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[pkgsrc/pkgsrc-2017Q1]: pkgsrc/lang/perl5 Pullup ticket #5387 - requested by ...



details:   https://anonhg.NetBSD.org/pkgsrc/rev/89b721490098
branches:  pkgsrc-2017Q1
changeset: 360348:89b721490098
user:      bsiegert <bsiegert%pkgsrc.org@localhost>
date:      Mon May 01 09:48:24 2017 +0000

description:
Pullup ticket #5387 - requested by sevan
lang/perl5: bugfix

Revisions pulled up:
- lang/perl5/Makefile.common                                    1.29
- lang/perl5/distinfo                                           1.140
- lang/perl5/patches/patch-MANIFEST                             1.1
- lang/perl5/patches/patch-ext_File-Glob_bsd_glob.c             1.1
- lang/perl5/patches/patch-ext_File-Glob_t_rt131211.t           1.1

---
   Module Name:    pkgsrc
   Committed By:   sevan
   Date:           Fri Apr 28 22:59:48 UTC 2017

   Modified Files:
           pkgsrc/lang/perl5: Makefile.common distinfo
   Added Files:
           pkgsrc/lang/perl5/patches: patch-MANIFEST
               patch-ext_File-Glob_bsd_glob.c patch-ext_File-Glob_t_rt131211.t

   Log Message:
   Patch for issue raised in Russ Cox's "Glob Matching Can Be Simple And Fast Too" post.
   https://research.swtch.com/glob
   https://perl5.git.perl.org/perl.git/commit/33252c318625f3c6c89b816ee88481940e3e6f95

   Reviewed by: wiz

diffstat:

 lang/perl5/Makefile.common                          |    3 +-
 lang/perl5/distinfo                                 |    5 +-
 lang/perl5/patches/patch-MANIFEST                   |   16 +++
 lang/perl5/patches/patch-ext_File-Glob_bsd_glob.c   |   89 +++++++++++++++++
 lang/perl5/patches/patch-ext_File-Glob_t_rt131211.t |  103 ++++++++++++++++++++
 5 files changed, 214 insertions(+), 2 deletions(-)

diffs (260 lines):

diff -r f8527061e1c9 -r 89b721490098 lang/perl5/Makefile.common
--- a/lang/perl5/Makefile.common        Mon May 01 09:44:40 2017 +0000
+++ b/lang/perl5/Makefile.common        Mon May 01 09:48:24 2017 +0000
@@ -1,9 +1,10 @@
-# $NetBSD: Makefile.common,v 1.28 2017/01/27 09:39:40 adam Exp $
+# $NetBSD: Makefile.common,v 1.28.2.1 2017/05/01 09:48:24 bsiegert Exp $
 #
 # used by lang/perl5/Makefile
 # used by databases/p5-gdbm/Makefile
 
 DISTNAME=      perl-5.24.1
+PKGREVISION=   1
 CATEGORIES=    lang devel perl5
 MASTER_SITES=  ${MASTER_SITE_PERL_CPAN:S,/modules/by-module/$,/src/5.0/,}
 DISTFILES+=    ${DISTNAME}${EXTRACT_SUFX}
diff -r f8527061e1c9 -r 89b721490098 lang/perl5/distinfo
--- a/lang/perl5/distinfo       Mon May 01 09:44:40 2017 +0000
+++ b/lang/perl5/distinfo       Mon May 01 09:48:24 2017 +0000
@@ -1,10 +1,11 @@
-$NetBSD: distinfo,v 1.139 2017/01/27 09:39:40 adam Exp $
+$NetBSD: distinfo,v 1.139.2.1 2017/05/01 09:48:24 bsiegert Exp $
 
