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annotate toys/posix/basename.c @ 694:786841fdb1e0

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Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. The actual code should be the same afterward, this is just cosmetic refactoring.
author Rob Landley <rob@landley.net>
date Tue, 13 Nov 2012 17:14:08 -0600
parents 2986aa63a021
children b300eb824c70
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 653
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1 /* basename.c - Return non-directory portion of a pathname
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2 *
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3 * Copyright 2012 Tryn Mirell <tryn@mirell.org>
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4 *
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5 * See http://opengroup.org/onlinepubs/9699919799/utilities/basename.html
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8 USE_BASENAME(NEWTOY(basename, "<1>2", TOYFLAG_USR|TOYFLAG_BIN))
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9
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10 config BASENAME
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parents: 653
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11 bool "basename"
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parents: 653
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12 default y
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parents: 653
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13 help
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parents: 653
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14 usage: basename string [suffix]
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parents: 653
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16 Return non-directory portion of a pathname removing suffix
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17 */
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18
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19 #include "toys.h"
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20
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21 void basename_main(void)
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22 {
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parents: 653
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23 char *arg = toys.optargs[0], *suffix = toys.optargs[1], *base;
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parents: 653
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25 while ((base = strrchr(arg, '/'))) {
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parents: 653
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26 if (base == arg) break;
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parents: 653
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27 if (!base[1]) *base = 0;
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parents: 653
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28 else {
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parents: 653
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29 base++;
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parents: 653
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30 break;
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31 }
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parents: 653
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32 }
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parents: 653
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34 if (!base) base = arg;
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parents: 653
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parents: 653
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36 // chop off the suffix if provided
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parents: 653
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37 if (suffix) {
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parents: 653
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38 arg = base + strlen(base) - strlen(suffix);
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parents: 653
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39 if (arg > base && !strcmp(arg, suffix)) *arg = 0;
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parents: 653
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40 }
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parents: 653
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parents: 653
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42 puts(base);
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43 }