500a208fa3
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/perl#f36ef6bc94783b6bfd8b4017d7c2a7b66ef15460
88 lines
2.4 KiB
Diff
88 lines
2.4 KiB
Diff
From 89341f87f9fc65c4d7133e497bb04586e86b8052 Mon Sep 17 00:00:00 2001
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From: Tony Cook <tony@develop-help.com>
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Date: Tue, 12 May 2020 10:29:17 +1000
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Subject: [PATCH 1/2] make $fh->error report errors from both input and output
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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For character devices and sockets perl uses separate PerlIO objects
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for input and output so they can be buffered separately.
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The IO::Handle::error() method only checked the input stream, so
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if a write error occurs error() would still returned false.
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Change this so both the input and output streams are checked.
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fixes #6799
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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dist/IO/IO.xs | 12 ++++++++----
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dist/IO/t/io_xs.t | 19 ++++++++++++++++++-
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2 files changed, 26 insertions(+), 5 deletions(-)
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diff --git a/dist/IO/IO.xs b/dist/IO/IO.xs
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index 68b7352c38..99d523d2c1 100644
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--- a/dist/IO/IO.xs
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+++ b/dist/IO/IO.xs
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@@ -389,13 +389,17 @@ ungetc(handle, c)
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int
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ferror(handle)
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- InputStream handle
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+ SV * handle
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+ PREINIT:
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+ IO *io = sv_2io(handle);
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+ InputStream in = IoIFP(io);
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+ OutputStream out = IoOFP(io);
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CODE:
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- if (handle)
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+ if (in)
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#ifdef PerlIO
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- RETVAL = PerlIO_error(handle);
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+ RETVAL = PerlIO_error(in) || (in != out && PerlIO_error(out));
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#else
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- RETVAL = ferror(handle);
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+ RETVAL = ferror(in) || (in != out && ferror(out));
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#endif
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else {
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RETVAL = -1;
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diff --git a/dist/IO/t/io_xs.t b/dist/IO/t/io_xs.t
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index 1e3c49a4a7..f890e92558 100644
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--- a/dist/IO/t/io_xs.t
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+++ b/dist/IO/t/io_xs.t
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@@ -11,7 +11,7 @@ BEGIN {
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}
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}
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-use Test::More tests => 5;
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+use Test::More tests => 7;
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use IO::File;
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use IO::Seekable;
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@@ -50,3 +50,20 @@ SKIP:
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ok($fh->sync, "sync to a read only handle")
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or diag "sync(): ", $!;
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}
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+
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+
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+SKIP: {
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+ # gh 6799
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+ #
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+ # This isn't really a Linux/BSD specific test, but /dev/full is (I
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+ # hope) reasonably well defined on these. Patches welcome if your platform
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+ # also supports it (or something like it)
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+ skip "no /dev/full or not a /dev/full platform", 2
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+ unless $^O =~ /^(linux|netbsd|freebsd)$/ && -c "/dev/full";
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+ open my $fh, ">", "/dev/full"
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+ or skip "Could not open /dev/full: $!", 2;
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+ $fh->print("a" x 1024);
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+ ok(!$fh->flush, "should fail to flush");
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+ ok($fh->error, "stream should be in error");
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+ close $fh; # silently ignore the error
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+}
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--
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2.25.4
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