1 /* pwdx.c - report current directory of a process. 2 * 3 * Copyright 2013 Lukasz Skalski <[email protected]> 4 5 USE_PWDX(NEWTOY(pwdx, "<1a", TOYFLAG_USR|TOYFLAG_BIN)) 6 7 config 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 pwdx_main(void)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