Update.

1999-08-24  Ulrich Drepper  <drepper@cygnus.com>

	* conform/Makefile: New file.
	* conform/conformtest.pl: New file.
	* conform/data/aio.h-data: New file.
	* conform/data/assert.h-data: New file.
	* conform/data/cpio.h-data: New file.
	* conform/data/ctype.h-data: New file.
	* conform/data/dirent.h-data: New file.
	* conform/data/dlfcn.h-data: New file.
	* conform/data/errno.h-data: New file.
	* conform/data/fcntl.h-data: New file.
	* conform/data/float.h-data: New file.
	* conform/data/fmtmsg.h-data: New file.
	* conform/data/fnmatch.h-data: New file.
	* conform/data/ftw.h-data: New file.
	* conform/data/glob.h-data: New file.
	* conform/data/grp.h-data: New file.
	* conform/data/iconv.h-data: New file.
	* conform/data/inttypes.h-data: New file.
	* conform/data/iso646.h-data: New file.
	* conform/data/langinfo.h-data: New file.
	* conform/data/libgen.h-data: New file.
	* conform/data/locale.h-data: New file.
	* conform/data/math.h-data: New file.

1 files changed, 407 insertions, 0 deletions

diff --git a/conform/conformtest.pl b/conform/conformtest.pl
new file mode 100644
index 0000000000..fc6eb761cf
--- /dev/null
+++ b/conform/conformtest.pl
@@ -0,0 +1,407 @@
+#! /usr/bin/perl
+
+$CC = "gcc";
+$CFLAGS = "-I. -D_XOPEN_SOURCE=500";
+
+# List of the headers we are testing.
+@headers = ("fmtmsg.h", "float.h", "fcntl.h", "errno.h", "dlfcn.h", "dirent.h",
+	    "ctype.h", "cpio.h", "assert.h", "aio.h");
+
+# These are the ISO C9x keywords.
+@keywords = ('auto', 'break', 'case', 'char', 'const', 'continue', 'default',
+	     'do', 'double', 'else', 'enum', 'extern', 'float', 'for', 'goto',
+	     'if', 'inline', 'int', 'long', 'register', 'restrict', 'return',
+	     'short', 'signed', 'sizeof', 'static', 'struct', 'switch',
+	     'typedef', 'union', 'unsigned', 'void', 'volatile', 'while');
+
+# Make an hash table from this information.
+while ($#keywords) {
+  $iskeyword{pop (@keywords)} = 1;
+}
+
+$tmpdir = "/tmp";
+
+$verbose = 1;
+
+$total = 0;
+$skipped = 0;
+$errors = 0;
+
+#$dialect = "ISO";
+#$dialect = "POSIX";
+#$dialect = "XPG3";
+#$dialect = "XPG4";
+$dialect = "UNIX98";
+
+
+sub poorfnmatch {
+  my($pattern, $string) = @_;
+  my($strlen) = length ($string);
+  my($res);
+
+  if (substr ($pattern, 0, 1) eq '*') {
+    my($patlen) = length ($pattern) - 1;
+    $res = ($strlen >= $patlen
+	    && substr ($pattern, -$patlen, $patlen) eq substr ($string, -$patlen, $patlen));
+  } elsif (substr ($pattern, -1, 1) eq '*') {
+    my($patlen) = length ($pattern) - 1;
+    $res = ($strlen >= $patlen
+	    && substr ($pattern, 0, $patlen) eq substr ($string, 0, $patlen));
+  } else {
+    $res = $pattern eq $string;
+  }
+  return $res;
+}
+
+
+sub compiletest
+{
+  my($fnamebase, $msg, $errmsg, $skip) = @_;
+  my($result) = $skip;
+  my($printlog) = 0;
+
+  ++$total;
+  printf ("  $msg...");
+
+  if ($skip != 0) {
+    ++$skipped;
+    printf (" SKIP\n");
+  } else {
+    $ret = system "$CC $CFLAGS -c $fnamebase.c -o $fnamebase.o > $fnamebase.out 2>&1";
+    if ($ret != 0) {
+      printf (" FAIL\n");
+      if ($verbose != 0) {
+	printf ("    $errmsg  Compiler message:\n");
+	$printlog = 1;
+      }
+      ++$errors;
+      $result = 1;
+    } else {
+      printf (" OK\n");
+      if ($verbose > 1 && -s "$fnamebase.out") {
+	# We print all warnings issued.
