release/src/router/busybox/coreutils/length.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Licensed under GPLv2, see file LICENSE in this source tree.
   4  */
   5
   6 /* BB_AUDIT SUSv3 N/A -- Apparently a busybox (obsolete?) extension. */
   7
   8 #include "libbb.h"
   9
  10 /* This is a NOFORK applet. Be very careful! */
  11
  12 int length_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  13 int length_main(int argc, char **argv)
  14 {
  15         if ((argc != 2) || (**(++argv) == '-')) {
  16                 bb_show_usage();
  17         }
  18
  19         printf("%u\n", (unsigned)strlen(*argv));
  20
  21         return fflush_all();
  22 }