user/lsfd.c

   1 #include <inc/lib.h>
   2
   3 void
   4 usage(void)
   5 {
   6         cprintf("usage: lsfd [-1]\n");
   7         exit();
   8 }
   9
  10 void
  11 umain(int argc, char **argv)
  12 {
  13         int i, usefprint = 0;
  14         struct Stat st;
  15
  16         ARGBEGIN{
  17         default:
  18                 usage();
  19         case '1':
  20                 usefprint = 1;
  21                 break;
  22         }ARGEND
  23
  24         for (i = 0; i < 32; i++)
  25                 if (fstat(i, &st) >= 0) {
  26                         if (usefprint)
  27                                 fprintf(1, "fd %d: name %s isdir %d size %d dev %s\n",
  28                                         i, st.st_name, st.st_isdir,
  29                                         st.st_size, st.st_dev->dev_name);
  30                         else
  31                                 cprintf("fd %d: name %s isdir %d size %d dev %s\n",
  32                                         i, st.st_name, st.st_isdir,
  33                                         st.st_size, st.st_dev->dev_name);
  34                 }
  35 }