log.cc

   1 /*
   2  * Copyright (c) 2000, Red Hat, Inc.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by DJ Delorie <dj@redhat.com>
  13  *
  14  */
  15
  16 /* The purpose of this file is to centralize all the logging functions. */
  17
  18 #if 0
  19 static const char *cvsid =
  20   "\n%%% $Id$\n";
  21 #endif
  22
  23 #include "win32.h"
  24 #include <stdio.h>
  25 #include <stdarg.h>
  26 #include <stdlib.h>
  27 #include <time.h>
  28
  29 #include "resource.h"
  30 #include "msg.h"
  31 #include "log.h"
  32 #include "dialog.h"
  33 #include "state.h"
  34 #include "concat.h"
  35 #include "mkdir.h"
  36 #include "mount.h"
  37
  38 struct LogEnt
  39 {
  40   LogEnt *next;
  41   int flags;
  42   time_t when;
  43   char msg[1];
  44 };
  45
  46 static LogEnt *first_logent = 0;
  47 static LogEnt **next_logent = &first_logent;
  48
  49 void
  50 log (int flags, const char *fmt, ...)
  51 {
  52   char buf[1000];
  53   va_list args;
  54   va_start (args, fmt);
  55   vsprintf (buf, fmt, args);
  56
  57   LogEnt *l = (LogEnt *) malloc (sizeof (LogEnt) + strlen (buf) + 20);
  58   l->next = 0;
  59   l->flags = flags;
  60   time (&(l->when));
  61   *next_logent = l;
  62   next_logent = &(l->next);
  63
  64   char *b = l->msg;
  65   if (flags & LOG_TIMESTAMP)
  66     {
  67       struct tm *tm = localtime (&(l->when));
  68       strftime (b, 1000, "%Y/%m/%d %H:%M:%S ", tm);
  69       b += strlen (b);
  70     }
  71
  72   strcpy (b, buf);
  73   msg ("LOG: %d %s", l->flags, l->msg);
  74 }
  75
  76 void
  77 log_save (int babble, const char *filename, int append)
  78 {
  79   static int been_here = 0;
  80   if (been_here)
  81     return;
  82   been_here = 1;
  83
  84   mkdir_p (0, filename);
  85
  86   FILE *f = fopen (filename, append ? "at" : "wt");
  87   if (!f)
  88     {
  89       fatal (NULL, IDS_NOLOGFILE, filename);
  90       return;
  91     }
  92
  93   LogEnt *l;
  94
  95   for (l = first_logent; l; l = l->next)
  96     {
  97       if (babble || !(l->flags & LOG_BABBLE))
  98         {
  99           fputs (l->msg, f);
 100           if (l->msg[strlen (l->msg) - 1] != '\n')
 101             fputc ('\n', f);
 102         }
 103     }
 104
 105   fclose (f);
 106   been_here = 0;
 107 }
 108
 109 void
 110 exit_setup (int exit_code)
 111 {
 112   static int been_here = 0;
 113   if (been_here)
 114     ExitProcess (1);
 115   been_here = 1;
 116
 117   if (exit_msg)
 118     note (NULL, exit_msg);
 119
 120   log (LOG_TIMESTAMP, "Ending cygwin install");
 121
 122   if (source == IDC_SOURCE_DOWNLOAD || !get_root_dir ())
 123     {
 124       log_save (LOG_BABBLE, concat (local_dir, "/setup.log.full", 0), 0);
 125       log_save (0, concat (local_dir, "/setup.log", 0), 1);
 126     }
 127   else
 128     {
 129       log_save (LOG_BABBLE, cygpath ("/setup.log.full", 0), 0);
 130       log_save (0, cygpath ("/setup.log", 0), 1);
 131     }
 132
 133   ExitProcess (exit_code);
 134 }