From 3bb115d6d65559450bb8c6663971317153ce1abe Mon Sep 17 00:00:00 2001 From: Felix Janda Date: Thu, 27 Dec 2012 17:56:39 +0100 Subject: Add options -L and -P to pwd. --- toys/posix/pwd.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/toys/posix/pwd.c b/toys/posix/pwd.c index f70f9098..5c543e87 100644 --- a/toys/posix/pwd.c +++ b/toys/posix/pwd.c @@ -3,26 +3,34 @@ * Copyright 2006 Rob Landley * * See http://opengroup.org/onlinepubs/9699919799/utilities/echo.html - * - * TODO: add -L -P -USE_PWD(NEWTOY(pwd, NULL, TOYFLAG_BIN)) +USE_PWD(NEWTOY(pwd, ">0LP[!LP]", TOYFLAG_BIN)) config PWD bool "pwd" default y help - usage: pwd + usage: pwd [-L|-P] The print working directory command prints the current directory. + + -P Avoid all symlinks + -L Use the value of the environment variable "PWD" if valid + + The option "-L" is implied by default. */ +#define FOR_pwd #include "toys.h" void pwd_main(void) { - char *pwd = xgetcwd(); + char *pwd = xgetcwd(), *env_pwd; + struct stat st[2]; - xprintf("%s\n", pwd); + if (!(toys.optflags & FLAG_P) && (env_pwd = getenv("PWD")) && + !stat(pwd, &st[0]) && !stat(env_pwd, &st[1]) && + (st[0].st_ino == st[1].st_ino)) xprintf("%s\n", env_pwd); + else xprintf("%s\n", pwd); if (CFG_TOYBOX_FREE) free(pwd); } -- cgit v1.2.3