1 |
elmex |
1.1 |
/* |
2 |
pippijn |
1.39 |
* CrossFire, A Multiplayer game for X-windows |
3 |
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* |
4 |
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* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
5 |
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* Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
6 |
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* Copyright (C) 1992 Frank Tore Johansen |
7 |
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* |
8 |
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* This program is free software; you can redistribute it and/or modify |
9 |
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* it under the terms of the GNU General Public License as published by |
10 |
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* the Free Software Foundation; either version 2 of the License, or |
11 |
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* (at your option) any later version. |
12 |
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* |
13 |
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* This program is distributed in the hope that it will be useful, |
14 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 |
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* GNU General Public License for more details. |
17 |
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* |
18 |
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* You should have received a copy of the GNU General Public License |
19 |
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* along with this program; if not, write to the Free Software |
20 |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 |
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* |
22 |
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* The authors can be reached via e-mail at <crossfire@schmorp.de> |
23 |
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*/ |
24 |
elmex |
1.1 |
|
25 |
|
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/* |
26 |
|
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* General convenience functions for crossfire. |
27 |
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*/ |
28 |
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|
29 |
root |
1.37 |
#include <cstdlib> |
30 |
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#include <sys/types.h> |
31 |
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#include <unistd.h> |
32 |
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#include <sys/time.h> |
33 |
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#include <time.h> |
34 |
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#include <signal.h> |
35 |
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|
36 |
elmex |
1.1 |
#include <global.h> |
37 |
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#include <funcpoint.h> |
38 |
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#include <material.h> |
39 |
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|
40 |
root |
1.4 |
#include <glib.h> |
41 |
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|
42 |
root |
1.42 |
rand_gen rndm; |
43 |
root |
1.40 |
|
44 |
root |
1.42 |
void |
45 |
|
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tausworthe_random_generator::seed (uint32_t seed) |
46 |
root |
1.40 |
{ |
47 |
root |
1.49 |
state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; |
48 |
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state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; |
49 |
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state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; |
50 |
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state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U; |
51 |
root |
1.40 |
|
52 |
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for (int i = 11; --i; ) |
53 |
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operator ()(); |
54 |
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} |
55 |
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56 |
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uint32_t |
57 |
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tausworthe_random_generator::next () |
58 |
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{ |
59 |
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state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U); |
60 |
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state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U); |
61 |
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state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U); |
62 |
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state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); |
63 |
