Early Roguelike Collection: arogue7/state.c annotate

annotate arogue7/state.c @ 279:d3968e9cb98d

Use C stdio functions for score files and save files. Switching from Unix file descriptor operations to C standard FILE* functions will reduce portability problems.

author	John "Elwin" Edwards
date	Fri, 15 Sep 2017 19:57:54 -0400
parents	b49d8b963df3
children	e52a8a7ad4c5

rev	line source
125 adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	1 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	2 state.c - Portable Rogue Save State Code
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	3
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	4 Copyright (C) 1999, 2000, 2005 Nicholas J. Kisseberth
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	5 All rights reserved.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	6
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	7 Redistribution and use in source and binary forms, with or without
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	8 modification, are permitted provided that the following conditions
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	9 are met:
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	10 1. Redistributions of source code must retain the above copyright
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	11 notice, this list of conditions and the following disclaimer.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	12 2. Redistributions in binary form must reproduce the above copyright
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	13 notice, this list of conditions and the following disclaimer in the
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	14 documentation and/or other materials provided with the distribution.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	15 3. Neither the name(s) of the author(s) nor the names of other contributors
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	16 may be used to endorse or promote products derived from this software
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	17 without specific prior written permission.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	18
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	19 THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTORS ``AS IS'' AND
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	20 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	22 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTORS BE LIABLE
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	23 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	25 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	26 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	27 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	28 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	29 SUCH DAMAGE.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	30 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	31
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	32 /************************************************************************/
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	33 /* Save State Code */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	34 /************************************************************************/
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	35
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	36 #define RSID_STATS 0xABCD0001
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	37 #define RSID_MSTATS 0xABCD0002
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	38 #define RSID_THING 0xABCD0003
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	39 #define RSID_OBJECT 0xABCD0004
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	40 #define RSID_MAGICITEMS 0xABCD0005
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	41 #define RSID_KNOWS 0xABCD0006
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	42 #define RSID_GUESSES 0xABCD0007
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	43 #define RSID_OBJECTLIST 0xABCD0008
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	44 #define RSID_BAGOBJECT 0xABCD0009
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	45 #define RSID_MONSTERLIST 0xABCD000A
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	46 #define RSID_MONSTERSTATS 0xABCD000B
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	47 #define RSID_MONSTERS 0xABCD000C
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	48 #define RSID_TRAP 0xABCD000D
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	49 #define RSID_WINDOW 0xABCD000E
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	50 #define RSID_DAEMONS 0xABCD000F
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	51 #define RSID_STICKS 0xABCD0010
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	52 #define RSID_IARMOR 0xABCD0011
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	53 #define RSID_SPELLS 0xABCD0012
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	54 #define RSID_ILIST 0xABCD0013
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	55 #define RSID_HLIST 0xABCD0014
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	56 #define RSID_DEATHTYPE 0xABCD0015
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	57 #define RSID_CTYPES 0XABCD0016
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	58 #define RSID_COORDLIST 0XABCD0017
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	59 #define RSID_ROOMS 0XABCD0018
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	60
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	61 #include <curses.h>
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	62 #include <stdio.h>
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	63 #include <stdlib.h>
126 b786053d2f37 arogue7: add missing header includes. John "Elwin" Edwards parents: 125 diff changeset	64 #include <string.h>
125 adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	65 #include "rogue.h"
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	66
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	67 #define READSTAT (format_error \|\| read_error )
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	68 #define WRITESTAT (write_error)
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	69
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	70 static int read_error = FALSE;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	71 static int write_error = FALSE;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	72 static int format_error = FALSE;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	73 static int endian = 0x01020304;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	74 #define big_endian ( ((char )&endian) == 0x01 )
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	75
219 f9ef86cf22b2 Advanced Rogue 7: convert to ANSI-style function declarations. John "Elwin" Edwards parents: 203 diff changeset	76 int list_size(struct linked_list *l);
f9ef86cf22b2 Advanced Rogue 7: convert to ANSI-style function declarations. John "Elwin" Edwards parents: 203 diff changeset	77 int rs_write_int(FILE *savef, int c);
279 d3968e9cb98d Use C stdio functions for score files and save files. John "Elwin" Edwards parents: 242 diff changeset	78 int rs_read_int(FILE inf, int i);
219 f9ef86cf22b2 Advanced Rogue 7: convert to ANSI-style function declarations. John "Elwin" Edwards parents: 203 diff changeset	79 int rs_write_object_list(FILE savef, struct linked_list l);
279 d3968e9cb98d Use C stdio functions for score files and save files. John "Elwin" Edwards parents: 242 diff changeset	80 int rs_read_object_list(FILE inf, struct linked_list *list);
219 f9ef86cf22b2 Advanced Rogue 7: convert to ANSI-style function declarations. John "Elwin" Edwards parents: 203 diff changeset	81
125 adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	82 int
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	83 rs_write(FILE savef, void ptr, size_t size)
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	84 {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	85 if (write_error)
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	86 return(WRITESTAT);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	87
279 d3968e9cb98d Use C stdio functions for score files and save files. John "Elwin" Edwards parents: 242 diff changeset	88 if (encwrite(ptr, size, savef) != size)
125 adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)

Mercurial > hg > early-roguelike

annotate arogue7/state.c @ 279:d3968e9cb98d