 SHA1 (perl-5.24.1.tar.bz2) = d43ac3d39686462f86eed35b3c298ace74f1ffa0
 RMD160 (perl-5.24.1.tar.bz2) = e824cb74998ebbbc3286fa353e64e75104d4c5b1
 SHA512 (perl-5.24.1.tar.bz2) = 5a6e5f5fcd65e7add7ba2126d530a8e2a912cb076cfe61bbf7e49b28e4e63aa0d474183a6f8a388c67d03ea6a44f367efb3b3a768e971ef52b769e737eeb048b
 Size (perl-5.24.1.tar.bz2) = 14088312 bytes
 SHA1 (patch-Configure) = 13455c1b32b0f602b339787af4ddcd481f9c2dd5
+SHA1 (patch-MANIFEST) = 7037a7a1881da3d2db03d4a5d6a61a7a6d3bc11b
 SHA1 (patch-Makefile.SH) = 32ffc30831b0af49f90119510021037b066367dc
 SHA1 (patch-aa) = 9bbcc9395080b11934528a32808e0a509f1d831c
 SHA1 (patch-ab) = c899b7221a78e74cc9b1480834baba047dd19f38
@@ -17,6 +18,8 @@
 SHA1 (patch-dist_Carp_lib_Carp.pm) = fb628ee983462cec9303ceea09852378ec654ecf
 SHA1 (patch-dist_Time-HiRes_HiRes.xs) = 067911a23881d48d2ad431076b3babeb585b83d7
 SHA1 (patch-ext_Errno_Errno__pm.PL) = 4f135e267da17de38f8f1e7e03d5209bfd09a323
+SHA1 (patch-ext_File-Glob_bsd_glob.c) = e43252b55f04bb1cd69d48e8155aa110532c9fbe
+SHA1 (patch-ext_File-Glob_t_rt131211.t) = 9aeddad078cdc920e64ed2e73f952be341745d7e
 SHA1 (patch-ext_XS-APItest_Makefile.PL) = 7094aa4cb021c1f29054a40c4f5f4c15c59f13de
 SHA1 (patch-hints_cygwin.sh) = 1b21d927d6b7379754c4cd64a2b05d3632c35470
 SHA1 (patch-hints_netbsd.sh) = 0d549a48800372d75fe34b783529a78cba90f646
diff -r f8527061e1c9 -r 89b721490098 lang/perl5/patches/patch-MANIFEST
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lang/perl5/patches/patch-MANIFEST Mon May 01 09:48:24 2017 +0000
@@ -0,0 +1,16 @@
+$NetBSD: patch-MANIFEST,v 1.1.2.2 2017/05/01 09:48:24 bsiegert Exp $
+
+[perl #131211] fixup File::Glob degenerate matching
+https://research.swtch.com/glob
+https://perl5.git.perl.org/perl.git/commit/33252c318625f3c6c89b816ee88481940e3e6f95
+
+--- MANIFEST.orig      2017-04-28 18:35:00.000000000 +0000
++++ MANIFEST
+@@ -3706,6 +3706,7 @@ ext/File-Glob/t/case.t           See if File::Glo
+ ext/File-Glob/t/global.t      See if File::Glob works
+ ext/File-Glob/TODO            File::Glob extension todo list
+ ext/File-Glob/t/rt114984.t    See if File::Glob works
++ext/File-Glob/t/rt131211.t    See if File::Glob works
+ ext/File-Glob/t/taint.t               See if File::Glob works
+ ext/File-Glob/t/threads.t     See if File::Glob + threads works
+ ext/GDBM_File/GDBM_File.pm    GDBM extension Perl module
diff -r f8527061e1c9 -r 89b721490098 lang/perl5/patches/patch-ext_File-Glob_bsd_glob.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lang/perl5/patches/patch-ext_File-Glob_bsd_glob.c Mon May 01 09:48:24 2017 +0000
@@ -0,0 +1,89 @@
+$NetBSD: patch-ext_File-Glob_bsd_glob.c,v 1.1.2.2 2017/05/01 09:48:24 bsiegert Exp $
+
+[perl #131211] fixup File::Glob degenerate matching
+https://research.swtch.com/glob
+https://perl5.git.perl.org/perl.git/commit/33252c318625f3c6c89b816ee88481940e3e6f95
+
+--- ext/File-Glob/bsd_glob.c.orig      2017-04-28 18:41:33.000000000 +0000
++++ ext/File-Glob/bsd_glob.c
+@@ -911,33 +911,43 @@ globextend(const Char *path, glob_t *pgl
+ /*
+  * pattern matching function for filenames.  Each occurrence of the *
+  * pattern causes a recursion level.
++ *
++ * Note, this function differs from the original as per the discussion
++ * here: https://research.swtch.com/glob
++ *
++ * Basically we removed the recursion and made it use the algorithm
++ * from Russ Cox to not go quadratic on cases like a file called ("a" x 100) . "x"
++ * matched against a pattern like "a*a*a*a*a*a*a*y".
++ *
+  */
+ static int
+ match(Char *name, Char *pat, Char *patend, int nocase)
+ {
+       int ok, negate_range;
+       Char c, k;
++      Char *nextp = NULL;
++      Char *nextn = NULL;
+ 
++    loop:
+       while (pat < patend) {
+               c = *pat++;
+               switch (c & M_MASK) {
+               case M_ALL:
+                       if (pat == patend)
+                               return(1);
+-                      do
+-                          if (match(name, pat, patend, nocase))
+-                                  return(1);
+-                      while (*name++ != BG_EOS)
+-                              ;
+-                      return(0);
++                      if (*name == BG_EOS)
++                              return 0;
++                      nextn = name + 1;
++                      nextp = pat - 1;
++                      break;
+               case M_ONE:
+                       if (*name++ == BG_EOS)
+-                              return(0);
++                              goto fail;
+                       break;
+               case M_SET:
+                       ok = 0;
+                       if ((k = *name++) == BG_EOS)
+-                              return(0);
++                              goto fail;
