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annotate toys/readlink.c @ 562:4d802d438983

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Match uint64_t with PRIu64 to avoid warnings on 64 bit builds.
author Rob Landley <rob@landley.net>
date Sat, 14 Apr 2012 21:27:00 -0500
parents 163498bf547b
children 82ffae226c40
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of
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1 /* vi: set sw=4 ts=4:
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2 *
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3 * readlink.c - Return string representation of a symbolic link.
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30a6db5a95c2 Add comments about SUSv3 specs (or lack thereof).
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4 *
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5 * Copyright 2007 Rob Landley <rob@landley.net>
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6 *
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7 * Not in SUSv3.
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8
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9 USE_READLINK(NEWTOY(readlink, "<1f", TOYFLAG_BIN))
163498bf547b Move NEWTOY() list from end of toylist.h to generated/newtoys.h.
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10
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11 config READLINK
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12 bool "readlink"
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13 default n
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14 help
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15 usage: readlink
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16
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17 Show what a symbolic link points to.
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18
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19 config READLINK_F
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20 bool "readlink -f"
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21 default n
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22 depends on READLINK
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23 help
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24 usage: readlink [-f]
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25
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26 -f Show full cannonical path, with no symlinks in it. Returns
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27 nonzero if nothing could currently exist at this location.
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28 */
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29
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30 #include "toys.h"
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31
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32 void readlink_main(void)
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33 {
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34 char *s;
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35
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36 // Calculating full cannonical path?
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37
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38 if (CFG_READLINK_F && toys.optflags) s = realpath(*toys.optargs, NULL);
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39 else s = xreadlink(*toys.optargs);
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41 if (s) {
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42 xputs(s);
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43 if (CFG_TOYBOX_FREE) free(s);
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44 } else toys.exitval = 1;
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45 }