langviz/error.c

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Copyright (c) 2000-2014 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 #include "error.h"
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <stdarg.h>
  12
  13 unsigned verb_level=0x0007; /* default value */
  14
  15 const char *argv0; /* the programname :) */
  16
  17 void fatal_error(const char *filename, int lineno, const char *fmt, ...)
  18 {
  19   va_list parameters;
  20   fprintf(stderr, "FATAL ERROR: %s: In line %d of %s: ",
  21           argv0, lineno, filename);
  22   va_start(parameters, fmt);
  23   vfprintf(stderr, fmt, parameters);
  24   va_end(parameters);
  25   fprintf(stderr, "\n");
  26   fflush(stderr);
  27   abort();
  28 }
  29
  30 void ERROR(const char *fmt, ...)
  31 {
  32   fprintf(stderr, "%s: error: ", argv0);
  33   va_list parameters;
  34   va_start(parameters, fmt);
  35   vfprintf(stderr, fmt, parameters);
  36   va_end(parameters);
  37   fprintf(stderr, "\n");
  38   fflush(stderr);
  39 }
  40
  41 void WARNING(const char *fmt, ...)
  42 {
  43   if(!(verb_level & 2)) return;
  44   fprintf(stderr, "%s: warning: ", argv0);
  45   va_list parameters;
  46   va_start(parameters, fmt);
  47   vfprintf(stderr, fmt, parameters);
  48   va_end(parameters);
  49   fprintf(stderr, "\n");
  50   fflush(stderr);
  51 }
  52
  53 void NOTSUPP(const char *fmt, ...)
  54 {
  55   if(!(verb_level & 1)) return;
  56   fprintf(stderr, "%s: warning: not supported: ", argv0);
  57   va_list parameters;
  58   va_start(parameters, fmt);
  59   vfprintf(stderr, fmt, parameters);
  60   va_end(parameters);
  61   fprintf(stderr, "\n");
  62   fflush(stderr);
  63 }
  64
  65 void NOTIFY(const char *fmt, ...)
  66 {
  67   if(!(verb_level & 4)) return;
  68   fprintf(stderr, "Notify: ");
  69   va_list parameters;
  70   va_start(parameters, fmt);
  71   vfprintf(stderr, fmt, parameters);
  72   va_end(parameters);
  73   fprintf(stderr, "\n");
  74   fflush(stderr);
  75 }
  76
  77 void DEBUG(unsigned level, const char *fmt, ...)
  78 {
  79   if((level>7?7:level)>((verb_level>>3)&0x07)) return;
  80   fprintf(stderr, "%*sDebug: ", level, "");
  81   va_list parameters;
  82   va_start(parameters, fmt);
  83   vfprintf(stderr, fmt, parameters);
  84   va_end(parameters);
  85   fprintf(stderr, "\n");
  86   fflush(stderr);
  87 }