diff --git a/xbmc/cores/DllLoader/exports/emu_msvcrt.cpp b/xbmc/cores/DllLoader/exports/emu_msvcrt.cpp index ab14942..cf9d73d 100644 --- a/xbmc/cores/DllLoader/exports/emu_msvcrt.cpp +++ b/xbmc/cores/DllLoader/exports/emu_msvcrt.cpp @@ -51,6 +51,7 @@ #include #include #include +#include #ifdef TARGET_POSIX #include "PlatformDefs.h" // for __stat64 #include "XFileUtils.h" @@ -476,13 +477,10 @@ extern "C" EmuFileObject* o = g_emuFileWrapper.GetFileObjectByDescriptor(fd); if (o) { - if(!o->used) - return NULL; - int nmode = convert_fmode(mode); if( (o->mode & nmode) != nmode) CLog::Log(LOGWARNING, "dll_fdopen - mode 0x%x differs from fd mode 0x%x", nmode, o->mode); - return &o->file_emu; + return g_emuFileWrapper.GetStreamByFileObject(o); } else if (!IS_STD_DESCRIPTOR(fd)) { @@ -545,7 +543,7 @@ extern "C" return -1; } object->mode = iMode; - return g_emuFileWrapper.GetDescriptorByStream(&object->file_emu); + return g_emuFileWrapper.GetDescriptorByFileObject(object); } delete pFile; return -1; @@ -1214,8 +1212,8 @@ extern "C" { FILE* file = NULL; #if defined(TARGET_LINUX) && !defined(TARGET_ANDROID) - if (strcmp(filename, MOUNTED) == 0 - || strcmp(filename, MNTTAB) == 0) + if (strcmp(filename, _PATH_MOUNTED) == 0 + || strcmp(filename, _PATH_MNTTAB) == 0) { CLog::Log(LOGINFO, "%s - something opened the mount file, let's hope it knows what it's doing", __FUNCTION__); return fopen(filename, mode); @@ -1622,7 +1620,7 @@ extern "C" int ret; ret = dll_fgetpos64(stream, &tmpPos); -#if !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) +#if !defined(__GLIBC__) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) *pos = (fpos_t)tmpPos; #else pos->__pos = (off_t)tmpPos.__pos; @@ -1635,8 +1633,9 @@ extern "C" CFile* pFile = g_emuFileWrapper.GetFileXbmcByStream(stream); if (pFile != NULL) { -#if !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) - *pos = pFile->GetPosition(); +#if !defined(__GLIBC__) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) + uint64_t *ppos = (uint64_t *) pos; + *ppos = pFile->GetPosition(); #else pos->__pos = pFile->GetPosition(); #endif @@ -1657,8 +1656,9 @@ extern "C" int fd = g_emuFileWrapper.GetDescriptorByStream(stream); if (fd >= 0) { -#if !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) - if (dll_lseeki64(fd, *pos, SEEK_SET) >= 0) +#if !defined(__GLIBC__) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) + const uint64_t *ppos = (const uint64_t *) pos; + if (dll_lseeki64(fd, *ppos, SEEK_SET) >= 0) #else if (dll_lseeki64(fd, (__off64_t)pos->__pos, SEEK_SET) >= 0) #endif @@ -1674,7 +1674,7 @@ extern "C" { // it might be something else than a file, or the file is not emulated // let the operating system handle it -#if !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) +#if !defined(__GLIBC__) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) return fsetpos(stream, pos); #else return fsetpos64(stream, pos); @@ -1690,7 +1690,7 @@ extern "C" if (fd >= 0) { fpos64_t tmpPos; -#if !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) +#if !defined(__GLIBC__) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) tmpPos= *pos; #else tmpPos.