+                       if ((negate_range = ((*pat & M_MASK) == M_NOT)) != BG_EOS)
+                               ++pat;
+                       while (((c = *pat++) & M_MASK) != M_END)
+@@ -953,16 +963,25 @@ match(Char *name, Char *pat, Char *paten
+                               } else if (nocase ? (tolower(c) == tolower(k)) : (c == k))
+                                       ok = 1;
+                       if (ok == negate_range)
+-                              return(0);
++                              goto fail;
+                       break;
+               default:
+                       k = *name++;
+                       if (nocase ? (tolower(k) != tolower(c)) : (k != c))
+-                              return(0);
++                              goto fail;
+                       break;
+               }
+       }
+-      return(*name == BG_EOS);
++      if (*name == BG_EOS)
++              return 1;
++
++    fail:
++      if (nextn) {
++              pat = nextp;
++              name = nextn;
++              goto loop;
++      }
++      return 0;
+ }
+ 
+ /* Free allocated data belonging to a glob_t structure. */
diff -r f8527061e1c9 -r 89b721490098 lang/perl5/patches/patch-ext_File-Glob_t_rt131211.t
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lang/perl5/patches/patch-ext_File-Glob_t_rt131211.t       Mon May 01 09:48:24 2017 +0000
@@ -0,0 +1,103 @@
+$NetBSD: patch-ext_File-Glob_t_rt131211.t,v 1.1.2.2 2017/05/01 09:48:24 bsiegert Exp $
+
+[perl #131211] fixup File::Glob degenerate matching
+https://research.swtch.com/glob
+https://perl5.git.perl.org/perl.git/commit/33252c318625f3c6c89b816ee88481940e3e6f95
+
+--- ext/File-Glob/t/rt131211.t.orig    2017-04-28 18:37:15.000000000 +0000
++++ ext/File-Glob/t/rt131211.t
+@@ -0,0 +1,94 @@
++use strict;
++use warnings;
++use v5.16.0;
++use File::Temp 'tempdir';
++use File::Spec::Functions;
++use Test::More;
++use Time::HiRes qw(time);
++
++plan tests => 13;
++
++my $path = tempdir uc cleanup => 1;
++my @files= (
++    "x".("a" x 50)."b", # 0
++    "abbbbbbbbbbbbc",   # 1
++    "abbbbbbbbbbbbd",   # 2
++    "aaabaaaabaaaabc",  # 3
++    "pq",               # 4
++    "r",                # 5
++    "rttiiiiiii",       # 6
++    "wewewewewewe",     # 7
++    "weeeweeeweee",     # 8
++    "weewweewweew",     # 9
++    "wewewewewewewewewewewewewewewewewq", # 10
++    "wtttttttetttttttwr", # 11
++);
++
++
++foreach (@files) {
++    open(my $f, ">", catfile $path, $_);
++}
++
++my $elapsed_fail= 0;
++my $elapsed_match= 0;
++my @got_files;
++my @no_files;
++my $count = 0;
++
++while (++$count < 10) {
++    $elapsed_match -= time;
++    @got_files= glob catfile $path, "x".("a*" x $count) . "b";
++    $elapsed_match += time;
++
++    $elapsed_fail -= time;
++    @no_files= glob catfile $path, "x".("a*" x $count) . "c";
++    $elapsed_fail += time;
++    last if $elapsed_fail > $elapsed_match * 100;
++}
++
++is $count,10,
++    "tried all the patterns without bailing out";
++
++cmp_ok $elapsed_fail/$elapsed_match,"<",2,
++    "time to fail less than twice the time to match";
++is "@got_files", catfile($path, $files[0]),
++    "only got the expected file for xa*..b";
++is "@no_files", "", "shouldnt have files for xa*..c";
++
++
++@got_files= glob catfile $path, "a*b*b*b*bc";
++is "@got_files", catfile($path, $files[1]),
++    "only got the expected file for a*b*b*b*bc";
++
++@got_files= sort glob catfile $path, "a*b*b*bc";
++is "@got_files", catfile($path, $files[3])." ".catfile($path,$files[1]),
++    "got the expected two files for a*b*b*bc";
++
++@got_files= sort glob catfile $path, "p*";
++is "@got_files", catfile($path, $files[4]),
++    "p* matches pq";
++
++@got_files= sort glob catfile $path, "r*???????";
++is "@got_files", catfile($path, $files[6]),
++    "r*??????? works as expected";
++
++@got_files= sort glob catfile $path, "w*e*w??e";
++is "@got_files", join(" ", sort map { catfile($path, $files[$_]) } (7,8)),
++    "w*e*w??e works as expected";
++
++@got_files= sort glob catfile $path, "w*e*we??";
++is "@got_files", join(" ", sort map { catfile($path, $files[$_]) } (7,8,9,10)),
++    "w*e*we?? works as expected";
++
++@got_files= sort glob catfile $path, "w**e**w";
++is "@got_files", join(" ", sort map { catfile($path, $files[$_]) } (9)),
++    "w**e**w works as expected";
++
++@got_files= sort glob catfile $path, "*wee*";
++is "@got_files", join(" ", sort map { catfile($path, $files[$_]) } (8,9)),
++    "*wee* works as expected";
++
++@got_files= sort glob catfile $path, "we*";
++is "@got_files", join(" ", sort map { catfile($path, $files[$_]) } (7,8,9,10)),
++    "we* works as expected";
++



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