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64 |
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return state [0] ^ state [1] ^ state [2] ^ state [3]; |
65 |
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} |
66 |
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|
67 |
root |
1.42 |
uint32_t |
68 |
root |
1.50 |
tausworthe_random_generator::get_range (uint32_t num) |
69 |
root |
1.42 |
{ |
70 |
root |
1.50 |
return (next () * (uint64_t)num) >> 32U; |
71 |
root |
1.42 |
} |
72 |
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73 |
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// return a number within (min .. max) |
74 |
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int |
75 |
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tausworthe_random_generator::get_range (int r_min, int r_max) |
76 |
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{ |
77 |
root |
1.50 |
return r_min + get_range (max (r_max - r_min + 1, 0)); |
78 |
root |
1.42 |
} |
79 |
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|
80 |
elmex |
1.1 |
/* |
81 |
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* The random functions here take luck into account when rolling random |
82 |
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* dice or numbers. This function has less of an impact the larger the |
83 |
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* difference becomes in the random numbers. IE, the effect is lessened |
84 |
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* on a 1-1000 roll, vs a 1-6 roll. This can be used by crafty programmers, |
85 |
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* to specifically disable luck in certain rolls, simply by making the |
86 |
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* numbers larger (ie, 1d1000 > 500 vs 1d6 > 3) |
87 |
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*/ |
88 |
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|
89 |
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/* |
90 |
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* Roll a random number between min and max. Uses op to determine luck, |
91 |
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* and if goodbad is non-zero, luck increases the roll, if zero, it decreases. |
92 |
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* Generally, op should be the player/caster/hitter requesting the roll, |
93 |
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* not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
94 |
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*/ |
95 |
root |
1.9 |
int |
96 |
root |
1.41 |
random_roll (int r_min, int r_max, const object *op, int goodbad) |
97 |
root |
1.9 |
{ |
98 |
root |
1.41 |
int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ |
99 |
elmex |
1.1 |
|
100 |
root |
1.41 |
if (r_max < 1 || r_max < r_min) |
101 |
root |
1.9 |
{ |
102 |
root |
1.53 |
LOG (llevError | log_Backtrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max); |
103 |
root |
1.41 |
return r_min; |
104 |
elmex |
1.1 |
} |
105 |
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|
106 |
root |
1.41 |
if (op->type == PLAYER) |
107 |
root |
1.9 |
{ |
108 |
root |
1.41 |
int luck = op->stats.luck; |
109 |
elmex |
1.1 |
|
110 |
root |
1.41 |
if (rndm (base) < min (10, abs (luck))) |
111 |
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{ |
112 |
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//TODO: take luck into account |
113 |
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} |
114 |
elmex |
1.1 |
} |
115 |
root |
1.41 |
|
116 |
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return rndm (r_min, r_max); |
117 |
elmex |
1.1 |
} |
118 |
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119 |
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/* |
120 |
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* This is a 64 bit version of random_roll above. This is needed |
121 |
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* for exp loss calculations for players changing religions. |
122 |
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*/ |
123 |
root |
1.9 |
sint64 |
124 |
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random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) |
125 |
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{ |
126 |
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sint64 omin, diff, luck, ran; |
127 |
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int base; |
128 |
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129 |
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omin = min; |
130 |
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diff = max - min + 1; |
131 |
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((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
132 |
elmex |
1.1 |
|
133 |
root |
