[PATCH 018/114] Add syscalls for group related operations for Phoenix.

[Jakub Sejdak <jakub dot sejdak at phoesys dot com>]

From: Kuba Sejdak <jakub.sejdak@phoesys.com>

---
 newlib/libc/sys/phoenix/groups.c | 94 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 newlib/libc/sys/phoenix/groups.c

diff --git a/newlib/libc/sys/phoenix/groups.c b/newlib/libc/sys/phoenix/groups.c
new file mode 100644
index 0000000..28b5d49
--- /dev/null
+++ b/newlib/libc/sys/phoenix/groups.c
@@ -0,0 +1,94 @@
+/* Copyright (C) 2012-2016 Phoenix Systems (http://www.phoesys.com/).
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+   
+ #include "syscall.h"
+   
+ #include <errno.h>
+ #include <stdio.h>
+ #include <sys/types.h>
+   
+int initgroups(const char *user, gid_t group)
+{
+	/* TODO: implement. */
+	if(user == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	return 0;
+}
+
+int getgroups(int size, gid_t list[])
+{
+	int ret = syscall2(int, SYS_GETGROUPS, size, list);
+	if(ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
+
+int setgroups(size_t size, const gid_t *list)
+{
+	int ret = syscall2(int, SYS_SETGROUPS, size, list);
+	if(ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
+
+struct group *getgrent()
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return NULL;
+}
+
+void setgrent()
+{
+	/* TODO: implement. */
+}
+
+void endgrent()
+{
+	/* TODO: implement. */
+}
+
+struct group *getgrnam(const char *name)
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return NULL;
+}
+
+struct group *getgrgid(gid_t gid)
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return NULL;
+}
+
+int setpgrp(pid_t pid, pid_t pgid)
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return NULL;
+}
-- 
2.5.0