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annotate toys/mkfifo.c @ 257:951110c37fee

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Add TOYFLAG_UMASK.
author Rob Landley <rob@landley.net>
date Tue, 12 Feb 2008 19:05:44 -0600
parents 7cb15eae1664
children
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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 * mkfifo.c: Create a named pipe.
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4 *
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5 * See http://www.opengroup.org/onlinepubs/009695399/utilities/mkfifo.html
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6
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7 USE_MKFIFO(NEWTOY(mkfifo, "<1m:", TOYFLAG_BIN|TOYFLAG_UMASK))
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8
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9 config MKFIFO
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10 bool "mkfifo"
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11 default y
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12 help
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13 usage: mkfifo [-m mode] name...
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14
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15 Makes a named pipe at name.
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16
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17 -m mode The mode of the pipe(s) created by mkfifo. It defaults
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18 to 0644. This number is in octal, optionally preceded
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19 by a leading zero.
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20 */
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21
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22 #include "toys.h"
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23
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24 DEFINE_GLOBALS(
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25 char *mode;
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26 )
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27
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28 #define TT this.mkfifo
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29
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30 void mkfifo_main(void)
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31 {
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32 char *arg;
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33 int i;
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34 mode_t mode;
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35
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36 if (toys.optflags) {
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37 char *end;
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38 mode = (mode_t)strtol(TT.mode, &end, 8);
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39 if (end<=TT.mode || *end || mode<0 || mode>0777)
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40 error_exit("Invalid mode");
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41 } else mode = 0644;
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42
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43 for (i = 0; (arg = toys.optargs[i]); i++)
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44 if (mkfifo(arg, mode))
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45 perror_exit(arg);
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46 }