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-rw-r--r--src/utils/physfsrwops.cpp316
1 files changed, 0 insertions, 316 deletions
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<PHYSFS_file *const>(
- 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<int64_t>(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<PHYSFSINT>(len);
- if (static_cast<int64_t>(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<uint64_t>(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<PHYSFS_file *const>(
- rw->hidden.unknown.data1);
- const int64_t rc = VirtFs::read(handle, ptr,
- CAST_U32(size),
- CAST_U32(maxnum));
- if (rc != static_cast<int64_t>(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<PHYSFS_file *const>(
- rw->hidden.unknown.data1);
- const int64_t rc = VirtFs::write(handle, ptr,
- CAST_U32(size),
- CAST_U32(num));
- if (rc != static_cast<int64_t>(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<PHYSFS_file*>(
- 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<PHYSFS_file*>(
- 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 ... */
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