|
10554
|
1 /* ----------------------------------------------------------------------- *
|
|
|
2 *
|
|
|
3 * Copyright 1996-2017 The NASM Authors - All Rights Reserved
|
|
|
4 * See the file AUTHORS included with the NASM distribution for
|
|
|
5 * the specific copyright holders.
|
|
|
6 *
|
|
|
7 * Redistribution and use in source and binary forms, with or without
|
|
|
8 * modification, are permitted provided that the following
|
|
|
9 * conditions are met:
|
|
|
10 *
|
|
|
11 * * Redistributions of source code must retain the above copyright
|
|
|
12 * notice, this list of conditions and the following disclaimer.
|
|
|
13 * * Redistributions in binary form must reproduce the above
|
|
|
14 * copyright notice, this list of conditions and the following
|
|
|
15 * disclaimer in the documentation and/or other materials provided
|
|
|
16 * with the distribution.
|
|
|
17 *
|
|
|
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
|
|
|
19 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
|
20 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
|
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
|
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
|
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
|
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
|
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
|
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
|
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
|
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
|
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
31 *
|
|
|
32 * ----------------------------------------------------------------------- */
|
|
|
33
|
|
|
34 #ifndef NASMLIB_FILE_H
|
|
|
35 #define NASMLIB_FILE_H
|
|
|
36
|
|
|
37 #include "compiler.h"
|
|
|
38 #include "nasmlib.h"
|
|
|
39 #include "error.h"
|
|
|
40
|
|
|
41 #include <errno.h>
|
|
|
42
|
|
|
43 #ifdef HAVE_FCNTL_H
|
|
|
44 # include <fcntl.h>
|
|
|
45 #endif
|
|
|
46 #ifdef HAVE_SYS_STAT_H
|
|
|
47 # include <sys/stat.h>
|
|
|
48 #endif
|
|
|
49 #ifdef HAVE_IO_H
|
|
|
50 # include <io.h>
|
|
|
51 #endif
|
|
|
52 #ifdef HAVE_UNISTD_H
|
|
|
53 # include <unistd.h>
|
|
|
54 #endif
|
|
|
55 #ifdef HAVE_SYS_MMAN_H
|
|
|
56 # include <sys/mman.h>
|
|
|
57 #endif
|
|
|
58
|
|
|
59 #if !defined(HAVE_FILENO) && defined(HAVE__FILENO)
|
|
|
60 # define HAVE_FILENO 1
|
|
|
61 # define fileno _fileno
|
|
|
62 #endif
|
|
|
63
|
|
|
64 #if !defined(HAVE_ACCESS) && defined(HAVE__ACCESS)
|
|
|
65 # define HAVE_ACCESS 1
|
|
|
66 # define access _access
|
|
|
67 #endif
|
|
|
68 #ifndef R_OK
|
|
|
69 # define R_OK 4 /* Classic Unix constant, same on Windows */
|
|
|
70 #endif
|
|
|
71
|
|
|
72 /* Can we adjust the file size without actually writing all the bytes? */
|
|
|
73 #ifdef HAVE_FILENO /* Useless without fileno() */
|
|
|
74 # ifdef HAVE__CHSIZE_S
|
|
|
75 # define nasm_ftruncate(fd,size) _chsize_s(fd,size)
|
|
|
76 # elif defined(HAVE__CHSIZE)
|
|
|
77 # define nasm_ftruncate(fd,size) _chsize(fd,size)
|
|
|
78 # elif defined(HAVE_FTRUNCATE)
|
|
|
79 # define nasm_ftruncate(fd,size) ftruncate(fd,size)
|
|
|
80 # endif
|
|
|
81 #endif
|
|
|
82
|
|
|
83 /*
|
|
|
84 * On Win32, stat has a 32-bit file size but _stati64 has a 64-bit file
|
|
|
85 * size. However, as "stat" is already a macro, don't confuse the situation
|
|
|
86 * further by redefining it, instead we create our own.
|
|
|
87 */
|
|
|
88 #ifdef HAVE__STATI64
|
|
|
89 # define nasm_stat _stati64
|
|
|
90 #elif defined(HAVE_STAT)
|
|
|
91 # define nasm_stat stat
|
|
|
92 #endif
|
|
|
93
|
|
|
94 #ifdef HAVE_FILENO
|
|
|
95 # ifdef HAVE__FSTATI64
|
|
|
96 # define nasm_fstat _fstati64
|
|
|
97 # elif defined(HAVE_FSTAT)
|
|
|
98 # define nasm_fstat fstat
|
|
|
99 # endif
|
|
|
100 #endif
|
|
|
101
|
|
|
102 #endif /* NASMLIB_FILE_H */
|
