view toys/other/realpath.c @ 877:37e668afd008

Isaac Dunham pointed out that the kernel treats - and _ as identical in module names, so modinfo should too. Made it use mmap() while I was there, and some cosmetic refactoring.
author Rob Landley <rob@landley.net>
date Wed, 24 Apr 2013 03:04:31 -0500
parents 6cc69be43c42
children
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/* realpath.c - Return the canonical version of a pathname
 *
 * Copyright 2012 Andre Renaud <andre@bluewatersys.com>

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("%s", *s);
    else xputs(toybuf);
  }
}