__pos = (off64_t)(pos->__pos); diff --git a/xbmc/cores/DllLoader/exports/emu_msvcrt.h b/xbmc/cores/DllLoader/exports/emu_msvcrt.h index 3294d9a..3ce8b24 100644 --- a/xbmc/cores/DllLoader/exports/emu_msvcrt.h +++ b/xbmc/cores/DllLoader/exports/emu_msvcrt.h @@ -24,7 +24,7 @@ #define _onexit_t void* #endif -#if defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) +#if defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) || !defined(__GLIBC__) typedef off_t __off_t; typedef int64_t off64_t; typedef off64_t __off64_t; diff --git a/xbmc/cores/DllLoader/exports/util/EmuFileWrapper.cpp b/xbmc/cores/DllLoader/exports/util/EmuFileWrapper.cpp index 8927d41..0e78707 100644 --- a/xbmc/cores/DllLoader/exports/util/EmuFileWrapper.cpp +++ b/xbmc/cores/DllLoader/exports/util/EmuFileWrapper.cpp @@ -53,15 +53,7 @@ constexpr bool isValidFilePtr(FILE* f) CEmuFileWrapper::CEmuFileWrapper() { // since we always use dlls we might just initialize it directly - for (int i = 0; i < MAX_EMULATED_FILES; i++) - { - memset(&m_files[i], 0, sizeof(EmuFileObject)); - m_files[i].used = false; -#if defined(TARGET_WINDOWS) && (_MSC_VER >= 1900) - m_files[i].file_emu._Placeholder = new kodi_iobuf(); -#endif - FileDescriptor(m_files[i].file_emu)->_file = -1; - } + memset(m_files, 0, sizeof(m_files)); } CEmuFileWrapper::~CEmuFileWrapper() @@ -73,29 +65,7 @@ void CEmuFileWrapper::CleanUp() { CSingleLock lock(m_criticalSection); for (int i = 0; i < MAX_EMULATED_FILES; i++) - { - if (m_files[i].used) - { - m_files[i].file_xbmc->Close(); - delete m_files[i].file_xbmc; - - if (m_files[i].file_lock) - { - delete m_files[i].file_lock; - m_files[i].file_lock = nullptr; - } -#if !defined(TARGET_WINDOWS) - //Don't memset on Windows as it overwrites our pointer - memset(&m_files[i], 0, sizeof(EmuFileObject)); -#endif - m_files[i].used = false; - FileDescriptor(m_files[i].file_emu)->_file = -1; - } -#if defined(TARGET_WINDOWS) && (_MSC_VER >= 1900) - delete static_cast(m_files[i].file_emu._Placeholder); - m_files[i].file_emu._Placeholder = nullptr; -#endif - } + UnRegisterFileObject(&m_files[i], true); } EmuFileObject* CEmuFileWrapper::RegisterFileObject(XFILE::CFile* pFile) @@ -106,13 +76,11 @@ EmuFileObject* CEmuFileWrapper::RegisterFileObject(XFILE::CFile* pFile) for (int i = 0; i < MAX_EMULATED_FILES; i++) { - if (!m_files[i].used) + if (!m_files[i].file_xbmc) { // found a free location object = &m_files[i]; - object->used = true; object->file_xbmc = pFile; - FileDescriptor(object->file_emu)->_file = (i + FILE_WRAPPER_OFFSET); object->file_lock = new CCriticalSection(); break; } @@ -121,82 +89,70 @@ EmuFileObject* CEmuFileWrapper::RegisterFileObject(XFILE::CFile* pFile) return object; } -void CEmuFileWrapper::UnRegisterFileObjectByDescriptor(int fd) +void CEmuFileWrapper::UnRegisterFileObject(EmuFileObject *object, bool free_file) { - int i = fd - FILE_WRAPPER_OFFSET; - if (! (i >= 0 && i < MAX_EMULATED_FILES)) + if (! (object && object->file_xbmc)) return; - if (!m_files[i].used) - return; - - CSingleLock lock(m_criticalSection); - - // we assume the emulated function alreay deleted the CFile object - if (m_files[i].file_lock) + if (object->file_xbmc && free_file) { - delete m_files[i].file_lock; - m_files[i].file_lock = nullptr; + CSingleLock lock(m_criticalSection); + + object->file_xbmc->Close(); + delete object->file_xbmc; } -#if !defined(TARGET_WINDOWS) - //Don't memset on Windows as it overwrites our pointer - memset(&m_files[i], 0, sizeof(EmuFileObject)); -#endif - m_files[i].used = false; - FileDescriptor(m_files[i].file_emu)->_file = -1; + if (object->file_lock) + delete object->file_lock; + + memset(object, 0, sizeof(*object)); +} + +void CEmuFileWrapper::UnRegisterFileObjectByDescriptor(int fd) +{ + CSingleLock lock(m_criticalSection); + UnRegisterFileObject(GetFileObjectByDescriptor(fd), false); } void CEmuFileWrapper::UnRegisterFileObjectByStream(FILE* stream) { - if (isValidFilePtr(stream)) - { - return UnRegisterFileObjectByDescriptor(FileDescriptor(*stream)->_file); - } + CSingleLock lock(m_criticalSection); + UnRegisterFileObject(GetFileObjectByStream(stream), false); } void CEmuFileWrapper::LockFileObjectByDescriptor(int fd) { - int i = fd - FILE_WRAPPER_OFFSET; - if (i >= 0 && i < MAX_EMULATED_FILES) + EmuFileObject* object = GetFileObjectByDescriptor(fd); + if (object && object->file_xbmc) { - if (m_files[i].used) - { - m_files[i].file_lock->lock(); - } + object->file_lock->lock(); } } bool CEmuFileWrapper::TryLockFileObjectByDescriptor(int fd) { - int i = fd - FILE_WRAPPER_OFFSET; - if (i >= 0 && i < MAX_EMULATED_FILES) + EmuFileObject* object = GetFileObjectByDescriptor(fd); + if (object && object->file_xbmc) { - if (m_files[i].used) - { - return m_files[i].file_lock->try_lock(); - } + return object->file_lock->try_lock(); } return false; } void CEmuFileWrapper::UnlockFileObjectByDescriptor(int fd) { - int i = fd - FILE_WRAPPER_OFFSET; - if (i >= 0 && i < MAX_EMULATED_FILES) + EmuFileObject* object = GetFileObjectByDescriptor(fd); + if (object && object->file_xbmc) { - if (m_files[i].used) - { - m_files[i].file_lock->unlock(); - } + object->file_lock->unlock(); } } EmuFileObject* CEmuFileWrapper::GetFileObjectByDescriptor(int fd) { - int i = fd - FILE_WRAPPER_OFFSET; + int i = fd - 0x7000000; if (i >= 0 && i < MAX_EMULATED_FILES) { - if (m_files[i].used) + if (m_files[i].file_xbmc) { return &m_files[i]; } @@ -204,20 +160,38 @@ EmuFileObject* CEmuFileWrapper::GetFileObjectByDescriptor(int fd) return nullptr; } -EmuFileObject* CEmuFileWrapper::GetFileObjectByStream(FILE* stream) +int CEmuFileWrapper::GetDescriptorByFileObject(EmuFileObject *object) { - if (isValidFilePtr(stream)) + int i = object - m_files; + if (i >= 0 && i < MAX_EMULATED_FILES) { - return GetFileObjectByDescriptor(FileDescriptor(*stream)->_file); + return 0x7000000 + i; } + return -1; +} +EmuFileObject* CEmuFileWrapper::GetFileObjectByStream(FILE* stream) +{ + EmuFileObject *object = (EmuFileObject*) stream; + if (object >= &m_files[0] || object < &m_files[MAX_EMULATED_FILES]) + { + if (object->file_xbmc) + { + return object; + } + } return nullptr; } +FILE* CEmuFileWrapper::GetStreamByFileObject(EmuFileObject *object) +{ + return (FILE*) object; +} + XFILE::CFile* CEmuFileWrapper::GetFileXbmcByDescriptor(int fd) { auto object = GetFileObjectByDescriptor(fd); - if (object != nullptr && object->used) + if (object != nullptr) { return object->file_xbmc; } @@ -228,8 +202,8 @@ XFILE::CFile* CEmuFileWrapper::GetFileXbmcByStream(FILE* stream) { if (isValidFilePtr(stream)) { - auto object = GetFileObjectByDescriptor(FileDescriptor(*stream)->_file); - if (object != nullptr && object->used) + auto object = GetFileObjectByStream(stream); + if (object != nullptr) { return object->file_xbmc; } @@ -239,32 +213,25 @@ XFILE::CFile* CEmuFileWrapper::GetFileXbmcByStream(FILE* stream) int CEmuFileWrapper::GetDescriptorByStream(FILE* stream) { - if (isValidFilePtr(stream)) - { - int i = FileDescriptor(*stream)->_file - FILE_WRAPPER_OFFSET; - if (i >= 0 && i < MAX_EMULATED_FILES) - { - return i + FILE_WRAPPER_OFFSET; - } - } - return -1; + return GetDescriptorByFileObject(GetFileObjectByStream(stream)); } FILE* CEmuFileWrapper::GetStreamByDescriptor(int