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Diffstat (limited to 'src/fs/virtfs/fsdirrwops.cpp')
-rw-r--r--src/fs/virtfs/fsdirrwops.cpp269
1 files changed, 0 insertions, 269 deletions
diff --git a/src/fs/virtfs/fsdirrwops.cpp b/src/fs/virtfs/fsdirrwops.cpp
deleted file mode 100644
index 47497a9d3..000000000
--- a/src/fs/virtfs/fsdirrwops.cpp
+++ /dev/null
@@ -1,269 +0,0 @@
-/*
- * The ManaPlus Client
- * Copyright (C) 2013-2017 The ManaPlus Developers
- *
- * This file is part of The ManaPlus Client.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "fs/virtfs/fsdirrwops.h"
-
-#include "fs/virtfs/file.h"
-
-#include "utils/cast.h"
-#include "utils/checkutils.h"
-
-PRAGMA48(GCC diagnostic push)
-PRAGMA48(GCC diagnostic ignored "-Wshadow")
-#include <SDL_rwops.h>
-PRAGMA48(GCC diagnostic pop)
-
-#include "debug.h"
-
-namespace VirtFs
-{
-
-namespace FsDir
-{
- RWOPSINT rwops_seek(SDL_RWops *const rw,
- const RWOPSINT offset,
- const int whence)
- {
- if (rw == nullptr)
- return -1;
- File *const handle = static_cast<File *>(
- rw->hidden.unknown.data1);
- FILEHTYPE fd = handle->mFd;
- RWOPSINT pos = 0;
-
- if (whence == SEEK_SET)
- {
- pos = offset;
- }
- else if (whence == SEEK_CUR)
- {
-#ifdef USE_FILE_FOPEN
- const int64_t current = ftell(fd);
-#else // USE_FILE_FOPEN
- const int64_t current = lseek(fd, 0, SEEK_CUR);
-#endif // USE_FILE_FOPEN
-
- if (current == -1)
- {
- logger->assertLog(
- "VirtFs::rwops_seek: Can't find position in file.");
- return -1;
- }
-
- pos = CAST_S32(current);
- if (static_cast<int64_t>(pos) != current)
- {
- logger->assertLog("VirtFs::rwops_seek: "
- "Can't fit current file position in an int!");
- return -1;
- }
-
- if (offset == 0) /* this is a "tell" call. We're done. */
- return pos;
-
- pos += offset;
- }
- else if (whence == SEEK_END)
- {
- int64_t len = 0;
-#ifdef USE_FILE_FOPEN
- const long curpos = ftell(fd);
- if (curpos < 0)
- {
- reportAlways("FsDir::fileLength ftell error.");
- return -1;
- }
- fseek(fd, 0, SEEK_END);
- len = ftell(fd);
-// fseek(fd, curpos, SEEK_SET);
-#else // USE_FILE_FOPEN
- struct stat statbuf;
- if (fstat(fd, &statbuf) == -1)
- {
- reportAlways("FsDir::fileLength error.");
- len = -1;
- }
- else
- {
- len = static_cast<int64_t>(statbuf.st_size);
- }
-#endif // USE_FILE_FOPEN
-
- if (len == -1)
- {
-#ifdef USE_FILE_FOPEN
- if (fseek(fd, curpos, SEEK_SET) < 0)
- {
- reportAlways("FsDir::fileLength fseek error.");
- }
-#endif // USE_FILE_FOPEN
- logger->assertLog(
- "VirtFs::rwops_seek:Can't find end of file.");
- return -1;
- }
-
- pos = static_cast<RWOPSINT>(len);
- if (static_cast<int64_t>(pos) != len)
- {
-#ifdef USE_FILE_FOPEN
- fseek(fd, curpos, SEEK_SET);
-#endif // USE_FILE_FOPEN
- logger->assertLog("VirtFs::rwops_seek: "
- "Can't fit end-of-file position in an int!");
- return -1;
- }
-
- pos += offset;
- }
- else
- {
- logger->assertLog(
