njn | eb8896b | 2005-06-04 20:03:55 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- File/socket-related libc stuff. pub_core_libcfile.h ---*/ |
| 4 | /*--------------------------------------------------------------------*/ |
| 5 | |
| 6 | /* |
| 7 | This file is part of Valgrind, a dynamic binary instrumentation |
| 8 | framework. |
| 9 | |
sewardj | 4d474d0 | 2008-02-11 11:34:59 +0000 | [diff] [blame] | 10 | Copyright (C) 2000-2008 Julian Seward |
njn | eb8896b | 2005-06-04 20:03:55 +0000 | [diff] [blame] | 11 | jseward@acm.org |
| 12 | |
| 13 | This program is free software; you can redistribute it and/or |
| 14 | modify it under the terms of the GNU General Public License as |
| 15 | published by the Free Software Foundation; either version 2 of the |
| 16 | License, or (at your option) any later version. |
| 17 | |
| 18 | This program is distributed in the hope that it will be useful, but |
| 19 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 21 | General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 26 | 02111-1307, USA. |
| 27 | |
| 28 | The GNU General Public License is contained in the file COPYING. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __PUB_CORE_LIBCFILE_H |
| 32 | #define __PUB_CORE_LIBCFILE_H |
| 33 | |
| 34 | //-------------------------------------------------------------------- |
| 35 | // PURPOSE: This module contains all the libc code that relates to |
| 36 | // files and sockets: opening, reading, writing, etc. |
sewardj | 9a66bb9 | 2006-10-17 01:38:13 +0000 | [diff] [blame] | 37 | // To use, you must first include: pub_core_vki.h |
njn | eb8896b | 2005-06-04 20:03:55 +0000 | [diff] [blame] | 38 | //-------------------------------------------------------------------- |
| 39 | |
| 40 | #include "pub_tool_libcfile.h" |
| 41 | |
njn | eb8896b | 2005-06-04 20:03:55 +0000 | [diff] [blame] | 42 | /* Move an fd into the Valgrind-safe range */ |
njn | 327fe8a | 2005-06-12 02:49:35 +0000 | [diff] [blame] | 43 | extern Int VG_(safe_fd) ( Int oldfd ); |
| 44 | extern Int VG_(fcntl) ( Int fd, Int cmd, Int arg ); |
njn | eb8896b | 2005-06-04 20:03:55 +0000 | [diff] [blame] | 45 | |
njn | ae7359b | 2005-06-19 21:10:42 +0000 | [diff] [blame] | 46 | /* Convert an fd into a filename */ |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 47 | extern Bool VG_(resolve_filename) ( Int fd, HChar* buf, Int n_buf ); |
njn | ae7359b | 2005-06-19 21:10:42 +0000 | [diff] [blame] | 48 | |
sewardj | ec61b65 | 2008-08-19 07:03:04 +0000 | [diff] [blame] | 49 | /* Return the size of a file, or -1 in case of error */ |
| 50 | extern Long VG_(fsize) ( Int fd ); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 51 | |
njn | 7375061 | 2005-10-14 03:11:30 +0000 | [diff] [blame] | 52 | /* Is the file a directory? */ |
| 53 | extern Bool VG_(is_dir) ( HChar* f ); |
| 54 | |
njn | e38e233 | 2005-06-18 04:13:54 +0000 | [diff] [blame] | 55 | /* Default destination port to be used in logging over a network, if |
| 56 | none specified. */ |
| 57 | #define VG_CLO_DEFAULT_LOGPORT 1500 |
| 58 | |
tom | a4a4f41 | 2005-11-17 12:01:56 +0000 | [diff] [blame] | 59 | extern UInt VG_(htonl) ( UInt x ); |
| 60 | extern UInt VG_(ntohl) ( UInt x ); |
| 61 | extern UShort VG_(htons) ( UShort x ); |
| 62 | extern UShort VG_(ntohs) ( UShort x ); |
| 63 | |
njn | eb8896b | 2005-06-04 20:03:55 +0000 | [diff] [blame] | 64 | extern Int VG_(write_socket)( Int sd, void *msg, Int count ); |
| 65 | extern Int VG_(connect_via_socket)( UChar* str ); |
| 66 | extern Int VG_(getsockname) ( Int sd, struct vki_sockaddr *name, Int *namelen ); |
| 67 | extern Int VG_(getpeername) ( Int sd, struct vki_sockaddr *name, Int *namelen ); |
| 68 | extern Int VG_(getsockopt) ( Int sd, Int level, Int optname, void *optval, |
| 69 | Int *optlen ); |
| 70 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 71 | extern Int VG_(access) ( HChar* path, Bool irusr, Bool iwusr, Bool ixusr ); |
| 72 | |
njn | 7375061 | 2005-10-14 03:11:30 +0000 | [diff] [blame] | 73 | /* Is the file executable? Returns: 0 = success, non-0 is failure */ |
sewardj | c74b3ba | 2007-11-17 21:11:57 +0000 | [diff] [blame] | 74 | extern Int VG_(check_executable)(/*OUT*/Bool* is_setuid, |
| 75 | HChar* f, Bool allow_setuid); |
njn | 7375061 | 2005-10-14 03:11:30 +0000 | [diff] [blame] | 76 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 77 | extern SysRes VG_(pread) ( Int fd, void* buf, Int count, Int offset ); |
| 78 | |
| 79 | /* Create and open (-rw------) a tmp file name incorporating said arg. |
| 80 | Returns -1 on failure, else the fd of the file. If fullname is |
| 81 | non-NULL, the file's name is written into it. The number of bytes |
| 82 | written is guaranteed not to exceed 64+strlen(part_of_name). */ |
| 83 | extern Int VG_(mkstemp) ( HChar* part_of_name, /*OUT*/HChar* fullname ); |
| 84 | |
sewardj | 198f34f | 2007-07-09 23:13:07 +0000 | [diff] [blame] | 85 | /* Record the process' working directory at startup. Is intended to |
| 86 | be called exactly once, at startup, before the working directory |
| 87 | changes. Return True for success, False for failure, so that the |
| 88 | caller can bomb out suitably without creating module cycles if |
| 89 | there is a problem. The saved value can later be acquired by |
| 90 | calling VG_(get_startup_wd) (in pub_tool_libcfile.h). */ |
| 91 | extern Bool VG_(record_startup_wd) ( void ); |
| 92 | |
njn | eb8896b | 2005-06-04 20:03:55 +0000 | [diff] [blame] | 93 | #endif // __PUB_CORE_LIBCFILE_H |
| 94 | |
| 95 | /*--------------------------------------------------------------------*/ |
| 96 | /*--- end ---*/ |
| 97 | /*--------------------------------------------------------------------*/ |