open_file_store (j_common_ptr cinfo, backing_store_ptr info,
long total_bytes_needed)
{
short handle;
select_file_name(info->temp_name);
if (jdos_open((short far *) & handle, (char far *) info->temp_name)) {
/* might as well exit since jpeg_open_backing_store will fail anyway */
ERREXITS(cinfo, JERR_TFILE_CREATE, info->temp_name);
return FALSE;
}
info->handle.file_handle = handle;
info->read_backing_store = read_file_store;
info->write_backing_store = write_file_store;
info->close_backing_store = close_file_store;
TRACEMSS(cinfo, 1, JTRC_TFILE_OPEN, info->temp_name);
return TRUE; /* succeeded */
}
LOCAL boolean
open_file_store (backing_store_ptr info, long total_bytes_needed)
{
short handle;
char tracemsg[TEMP_NAME_LENGTH+40];
select_file_name(info->temp_name);
if (jdos_open((short far *) & handle, (char far *) info->temp_name)) {
/* hack to get around TRACEMS' inability to handle string parameters */
sprintf(tracemsg, "Failed to create temporary file %s", info->temp_name);
ERREXIT(methods, tracemsg); /* jopen_backing_store will fail anyway */
return FALSE;
}
info->handle.file_handle = handle;
info->read_backing_store = read_file_store;
info->write_backing_store = write_file_store;
info->close_backing_store = close_file_store;
/* hack to get around TRACEMS' inability to handle string parameters */
sprintf(tracemsg, "Opened DOS file %d %s", handle, info->temp_name);
TRACEMS(methods, 1, tracemsg);
return TRUE; /* succeeded */
}
