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Re: [PATCH 2/5] bios-tables-test: fix up DIFF generation
From: |
Michael S. Tsirkin |
Subject: |
Re: [PATCH 2/5] bios-tables-test: fix up DIFF generation |
Date: |
Wed, 22 Jan 2020 04:13:18 -0500 |
On Wed, Jan 22, 2020 at 10:00:01AM +0100, Laurent Vivier wrote:
> On 22/01/2020 09:05, Michael S. Tsirkin wrote:
> > Turns out it goes to stdout which is suppressed even with V=1.
> > Force DIFF output to stderr to make it visible.
> >
> > Signed-off-by: Michael S. Tsirkin <address@hidden>
> > ---
> > tests/qtest/bios-tables-test.c | 7 ++++++-
> > 1 file changed, 6 insertions(+), 1 deletion(-)
> >
> > diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c
> > index 6b5f24bf62..c8db2839b2 100644
> > --- a/tests/qtest/bios-tables-test.c
> > +++ b/tests/qtest/bios-tables-test.c
> > @@ -463,13 +463,18 @@ static void test_acpi_asl(test_data *data)
> > "Actual [asl:%s, aml:%s], Expected [asl:%s,
> > aml:%s].\n",
> > exp_sdt->aml, sdt->asl_file, sdt->aml_file,
> > exp_sdt->asl_file, exp_sdt->aml_file);
> > + fflush(stderr);
> > if (getenv("V")) {
> > const char *diff_cmd = getenv("DIFF");
> > if (diff_cmd) {
> > - int ret G_GNUC_UNUSED;
> > char *diff = g_strdup_printf("%s %s %s", diff_cmd,
> > exp_sdt->asl_file, sdt->asl_file);
> > + int out = dup(STDOUT_FILENO);
> > + int ret G_GNUC_UNUSED;
> > +
> > + dup2(STDERR_FILENO, STDOUT_FILENO);
> > ret = system(diff) ;
> > + dup2(out, STDOUT_FILENO);
>
> I think you need a "close(out)" here.
>
> Thanks,
> Laurent
Can't hurt, thanks!
- [PATCH 0/5] bios-tables-test: more documentation, Michael S. Tsirkin, 2020/01/22
- [PATCH 1/5] bios-tables-test: tell people how to update, Michael S. Tsirkin, 2020/01/22
- [PATCH 2/5] bios-tables-test: fix up DIFF generation, Michael S. Tsirkin, 2020/01/22
- [PATCH 3/5] bios-tables-test: default diff command, Michael S. Tsirkin, 2020/01/22
- [PATCH 4/5] bios-tables-test: fix path to allowed diff, Michael S. Tsirkin, 2020/01/22
- [PATCH 5/5] rebuild-expected-aml.sh: remind about the process, Michael S. Tsirkin, 2020/01/22