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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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19
include/qemu/qemu-print.h Normal file
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/*
* Print to stream or current monitor
*
* Copyright (C) 2019 Red Hat Inc.
*
* Authors:
* Markus Armbruster <armbru@redhat.com>,
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef QEMU_PRINT_H
#define QEMU_PRINT_H
int qemu_vprintf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
int qemu_printf(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
#endif