gdb/debugify.c

   1
   2 /* Debug macros for developemnt.
   3    Copyright 1997
   4    Free Software Foundation, Inc.
   5
   6 This file is part of GDB.
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  21
  22 #include <stdio.h>
  23 #ifdef HAVE_STDLIB_H
  24 #include <stdlib.h>
  25 #endif
  26 #ifdef HAVE_STRING_H
  27 #include <string.h>
  28 #else
  29 #include <strings.h>
  30 #endif
  31 #ifdef ANSI_PROTOTYPES
  32 #include <stdarg.h>
  33 #else
  34 #include <varargs.h>
  35 #endif
  36
  37
  38 #define DEBUGIFY
  39 #include "debugify.h"
  40
  41 #define REDIRECT
  42
  43 static FILE *fout = NULL;
  44 static char fname[128];
  45 static int file_cnt = 0;        /* count number of open files */
  46
  47 void
  48 puts_dbg (const char *data)
  49 {
  50   FILE *fdbg;
  51
  52   fdbg = fopen ("dbg.log", "a+");
  53   if (fdbg == NULL)
  54     return;
  55   fprintf (fdbg, data);
  56   fclose (fdbg);
  57 }
  58
  59 /* Can't easily get the message back to gdb... write to a log instead. */
  60 void
  61 fputs_dbg (const char *data, FILE * fakestream)
  62 {
  63 #ifdef REDIRECT
  64   puts_dbg (data);
  65 #else /* REDIRECT */
  66
  67   if (fakestream == stdout || fakestream == stderr || fakestream == NULL)
  68     {
  69       if (fout == NULL)
  70         {
  71           for (file_cnt = 0; file_cnt < 20; file_cnt++)
  72             {
  73               sprintf (fname, "dbg%d.log", file_cnt);
  74               if ((fout = fopen (fname), "r") != NULL)
  75                 fclose (fout);
  76               else
  77                 break;
  78             }
  79           fout = fopen (fname, "w");
  80           if (fout == NULL)
  81             return;
  82         }
  83       fakestream = fout;
  84     }
  85   fprintf (fakestream, data);
  86   fflush (fakestream);
  87 #endif /* REDIRECT */
  88 }
  89
  90 void
  91 printf_dbg (const char *format,...)
  92 {
  93   va_list args;
  94   char buf[256];
  95   va_start (args, format);
  96   vsprintf (buf, format, args);
  97   puts_dbg (buf);
  98   va_end (args);
  99 }