+	$printlog = 1;
+      }
+    }
+    if ($printlog != 0) {
+      printf ("    " . "-" x 71 . "\n");
+      open (MESSAGE, "< $fnamebase.out");
+      while (<MESSAGE>) {
+	printf ("    %s", $_);
+      }
+      close (MESSAGE);
+      printf ("    " . "-" x 71 . "\n");
+    }
+  }
+  unlink "$fnamebase.c";
+  unlink "$fnamebase.o";
+  unlink "$fnamebase.out";
+
+  $result;
+}
+
+
+sub runtest
+{
+  my($fnamebase, $msg, $errmsg, $skip) = @_;
+  my($result) = $skip;
+  my($printlog) = 0;
+
+  ++$total;
+  printf ("  $msg...");
+
+  if ($skip != 0) {
+    ++$skipped;
+    printf (" SKIP\n");
+  } else {
+    $ret = system "$CC $CFLAGS -o $fnamebase $fnamebase.c > $fnamebase.out 2>&1";
+    if ($ret != 0) {
+      printf (" FAIL\n");
+      if ($verbose != 0) {
+	printf ("    $errmsg  Compiler message:\n");
+	$printlog = 1;
+      }
+      ++$errors;
+      $result = 1;
+    } else {
+      # Now run the program.  If the exit code is not zero something is wrong.
+      $result = system "$fnamebase > $fnamebase.out2 2>&1";
+      if ($result == 0) {
+	printf (" OK\n");
+	if ($verbose > 1 && -s "$fnamebase.out") {
+	  # We print all warnings issued.
+	  $printlog = 1;
+	  system "cat $fnamebase.out2 >> $fnamebase.out";
+	}
+      } else {
+	printf (" FAIL\n");
+	$printlog = 1;
+	unlink "$fnamebase.out";
+	rename "$fnamebase.out2", "$fnamebase.out";
+      }
+    }
+    if ($printlog != 0) {
+      printf ("    " . "-" x 71 . "\n");
+      open (MESSAGE, "< $fnamebase.out");
+      while (<MESSAGE>) {
+	printf ("    %s", $_);
+      }
+      close (MESSAGE);
+      printf ("    " . "-" x 71 . "\n");
+    }
+  }
+  unlink "$fnamebase";
+  unlink "$fnamebase.c";
+  unlink "$fnamebase.o";
+  unlink "$fnamebase.out";
+  unlink "$fnamebase.out2";
+
+  $result;
+}
+
+
+sub newtoken {
+  my($token, $nerrors, @allow) = @_;
+  my($idx);
+
+  for ($idx = 0; $idx <= $#allow; ++$idx) {
+    if ($token =~ /^[0-9_]/ || $iskeyword{$token} || poorfnmatch ($allow[$idx], $token)) {
+      return $nerrors;
+    }
+  }
+
+  ++$nerrors;
+  if ($nerrors == 1) {
+    printf ("FAIL\n    " . "-" x 72 . "\n");
+  }
+  printf ("    Namespace violation: \"%s\"\n", $token);
+  return $nerrors;
+}
+
+
+sub checknamespace {
+  my($h, $fnamebase, @allow) = @_;
+  my($nerrors) = 0;
+
+  ++$total;
+
+  # Generate a program to get the contents of this header.
+  open (TESTFILE, ">$fnamebase.c");
+  print TESTFILE "#include <$h>\n";
+  close (TESTFILE);
+
+  open (CONTENT, "$CC $CFLAGS -E $fnamebase.c -Wp,-dN | sed -e '/^# [1-9]/d' -e '/^[[:space:]]*\$/d' |");
+  while (<CONTENT>) {
+    chop;
+    if (/^#define (.*)/) {
+      $nerrors = newtoken ($1, $nerrors, @allow);
+    } else {
+      # We have to tokenize the line.
