src/felib/feerror.cpp

   1 /*
   2  *
   3  *  Iter Vehemens ad Necem (IVAN)
   4  *  Copyright (C) Timo Kiviluoto
   5  *  Released under the GNU General
   6  *  Public License
   7  *
   8  *  See LICENSING which should be included
   9  *  along with this file for more details
  10  *
  11  */
  12 #include <cstdarg>
  13 #include <cstring>
  14 #include <cstdlib>
  15 #include <cstdio>
  16
  17 #include <iostream>
  18
  19 #include <new>
  20 #define set_new_handler  std::set_new_handler
  21
  22 #include "feerror.h"
  23 #include "fesave.h"
  24
  25
  26 /* Shouldn't be initialized here! */
  27 cchar *globalerrorhandler::BugMsg = "\n\nPlease don't send your bug reports, i cannot into coding!\n";
  28
  29 void (*globalerrorhandler::OldNewHandler) () = 0;
  30
  31
  32 void globalerrorhandler::Install () {
  33   static truth AlreadyInstalled = false;
  34   if (!AlreadyInstalled) {
  35     AlreadyInstalled = true;
  36     OldNewHandler = set_new_handler(NewHandler);
  37     atexit(globalerrorhandler::DeInstall);
  38   }
  39 }
  40
  41
  42 void globalerrorhandler::DeInstall () {
  43   set_new_handler(OldNewHandler);
  44 }
  45
  46
  47 void globalerrorhandler::Abort (cchar *Format, ...) {
  48   char Buffer[2048];
  49   char *bufptr = Buffer;
  50   int bufsz = (int)sizeof(Buffer)-1;
  51   //
  52   for (;;) {
  53     va_list ap;
  54     int n;
  55     char *np;
  56     //
  57     va_start(ap, Format);
  58     n = vsnprintf(bufptr, bufsz, Format, ap);
  59     va_end(ap);
  60     if (n > -1 && n < bufsz) break;
  61     if (n < -1) n = bufsz+4096;
  62     np = (char *)realloc((bufptr == Buffer ? NULL : bufptr), n+1);
  63     if (np == NULL) exit(4); //FIXME
  64   }
  65   //
  66   fprintf(stderr, "%s%s", bufptr, BugMsg);
  67   //
  68   {
  69     festring mydir = inputfile::GetMyDir();
  70     mydir << "/" << "crash.log";
  71     FILE *fo = fopen(mydir.CStr(), "a");
  72     //
  73     if (fo) {
  74       fprintf(fo, "============================================================\n%s\n", bufptr);
  75       fclose(fo);
  76     }
  77   }
  78   exit(4);
  79 }
  80
  81
  82 void globalerrorhandler::NewHandler () {
  83   const cchar *Msg = "Fatal Error: Memory depleted.\nGet more RAM and hard disk space.";
  84   std::cout << Msg << std::endl;
  85   exit(1);
  86 }