Re: [PATCH 1/2] tests: Trying fixes test-replication.c on msys2/mingw.

["Daniel P. Berrangé" <berrange@redhat.com>]

On Sun, Sep 06, 2020 at 08:13:19PM +0800, 罗勇刚(Yonggang Luo) wrote:
> On Sun, Sep 6, 2020 at 5:49 AM Stefan Weil <sw@weilnetz.de> wrote:
> 
> > Am 05.09.20 um 23:10 schrieb Yonggang Luo:
> >
> > > On Windows there is no path like /tmp/s_local_disk.XXXXXX
> > >
> > > Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
> > > ---
> > >  tests/test-replication.c | 13 +++++++++----
> > >  1 file changed, 9 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/tests/test-replication.c b/tests/test-replication.c
> > > index 9ab3666a90..3cf544a133 100644
> > > --- a/tests/test-replication.c
> > > +++ b/tests/test-replication.c
> > > @@ -23,14 +23,14 @@
> > >
> > >  /* primary */
> > >  #define P_ID "primary-id"
> > > -static char p_local_disk[] = "/tmp/p_local_disk.XXXXXX";
> > > +static char p_local_disk[PATH_MAX];
> > >
> > >  /* secondary */
> > >  #define S_ID "secondary-id"
> > >  #define S_LOCAL_DISK_ID "secondary-local-disk-id"
> > > -static char s_local_disk[] = "/tmp/s_local_disk.XXXXXX";
> > > -static char s_active_disk[] = "/tmp/s_active_disk.XXXXXX";
> > > -static char s_hidden_disk[] = "/tmp/s_hidden_disk.XXXXXX";
> > > +static char s_local_disk[PATH_MAX];
> > > +static char s_active_disk[PATH_MAX];
> > > +static char s_hidden_disk[PATH_MAX];
> > >
> > >  /* FIXME: steal from blockdev.c */
> > >  QemuOptsList qemu_drive_opts = {
> > > @@ -571,6 +571,11 @@ static void setup_sigabrt_handler(void)
> > >  int main(int argc, char **argv)
> > >  {
> > >      int ret;
> > > +    const char *tmpdir = g_get_tmp_dir();
> > > +    sprintf(p_local_disk, "%s/p_local_disk.XXXXXX", tmpdir);
> > > +    sprintf(s_local_disk, "%s/s_local_disk.XXXXXX", tmpdir);
> > > +    sprintf(s_active_disk, "%s/s_active_disk.XXXXXX", tmpdir);
> > > +    sprintf(s_hidden_disk, "%s/s_hidden_disk.XXXXXX", tmpdir);
> > >      qemu_init_main_loop(&error_fatal);
> > >      bdrv_init();
> > >
> >
> >
> > Maybe it is possible to use get_tmp_filename() (which could be
> > simplified by using g_get_tmp_dir).
> >
> What  does get_tmp_filename mean? I didn't understand
> 
> >
> > And please use snprintf instead of sprintf. I am afraid that a path can
> > be longer than PATH_MAX, even if the tmpdir path is normally rather short.
> >
>  OK, I'll use  snprintf
> 
> >
> > You could also allocate the different filenames dynamically instead of
> > limiting them to PATH_MAX characters.
> >
> as a test, it's too complicated,

I really isn't hard to replace sprintf() with g_strdup_printf() and
then g_free() at the end of the test.


Regards,
Daniel
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