incubator-nuttx/libs/libc/builtin/lib_builtin_getuid.c

64 lines
2.1 KiB
C

/****************************************************************************
* libs/libc/builtin/lib_builtin_getuid.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/lib/builtin.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: builtin_getuid
*
* Description:
* Returns file uid of the application at 'index' in the table
* of built-in applications.
*
* Input Parameters:
* index - From 0 and on ...
*
* Returned Value:
* Returns valid uid for app if index is valid.
* Otherwise 0 is returned.
*
****************************************************************************/
uid_t builtin_getuid(int index)
{
FAR const struct builtin_s *builtin;
builtin = builtin_for_index(index);
if (builtin != NULL)
{
return builtin->uid;
}
/* Return user identity 'root' with a uid value of 0. */
return 0;
}