io.c

   1 /*
   2  *  Printing and such.
   3  */
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #include <ctype.h>
   8 #include <termios.h>
   9 #include "check.h"
  10
  11 char *escape(char *s)
  12 {
  13         char *c;
  14         char *tmp = strdup(s);
  15         for (c = tmp; *c; c++)
  16                 *c = isprint(*c) ? *c : '.';
  17         return tmp;
  18 }
  19
  20 static void expand_custom(char ch, check_context_t *ctx)
  21 {
  22         char *s;
  23         if (!ctx)
  24                 return;
  25
  26         switch(ch)
  27         {
  28         case '$':
  29                 fputc('$', stdout);
  30                 break;
  31         case 'I':
  32                 printf("%llx", swap_be64(ctx->current_inode->i_head.h_self));
  33                 break;
  34         case 'F':
  35                 s = escape(ctx->current_inode->i_name);
  36                 printf("%s", s);
  37                 free(s);
  38                 break;
  39         case 'H':
  40                 printf("%d", ctx->hash);
  41                 break;
  42         case 'B':
  43                 printf("%llx", ctx->block);
  44                 break;
  45         }
  46 }
  47
  48 void sad_print(char *fmt, check_context_t *ctx)
  49 {
  50         int escape = 0;
  51         char ch;
  52         while ((ch = *fmt++) != 0)
  53         {
  54                 if (escape)
  55                 {
  56                         expand_custom(ch, ctx);
  57                         escape = 0;
  58                 }
  59                 else
  60                 {
  61                         escape = (ch == '$');
  62                         if (!escape)
  63                                 fputc(ch, stdout);
  64                 }
  65         }
  66         fputc('\n', stdout);
  67 }
  68
  69 int prompt_yesno(char *msg)
  70 {
  71         struct termios saveios, newios;
  72         char ch;
  73
  74         tcgetattr(0, &saveios);
  75         memcpy(&newios, &saveios, sizeof(struct termios));
  76         newios.c_lflag &= ~(ECHO | ICANON);
  77         newios.c_cc[VTIME] = 0;
  78         newios.c_cc[VMIN] = 1;
  79         tcsetattr(0, TCSANOW, &newios);
  80
  81         printf("%s [y/N]", msg);
  82         ch = getchar();
  83
  84         tcsetattr(0, TCSANOW, &saveios);
  85
  86         fputc('\n', stdout);
  87         return tolower(ch) == 'y';
  88 }