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qemu-print: New qemu_printf(), qemu_vprintf() etc.

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We commonly want to print to the current monitor if we have one, else
to stdout/stderr.  For stderr, have error_printf().  For stdout, all
we have is monitor_vfprintf(), which is rather unwieldy.  We often
print to stderr just because error_printf() is easier.

New qemu_printf() and qemu_vprintf() do exactly what's needed.  The
next commits will put them to use.

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190417190641.26814-12-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2019-04-17 21:06:37 +02:00
parent 679cb8e1a1
commit 637de4dba2
6 changed files with 70 additions and 0 deletions
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1
tests/test-util-sockets.c
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@ -70,6 +70,7 @@ int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
* otherwise we get duplicate syms at link time.
*/
__thread Monitor *cur_mon;
int monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) { abort(); }
void monitor_init(Chardev *chr, int flags) {}