blob: 5e017397fabd855e579d73d6a50ee0a9e6fb972e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
// Copyright 2018 The Bazel Authors. All rights reserved.
//
// Licensed 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.
#ifndef BAZEL_SRC_TOOLS_SINGLEJAR_PORT_H_
#define BAZEL_SRC_TOOLS_SINGLEJAR_PORT_H_ 1
#ifdef _WIN32
// This macro is required to tell MSVC headers to also define POSIX names
// without "_" prefix (such as "open" for "_open").
#define _CRT_DECLARE_NONSTDC_NAMES 1
#include <fcntl.h>
#include <io.h>
#endif // _WIN32
#include <stddef.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#if defined(__APPLE__)
typedef off_t off64_t;
#elif defined(_WIN32)
typedef __int64 off64_t;
#endif
static_assert(sizeof(off64_t) == 8, "File offset type must be 64-bit");
#ifdef _WIN32
#define F_OK 0
#ifdef _WIN64
// MSVC by default defines stat and related functions to a version with 32-bit
// st_size even for Win64. We want 64-bit st_size instead so that we can handle
// large file.
#undef stat
#undef fstat
#define stat _stat64
#define fstat _fstat64
#endif // _WIN64
typedef ptrdiff_t ssize_t;
// Various MSVC polyfills for POSIX functions.
inline tm* localtime_r(const time_t* tin, tm* tout) {
if (!localtime_s(tout, tin)) return tout;
return nullptr;
}
// Make sure that the file HANDLE associated with |fd| is created by CreateFile
// with FILE_FLAG_OVERLAPPED flag for this function to work.
ssize_t pread(int fd, void* buf, size_t count, off64_t offset);
#endif // _WIN32
#endif // BAZEL_SRC_TOOLS_SINGLEJAR_PORT_H_
|
