LXR toybox/toys/other/pwdx.c

   1/* pwdx.c - report current directory of a process. 
   2 *
   3 * Copyright 2013 Lukasz Skalski <l.skalski@partner.samsung.com>
   4
   5USE_PWDX(NEWTOY(pwdx, "<1a", TOYFLAG_USR|TOYFLAG_BIN))
   6
   7config PWDX
   8  bool "pwdx"
   9  default y
  10  help
  11    usage: pwdx PID...
  12
  13    Print working directory of processes listed on command line.
  14*/
  15
  16#include "toys.h"
  17
  18void pwdx_main(void)
  19{
  20  char **optargs;
  21
  22  for (optargs = toys.optargs; *optargs; optargs++) {
  23    char *path = toybuf;
  24
  25    sprintf(toybuf, "/proc/%d/cwd", atoi(*optargs));
  26    if (!readlink0(path, toybuf, sizeof(toybuf))) {
  27      path = strerror(errno);
  28      toys.exitval = 1;
  29    }
  30
  31    xprintf("%s: %s\n", *optargs, path);
  32  }
  33}
  34