+      my($str) = $_;
+      my($index) = 0;
+      my($len) = length ($str);
+
+      foreach $token (split(/[^a-zA-Z0-9_]/, $str)) {
+	if ($token ne "") {
+	  $nerrors = newtoken ($token, $nerrors, @allow);
+	}
+      }
+    }
+  }
+  close (CONTENT);
+  unlink "$fnamebase.c";
+  if ($nerrors != 0) {
+    printf ("    " . "-" x 72 . "\n");
+    ++$errors;
+  } else {
+    printf ("OK\n");
+  }
+}
+
+
+while ($#headers >= 0) {
+  my($h) = pop (@headers);
+  my($fnamebase) = "$tmpdir/$h-test";
+  my($missing);
+  my(@allow) = ();
+
+  printf ("Testing <$h>\n");
+  printf ("----------" . "-" x length ($h) . "\n");
+
+  # Generate a program to test for the availability of this header.
+  open (TESTFILE, ">$fnamebase.c");
+  print TESTFILE "#include <$h>\n";
+  close (TESTFILE);
+
+  $missing = compiletest ($fnamebase, "Checking whether <$h> is available",
+			  "Header <$h> not available", 0);
+
+  printf ("\n");
+
+  open (CONTROL, "$CC -E -D$dialect - < data/$h-data |");
+  control: while (<CONTROL>) {
+    chop;
+    next control if (/^#/);
+    next control if (/^[ 	]*$/);
+
+    if (/^element *({([^}]*)}|([^ ]*)) *({([^}]*)}|([^ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
+      my($struct) = "$2$3";
+      my($type) = "$5$6";
+      my($member) = "$7";
+      my($rest) = "$8";
+      my($res) = $missing;
+
+      # Remember that this name is allowed.
+      push @allow, $member;
+
+      # Generate a program to test for the availability of this member.
+      open (TESTFILE, ">$fnamebase.c");
+      print TESTFILE "#include <$h>\n";
+      print TESTFILE "$struct a;\n";
+      print TESTFILE "$struct b;\n";
+      print TESTFILE "extern void xyzzy (__typeof__ (&b.$member), __typeof__ (&a.$member), unsigned);\n";
+      print TESTFILE "void foobarbaz (void) {\n";
+      print TESTFILE "  xyzzy (&a.$member, &b.$member, sizeof (a.$member));\n";
+      print TESTFILE "}\n";
+      close (TESTFILE);
+
+      $res = compiletest ($fnamebase, "Testing for member $member",
+			  "Member \"$member\" not available.", $res);
+
+
+      # Test the types of the members.
+      open (TESTFILE, ">$fnamebase.c");
+      print TESTFILE "#include <$h>\n";
+      print TESTFILE "$struct a;\n";
+      print TESTFILE "extern $type b$rest;\n";
+      print TESTFILE "extern __typeof__ (a.$member) b;\n";
+      close (TESTFILE);
+
+      compiletest ($fnamebase, "Testing for type of member $member",
+		   "Member \"$member\" does not have the correct type.", $res);
+    } elsif (/^constant *([a-zA-Z0-9_]*) *([A-Za-z0-9_]*)?/) {
+      my($const) = $1;
+      my($value) = $2;
+      my($res) = $missing;
+
+      # Remember that this name is allowed.
+      push @allow, $const;
+
+      # Generate a program to test for the availability of this constant.
+      open (TESTFILE, ">$fnamebase.c");
+      print TESTFILE "#include <$h>\n";
+      print TESTFILE "__typeof__ ($const) a = $const;\n";
+      close (TESTFILE);
+
+      $res = compiletest ($fnamebase, "Testing for constant $const",
+			  "Constant \"$const\" not available.", $res);
+
+      if ($value ne "") {
+	# Generate a program to test for the value of this constant.
