Add perldelta for POSIX memory leak fix

[perl5.git] / utils / h2ph.PL

diff --git a/utils/h2ph.PL b/utils/h2ph.PL
index a2d737b..d082f22 100644 (file)
--- a/utils/h2ph.PL
+++ b/utils/h2ph.PL
@@ -769,7 +769,7 @@ sub inc_dirs
 sub build_preamble_if_necessary
 {
     # Increment $VERSION every time this function is modified:
-    my $VERSION     = 3;
+    my $VERSION     = 4;
     my $preamble    = "$Dest_dir/_h2ph_pre.ph";
 
     # Can we skip building the preamble file?
@@ -788,6 +788,11 @@ sub build_preamble_if_necessary
 
     open  PREAMBLE, ">$preamble" or die "Cannot open $preamble:  $!";
        print PREAMBLE "# This file was created by h2ph version $VERSION\n";
+        # Prevent non-portable hex constants from warning.
+        #
+        # We still produce an overflow warning if we can't represent
+        # a hex constant as an integer.
+        print PREAMBLE "no warnings qw(portable);\n";
 
        foreach (sort keys %define) {
            if ($opt_D) {
@@ -814,6 +819,18 @@ DEFINE
                # integer:
                print PREAMBLE
                    "unless (defined &$_) { sub $_() { $1 } }\n\n";
+            } elsif ($define{$_} =~ /^([+-]?0x[\da-f]+)U?L{0,2}$/i) {
+                # hex integer
+                # Special cased, since perl warns on hex integers
+                # that can't be represented in a UV.
+                #
+                # This way we get the warning at time of use, so the user
+                # only gets the warning if they happen to use this
+                # platform-specific definition.
+                my $code = $1;
+                $code = "hex('$code')" if length $code > 10;
+                print PREAMBLE
+                    "unless (defined &$_) { sub $_() { $code } }\n\n";
            } elsif ($define{$_} =~ /^\w+$/) {
                my $def = $define{$_};
                if ($isatype{$def}) {
@@ -866,7 +883,8 @@ h2ph - convert .h C header files to .ph Perl header files
 
 =head1 SYNOPSIS
 
-B<h2ph [-d destination directory] [-r | -a] [-l] [headerfiles]>
+B<h2ph [-d destination directory] [-r | -a] [-l] [-h] [-e] [-D] [-Q]
+[headerfiles]>
 
 =head1 DESCRIPTION
 
@@ -932,6 +950,11 @@ you will see the slightly more helpful
 
 However, the B<.ph> files almost double in size when built using B<-h>.
 
+=item -e
+
+If an error is encountered during conversion, output file will be removed and
+a warning emitted instead of terminating the conversion immediately.
+
 =item -D
 
 Include the code from the B<.h> file as a comment in the B<.ph> file.