util/qemu-print.c

   1 /*
   2  * Print to stream or current monitor
   3  *
   4  * Copyright (C) 2019 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Markus Armbruster <armbru@redhat.com>,
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #include "qemu/osdep.h"
  14 #include "monitor/monitor.h"
  15 #include "qemu/qemu-print.h"
  16
  17 /*
  18  * Print like vprintf().
  19  * Print to current monitor if we have one, else to stdout.
  20  */
  21 int qemu_vprintf(const char *fmt, va_list ap)
  22 {
  23     Monitor *cur_mon = monitor_cur();
  24     if (cur_mon) {
  25         return monitor_vprintf(cur_mon, fmt, ap);
  26     }
  27     return vprintf(fmt, ap);
  28 }
  29
  30 /*
  31  * Print like printf().
  32  * Print to current monitor if we have one, else to stdout.
  33  */
  34 int qemu_printf(const char *fmt, ...)
  35 {
  36     va_list ap;
  37     int ret;
  38
  39     va_start(ap, fmt);
  40     ret = qemu_vprintf(fmt, ap);
  41     va_end(ap);
  42     return ret;
  43 }
  44
  45 /*
  46  * Print like vfprintf()
  47  * Print to @stream if non-null, else to current monitor.
  48  */
  49 int qemu_vfprintf(FILE *stream, const char *fmt, va_list ap)
  50 {
  51     if (!stream) {
  52         return monitor_vprintf(monitor_cur(), fmt, ap);
  53     }
  54     return vfprintf(stream, fmt, ap);
  55 }
  56
  57 /*
  58  * Print like fprintf().
  59  * Print to @stream if non-null, else to current monitor.
  60  */
  61 int qemu_fprintf(FILE *stream, const char *fmt, ...)
  62 {
  63     va_list ap;
  64     int ret;
  65
  66     va_start(ap, fmt);
  67     ret = qemu_vfprintf(stream, fmt, ap);
  68     va_end(ap);
  69     return ret;
  70 }