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From fc5f3468dcbee38eb202cfd552a5b8dbff990c7b 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 10:59:08 +1000
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Subject: [PATCH 2/2] IO::Handle: clear the error on both input and output
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streams
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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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Similarly to GH #6799 clearerr() only cleared the error status
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of the input stream, so clear both.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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dist/IO/IO.xs | 14 +++++++++++---
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dist/IO/t/io_xs.t | 8 +++++---
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2 files changed, 16 insertions(+), 6 deletions(-)
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diff --git a/dist/IO/IO.xs b/dist/IO/IO.xs
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index 99d523d2c1..9158106416 100644
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--- a/dist/IO/IO.xs
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+++ b/dist/IO/IO.xs
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@@ -410,13 +410,21 @@ ferror(handle)
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int
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clearerr(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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#ifdef PerlIO
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- PerlIO_clearerr(handle);
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+ PerlIO_clearerr(in);
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+ if (in != out)
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+ PerlIO_clearerr(out);
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#else
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- clearerr(handle);
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+ clearerr(in);
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+ if (in != out)
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+ clearerr(out);
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#endif
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RETVAL = 0;
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}
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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 f890e92558..a8833b0651 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 => 7;
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+use Test::More tests => 8;
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use IO::File;
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use IO::Seekable;
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@@ -58,12 +58,14 @@ SKIP: {
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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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+ skip "no /dev/full or not a /dev/full platform", 3
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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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+ or skip "Could not open /dev/full: $!", 3;
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$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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+ $fh->clearerr;
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+ ok(!$fh->error, "check clearerr removed the 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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