qemu-error.c

   1 /*
   2  * Error reporting
   3  *
   4  * Copyright (C) 2010 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 <stdio.h>
  14 #include "monitor.h"
  15 #include "sysemu.h"
  16
  17 /*
  18  * Print to current monitor if we have one, else to stderr.
  19  * TODO should return int, so callers can calculate width, but that
  20  * requires surgery to monitor_vprintf().  Left for another day.
  21  */
  22 void error_vprintf(const char *fmt, va_list ap)
  23 {
  24     if (cur_mon) {
  25         monitor_vprintf(cur_mon, fmt, ap);
  26     } else {
  27         vfprintf(stderr, fmt, ap);
  28     }
  29 }
  30
  31 /*
  32  * Print to current monitor if we have one, else to stderr.
  33  * TODO just like error_vprintf()
  34  */
  35 void error_printf(const char *fmt, ...)
  36 {
  37     va_list ap;
  38
  39     va_start(ap, fmt);
  40     error_vprintf(fmt, ap);
  41     va_end(ap);
  42 }
  43
  44 void qemu_error(const char *fmt, ...)
  45 {
  46     va_list ap;
  47
  48     va_start(ap, fmt);
  49     error_vprintf(fmt, ap);
  50     va_end(ap);
  51 }
  52
  53 void qemu_error_internal(const char *file, int linenr, const char *func,
  54                          const char *fmt, ...)
  55 {
  56     va_list va;
  57     QError *qerror;
  58
  59     va_start(va, fmt);
  60     qerror = qerror_from_info(file, linenr, func, fmt, &va);
  61     va_end(va);
  62
  63     if (cur_mon) {
  64         monitor_set_error(cur_mon, qerror);
  65     } else {
  66         qerror_print(qerror);
  67         QDECREF(qerror);
  68     }
  69 }