librt: add posix_spawn support

Signed-off-by: Ismael Luceno <ismael.luceno@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/librt/spawn_faction_init.c b/librt/spawn_faction_init.c
new file mode 100644
index 000000000..fb398a566
--- /dev/null
+++ b/librt/spawn_faction_init.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <spawn.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;
+}