Mercurial > hg > early-roguelike
annotate rogue3/things.c @ 280:70aa5808c782
Fix potential segfaults at restore related to ctime().
In some games, restore() passes the result of ctime() to mvprintw() or
some other variadic message-formatting function. If ctime() has not
been declared properly, its return type is inferred to be int instead
of char *. This does not cause a warning because the compiler does not
know the correct type of variadic arguments.
On platforms where ints and pointers are not the same size, this can,
probably depending on alignment, result in a segfault that is not easy
to trace.
Including time.h fixes the problem. Some games manually declared
ctime() and avoided the bug. These declarations have also been
replaced with the include.
author | John "Elwin" Edwards |
---|---|
date | Fri, 15 Sep 2017 20:51:10 -0400 |
parents | 527e2150eaf0 |
children | 0250220d8cdd |
rev | line source |
---|---|
0
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
1 /* |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
2 * Contains functions for dealing with things like |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
3 * potions and scrolls |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
4 * |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
5 * @(#)things.c 3.37 (Berkeley) 6/15/81 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
6 * |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
7 * Rogue: Exploring the Dungeons of Doom |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
8 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
9 * All rights reserved. |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
10 * |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
11 * See the file LICENSE.TXT for full copyright and licensing information. |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
12 */ |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
13 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
14 #include "curses.h" |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
15 #include <ctype.h> |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
16 #include <string.h> |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
17 #include "rogue.h" |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
18 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
19 /* |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
20 * inv_name: |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
21 * return the name of something as it would appear in an |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
22 * inventory. |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
23 */ |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
24 char * |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
25 inv_name(struct object *obj, int drop) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
26 { |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
27 char *pb; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
28 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
29 switch(obj->o_type) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
30 { |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
31 case SCROLL: |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
32 if (obj->o_count == 1) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
33 strcpy(prbuf, "A scroll "); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
34 else |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
35 sprintf(prbuf, "%d scrolls ", obj->o_count); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
36 pb = &prbuf[strlen(prbuf)]; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
37 if (s_know[obj->o_which]) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
38 sprintf(pb, "of %s", s_magic[obj->o_which].mi_name); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
39 else if (s_guess[obj->o_which]) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
40 sprintf(pb, "called %s", s_guess[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
41 else |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
42 sprintf(pb, "titled '%s'", s_names[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
43 when POTION: |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
44 if (obj->o_count == 1) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
45 strcpy(prbuf, "A potion "); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
46 else |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
47 sprintf(prbuf, "%d potions ", obj->o_count); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
48 pb = &prbuf[strlen(prbuf)]; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
49 if (p_know[obj->o_which]) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
50 sprintf(pb, "of %s(%s)", p_magic[obj->o_which].mi_name, |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
51 p_colors[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
52 else if (p_guess[obj->o_which]) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
53 sprintf(pb, "called %s(%s)", p_guess[obj->o_which], |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
54 p_colors[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
55 else if (obj->o_count == 1) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
56 sprintf(prbuf, "A%s %s potion", |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
57 vowelstr(p_colors[obj->o_which]), |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
58 p_colors[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
59 else |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
60 sprintf(prbuf, "%d %s potions", obj->o_count, |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
61 p_colors[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
62 when FOOD: |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
63 if (obj->o_which == 1) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
64 if (obj->o_count == 1) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
65 sprintf(prbuf, "A%s %s", vowelstr(fruit), fruit); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
66 else |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
67 sprintf(prbuf, "%d %ss", obj->o_count, fruit); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
68 else |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
69 if (obj->o_count == 1) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
70 strcpy(prbuf, "Some food"); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
71 else |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
72 sprintf(prbuf, "%d rations of food", obj->o_count); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
73 when WEAPON: |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
74 if (obj->o_count > 1) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
75 sprintf(prbuf, "%d ", obj->o_count); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
76 else |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
77 strcpy(prbuf, "A "); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
78 pb = &prbuf[strlen(prbuf)]; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
79 if (obj->o_flags & ISKNOW) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
80 sprintf(pb, "%s %s", num(obj->o_hplus, obj->o_dplus), |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
81 w_names[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
82 else |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
83 sprintf(pb, "%s", w_names[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
84 if (obj->o_count > 1) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
85 strcat(prbuf, "s"); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
86 when ARMOR: |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
87 if (obj->o_flags & ISKNOW) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
88 sprintf(prbuf, "%s %s", |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
89 num(a_class[obj->o_which] - obj->o_ac, 0), |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
90 a_names[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
91 else |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
92 sprintf(prbuf, "%s", a_names[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
93 when AMULET: |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
94 strcpy(prbuf, "The Amulet of Yendor"); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
95 when STICK: |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
96 sprintf(prbuf, "A %s ", ws_type[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
97 pb = &prbuf[strlen(prbuf)]; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
98 if (ws_know[obj->o_which]) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
99 sprintf(pb, "of %s%s(%s)", ws_magic[obj->o_which].mi_name, |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
100 charge_str(obj), ws_made[obj->o_which]); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
101 else if (ws_guess[obj->o_which]) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
102 sprintf(pb, "called %s(%s)", ws_guess[obj->o_which], |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
103 ws_made[obj->o_which]); |