/*------------------------------------------------- battery_save - stores the battery backed RAM for an image. The file name is created from the machine driver name and the image name. -------------------------------------------------*/ void device_image_interface::battery_save(const void *buffer, int length) { astring *fname = astring_assemble_4(astring_alloc(), device().machine().system().name, PATH_SEPARATOR, m_basename_noext, ".nv"); image_battery_save_by_name(device().machine().options(), astring_c(fname), buffer, length); astring_free(fname); }
static emu_file *nvram_system_fopen( running_machine &machine, UINT32 openflags, const char *name) { file_error filerr; astring *fname = astring_assemble_4( astring_alloc(), machine.system().name, PATH_SEPARATOR, name, ".nv"); emu_file *file = global_alloc(emu_file(machine.options().nvram_directory(), openflags)); filerr = file->open(astring_c( fname)); astring_free( fname); return (filerr == FILERR_NONE) ? file : NULL; }
static file_error OpenDIBFile(const char *dir_name, const char *zip_name, const char *filename, core_file **file, void **buffer) { file_error filerr; zip_error ziperr; zip_file *zip; const zip_file_header *zip_header; astring *fname; // clear out result *file = NULL; // look for the raw file fname = astring_assemble_3(astring_alloc(), dir_name, PATH_SEPARATOR, filename); filerr = core_fopen(astring_c(fname), OPEN_FLAG_READ, file); astring_free(fname); // did the raw file not exist? if (filerr != FILERR_NONE) { // look into zip file fname = astring_assemble_4(astring_alloc(), dir_name, PATH_SEPARATOR, zip_name, ".zip"); ziperr = zip_file_open(astring_c(fname), &zip); astring_free(fname); if (ziperr == ZIPERR_NONE) { zip_header = zip_file_seek_file(zip, filename); if (zip_header != NULL) { *buffer = malloc(zip_header->uncompressed_length); ziperr = zip_file_decompress(zip, *buffer, zip_header->uncompressed_length); if (ziperr == ZIPERR_NONE) { filerr = core_fopen_ram(*buffer, zip_header->uncompressed_length, OPEN_FLAG_READ, file); } } zip_file_close(zip); } } return filerr; }
BOOL LoadDIB(const char *filename, HGLOBAL *phDIB, HPALETTE *pPal, int pic_type) { file_error filerr; core_file *file = NULL; BOOL success = FALSE; const char *dir_name; const char *zip_name; astring *fname; void *buffer = NULL; if (pPal != NULL ) { DeletePalette(pPal); } switch (pic_type) { case TAB_SCREENSHOT: dir_name = GetImgDir(); zip_name = "snap"; break; case TAB_FLYER: dir_name = GetFlyerDir(); zip_name = "flyers"; break; case TAB_CABINET: dir_name = GetCabinetDir(); zip_name = "cabinets"; break; case TAB_MARQUEE: dir_name = GetMarqueeDir(); zip_name = "marquees"; break; case TAB_TITLE: dir_name = GetTitlesDir(); zip_name = "titles"; break; case TAB_CONTROL_PANEL: dir_name = GetControlPanelDir(); zip_name = "cpanel"; break; case TAB_PCB : dir_name = GetPcbDir(); zip_name = "pcb"; break; case BACKGROUND: dir_name = GetBgDir(); zip_name = "bkground"; break; default : // in case a non-image tab gets here, which can happen return FALSE; } //Add handling for the displaying of all the different supported snapshot patterntypes //%g fname = astring_assemble_2(astring_alloc(), filename, ".png"); filerr = OpenDIBFile(dir_name, zip_name, astring_c(fname), &file, &buffer); astring_free(fname); if (filerr != FILERR_NONE) { //%g/%i fname = astring_assemble_3(astring_alloc(), filename, PATH_SEPARATOR, "0000.png"); filerr = OpenDIBFile(dir_name, zip_name, astring_c(fname), &file, &buffer); astring_free(fname); } if (filerr != FILERR_NONE) { //%g%i fname = astring_assemble_2(astring_alloc(), filename, "0000.png"); filerr = OpenDIBFile(dir_name, zip_name, astring_c(fname), &file, &buffer); astring_free(fname); } if (filerr != FILERR_NONE) { //%g/%g fname = astring_assemble_4(astring_alloc(), filename, PATH_SEPARATOR, filename, ".png"); filerr = OpenDIBFile(dir_name, zip_name, astring_c(fname), &file, &buffer); astring_free(fname); } if (filerr != FILERR_NONE) { //%g/%g%i fname = astring_assemble_4(astring_alloc(), filename, PATH_SEPARATOR, filename, "0000.png"); filerr = OpenDIBFile(dir_name, zip_name, astring_c(fname), &file, &buffer); astring_free(fname); } if (filerr == FILERR_NONE) { success = png_read_bitmap_gui(file, phDIB, pPal); core_fclose(file); } // free the buffer if we have to if (buffer != NULL) { free(buffer); } return success; }