1.9 |
if (max < 1 || diff < 1) |
134 |
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{ |
135 |
root |
1.53 |
LOG (llevError | log_Backtrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max); |
136 |
root |
1.9 |
return (min); /* avoids a float exception */ |
137 |
elmex |
1.1 |
} |
138 |
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|
139 |
root |
1.45 |
/* |
140 |
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* Make a call to get two 32 bit unsigned random numbers, and just to |
141 |
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* a little bitshifting. |
142 |
root |
1.9 |
*/ |
143 |
root |
1.45 |
ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31); |
144 |
root |
1.9 |
|
145 |
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if (op->type != PLAYER) |
146 |
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return ((ran % diff) + min); |
147 |
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|
148 |
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luck = op->stats.luck; |
149 |
root |
1.45 |
if (rndm (base) < MIN (10, abs (luck))) |
150 |
root |
1.9 |
{ |
151 |
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/* we have a winner */ |
152 |
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((luck > 0) ? (luck = 1) : (luck = -1)); |
153 |
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diff -= luck; |
154 |
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if (diff < 1) |
155 |
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return (omin); /*check again */ |
156 |
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((goodbad) ? (min += luck) : (diff)); |
157 |
elmex |
1.1 |
|
158 |
root |
1.9 |
return (MAX (omin, MIN (max, (ran % diff) + min))); |
159 |
elmex |
1.1 |
} |
160 |
root |
1.45 |
|
161 |
root |
1.9 |
return ((ran % diff) + min); |
162 |
elmex |
1.1 |
} |
163 |
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|
164 |
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/* |
165 |
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* Roll a number of dice (2d3, 4d6). Uses op to determine luck, |
166 |
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* If goodbad is non-zero, luck increases the roll, if zero, it decreases. |
167 |
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* Generally, op should be the player/caster/hitter requesting the roll, |
168 |
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* not the recipient (ie, the poor slob getting hit). |
169 |
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* The args are num D size (ie 4d6) [garbled 20010916] |
170 |
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*/ |
171 |
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|
172 |
root |
1.9 |
int |
173 |
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die_roll (int num, int size, const object *op, int goodbad) |
174 |
|
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{ |
175 |
root |
1.45 |
int min, diff, luck, total, i, gotlucky, base; |
176 |
root |
1.9 |
|
177 |
|
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diff = size; |
178 |
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min = 1; |
179 |
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luck = total = gotlucky = 0; |
180 |
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((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
181 |
|
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if (size < 2 || diff < 1) |
182 |
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{ |
183 |
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LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); |
184 |
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return (num); /* avoids a float exception */ |
185 |
|
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} |
186 |
elmex |
1.1 |
|
187 |
root |
1.9 |
if (op->type == PLAYER) |
188 |
|
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luck = op->stats.luck; |
189 |
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|
190 |
|
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for (i = 0; i < num; i++) |
191 |
|
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{ |
192 |
root |
1.45 |
if (rndm (base) < MIN (10, abs (luck)) && !gotlucky) |
193 |
root |
1.9 |
{ |
194 |
|
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/* we have a winner */ |
195 |
|
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gotlucky++; |
196 |
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((luck > 0) ? (luck = 1) : (luck = -1)); |
197 |
|
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diff -= luck; |
198 |
|
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if (diff < 1) |
199 |
|
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return (num); /*check again */ |
200 |
|
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((goodbad) ? (min += luck) : (diff)); |
