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annotate toys/realpath.c @ 577:2a757e592ff7

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Remove strndupa() gnu-ism at Georgi's suggestion, and adjust mdev to compile with new dirtree. (No idea if it works, this command was never finished and needs a lot more work.)
author Rob Landley <rob@landley.net>
date Wed, 09 May 2012 06:39:01 -0500
parents 7d4dbde67dfb
children
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6378ca1da18e Realpath, by Andre Renaud.
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1 /* vi: set sw=4 ts=4:
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2 *
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3 * realpath.c - Return the canonical version of a pathname
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4 *
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5 * Copyright 2012 Andre Renaud <andre@bluewatersys.com>
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6 *
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7 * Not in SUSv4.
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9 USE_REALPATH(NEWTOY(realpath, "<1", TOYFLAG_USR|TOYFLAG_BIN))
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10
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11 config REALPATH
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12 bool "realpath"
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13 default y
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14 help
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15 usage: realpath FILE...
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16
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17 Display the canonical absolute pathname
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18 */
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19
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20 #include "toys.h"
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21
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22 void realpath_main(void)
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23 {
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24 char **s = toys.optargs;
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25 for (s = toys.optargs; *s; s++) {
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26 if (!realpath(*s, toybuf)) {
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27 perror_msg("cannot access '%s'", *s);
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28 toys.exitval = 1;
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29 } else xputs(toybuf);
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30 }
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31 }