--- /dev/null
+/* Nitfol - z-machine interpreter using Glk for output.
+ Copyright (C) 1999 Evin Robertson
+
+ 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+
+ The author can be reached at nitfol@deja.com
+*/
+#include "nitfol.h"
+
+
+glui32 fillstruct(strid_t stream, const unsigned *info, glui32 *dest,
+ glui32 (*special)(strid_t))
+{
+ unsigned char buffer[4];
+ unsigned e;
+ glui32 len = 0;;
+
+ for(e = 0; info[e]; e++) {
+ if(info[e] == 0x8000) {
+ *dest++ = special(stream);
+ len++;
+ }
+ else if(info[e] > 4) {
+ unsigned i;
+ for(i = 0; i < info[e]; i++) {
+ *dest++ = glk_get_char_stream(stream);
+ len++;
+ }
+ } else {
+ glk_get_buffer_stream(stream, (char *) buffer, info[e]);
+
+ switch(info[e]) {
+ case 1: *dest = MSBdecode1(buffer); break;
+ case 2: *dest = MSBdecode2(buffer); break;
+ case 3: *dest = MSBdecode3(buffer); break;
+ case 4: *dest = MSBdecode4(buffer); break;
+ }
+ dest++;
+ len+=info[e];
+ }
+ }
+ return len;
+}
+
+glui32 emptystruct(strid_t stream, const unsigned *info, const glui32 *src)
+{
+ unsigned char buffer[4];
+ unsigned e;
+ glui32 len = 0;;
+
+ for(e = 0; info[e]; e++) {
+ if(info[e] > 4) {
+ unsigned i;
+ for(i = 0; i < info[e]; i++) {
+ glk_put_char_stream(stream, *src++);
+ len++;
+ }
+ } else {
+ switch(info[e]) {
+ case 1: MSBencode1(buffer, *src); break;
+ case 2: MSBencode2(buffer, *src); break;
+ case 3: MSBencode3(buffer, *src); break;
+ case 4: MSBencode4(buffer, *src); break;
+ }
+
+ w_glk_put_buffer_stream(stream, (char *) buffer, info[e]);
+
+ src++;
+ len++;
+ }
+ }
+ return len;
+}