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 #define DEBUGIFY
  23 #include "debugify.h"
  24 #include "config.h"
  25
  26 #include <stdio.h>
  27 #ifdef HAVE_STDLIB_H
  28 #include <stdlib.h>
  29 #endif
  30 #ifdef HAVE_STRING_H
  31 #include <string.h>
  32 #else
  33 #include <strings.h>
  34 #endif
  35
  36 #define REDIRECT
  37
  38 static FILE *fout = NULL;
  39 static char fname[128];
  40 static int file_cnt = 0;        /* count number of open files */
  41
  42 void
  43 puts_dbg (data)
  44   const char *data;
  45 {
  46   FILE *fdbg;
  47
  48   fdbg = fopen ("dbg.log", "a+");
  49   if (fdbg == NULL)
  50     return;
  51   fprintf (fdbg, data);
  52   fclose (fdbg);
  53 }
  54
  55 /* Can't easily get the message back to gdb... write to a log instead. */
  56 void
  57 fputs_dbg (data, fakestream)
  58   const char *data;
  59   FILE *fakestream;
  60 {
  61 #ifdef REDIRECT
  62   puts_dbg (data);
  63 #else /* REDIRECT */
  64
  65   if (fakestream == stdout || fakestream == stderr || fakestream == NULL)
  66     {
  67       if (fout == NULL)
  68         {
  69           for (file_cnt = 0; file_cnt < 20; file_cnt++)
  70             {
  71               sprintf (fname, "dbg%d.log", file_cnt);
  72               if ((fout = fopen (fname), "r") != NULL)
  73                 fclose (fout);
  74               else
  75                 break;
  76             }
  77           fout = fopen (fname, "w");
  78           if (fout == NULL)
  79             return;
  80         }
  81       fakestream = fout;
  82     }
  83   fprintf (fakestream, data);
  84   fflush (fakestream);
  85 #endif /* REDIRECT */
  86 }
  87
  88 void
  89 #ifdef ANSI_PROTOTYPES
  90 printf_dbg (const char *format,...)
  91 #else
  92 printf_dbg (va_alist)
  93      va_dcl
  94 #endif
  95 {
  96   va_list args;
  97   char buf[256];
  98 #ifdef ANSI_PROTOTYPES
  99   va_start (args, format);
 100 #else
 101   char *format;
 102
 103   va_start (args);
 104   format = va_arg (args, char *);
 105 #endif
 106   vsprintf (buf, format, args);
 107   puts_dbg (buf);
 108   va_end (args);
 109 }