate a program to test for availability of this macro.
 734       open (TESTFILE, ">$fnamebase.c");
 735       print TESTFILE "$prepend";
 736       print TESTFILE "#include <$h>\n";
 737       print TESTFILE "#ifndef $macro\n";
 738       print TESTFILE "# error \"Macro $macro not defined\"\n";
 739       print TESTFILE "#endif\n";
 740       close (TESTFILE);
 741
 742       compiletest ($fnamebase, "Test availability of macro $macro",
 743                    "Macro \"$macro\" is not available.", $missing, 0);
 744
 745       # Generate a program to test for the value of this macro.
 746       open (TESTFILE, ">$fnamebase.c");
 747       print TESTFILE "$prepend";
 748       print TESTFILE "#include <$h>\n";
 749       # We can't include <string.h> here.
 750       print TESTFILE "extern int (strcmp)(const char *, const char *);\n";
 751       print TESTFILE "int main (void) { return (strcmp) ($macro, $string) != 0;}\n";
 752       close (TESTFILE);
 753
 754       $res = runtest ($fnamebase, "Testing for value of macro $macro",
 755                       "Macro \"$macro\" has not the right value.", $res);
 756     } elsif (/^allow-header *(.*)/) {
 757       my($pattern) = $1;
 758       if ($seenheader{$pattern} != 1) {
 759         push @allowheader, $pattern;
 760         $seenheader{$pattern} = 1;
 761       }
 762       next control;
 763     } elsif (/^allow *(.*)/) {
 764       my($pattern) = $1;
 765       push @allow, $pattern;
 766       next control;
 767     } else {
 768       # printf ("line is `%s'\n", $_);
 769       next control;
 770     }
 771
 772     printf ("\n");
 773   }
 774   close (CONTROL);
 775
 776   # Read the data files for the header files which are allowed to be included.
 777   while ($#allowheader >= 0) {
 778     my($ah) = pop @allowheader;
 779
 780     open (ALLOW, "$CC -E -D$standard - < data/$ah-data |");
 781     acontrol: while (<ALLOW>) {
 782       chop;
 783       next acontrol if (/^#/);
 784       next acontrol if (/^[     ]*$/);
 785
 786       if (/^element *({([^}]*)}|([^ ]*)) *({([^}]*)}|([^ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
 787         push @allow, $7;
 788       } elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
 789         push @allow, $1;
 790       } elsif (/^(type|tag) *({([^}]*)|([a-zA-Z0-9_]*))/) {
 791         my($type) = "$3$4";
 792
 793         # Remember that this name is allowed.
 794         if ($type =~ /^struct *(.*)/) {
 795           push @allow, $1;
 796         } elsif ($type =~ /^union *(.*)/) {
 797           push @allow, $1;
 798         } else {
 799           push @allow, $type;
 800         }
 801       } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) [(][*]([a-zA-Z0-9_]*) ([(].*[)])/) {
 802         push @allow, $4;
 803       } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 804         push @allow, $4;
 805       } elsif (/^variable *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*)/) {
 806         push @allow, $4;
 807       } elsif (/^macro-function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(].*[)])/) {
 808         push @allow, $4;
 809       } elsif (/^symbol *([a-zA-Z0-9_]*) *([A-Za-z0-9_-]*)?/) {
 810         push @allow, $1;
 811       } elsif (/^allow-header *(.*)/) {
 812         if ($seenheader{$1} != 1) {
 813           push @allowheader, $1;
 814           $seenheader{$1} = 1;
 815         }
 816       } elsif (/^allow *(.*)/) {
 817         push @allow, $1;
 818       }
 819     }
 820     close (ALLOW);
 821   }
 822
 823   if ($test_exist) {
 824     printf ("  Not defined\n");
 825   } else {
 826     # Now check the namespace.
 827     printf ("  Checking the namespace of \"%s\"... ", $h);
 828     if ($missing) {
 829       ++$skipped;
 830       printf ("SKIP\n");
 831     } else {
 832       checknamespace ($h, $fnamebase, @allow);
 833     }
 834   }
 835
 836   printf ("\n\n");
 837 }
 838
 839 printf "-" x 76 . "\n";
 840 printf ("  Total number of tests   : %4d\n", $total);
 841
 842 printf ("  Number of failed tests  : %4d (", $errors);
 843 $percent = ($errors * 100) / $total;
 844 if ($errors > 0 && $percent < 1.0) {
 845   printf (" <1%%)\n");
 846 } else {
 847   printf ("%3d%%)\n", $percent);
 848 }
 849
 850 printf ("  Number of skipped tests : %4d (", $skipped);
 851 $percent = ($skipped * 100) / $total;
 852 if ($skipped > 0 && $percent < 1.0) {
 853   printf (" <1%%)\n");
 854 } else {
 855   printf ("%3d%%)\n", $percent);
 856 }
 857
 858 exit $errors != 0;
 859 # Local Variables:
 860 #  perl-indent-level: 2
 861 # End: