package An official xmake package repository
https://xrepo.xmake.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
2.6 KiB
96 lines
2.6 KiB
3 years ago
|
/*
|
||
|
|
* Copyright (C) 2010 The Android Open Source Project
|
||
|
|
*
|
||
|
|
* 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 __LIB_UTILS_COMPAT_H
|
||
|
|
#define __LIB_UTILS_COMPAT_H
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
#if !defined(__MINGW32__)
|
||
|
|
#include <sys/mman.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(__APPLE__)
|
||
|
|
|
||
|
|
/* Mac OS has always had a 64-bit off_t, so it doesn't have off64_t. */
|
||
|
|
static_assert(sizeof(off_t) >= 8, "This code requires that Mac OS have at least a 64-bit off_t.");
|
||
|
|
typedef off_t off64_t;
|
||
|
|
|
||
|
|
static inline void* mmap64(void* addr, size_t length, int prot, int flags, int fd, off64_t offset) {
|
||
|
|
return mmap(addr, length, prot, flags, fd, offset);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline off64_t lseek64(int fd, off64_t offset, int whence) {
|
||
|
|
return lseek(fd, offset, whence);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline ssize_t pread64(int fd, void* buf, size_t nbytes, off64_t offset) {
|
||
|
|
return pread(fd, buf, nbytes, offset);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline ssize_t pwrite64(int fd, const void* buf, size_t nbytes, off64_t offset) {
|
||
|
|
return pwrite(fd, buf, nbytes, offset);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int ftruncate64(int fd, off64_t length) {
|
||
|
|
return ftruncate(fd, length);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __APPLE__ */
|
||
|
|
|
||
|
|
#if defined(_WIN32)
|
||
|
|
#define O_CLOEXEC O_NOINHERIT
|
||
|
|
#define O_NOFOLLOW 0
|
||
|
|
#define DEFFILEMODE 0666
|
||
|
|
#endif /* _WIN32 */
|
||
|
|
|
||
|
|
#define ZD "%zd"
|
||
|
|
#define ZD_TYPE ssize_t
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Needed for cases where something should be constexpr if possible, but not
|
||
|
|
* being constexpr is fine if in pre-C++11 code (such as a const static float
|
||
|
|
* member variable).
|
||
|
|
*/
|
||
|
|
#if __cplusplus >= 201103L
|
||
|
|
#define CONSTEXPR constexpr
|
||
|
|
#else
|
||
|
|
#define CONSTEXPR
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* TEMP_FAILURE_RETRY is defined by some, but not all, versions of
|
||
|
|
* <unistd.h>. (Alas, it is not as standard as we'd hoped!) So, if it's
|
||
|
|
* not already defined, then define it here.
|
||
|
|
*/
|
||
|
|
#ifndef TEMP_FAILURE_RETRY
|
||
|
|
/* Used to retry syscalls that can return EINTR. */
|
||
|
|
#define TEMP_FAILURE_RETRY(exp) ({ \
|
||
|
|
decltype (exp) _rc; \
|
||
|
|
do { \
|
||
|
|
_rc = (exp); \
|
||
|
|
} while (_rc == -1 && errno == EINTR); \
|
||
|
|
_rc; })
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(_WIN32)
|
||
|
|
#define OS_PATH_SEPARATOR '\\'
|
||
|
|
#else
|
||
|
|
#define OS_PATH_SEPARATOR '/'
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __LIB_UTILS_COMPAT_H */
|