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Diffstat (limited to 'REORG.TODO/sysdeps/mach/hurd/getlogin_r.c')
-rw-r--r--REORG.TODO/sysdeps/mach/hurd/getlogin_r.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/getlogin_r.c b/REORG.TODO/sysdeps/mach/hurd/getlogin_r.c
new file mode 100644
index 0000000000..e11e05b216
--- /dev/null
+++ b/REORG.TODO/sysdeps/mach/hurd/getlogin_r.c
@@ -0,0 +1,48 @@
+/* Reentrant function to return the current login name.  Hurd version.
+   Copyright (C) 1996-2017 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 <unistd.h>
+#include <hurd.h>
+#include <string.h>
+
+/* Return at most NAME_LEN characters of the login name of the user in NAME.
+   If it cannot be determined or some other error occurred, return the error
+   code.  Otherwise return 0.  */
+int
+__getlogin_r (char *name, size_t name_len)
+{
+  string_t login;
+  error_t err;
+
+  if (err = __USEPORT (PROC, __proc_getlogin (port, login)))
+    return errno = err;
+
+  size_t len = __strnlen (login, sizeof login - 1) + 1;
+  if (len > name_len)
+    {
+      errno = ERANGE;
+      return errno;
+    }
+
+  memcpy (name, login, len);
+  return 0;
+}
+libc_hidden_def (__getlogin_r)
+weak_alias (__getlogin_r, getlogin_r)
+libc_hidden_weak (getlogin_r)