201 |
root |
1.45 |
total += MAX (1, MIN (size, rndm (diff) + min)); |
202 |
root |
1.9 |
} |
203 |
|
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else |
204 |
root |
1.45 |
total += rndm (size) + 1; |
205 |
elmex |
1.1 |
} |
206 |
root |
1.45 |
|
207 |
|
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return total; |
208 |
elmex |
1.1 |
} |
209 |
|
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|
210 |
root |
1.33 |
/* decay and destroy perishable items in a map */ |
211 |
root |
1.9 |
void |
212 |
root |
1.32 |
maptile::decay_objects () |
213 |
elmex |
1.1 |
{ |
214 |
root |
1.35 |
if (!spaces) |
215 |
|
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return; |
216 |
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|
217 |
|
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for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
218 |
|
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for (object *above, *op = ms->bot; op; op = above) |
219 |
|
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{ |
220 |
|
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above = op->above; |
221 |
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|
222 |
|
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bool destroy = 0; |
223 |
root |
1.32 |
|
224 |
root |
1.35 |
// do not decay anything above unique floor tiles (yet :) |
225 |
|
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if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
226 |
|
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break; |
227 |
root |
1.32 |
|
228 |
root |
1.35 |
if (QUERY_FLAG (op, FLAG_IS_FLOOR) |
229 |
|
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|| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) |
230 |
|
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|| QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) |
231 |
|
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|| QUERY_FLAG (op, FLAG_UNIQUE) |
232 |
|
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|| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) |
233 |
|
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|| QUERY_FLAG (op, FLAG_UNPAID) |
234 |
|
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|| op->is_alive ()) |
235 |
|
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; // do not decay |
236 |
|
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else if (op->is_weapon ()) |
237 |
|
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{ |
238 |
|
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op->stats.dam--; |
239 |
|
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if (op->stats.dam < 0) |
240 |
|
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destroy = 1; |
241 |
|
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} |
242 |
|
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else if (op->is_armor ()) |
243 |
|
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{ |
244 |
|
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op->stats.ac--; |
245 |
|
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if (op->stats.ac < 0) |
246 |
|
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destroy = 1; |
247 |
|
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} |
248 |
|
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else if (op->type == FOOD) |
249 |
|
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{ |
250 |
|
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op->stats.food -= rndm (5, 20); |
251 |
|
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if (op->stats.food < 0) |
252 |
|
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destroy = 1; |
253 |
|
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} |
254 |
|
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else |
255 |
|
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{ |
256 |
root |
1.47 |
int mat = op->materials; |
257 |
root |
1.35 |
|
258 |
|
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if (mat & M_PAPER |
259 |
|
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|| mat & M_LEATHER |
260 |
|
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|| mat & M_WOOD |
261 |
|
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|| mat & M_ORGANIC |
262 |
|
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|| mat & M_CLOTH |
263 |
|
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|| mat & M_LIQUID |
264 |
|
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|| (mat & M_IRON && rndm (1, 5) == 1) |
265 |
|
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|| (mat & M_GLASS && rndm (1, 2) == 1) |
266 |
|
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|| ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1) |
267 |
|
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|| ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1) |
