1 files changed, 112 insertions, 0 deletions
diff --git a/libiohelp/iouser-create.c b/libiohelp/iouser-create.c
new file mode 100644
index 00000000..980c8a1e
--- /dev/null
+++ b/libiohelp/iouser-create.c
@@ -0,0 +1,112 @@
+/*
+   Copyright (C) 1996,2001,02 Free Software Foundation, Inc.
+
+   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 2, 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "iohelp.h"
+
+error_t
+iohelp_create_iouser (struct iouser **user, struct idvec *uids,
+		      struct idvec *gids)
+{
+  struct iouser *new;
+  *user = new = malloc (sizeof (struct iouser));
+  if (!new)
+    return ENOMEM;
+
+  new->uids = uids;
+  new->gids = gids;
+  new->hook = 0;
+
+  return 0;
+}
+
+#define E(err_)				\
+	do {				\
+	  error_t err = err_;		\
+	  if (err)			\
+	    {				\
+	      *user = 0;		\
+	      if (! uids)		\
+		return err;		\
+	      idvec_free (uids);	\
+	      if (! gids)		\
+		return err;		\
+	      idvec_free (gids);	\
+		return err;		\
+	    }				\
+	  } while (0)
+
+error_t
+iohelp_create_empty_iouser (struct iouser **user)
+{
+  struct idvec *uids, *gids;
+
+  uids = make_idvec ();
+  if (! uids)
+    E (ENOMEM);
+
+  gids = make_idvec ();
+  if (! gids)
+    E (ENOMEM);
+
+  E (iohelp_create_iouser (user, uids, gids));
+
+  return 0;
+}
+
+error_t
+iohelp_create_simple_iouser (struct iouser **user, uid_t uid, gid_t gid)
+{
+  struct idvec *uids, *gids;
+
+  uids = make_idvec ();
+  if (! uids)
+    E (ENOMEM);
+
+  gids = make_idvec ();
+  if (! gids)
+    E (ENOMEM);
+
+  E (idvec_add (uids, uid));
+  E (idvec_add (gids, gid));
+
+  E (iohelp_create_iouser (user, uids, gids));
+
+  return 0;
+}
+
+error_t
+iohelp_create_complex_iouser (struct iouser **user,
+			      const uid_t *uvec, int nuids,
+			      const gid_t *gvec, int ngids)
+{
+  struct idvec *uids, *gids;
+
+  uids = make_idvec ();
+  if (! uids)
+    E (ENOMEM);
+
+  gids = make_idvec ();
+  if (! gids)
+    E (ENOMEM);
+
+  E (idvec_set_ids (uids, uvec, nuids));
+  E (idvec_set_ids (gids, gvec, ngids));
+
+  E (iohelp_create_iouser (user, uids, gids));
+
+  return 0;
+}