fd) { - auto object = GetFileObjectByDescriptor(fd); - if (object != nullptr && object->used) - { - return &object->file_emu; - } - return nullptr; + return GetStreamByFileObject(GetFileObjectByDescriptor(fd)); } bool CEmuFileWrapper::StreamIsEmulatedFile(FILE* stream) { if (isValidFilePtr(stream)) { - return DescriptorIsEmulatedFile(FileDescriptor(*stream)->_file); + return DescriptorIsEmulatedFile(GetDescriptorByStream(stream)); } return false; } + +bool CEmuFileWrapper::DescriptorIsEmulatedFile(int fd) +{ + return GetFileObjectByDescriptor(fd) != NULL; +} + diff --git a/xbmc/cores/DllLoader/exports/util/EmuFileWrapper.h b/xbmc/cores/DllLoader/exports/util/EmuFileWrapper.h index 786fa85..311a5cf 100644 --- a/xbmc/cores/DllLoader/exports/util/EmuFileWrapper.h +++ b/xbmc/cores/DllLoader/exports/util/EmuFileWrapper.h @@ -25,14 +25,14 @@ #include "system.h" #include "threads/CriticalSection.h" -#if defined(TARGET_POSIX) && !defined(TARGET_DARWIN) && !defined(TARGET_FREEBSD) && !defined(TARGET_ANDROID) && !defined(__UCLIBC__) -#define _file _fileno -#elif defined(__UCLIBC__) -#define _file __filedes -#endif +//#if defined(TARGET_POSIX) && !defined(TARGET_DARWIN) && !defined(TARGET_FREEBSD) && !defined(TARGET_ANDROID) && !defined(__UCLIBC__) +//#define _file _fileno +//#elif defined(__UCLIBC__) +//#define _file __filedes +//#endif #define MAX_EMULATED_FILES 50 -#define FILE_WRAPPER_OFFSET 0x00000200 +//#define FILE_WRAPPER_OFFSET 0x00000200 namespace XFILE { @@ -47,12 +47,9 @@ struct kodi_iobuf { typedef struct stEmuFileObject { - FILE file_emu; XFILE::CFile* file_xbmc; CCriticalSection *file_lock; int mode; - //Stick this last to avoid 3-7 bytes of padding - bool used; } EmuFileObject; class CEmuFileWrapper @@ -67,22 +64,22 @@ public: void CleanUp(); EmuFileObject* RegisterFileObject(XFILE::CFile* pFile); + void UnRegisterFileObject(EmuFileObject*, bool free_file); void UnRegisterFileObjectByDescriptor(int fd); void UnRegisterFileObjectByStream(FILE* stream); void LockFileObjectByDescriptor(int fd); bool TryLockFileObjectByDescriptor(int fd); void UnlockFileObjectByDescriptor(int fd); EmuFileObject* GetFileObjectByDescriptor(int fd); + int GetDescriptorByFileObject(EmuFileObject*); EmuFileObject* GetFileObjectByStream(FILE* stream); + FILE* GetStreamByFileObject(EmuFileObject*); XFILE::CFile* GetFileXbmcByDescriptor(int fd); XFILE::CFile* GetFileXbmcByStream(FILE* stream); - static int GetDescriptorByStream(FILE* stream); + int GetDescriptorByStream(FILE* stream); FILE* GetStreamByDescriptor(int fd); - static constexpr bool DescriptorIsEmulatedFile(int fd) - { - return fd >= FILE_WRAPPER_OFFSET && fd < FILE_WRAPPER_OFFSET + MAX_EMULATED_FILES; - } - static bool StreamIsEmulatedFile(FILE* stream); + bool DescriptorIsEmulatedFile(int fd); + bool StreamIsEmulatedFile(FILE* stream); private: EmuFileObject m_files[MAX_EMULATED_FILES]; CCriticalSection m_criticalSection; diff --git a/xbmc/cores/DllLoader/exports/wrapper.c b/xbmc/cores/DllLoader/exports/wrapper.c index e363662..4498c27 100644 --- a/xbmc/cores/DllLoader/exports/wrapper.c +++ b/xbmc/cores/DllLoader/exports/wrapper.c @@ -39,7 +39,7 @@ #endif #include -#if defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) +#if defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID) || !defined(__GLIBC__) typedef off_t __off_t; typedef int64_t off64_t; typedef off64_t __off64_t;