Mercurial > hg > toybox
view toys/realpath.c @ 536:2c1cb0d35031
Add lib/portability.h description with explanation of SWAP() macros.
author | Rob Landley <rob@landley.net> |
---|---|
date | Fri, 09 Mar 2012 08:33:57 -0600 |
parents | 7d4dbde67dfb |
children |
line wrap: on
line source
/* vi: set sw=4 ts=4: * * realpath.c - Return the canonical version of a pathname * * Copyright 2012 Andre Renaud <andre@bluewatersys.com> * * Not in SUSv4. USE_REALPATH(NEWTOY(realpath, "<1", TOYFLAG_USR|TOYFLAG_BIN)) config REALPATH bool "realpath" default y help usage: realpath FILE... Display the canonical absolute pathname */ #include "toys.h" void realpath_main(void) { char **s = toys.optargs; for (s = toys.optargs; *s; s++) { if (!realpath(*s, toybuf)) { perror_msg("cannot access '%s'", *s); toys.exitval = 1; } else xputs(toybuf); } }