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-rw-r--r--conform/conformtest.pl407
1 files changed, 407 insertions, 0 deletions
diff --git a/conform/conformtest.pl b/conform/conformtest.pl
new file mode 100644
index 0000000..fc6eb76
--- /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;
generated by cgit v1.1 at 2024-08-24 02:40:41 +0000