basekernel/kernel/is_valid.h

36 lines
973 B
C

/*
Copyright (C) 2016-2019 The University of Notre Dame
This software is distributed under the GNU General Public License.
See the file LICENSE for details.
*/
#ifndef IS_VALID_H
#define IS_VALID_H
#include "kobject.h"
// Does this string comprise a valid path?
int is_valid_path(const char *s);
// Does this string comprise a valid tag?
int is_valid_tag(const char *s);
// Does this string point to a valid resource (i.e. is it a legitimate
// tag-path concatenation)?
int is_valid_location(const char *s);
// Return true if file desciptor is in range and refers to a live object.
int is_valid_object( int fd );
// Return true if fd valid and object is also of indicated type.
int is_valid_object_type( int fd, kobject_type_t type );
// Return true if (ptr,length) describes a valid area in user space.
int is_valid_pointer( void *ptr, int length );
// Return true if string points to a valid area in user space.
int is_valid_string( const char *str );
#endif