payloads/libpayload/curses/PDCurses/pdcurses/debug.c

   1 /* Public Domain Curses */
   2
   3 #include <curspriv.h>
   4
   5 RCSID("$Id: debug.c,v 1.7 2008/07/13 16:08:18 wmcbrine Exp $")
   6
   7 /*man-start**************************************************************
   8
   9   Name:                                                         debug
  10
  11   Synopsis:
  12         void traceon(void);
  13         void traceoff(void);
  14         void PDC_debug(const char *, ...);
  15
  16   Description:
  17         traceon() and traceoff() toggle the recording of debugging
  18         information to the file "trace". Although not standard, similar
  19         functions are in some other curses implementations.
  20
  21         PDC_debug() is the function that writes to the file, based on
  22         whether traceon() has been called. It's used from the PDC_LOG()
  23         macro.
  24
  25   Portability                                X/Open    BSD    SYS V
  26         traceon                                 -       -       -
  27         traceoff                                -       -       -
  28         PDC_debug                               -       -       -
  29
  30 **man-end****************************************************************/
  31
  32 #include <string.h>
  33 #include <sys/types.h>
  34 #include <time.h>
  35
  36 bool pdc_trace_on = FALSE;
  37
  38 void PDC_debug(const char *fmt, ...)
  39 {
  40     va_list args;
  41     FILE *dbfp;
  42     char hms[9];
  43     time_t now;
  44
  45     if (!pdc_trace_on)
  46         return;
  47
  48     /* open debug log file append */
  49
  50     dbfp = fopen("trace", "a");
  51     if (!dbfp)
  52     {
  53         fprintf(stderr,
  54             "PDC_debug(): Unable to open debug log file\n");
  55         return;
  56     }
  57
  58     time(&now);
  59     strftime(hms, 9, "%H:%M:%S", localtime(&now));
  60     fprintf(dbfp, "At: %8.8ld - %s ", (long) clock(), hms);
  61
  62     va_start(args, fmt);
  63     vfprintf(dbfp, fmt, args);
  64     va_end(args);
  65
  66     fclose(dbfp);
  67 }
  68
  69 void traceon(void)
  70 {
  71     PDC_LOG(("traceon() - called\n"));
  72
  73     pdc_trace_on = TRUE;
  74 }
  75
  76 void traceoff(void)
  77 {
  78     PDC_LOG(("traceoff() - called\n"));
  79
  80     pdc_trace_on = FALSE;
  81 }