From 4d3c700bf736def3c55f7e03c175e2e43ed3db02 Mon Sep 17 00:00:00 2001 From: Andrei Karas Date: Fri, 10 Feb 2017 21:57:08 +0300 Subject: Rename physfsrwops into virtfsrwops. --- src/utils/physfsrwops.cpp | 316 ---------------------------------------------- 1 file changed, 316 deletions(-) delete mode 100644 src/utils/physfsrwops.cpp (limited to 'src/utils/physfsrwops.cpp') diff --git a/src/utils/physfsrwops.cpp b/src/utils/physfsrwops.cpp deleted file mode 100644 index e642f71aa..000000000 --- a/src/utils/physfsrwops.cpp +++ /dev/null @@ -1,316 +0,0 @@ -/* - * This code provides a glue layer between PhysicsFS and Simple Directmedia - * Layer's (SDL) RWops i/o abstraction. - * - * License: this code is public domain. I make no warranty that it is useful, - * correct, harmless, or environmentally safe. - * - * This particular file may be used however you like, including copying it - * verbatim into a closed-source project, exploiting it commercially, and - * removing any trace of my name from the source (although I hope you won't - * do that). I welcome enhancements and corrections to this file, but I do - * not require you to send me patches if you make changes. This code has - * NO WARRANTY. - * - * Unless otherwise stated, the rest of PhysicsFS falls under the zlib license. - * Please see LICENSE.txt in the root of the source tree. - * - * SDL falls under the LGPL license. You can get SDL at http://www.libsdl.org/ - * - * This file was written by Ryan C. Gordon. (icculus@icculus.org). - * - * Copyright (C) 2012-2017 The ManaPlus Developers - */ - -#include "utils/physfsrwops.h" - -#include "logger.h" - -#include "utils/fuzzer.h" -#include "utils/physfscheckutils.h" - -#include "debug.h" - -#ifdef USE_SDL2 -#define PHYSFSINT int64_t -#define PHYSFSSIZE size_t -#else // USE_SDL2 -#define PHYSFSINT int32_t -#define PHYSFSSIZE int -#endif // USE_SDL2 - -#ifdef DUMP_LEAKED_RESOURCES -static int openedRWops = 0; -#endif // DUMP_LEAKED_RESOURCES - -static PHYSFSINT physfsrwops_seek(SDL_RWops *const rw, const PHYSFSINT offset, - const int whence) -{ - if (!rw) - return -1; - PHYSFS_file *const handle = static_cast( - rw->hidden.unknown.data1); - PHYSFSINT pos = 0; - - if (whence == SEEK_SET) - { - pos = offset; - } /* if */ - else if (whence == SEEK_CUR) - { - const int64_t current = VirtFs::tell(handle); - if (current == -1) - { - logger->assertLog( - "physfsrwops_seek: Can't find position in file: %s", - VirtFs::getLastError()); - return -1; - } /* if */ - - pos = CAST_S32(current); - if (static_cast(pos) != current) - { - logger->assertLog("physfsrwops_seek: " - "Can't fit current file position in an int!"); - return -1; - } /* if */ - - if (offset == 0) /* this is a "tell" call. We're done. */ - return pos; - - pos += offset; - } /* else if */ - else if (whence == SEEK_END) - { - const int64_t len = VirtFs::fileLength(handle); - if (len == -1) - { - logger->assertLog("physfsrwops_seek:Can't find end of file: %s", - VirtFs::getLastError()); - return -1; - } /* if */ - - pos = static_cast(len); - if (static_cast(pos) != len) - { - logger->assertLog("physfsrwops_seek: " - "Can't fit end-of-file position in an int!"); - return -1; - } /* if */ - - pos += offset; - } /* else if */ - else - { - logger->assertLog("physfsrwops_seek: Invalid 'whence' parameter."); - return -1; - } /* else */ - - if (pos < 0) - { - logger->assertLog("physfsrwops_seek: " - "Attempt to seek past start of file."); - return -1; - } /* if */ - - if (!VirtFs::seek(handle, static_cast(pos))) - { - logger->assertLog("physfsrwops_seek: seek error: %s", - VirtFs::getLastError()); - return -1; - } /* if */ - - return pos; -} /* physfsrwops_seek */ - -static PHYSFSSIZE physfsrwops_read(SDL_RWops *const rw, - void *ptr, - const PHYSFSSIZE size, - const PHYSFSSIZE maxnum) -{ - if (!rw) - return 0; - PHYSFS_file *const handle = static_cast( - rw->hidden.unknown.data1); - const int64_t rc = VirtFs::read(handle, ptr, - CAST_U32(size), - CAST_U32(maxnum)); - if (rc != static_cast(maxnum)) - { - if (!VirtFs::eof(handle)) /* not EOF? Must be an error. */ - { - logger->assertLog("physfsrwops_seek: read error: %s", - PHYSFS_getLastError()); - } - } /* if */ - - return CAST_S32(rc); -} /* physfsrwops_read */ - -static PHYSFSSIZE physfsrwops_write(SDL_RWops *const rw, const void *ptr, - const PHYSFSSIZE size, - const PHYSFSSIZE num) -{ - if (!rw) - return 0; - PHYSFS_file *const handle = static_cast( - rw->hidden.unknown.data1); - const int64_t rc = VirtFs::write(handle, ptr, - CAST_U32(size), - CAST_U32(num)); - if (rc != static_cast(num)) - { - logger->assertLog("physfsrwops_seek: write error: %s", - PHYSFS_getLastError()); - } - - return CAST_S32(rc); -} /* physfsrwops_write */ - -static int physfsrwops_close(SDL_RWops *const rw) -{ - if (!rw) - return 0; - PHYSFS_file *const handle = static_cast( - rw->hidden.unknown.data1); - if (!VirtFs::close(handle)) - { - logger->assertLog("physfsrwops_seek: close error: %s", - VirtFs::getLastError()); - return -1; - } /* if */ - - SDL_FreeRW(rw); -#ifdef DUMP_LEAKED_RESOURCES - if (openedRWops <= 0) - logger->assertLog("physfsrwops_seek: closing already closed RWops"); - openedRWops --; -#endif // DUMP_LEAKED_RESOURCES -#ifdef DEBUG_PHYSFS - FakePhysFSClose(rw); -#endif // DEBUG_PHYSFS - - return 0; -} /* physfsrwops_close */ - -#ifdef USE_SDL2 -static PHYSFSINT physfsrwops_size(SDL_RWops *const rw) -{ - PHYSFS_file *const handle = static_cast( - rw->hidden.unknown.data1); - return VirtFs::fileLength(handle); -} /* physfsrwops_size */ -#endif // USE_SDL2 - -static SDL_RWops *create_rwops(PHYSFS_file *const handle) -{ - SDL_RWops *retval = nullptr; - - if (!handle) - { - logger->assertLog("physfsrwops_seek: create rwops error: %s", - VirtFs::getLastError()); - } - else - { - retval = SDL_AllocRW(); - if (retval) - { -#ifdef USE_SDL2 - retval->size = &physfsrwops_size; -#endif // USE_SDL2 - - retval->seek = &physfsrwops_seek; - retval->read = &physfsrwops_read; - retval->write = &physfsrwops_write; - retval->close = &physfsrwops_close; - retval->hidden.unknown.data1 = handle; - } /* if */ -#ifdef DUMP_LEAKED_RESOURCES - openedRWops ++; -#endif // DUMP_LEAKED_RESOURCES - } /* else */ - - return retval; -} /* create_rwops */ - -SDL_RWops *PHYSFSRWOPS_makeRWops(PHYSFS_file *const handle) -{ - SDL_RWops *retval = nullptr; - if (!handle) - { - logger->assertLog("physfsrwops_seek: NULL pointer passed to " - "PHYSFSRWOPS_makeRWops()."); - } - else - { - retval = create_rwops(handle); - } - - return retval; -} /* PHYSFSRWOPS_makeRWops */ - -#ifdef __APPLE__ -static bool checkFilePath(const char *const fname) -{ - if (!fname || !*fname) - return false; - if (!VirtFs::exists(fname) || VirtFs::isDirectory(fname)) - return false; - return true; -} -#endif // __APPLE__ - -SDL_RWops *PHYSFSRWOPS_openRead(const char *const fname) -{ - BLOCK_START("PHYSFSRWOPS_openRead") -#ifdef __APPLE__ - if (!checkFilePath(fname)) - return nullptr; -#endif // __APPLE__ -#ifdef USE_FUZZER - if (Fuzzer::conditionTerminate(fname)) - return nullptr; -#endif // USE_FUZZER -#ifdef USE_PROFILER - SDL_RWops *const ret = create_rwops(VirtFs::openRead(fname)); - BLOCK_END("PHYSFSRWOPS_openRead") - return ret; -#else // USE_PROFILER - - return create_rwops(VirtFs::openRead(fname)); -#endif // USE_PROFILER -} /* PHYSFSRWOPS_openRead */ - -SDL_RWops *PHYSFSRWOPS_openWrite(const char *const fname) -{ -#ifdef __APPLE__ - if (!checkFilePath(fname)) - return nullptr; -#endif // __APPLE__ - - return create_rwops(VirtFs::openWrite(fname)); -} /* PHYSFSRWOPS_openWrite */ - -SDL_RWops *PHYSFSRWOPS_openAppend(const char *const fname) -{ -#ifdef __APPLE__ - if (!checkFilePath(fname)) - return nullptr; -#endif // __APPLE__ - - return create_rwops(VirtFs::openAppend(fname)); -} /* PHYSFSRWOPS_openAppend */ - -#ifdef DUMP_LEAKED_RESOURCES -void reportRWops() -{ - if (openedRWops) - { - logger->assertLog("physfsrwops_seek: leaking RWops: %d", - openedRWops); - } -} -#endif // DUMP_LEAKED_RESOURCES - -/* end of physfsrwops.c ... */ -- cgit v1.2.3-60-g2f50