268 |
|
|
|| (mat & M_ICE && temp > 32)) |
269 |
|
|
destroy = 1; |
270 |
|
|
} |
271 |
|
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|
272 |
|
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/* adjust overall chance below */ |
273 |
|
|
if (destroy && rndm (0, 1)) |
274 |
|
|
op->destroy (); |
275 |
|
|
} |
276 |
elmex |
1.1 |
} |
277 |
|
|
|
278 |
|
|
/* convert materialname to materialtype_t */ |
279 |
|
|
|
280 |
root |
1.9 |
materialtype_t * |
281 |
root |
1.47 |
name_to_material (const shstr &name) |
282 |
elmex |
1.1 |
{ |
283 |
root |
1.47 |
for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next) |
284 |
|
|
if (name == mt->name) |
285 |
|
|
return mt; |
286 |
elmex |
1.1 |
|
287 |
root |
1.47 |
return materialt; |
288 |
elmex |
1.1 |
} |
289 |
|
|
|
290 |
|
|
/* when doing transmutation of objects, we have to recheck the resistances, |
291 |
|
|
* as some that did not apply previously, may apply now. |
292 |
|
|
*/ |
293 |
|
|
|
294 |
root |
1.9 |
void |
295 |
|
|
transmute_materialname (object *op, const object *change) |
296 |
elmex |
1.1 |
{ |
297 |
root |
1.9 |
materialtype_t *mt; |
298 |
|
|
int j; |
299 |
elmex |
1.1 |
|
300 |
root |
1.9 |
if (op->materialname == NULL) |
301 |
|
|
return; |
302 |
elmex |
1.1 |
|
303 |
root |
1.9 |
if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
304 |
|
|
return; |
305 |
|
|
|
306 |
root |
1.26 |
if (!op->is_armor ()) |
307 |
root |
1.9 |
return; |
308 |
|
|
|
309 |
|
|
mt = name_to_material (op->materialname); |
310 |
|
|
if (!mt) |
311 |
|
|
{ |
312 |
|
|
LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); |
313 |
|
|
return; |
314 |
|
|
} |
315 |
|
|
|
316 |
|
|
for (j = 0; j < NROFATTACKS; j++) |
317 |
|
|
if (op->resist[j] == 0 && change->resist[j] != 0) |
318 |
|
|
{ |
319 |
|
|
op->resist[j] += mt->mod[j]; |
320 |
|
|
if (op->resist[j] > 100) |
321 |
|
|
op->resist[j] = 100; |
322 |
|
|
if (op->resist[j] < -100) |
323 |
|
|
op->resist[j] = -100; |
324 |
|
|
} |
325 |
elmex |
1.1 |
} |
326 |
|
|
|
327 |
|
|
/* set the materialname and type for an item */ |
328 |
root |
1.9 |
void |
329 |
|
|
set_materialname (object *op, int difficulty, materialtype_t *nmt) |
330 |
elmex |
1.1 |
{ |
331 |
root |
1.9 |
materialtype_t *mt, *lmt; |
332 |
|
|
|
333 |
pippijn |
1.5 |
#ifdef NEW_MATERIAL_CODE |
334 |
root |
1.9 |
int j; |
335 |
pippijn |
1.5 |
#endif |
336 |
elmex |
1.1 |
|
337 |
root |
1.9 |
if (op->materialname != NULL) |
338 |
|
|
return; |
339 |
elmex |
1.1 |
|
340 |
|
|
|
341 |
|
|
|
342 |
root |
1.9 |
if (nmt == NULL) |
343 |
|
|
{ |
344 |
|
|
lmt = NULL; |
345 |
elmex |
1.1 |
#ifndef NEW_MATERIAL_CODE |
346 |
root |
1.47 |
for (mt = materialt; mt && mt->next; mt = mt->next) |
347 |
root |
1.9 |
{ |
348 |
root |
1.47 |
if (op->materials & mt->material) |
349 |
root |
1.9 |
{ |
350 |
|
|
lmt = mt; |
351 |
|
|
break; |
352 |
root |
1.2 |
} |
353 |
|
|
} |
354 |
elmex |
1.1 |
|
355 |
|
|
#else |
356 |
root |
1.47 |
for (mt = materialt; mt && mt->next; mt = mt->next) |
357 |
root |
1.9 |
{ |
358 |
root |
1.47 |
if (op->materials & mt->material && rndm (1, 100) <= mt->chance && |
359 |
root |
1.9 |
difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
360 |
|
|
{ |
361 |
|
|
lmt = mt; |
362 |
root |
1.26 |
if (!(op->is_weapon () || op->is_armor ())) |
363 |
root |
1.9 |
break; |
364 |
root |
1.2 |
} |
365 |
|
|
} |
366 |
elmex |
1.1 |
#endif |
367 |
root |
1.9 |
} |
368 |
|
|
else |
369 |
|
|
{ |
370 |
|
|
lmt = nmt; |
371 |
elmex |
1.1 |
} |
372 |
|
|
|
373 |
root |
1.9 |
if (lmt != NULL) |
374 |
|
|
{ |
375 |
elmex |
1.1 |
#ifndef NEW_MATERIAL_CODE |
376 |
root |
1.9 |
op->materialname = lmt->name; |
377 |
|
|
return; |
378 |
elmex |
1.1 |
#else |
379 |
|
|
|
380 |
root |
1.26 |
if (op->stats.dam && op->is_weapon ()) |
381 |
root |
1.9 |
{ |
382 |
|
|
op->stats.dam += lmt->damage; |
383 |
|
|
if (op->stats.dam < 1) |
384 |
|
|
op->stats.dam = 1; |
385 |
|
|
} |
386 |
root |
1.46 |
|
387 |
root |
1.9 |
if (op->stats.sp && op->type == BOW) |
388 |
|
|
op->stats.sp += lmt->sp; |
389 |
root |
1.26 |
if (op->stats.wc && op->is_weapon ()) |
390 |
root |
1.9 |
op->stats.wc += lmt->wc; |
391 |
root |
1.26 |
if (op->is_armor ()) |
392 |
root |
1.9 |
{ |
393 |
|
|
if (op->stats.ac) |
394 |
|
|
op->stats.ac += lmt->ac; |
395 |
|
|
for (j = 0; j < NROFATTACKS; j++) |
396 |
|
|
if (op->resist[j] != 0) |
397 |
|
|
{ |
398 |
|
|
op->resist[j] += lmt->mod[j]; |
399 |
|
|
if (op->resist[j] > 100) |
400 |
|
|
op->resist[j] = 100; |
401 |
|
|
if (op->resist[j] < -100) |
402 |
|
|
op->resist[j] = -100; |
403 |
|
|
} |
404 |
|
|
} |
405 |
root |
1.46 |
op->materialname = lmt->name; |
406 |
root |
1.9 |
/* dont make it unstackable if it doesn't need to be */ |
407 |
root |
1.26 |
if (op->is_weapon () || op->is_armor ()) |
408 |
root |
1.9 |
{ |
409 |
|
|
op->weight = (op->weight * lmt->weight) / 100; |