- "VirtFs::rwops_seek: Invalid 'whence' parameter.");
- return -1;
- }
-
- if (pos < 0)
- {
- logger->assertLog("VirtFs::rwops_seek: "
- "Attempt to seek past start of file.");
- return -1;
- }
-
- const int64_t res = FILESEEK(fd, pos, SEEK_SET);
- if (res == -1)
- {
- logger->assertLog("VirtFs::rwops_seek: seek error.");
- return -1;
- }
-
- return pos;
- }
-
- RWOPSSIZE rwops_read(SDL_RWops *const rw,
- void *const ptr,
- const RWOPSSIZE size,
- const RWOPSSIZE maxnum)
- {
- if (rw == nullptr)
- return 0;
- File *const handle = static_cast<File *>(
- rw->hidden.unknown.data1);
- FILEHTYPE fd = handle->mFd;
-
-#ifdef USE_FILE_FOPEN
- const int64_t rc = fread(ptr, size, maxnum, fd);
-#else // USE_FILE_FOPEN
- int max = size * maxnum;
- int cnt = ::read(fd, ptr, max);
- if (cnt <= 0)
- return cnt;
- const int64_t rc = cnt / size;
-#endif // USE_FILE_FOPEN
-
-#ifndef USE_FILE_FOPEN
- if (rc != static_cast<int64_t>(maxnum))
- {
- const int64_t pos = lseek(fd, 0, SEEK_CUR);
- struct stat statbuf;
- if (fstat(fd, &statbuf) == -1)
- {
- reportAlways("FsDir::fileLength error.");
- return CAST_S32(rc);
- }
- }
-#endif // USE_FILE_FOPEN
- return CAST_S32(rc);
- }
-
- RWOPSSIZE rwops_write(SDL_RWops *const rw,
- const void *const ptr,
- const RWOPSSIZE size,
- const RWOPSSIZE maxnum)
- {
- if (rw == nullptr)
- return 0;
- File *const handle = static_cast<File *>(
- rw->hidden.unknown.data1);
- FILEHTYPE fd = handle->mFd;
-
-#ifdef USE_FILE_FOPEN
- const int64_t rc = fwrite(ptr, size, maxnum, fd);
-#else // USE_FILE_FOPEN
- int max = size * maxnum;
- int cnt = ::write(fd, ptr, max);
- if (cnt <= 0)
- return cnt;
- const int64_t rc = cnt / size;
-#endif // USE_FILE_FOPEN
-
-#ifndef USE_FILE_FOPEN
- if (rc != static_cast<int64_t>(maxnum))
- {
- const int64_t pos = lseek(fd, 0, SEEK_CUR);
- struct stat statbuf;
- if (fstat(fd, &statbuf) == -1)
- {
- reportAlways("FsDir::fileLength error.");
- return CAST_S32(rc);
- }
- }
-#endif // USE_FILE_FOPEN
-
- return CAST_S32(rc);
- }
-
- int rwops_close(SDL_RWops *const rw)
- {
- if (rw == nullptr)
- return 0;
- File *const handle = static_cast<File*>(
- rw->hidden.unknown.data1);
- delete handle;
- SDL_FreeRW(rw);
- return 0;
- }
-
-#ifdef USE_SDL2
- RWOPSINT rwops_size(SDL_RWops *const rw)
- {
- File *const handle = static_cast<File *>(
- rw->hidden.unknown.data1);
- FILEHTYPE fd = handle->mFd;
-#ifdef USE_FILE_FOPEN
- const long pos = ftell(fd);
- fseek(fd, 0, SEEK_END);
- const long sz = ftell(fd);
- fseek(fd, pos, SEEK_SET);
- return sz;
-#else // USE_FILE_FOPEN
- struct stat statbuf;
- if (fstat(fd, &statbuf) == -1)
- {
- reportAlways("FsDir::fileLength error.");
- return -1;
- }
- return static_cast<int64_t>(statbuf.st_size);
-#endif // USE_FILE_FOPEN
- }
-#endif // USE_SDL2
-
-} // namespace FsDir
-
-} // namespace VirtFs
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