New module 'posix_spawn_file_actions_init'.

4 files changed, 97 insertions, 4 deletions

diff --git a/ChangeLog b/ChangeLog
index 5a3aa60c84..b5bcd1d95a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2008-09-28  Bruno Haible  <bruno@clisp.org>
 
+	New module 'posix_spawn_file_actions_init'.
+	* modules/posix_spawn_file_actions_init: New file.
+	* lib/spawn_faction_init.c: New file, from GNU libc with modifications.
+	* doc/posix-functions/posix_spawn_file_actions_init.texi: Mention the
+	new module.
+
 	New module 'posix_spawn-internal'.
 	* modules/posix_spawn-internal: New file.
 	* lib/spawn_int.h: New file, from GNU libc with modifications.
diff --git a/doc/posix-functions/posix_spawn_file_actions_init.texi b/doc/posix-functions/posix_spawn_file_actions_init.texi
index 1d26abf77d..672dcde6e0 100644
--- a/doc/posix-functions/posix_spawn_file_actions_init.texi
+++ b/doc/posix-functions/posix_spawn_file_actions_init.texi
@@ -4,15 +4,15 @@
 
 POSIX specification: @url{http://www.opengroup.org/susv3xsh/posix_spawn_file_actions_init.html}
 
-Gnulib module: ---
+Gnulib module: posix_spawn_file_actions_init
 
 Portability problems fixed by Gnulib:
 @itemize
+@item
+This function is missing on some platforms:
+MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin, mingw, Interix 3.5, BeOS.
 @end itemize
 
 Portability problems not fixed by Gnulib:
 @itemize
-@item
-This function is missing on some platforms:
-MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin, mingw, Interix 3.5, BeOS.
 @end itemize
diff --git a/lib/spawn_faction_init.c b/lib/spawn_faction_init.c
new file mode 100644
index 0000000000..28271a75fd
--- /dev/null
+++ b/lib/spawn_faction_init.c
@@ -0,0 +1,56 @@
+/* Copyright (C) 2000 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 <http://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;
+}
diff --git a/modules/posix_spawn_file_actions_init b/modules/posix_spawn_file_actions_init
new file mode 100644
index 0000000000..78131cae87
--- /dev/null
+++ b/modules/posix_spawn_file_actions_init
@@ -0,0 +1,31 @@
+Description:
+posix_spawn_file_actions_init() function: initialize child process actions
+specification.
+
+Files:
+lib/spawn_faction_init.c
+lib/spawn_int.h
+m4/posix_spawn.m4
+
+Depends-on:
+spawn
+
+configure.ac:
+gl_POSIX_SPAWN
+if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN = 1; then
+  gl_REPLACE_SPAWN_H
+  AC_LIBOBJ([spawn_faction_init])
+fi
+gl_SPAWN_MODULE_INDICATOR([posix_spawn_file_actions_init])
+
+Makefile.am:
+
+Include:
+<spawn.h>
+
+License:
+LGPL
+
+Maintainer:
+Bruno Haible, glibc
+