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71400e8045
and associated types. Aka posix dirent.h abstraction. Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
134 lines
3.4 KiB
C++
134 lines
3.4 KiB
C++
/* Copyright (C) 2026 Wildfire Games.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Unix implementation of wchar_t versions of POSIX filesystem functions
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*/
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#include "precompiled.h"
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#include "lib/sysdep/filesystem.h"
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#include "lib/code_annotation.h"
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#include "lib/debug.h"
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#include "lib/os_path.h"
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#include "lib/posix/posix_filesystem.h"
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#include "lib/posix/posix_types.h"
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#include "lib/secure_crt.h"
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#include "lib/sysdep/os.h"
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#include <climits>
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#include <cstdio>
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#include <cstdlib>
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#include <fcntl.h>
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#include <string>
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#if OS_ANDROID
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// The Crystax NDK seems to do weird things with opendir etc.
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// To avoid that, load the symbols directly from the real libc
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// and use them instead.
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#include <dlfcn.h>
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static void* libc;
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static DIR* (*libc_opendir)(const char*);
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static dirent* (*libc_readdir)(DIR*);
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static int (*libc_closedir)(DIR*);
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void init_libc()
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{
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if (libc)
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return;
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libc = dlopen("/system/lib/libc.so", RTLD_LAZY);
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ENSURE(libc);
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libc_opendir = (DIR*(*)(const char*))dlsym(libc, "opendir");
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libc_readdir = (dirent*(*)(DIR*))dlsym(libc, "readdir");
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libc_closedir = (int(*)(DIR*))dlsym(libc, "closedir");
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ENSURE(libc_opendir && libc_readdir && libc_closedir);
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}
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#define opendir libc_opendir
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#define readdir libc_readdir
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#define closedir libc_closedir
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#else
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void init_libc() { }
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#endif
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int wopen(const OsPath& pathname, int oflag)
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{
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ENSURE(!(oflag & O_CREAT));
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return open(OsString(pathname).c_str(), oflag);
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}
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int wopen(const OsPath& pathname, int oflag, mode_t mode)
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{
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return open(OsString(pathname).c_str(), oflag, mode);
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}
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int wclose(int fd)
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{
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return close(fd);
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}
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int wtruncate(const OsPath& pathname, off_t length)
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{
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return truncate(OsString(pathname).c_str(), length);
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}
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int wunlink(const OsPath& pathname)
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{
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return unlink(OsString(pathname).c_str());
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}
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int wrmdir(const OsPath& path)
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{
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return rmdir(OsString(path).c_str());
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}
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int wrename(const OsPath& pathnameOld, const OsPath& pathnameNew)
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{
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return rename(OsString(pathnameOld).c_str(), OsString(pathnameNew).c_str());
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}
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OsPath wrealpath(const OsPath& pathname)
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{
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char resolvedBuf[PATH_MAX];
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const char* resolved = realpath(OsString(pathname).c_str(), resolvedBuf);
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if(!resolved)
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return OsPath();
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return resolved;
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}
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int wstat(const OsPath& pathname, struct stat* buf)
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{
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return stat(OsString(pathname).c_str(), buf);
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}
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int wmkdir(const OsPath& path, mode_t mode)
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{
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return mkdir(OsString(path).c_str(), mode);
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}
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