sys/src/cmd/chgrp.c

   1 #include <u.h>
   2 #include <libc.h>
   3
   4 int     uflag;
   5
   6 void
   7 main(int argc, char *argv[])
   8 {
   9         int i;
  10         Dir dir;
  11         char *group;
  12         char *errs;
  13
  14         ARGBEGIN {
  15         default:
  16         usage:
  17                 fprint(2, "usage: chgrp [ -uo ] group file ....\n");
  18                 exits("usage");
  19                 return;
  20         case 'u':
  21         case 'o':
  22                 uflag++;
  23                 break;
  24         } ARGEND
  25         if(argc < 1)
  26                 goto usage;
  27
  28         group = argv[0];
  29         errs = 0;
  30         for(i=1; i<argc; i++){
  31                 nulldir(&dir);
  32                 if(uflag)
  33                         dir.uid = group;
  34                 else
  35                         dir.gid = group;
  36                 if(dirwstat(argv[i], &dir) == -1) {
  37                         fprint(2, "chgrp: can't wstat %s: %r\n", argv[i]);
  38                         errs = "can't wstat";
  39                         continue;
  40                 }
  41         }
  42         exits(errs);
  43 }