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annotate lib/spawn_faction_init.c @ 16511:2074f2bf7216

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math code: Add comments. * lib/acosl.c: Add comment about related glibc source files. * lib/asinl.c: Likewise. * lib/atanl.c: Likewise. * lib/expl.c: Likewise. * lib/logl.c: Likewise. * lib/sincosl.c: Likewise. * lib/sinl.c: Likewise. * lib/tanl.c: Likewise. * lib/trigl.c: Likewise. * lib/cosl.c: Likewise. Fix comments.
author Bruno Haible <bruno@clisp.org>
date Wed, 29 Feb 2012 12:30:07 +0100
parents 18a38c9615f0
children e542fd46ad6f
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Jim Meyering <meyering@redhat.com>
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1 /* Copyright (C) 2000, 2009-2012 Free Software Foundation, Inc.
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2 This file is part of the GNU C Library.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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16
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17 #include <config.h>
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18
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19 /* Specification. */
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20 #include <spawn.h>
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21
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22 #include <errno.h>
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23 #include <stdlib.h>
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24 #include <string.h>
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25
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26 #include "spawn_int.h"
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27
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28
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29 /* Function used to increase the size of the allocated array. This
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30 function is called from the 'add'-functions. */
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31 int
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32 __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *file_actions)
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33 {
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34 int newalloc = file_actions->_allocated + 8;
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35 void *newmem = realloc (file_actions->_actions,
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36 newalloc * sizeof (struct __spawn_action));
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37
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38 if (newmem == NULL)
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39 /* Not enough memory. */
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40 return ENOMEM;
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41
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42 file_actions->_actions = (struct __spawn_action *) newmem;
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43 file_actions->_allocated = newalloc;
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44
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45 return 0;
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46 }
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47
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48
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49 /* Initialize data structure for file attribute for 'spawn' call. */
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50 int
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51 posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions)
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52 {
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53 /* Simply clear all the elements. */
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54 memset (file_actions, '\0', sizeof (*file_actions));
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55 return 0;
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56 }