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/*--- File/socket-related libc stuff. pub_core_libcfile.h ---*/
This file is part of Valgrind, a dynamic binary instrumentation
Copyright (C) 2000-2013 Julian Seward
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 of the
License, 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
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., 59 Temple Place, Suite 330, Boston, MA
02111-1307, USA.
The GNU General Public License is contained in the file COPYING.
// PURPOSE: This module contains all the libc code that relates to
// files and sockets: opening, reading, writing, etc.
// To use, you must first include: pub_core_vki.h
#include "pub_tool_libcfile.h"
/* Move an fd into the Valgrind-safe range */
extern Int VG_(safe_fd) ( Int oldfd );
extern Int VG_(fcntl) ( Int fd, Int cmd, Addr arg );
/* Convert an fd into a filename */
extern Bool VG_(resolve_filename) ( Int fd, const HChar** buf );
/* Return the size of a file, or -1 in case of error */
extern Long VG_(fsize) ( Int fd );
/* Lookup an extended attribute for a file */
extern SysRes VG_(getxattr) ( const HChar* file_name, const HChar* attr_name,
Addr attr_value, SizeT attr_value_len );
/* Is the file a directory? */
extern Bool VG_(is_dir) ( const HChar* f );
/* Default destination port to be used in logging over a network, if
none specified. */
extern Int VG_(connect_via_socket)( const HChar* str );
extern UInt VG_(htonl) ( UInt x );
extern UInt VG_(ntohl) ( UInt x );
extern UShort VG_(htons) ( UShort x );
extern UShort VG_(ntohs) ( UShort x );
extern Int VG_(socket) ( Int domain, Int type, Int protocol );
extern Int VG_(write_socket)( Int sd, const void *msg, Int count );
extern Int VG_(getsockname) ( Int sd, struct vki_sockaddr *name, Int *namelen );
extern Int VG_(getpeername) ( Int sd, struct vki_sockaddr *name, Int *namelen );
extern Int VG_(getsockopt) ( Int sd, Int level, Int optname,
void *optval, Int *optlen );
extern Int VG_(setsockopt) ( Int sd, Int level, Int optname,
void *optval, Int optlen );
extern Int VG_(access) ( const HChar* path, Bool irusr, Bool iwusr,
Bool ixusr );
/* Is the file executable? Returns: 0 = success, non-0 is failure */
extern Int VG_(check_executable)(/*OUT*/Bool* is_setuid,
const HChar* f, Bool allow_setuid);
/* DDD: Note this moves (or at least, is believed to move) the file
pointer on Linux but doesn't on Darwin. This inconsistency should
be fixed. (In other words, why isn't the Linux version implemented
in terms of pread()?) */
extern SysRes VG_(pread) ( Int fd, void* buf, Int count, OffT offset );
/* Size of fullname buffer needed for a call to VG_(mkstemp) with
part_of_name having the given part_of_name_len. */
extern SizeT VG_(mkstemp_fullname_bufsz) ( SizeT part_of_name_len );
/* Create and open (-rw------) a tmp file name incorporating said arg.
Returns -1 on failure, else the fd of the file. The file name is
written to the memory pointed to be fullname. The number of bytes written
is equal to VG_(mkstemp_fullname_bufsz)(VG_(strlen)(part_of_name)). */
extern Int VG_(mkstemp) ( const HChar* part_of_name, /*OUT*/HChar* fullname );
/* Record the process' working directory at startup. Is intended to
be called exactly once, at startup, before the working directory
changes. Return True for success, False for failure, so that the
caller can bomb out suitably without creating module cycles if
there is a problem. The saved value can later be acquired by
calling VG_(get_startup_wd) (in pub_tool_libcfile.h). */
extern Bool VG_(record_startup_wd) ( void );
/*--- end ---*/