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annotate toys/lsb/mktemp.c @ 1178:f8432a8872e0 draft

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More work on the cleanup page, partway through describing ifconfig.
author Rob Landley <rob@landley.net>
date Wed, 01 Jan 2014 15:00:44 -0600
parents 786841fdb1e0
children 0752b2d58909
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1 /* mktemp.c - Create a temporary file or directory.
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2 *
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3 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
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4 *
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5 * http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/mktemp.html
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7 USE_MKTEMP(NEWTOY(mktemp, ">1q(directory)d(tmpdir)p:", TOYFLAG_BIN))
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8
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9 config MKTEMP
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10 bool "mktemp"
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11 default y
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12 help
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13 usage: mktemp [-dq] [-p DIR] [TEMPLATE]
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15 Safely create new file and print its name. Default TEMPLATE is
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16 /tmp/tmp.XXXXXX and each trailing X is replaced with random char.
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18 -d, --directory Create directory instead of file
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19 -p DIR, --tmpdir=DIR Put new file in DIR
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20 -q Quiet
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21 */
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23 #define FOR_mktemp
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24 #include "toys.h"
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26 GLOBALS(
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27 char * tmpdir;
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28 )
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30 void mktemp_main(void)
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31 {
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32 int d_flag = toys.optflags & FLAG_d;
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33 char *tmp;
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35 tmp = *toys.optargs;
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37 if (!tmp) {
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38 if (!TT.tmpdir) TT.tmpdir = "/tmp";
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39 tmp = "tmp.xxxxxx";
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40 }
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41 if (TT.tmpdir) tmp = xmsprintf("%s/%s", TT.tmpdir ? TT.tmpdir : "/tmp",
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42 *toys.optargs ? *toys.optargs : "tmp.XXXXXX");
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44 if (d_flag ? mkdtemp(tmp) == NULL : mkstemp(tmp) == -1)
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45 if (toys.optflags & FLAG_q)
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46 perror_exit("Failed to create temporary %s",
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47 d_flag ? "directory" : "file");
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49 xputs(tmp);
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51 if (CFG_TOYBOX_FREE && TT.tmpdir) free(tmp);
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52 }