src/indicator.c

   1 /* ------------------------------------------------------------------------ */
   2 /* LHa for UNIX                                                             */
   3 /*              indicator.c -- put indicator                                */
   4 /*                                                                          */
   5 /*      Modified                Nobutaka Watazaki                           */
   6 /*                                                                          */
   7 /*  Ver. 1.14   Source All chagned              1995.01.14  N.Watazaki      */
   8 /*              Separated from append.c         2003.07.21  Koji Arai       */
   9 /* ------------------------------------------------------------------------ */
  10 #include "lha.h"
  11
  12 #define MAX_INDICATOR_COUNT     58
  13
  14 static off_t reading_size;
  15
  16 #ifdef NEED_INCREMENTAL_INDICATOR
  17 static off_t indicator_count;
  18 static long indicator_threshold;
  19 #endif
  20
  21 #define ALIGN(size, threshold) (((size) + ((threshold)-1))/(threshold))
  22
  23 static void
  24 carriage_return()
  25 {
  26     static int tty = -1;
  27     if (tty == -1) {
  28         if (isatty(1))          /* stdout */
  29             tty = 1;
  30         else
  31             tty = 0;
  32     }
  33
  34     if (tty)
  35         fputs("\r", stdout);
  36     else
  37         fputs("\n", stdout);
  38 }
  39
  40 void
  41 start_indicator(name, size, msg, def_indicator_threshold)
  42     char           *name;
  43     off_t          size;
  44     char           *msg;
  45     long            def_indicator_threshold;
  46 {
  47 #ifdef NEED_INCREMENTAL_INDICATOR
  48     long i;
  49     int m;
  50 #endif
  51
  52     if (quiet)
  53         return;
  54
  55 #ifdef NEED_INCREMENTAL_INDICATOR
  56     switch (quiet_mode) {
  57     case 0:
  58         m = MAX_INDICATOR_COUNT - strlen(name);
  59         if (m < 1)      /* Bug Fixed by N.Watazaki */
  60             m = 3;      /* (^_^) */
  61         carriage_return();
  62         printf("%s\t- %s :  ", name, msg);
  63
  64         indicator_threshold =
  65             ALIGN(size, m*def_indicator_threshold) * def_indicator_threshold;
  66
  67         if (indicator_threshold)
  68             i = ALIGN(size, indicator_threshold);
  69         else
  70             i = 0;
  71
  72         while (i--)
  73             putchar('.');
  74         indicator_count = 0;
  75         carriage_return();
  76         printf("%s\t- %s :  ", name, msg);
  77         break;
  78     case 1:
  79         carriage_return();
  80         printf("%s :", name);
  81         break;
  82     }
  83 #else
  84     printf("%s\t- ", name);
  85 #endif
  86     fflush(stdout);
  87     reading_size = 0L;
  88 }
  89
  90 #ifdef NEED_INCREMENTAL_INDICATOR
  91 void
  92 put_indicator(count)
  93     long int        count;
  94 {
  95     reading_size += count;
  96     if (!quiet && indicator_threshold) {
  97         while (reading_size > indicator_count) {
  98             putchar('o');
  99             fflush(stdout);
 100             indicator_count += indicator_threshold;
 101         }
 102     }
 103 }
 104 #endif
 105
 106 void
 107 finish_indicator2(name, msg, pcnt)
 108     char           *name;
 109     char           *msg;
 110     int             pcnt;
 111 {
 112     if (quiet)
 113         return;
 114
 115     if (pcnt > 100)
 116         pcnt = 100; /* (^_^) */
 117 #ifdef NEED_INCREMENTAL_INDICATOR
 118     carriage_return();
 119     printf("%s\t- %s(%d%%)\n", name,  msg, pcnt);
 120 #else
 121     printf("%s\n", msg);
 122 #endif
 123     fflush(stdout);
 124 }
 125
 126 void
 127 finish_indicator(name, msg)
 128     char           *name;
 129     char           *msg;
 130 {
 131     if (quiet)
 132         return;
 133
 134 #ifdef NEED_INCREMENTAL_INDICATOR
 135     carriage_return();
 136     printf("%s\t- %s\n", name, msg);
 137 #else
 138     printf("%s\n", msg);
 139 #endif
 140     fflush(stdout);
 141 }