+	open (TESTFILE, ">$fnamebase.c");
+	print TESTFILE "#include <$h>\n";
+	print TESTFILE "int main (void) { return $const != $value; }\n";
+	close (TESTFILE);
+
+	$res = runtest ($fnamebase, "Testing for value of constant $const",
+			"Constant \"$const\" has not the right value.", $res);
+      }
+    } elsif (/^type *({([^}]*)|([a-zA-Z0-9_]*))/) {
+      my($type) = "$2$3";
+
+      # Remember that this name is allowed.
+      if ($type =~ /^struct *(.*)/) {
+	push @allow, $1;
+      } elsif ($type =~ /^union *(.*)/) {
+	push @allow, $1;
+      } else {
+	push @allow, $type;
+      }
+
+      # Remember that this name is allowed.
+      push @allow, $type;
+
+      # Generate a program to test for the availability of this constant.
+      open (TESTFILE, ">$fnamebase.c");
+      print TESTFILE "#include <$h>\n";
+      print TESTFILE "$type *a;\n";
+      close (TESTFILE);
+
+      compiletest ($fnamebase, "Testing for type $type",
+		   "Type \"$type\" not available.", $missing);
+    } elsif (/^function *({([^}]*)}|([a-zA-Z0-9_]*)) ([a-zA-Z0-9_]*) ([(][^)]*[)])/) {
+      my($rettype) = "$2$3";
+      my($fname) = "$4";
+      my($args) = "$5";
+      my($res) = $missing;
+
+      # Remember that this name is allowed.
+      push @allow, $fname;
+
+      # Generate a program to test for availability of this function.
+      open (TESTFILE, ">$fnamebase.c");
+      print TESTFILE "#include <$h>\n";
+      print TESTFILE "#undef $fname\n";
+      print TESTFILE "$rettype (*foobarbaz) $args = $fname;\n";
+      close (TESTFILE);
+
+      $res = compiletest ($fnamebase, "Test availability of function $fname",
+			  "Function \"$fname\" is not available.", $res);
+
+      # Generate a program to test for the type of this function.
+      open (TESTFILE, ">$fnamebase.c");
+      print TESTFILE "#include <$h>\n";
+      print TESTFILE "#undef $fname\n";
+      print TESTFILE "extern $rettype (*foobarbaz) $args;\n";
+      print TESTFILE "extern __typeof__ (&$fname) foobarbaz;\n";
+      close (TESTFILE);
+
+      compiletest ($fnamebase, "Test for type of function $fname",
+		   "Function \"$fname\" has incorrect type.", $res);
+    } elsif (/^macro *([^ 	]*)/) {
+      my($macro) = "$1";
+
+      # Remember that this name is allowed.
+      push @allow, $macro;
+
+      # Generate a program to test for availability of this macro.
+      open (TESTFILE, ">$fnamebase.c");
+      print TESTFILE "#include <$h>\n";
+      print TESTFILE "#ifndef $macro\n";
+      print TESTFILE "# error \"Macro $macro not defined\"\n";
+      print TESTFILE "#endif\n";
+      close (TESTFILE);
+
+      compiletest ($fnamebase, "Test availability of macro $macro",
+		   "Macro \"$macro\" is not available.", $missing);
+    } elsif (/^allow *(.*)/) {
+      my($pattern) = $1;
+      push @allow, $pattern;
+      next control;
+    } else {
+      # printf ("line is `%s'\n", $_);
+      next control;
+    }
+
+    printf ("\n");
+  }
+  close (CONTROL);
+
+  # Now check the namespace.
+  printf ("  Checking the namespace of \"%s\"... ", $h);
+  if ($missing) {
+    ++$skipped;
+    printf ("SKIP\n");
+  } else {
+    checknamespace ($h, $fnamebase, @allow);
+  }
+
+  printf ("\n\n");
+}
+
+printf "-" x 76 . "\n";
+printf ("  Total number of tests  : %4d\n", $total);
+printf ("  Number of failed tests : %4d (%3d%%)\n", $errors, ($errors * 100) / $total);
+printf ("  Number of skipped tests: %4d (%3d%%)\n", $skipped, ($skipped * 100) / $total);
+
+exit $errors != 0;