langviz/error.c

   1 /******************************************************************************
   2  * Copyright (c) 2000-2016 Ericsson Telecom AB
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *   Balasko, Jeno
  10  *   Forstner, Matyas
  11  *
  12  ******************************************************************************/
  13 #include "error.h"
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <stdarg.h>
  17
  18 unsigned verb_level=0x0007; /* default value */
  19
  20 const char *argv0; /* the programname :) */
  21
  22 void fatal_error(const char *filename, int lineno, const char *fmt, ...)
  23 {
  24   va_list parameters;
  25   fprintf(stderr, "FATAL ERROR: %s: In line %d of %s: ",
  26           argv0, lineno, filename);
  27   va_start(parameters, fmt);
  28   vfprintf(stderr, fmt, parameters);
  29   va_end(parameters);
  30   fprintf(stderr, "\n");
  31   fflush(stderr);
  32   abort();
  33 }
  34
  35 void ERROR(const char *fmt, ...)
  36 {
  37   fprintf(stderr, "%s: error: ", argv0);
  38   va_list parameters;
  39   va_start(parameters, fmt);
  40   vfprintf(stderr, fmt, parameters);
  41   va_end(parameters);
  42   fprintf(stderr, "\n");
  43   fflush(stderr);
  44 }
  45
  46 void WARNING(const char *fmt, ...)
  47 {
  48   if(!(verb_level & 2)) return;
  49   fprintf(stderr, "%s: warning: ", argv0);
  50   va_list parameters;
  51   va_start(parameters, fmt);
  52   vfprintf(stderr, fmt, parameters);
  53   va_end(parameters);
  54   fprintf(stderr, "\n");
  55   fflush(stderr);
  56 }
  57
  58 void NOTSUPP(const char *fmt, ...)
  59 {
  60   if(!(verb_level & 1)) return;
  61   fprintf(stderr, "%s: warning: not supported: ", argv0);
  62   va_list parameters;
  63   va_start(parameters, fmt);
  64   vfprintf(stderr, fmt, parameters);
  65   va_end(parameters);
  66   fprintf(stderr, "\n");
  67   fflush(stderr);
  68 }
  69
  70 void NOTIFY(const char *fmt, ...)
  71 {
  72   if(!(verb_level & 4)) return;
  73   fprintf(stderr, "Notify: ");
  74   va_list parameters;
  75   va_start(parameters, fmt);
  76   vfprintf(stderr, fmt, parameters);
  77   va_end(parameters);
  78   fprintf(stderr, "\n");
  79   fflush(stderr);
  80 }
  81
  82 void DEBUG(unsigned level, const char *fmt, ...)
  83 {
  84   if((level>7?7:level)>((verb_level>>3)&0x07)) return;
  85   fprintf(stderr, "%*sDebug: ", level, "");
  86   va_list parameters;
  87   va_start(parameters, fmt);
  88   vfprintf(stderr, fmt, parameters);
  89   va_end(parameters);
  90   fprintf(stderr, "\n");
  91   fflush(stderr);
  92 }