diff options
Diffstat (limited to 'backends/gp32/gp32std_file.cpp')
| -rw-r--r-- | backends/gp32/gp32std_file.cpp | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/backends/gp32/gp32std_file.cpp b/backends/gp32/gp32std_file.cpp deleted file mode 100644 index eb0d71c61d..0000000000 --- a/backends/gp32/gp32std_file.cpp +++ /dev/null @@ -1,256 +0,0 @@ -/* ScummVM - Scumm Interpreter - * Copyright (C) 2001-2006 The ScummVM project - * Copyright (C) 2002 Ph0x - GP32 Backend - * Copyright (C) 2003/2004 DJWillis - GP32 Backend - * Copyright (C) 2005 Won Star - GP32 Backend - * - * 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 (at your option) 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - - -#include "stdafx.h" -#include "common/scummsys.h" -//#include "graphics/scaler.h" -#include "common/system.h" -#include "backends/intern.h" - -#include "gp32std.h" -#include "gp32std_file.h" - -FILE *gp_stderr = NULL; -FILE *gp_stdout = NULL; -FILE *gp_stdin = NULL; - -// Cache Idea / Code borrowed from the ps2 port -//#define USE_CACHE - -////////////////// -//File functions - -GPFILE *gp_fopen(const char *fileName, const char *openMode) { - //FIXME: allocation, mode - uint32 mode; - GPFILE *file; - ERR_CODE err; - char tempPath[256]; - - if (!strchr(fileName, '.')) { - sprintf(tempPath, "%s.", fileName); - fileName = tempPath; - } - - file = new GPFILE; - -// NP("%s(\"%s\", \"%s\")", __FUNCTION__, fileName, openMode); - - // FIXME add binary/text support - if (tolower(openMode[0]) == 'r') { - mode = OPEN_R; - GpFileGetSize(fileName, &file->fileSize); - err = GpFileOpen(fileName, mode, &file->handle); - } else if (tolower(openMode[0]) == 'w') { - file->fileSize = 0; - mode = OPEN_W; - err = GpFileCreate(fileName, ALWAYS_CREATE, &file->handle); - } else if (tolower(openMode[0]) == 'a') { - warning("We do not support 'a' file open mode."); - delete file; - return NULL; - } else { - error("wrong file mode"); - } - - if (!file) { - error("%s: cannot create FILE structure", __FUNCTION__); - } - - if (err) { - printf("gp_gopen(): IO error %d", err); - delete file; - return NULL; - } - - file->mode = mode; - file->cachePos = 0; - file->bytesInCache = 0; - - return file; -} - -int gp_fclose(GPFILE *stream) { - if (!stream) { - //warning("closing null file"); - return 1; - } - -/* if (*(uint32 *)((char *)stream - sizeof(uint32)) == 0x4321) { - debug(0, "Double closing", __FUNCTION__); - return 1; - } -*/ - -#ifdef USE_CACHE - if (stream->cachePos && stream->mode == OPEN_W) { - GpFileWrite(stream->handle, (char *)stream->cacheData, stream->cachePos); // flush cache - stream->cachePos = 0; - } -#endif - - ERR_CODE err = GpFileClose(stream->handle); - delete stream; - - return err; -} - -int gp_fseek(GPFILE *stream, long offset, int whence) { - switch (whence) { - case SEEK_SET: - whence = FROM_BEGIN; - break; - case SEEK_CUR: - whence = FROM_CURRENT; - break; - case SEEK_END: - whence = FROM_END; - break; - } - return GpFileSeek(stream->handle, whence, offset, (long *)&stream->filePos); //FIXME? -} - -size_t gp_fread(void *ptr, size_t size, size_t n, GPFILE *stream) { - ulong readcount = 0; - int len = size * n; - -#ifdef USE_CACHE - uint8 *dest = (uint8 *)ptr; - - while (len && (stream->filePos != stream->fileSize)) { - if (stream->cachePos <= filePos && filePos < stream->cachePos + stream->bytesInCache) { - uint32 startPos = (stream->cacheBufOffs + (stream->filePos - stream->cachePos)) % FCACHE_SIZE; - uint32 copyLen = stream->bytesInCache - (stream->filePos - stream->cachePos); - if (copyLen > len) - copyLen = len; - if (startPos + copyLen > FCACHE_SIZE) - copyLen = FCACHE_SIZE - startPos; - - memcpy(dest, cacheData + startPos, copyLen); - - filePos += copyLen; - dest += copyLen; - len -= copyLen; - } else { -#endif - ERR_CODE err = GpFileRead(stream->handle, ptr, len, &readcount); - -#ifdef USE_CACHE - stream->filePos += len; - } - } -#endif - - return readcount / size; //FIXME? -} - -size_t gp_fwrite(const void *ptr, size_t size, size_t n, GPFILE *stream) { - int len = size * n; - - if (!stream) { - //warning("writing to null file"); - return 0; - } - -#ifdef USE_CACHE - if (stream->cachePos + len < FCACHE_SIZE) { - memcpy(stream->cacheData + stream->cachePos, ptr, len); - stream->cachePos += len; - } else { - if (stream->cachePos) { - GpFileWrite(stream->handle, stream->cacheData, stream->cachePos); // flush cache - stream->cachePos = 0; - } - -#endif - ERR_CODE err = GpFileWrite(stream->handle, ptr, len); - if (!err) - return n; - else - return -err; -#ifdef USE_CACHE - } -#endif - return 0; -} - -//FIXME? use standard func -long gp_ftell(GPFILE *stream) { - ulong pos = 0; - ERR_CODE err = GpFileSeek(stream->handle, FROM_CURRENT, 0, (long*)&pos); - return pos; -} - -void gp_clearerr(GPFILE *stream) -{ -} - -int gp_feof(GPFILE *stream) { - return gp_ftell(stream) >= stream->fileSize; -} - -char gp_fgetc(GPFILE *stream) { - char c[1]; - - gp_fread(&c[0], 1, 1, stream); - return c[0]; -} - -char *gp_fgets(char *s, int n, GPFILE *stream) { - int i = 0; - - while (!gp_feof(stream) && i < n) { - gp_fread(&s[i], 1, 1, stream); - if (s[i] == '\n') { - s[i + 1] = 0; - return s; - } - i++; - } - if (gp_feof(stream)) - return NULL; - else - return s; -} - -int gp_fprintf(GPFILE *stream, const char *fmt, ...) { - char s[256]; - va_list marker; - - va_start(marker, fmt); - vsnprintf(s, 256, fmt, marker); - va_end(marker); - - return gp_fwrite(s, 1, strlen(s), stream); -} - -int gp_fflush(GPFILE *stream) { - return 0; -} - -int gp_ferror(GPFILE *stream) { - return 0; -} |