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47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/* Add a directory change to a file action list for posix_spawn.
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Copyright (C) 2000-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <spawn.h>
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#include <string.h>
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#include "spawn_int.h"
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int
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posix_spawn_file_actions_addfchdir_np (posix_spawn_file_actions_t *actions,
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int fd)
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{
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struct __spawn_action *rec;
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/* Allocate more memory if needed. */
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if (actions->__used == actions->__allocated
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&& __posix_spawn_file_actions_realloc (actions) != 0)
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/* This can only mean we ran out of memory. */
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return ENOMEM;
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/* Add the new value. */
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rec = &actions->__actions[actions->__used];
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rec->tag = spawn_do_fchdir;
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rec->action.fchdir_action.fd = fd;
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/* Account for the new entry. */
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++actions->__used;
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return 0;
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}
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