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-rw-r--r--lib/spawn_faction_init.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/spawn_faction_init.c b/lib/spawn_faction_init.c
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+++ b/lib/spawn_faction_init.c
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+/* Copyright (C) 2000, 2009-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <spawn.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "spawn_int.h"
+
+
+/* Function used to increase the size of the allocated array. This
+ function is called from the 'add'-functions. */
+int
+__posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *file_actions)
+{
+ int newalloc = file_actions->_allocated + 8;
+ void *newmem = realloc (file_actions->_actions,
+ newalloc * sizeof (struct __spawn_action));
+
+ if (newmem == NULL)
+ /* Not enough memory. */
+ return ENOMEM;
+
+ file_actions->_actions = (struct __spawn_action *) newmem;
+ file_actions->_allocated = newalloc;
+
+ return 0;
+}
+
+
+/* Initialize data structure for file attribute for 'spawn' call. */
+int
+posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions)
+{
+ /* Simply clear all the elements. */
+ memset (file_actions, '\0', sizeof (*file_actions));
+ return 0;
+}