410 |
|
|
op->value = (op->value * lmt->value) / 100; |
411 |
root |
1.2 |
} |
412 |
elmex |
1.1 |
#endif |
413 |
|
|
} |
414 |
|
|
} |
415 |
|
|
|
416 |
|
|
/* |
417 |
|
|
* Strip out the media tags from a String. |
418 |
|
|
* Warning the input string will contain the result string |
419 |
|
|
*/ |
420 |
root |
1.9 |
void |
421 |
|
|
strip_media_tag (char *message) |
422 |
|
|
{ |
423 |
|
|
int in_tag = 0; |
424 |
|
|
char *dest; |
425 |
|
|
char *src; |
426 |
|
|
|
427 |
|
|
src = dest = message; |
428 |
|
|
while (*src != '\0') |
429 |
|
|
{ |
430 |
|
|
if (*src == '[') |
431 |
|
|
{ |
432 |
|
|
in_tag = 1; |
433 |
|
|
} |
434 |
|
|
else if (in_tag && (*src == ']')) |
435 |
|
|
in_tag = 0; |
436 |
|
|
else if (!in_tag) |
437 |
|
|
{ |
438 |
|
|
*dest = *src; |
439 |
|
|
dest++; |
440 |
|
|
} |
441 |
|
|
src++; |
442 |
|
|
} |
443 |
|
|
*dest = '\0'; |
444 |
|
|
} |
445 |
|
|
|
446 |
|
|
const char * |
447 |
|
|
strrstr (const char *haystack, const char *needle) |
448 |
|
|
{ |
449 |
|
|
const char *lastneedle; |
450 |
|
|
|
451 |
|
|
lastneedle = NULL; |
452 |
|
|
while ((haystack = strstr (haystack, needle)) != NULL) |
453 |
|
|
{ |
454 |
|
|
lastneedle = haystack; |
455 |
|
|
haystack++; |
456 |
elmex |
1.1 |
} |
457 |
root |
1.9 |
return lastneedle; |
458 |
|
|
|
459 |
elmex |
1.1 |
} |
460 |
root |
1.9 |
|
461 |
elmex |
1.1 |
#define EOL_SIZE (sizeof("\n")-1) |
462 |
root |
1.9 |
void |
463 |
|
|
strip_endline (char *buf) |
464 |
|
|
{ |
465 |
|
|
if (strlen (buf) < sizeof ("\n")) |
466 |
|
|
{ |
467 |
|
|
return; |
468 |
elmex |
1.1 |
} |
469 |
root |
1.9 |
if (!strcmp (buf + strlen (buf) - EOL_SIZE, "\n")) |
470 |
|
|
buf[strlen (buf) - EOL_SIZE] = '\0'; |
471 |
elmex |
1.1 |
} |
472 |
|
|
|
473 |
|
|
/** |
474 |
|
|
* Replace in string src all occurrences of key by replacement. The resulting |
475 |
|
|
* string is put into result; at most resultsize characters (including the |
476 |
|
|
* terminating null character) will be written to result. |
477 |
|
|
*/ |
478 |
root |
1.9 |
void |
479 |
|
|
replace (const char *src, const char *key, const char *replacement, char *result, size_t resultsize) |
480 |
elmex |
1.1 |
{ |
481 |
root |
1.9 |
size_t resultlen; |
482 |
|
|
size_t keylen; |
483 |
elmex |
1.1 |
|
484 |
root |
1.9 |
/* special case to prevent infinite loop if key==replacement=="" */ |
485 |
|
|
if (strcmp (key, replacement) == 0) |
486 |
|
|
{ |
487 |
|
|
snprintf (result, resultsize, "%s", src); |
488 |
|
|
return; |
489 |
|
|
} |
490 |
|
|
|
491 |
|
|
keylen = strlen (key); |
492 |
|
|
|
493 |
|
|
resultlen = 0; |
494 |
|
|
while (*src != '\0' && resultlen + 1 < resultsize) |
495 |
|
|
{ |
496 |
|
|
if (strncmp (src, key, keylen) == 0) |
497 |
root |
1.2 |
{ |
498 |
root |
1.9 |
snprintf (result + resultlen, resultsize - resultlen, "%s", replacement); |
499 |
|
|
resultlen += strlen (result + resultlen); |
500 |
|
|
src += keylen; |
501 |
root |
1.2 |
} |
502 |
root |
1.9 |
else |
503 |
root |
1.2 |
{ |
504 |
root |
1.9 |
result[resultlen++] = *src++; |
505 |
root |
1.2 |
} |
506 |
root |
1.9 |
} |
507 |
|
|
result[resultlen] = '\0'; |
508 |
elmex |
1.1 |
} |
509 |
|
|
|
510 |
|
|
/** |
511 |
|
|
* Taking a string as an argument, mutate it into a string that looks like a list. |
512 |
|
|
* a 'list' for the purposes here, is a string of items, seperated by commas, except |
513 |
|
|
* for the last entry, which has an 'and' before it, and a full stop (period) after it. |
514 |
|
|
* This function will also strip all trailing non alphanumeric characters. |
515 |
|
|
* It does not insert an oxford comma. |
516 |
|
|
*/ |
517 |
|
|
|
518 |
root |
1.9 |
void |
519 |
|
|
make_list_like (char *input) |
520 |
|
|
{ |
521 |
|
|
char *p, tmp[MAX_BUF]; |
522 |
|
|
int i; |
523 |
|
|
|
524 |
|
|
if (!input || strlen (input) > MAX_BUF - 5) |
525 |
elmex |
1.1 |
return; |
526 |
root |
1.9 |
/* bad stuff would happen if we continued here, the -5 is to make space for ' and ' */ |
527 |
|
|
|
528 |
|
|
strncpy (tmp, input, MAX_BUF - 5); |
529 |
|
|
/*trim all trailing commas, spaces etc. */ |
530 |
|
|
for (i = strlen (tmp); !isalnum (tmp[i]) && i >= 0; i--) |
531 |
|
|
tmp[i] = '\0'; |
532 |
root |
1.11 |
|
533 |
root |
1.9 |
strcat (tmp, "."); |
534 |
|
|
|
535 |
|
|
p = strrchr (tmp, ','); |
536 |
|
|
if (p) |
537 |
|
|
{ |
538 |
|
|
*p = '\0'; |
539 |
|
|
strcpy (input, tmp); |
540 |
|
|
p++; |
541 |
|
|
strcat (input, " and"); |
542 |
|
|
strcat (input, p); |
543 |
|
|
} |
544 |
|
|
else |
545 |
|
|
strcpy (input, tmp); |
546 |
root |
1.11 |
|
547 |
root |
1.9 |
return; |
548 |
elmex |
1.1 |
} |
549 |
root |
1.3 |
|
550 |
root |
1.14 |
///////////////////////////////////////////////////////////////////////////// |
551 |
|
|
|
552 |
root |
1.37 |
void |
553 |
|
|
fork_abort (const char *msg) |
554 |
|
|
{ |
555 |
|
|
if (!fork ()) |
556 |
|
|
{ |
557 |
|
|
signal (SIGABRT, SIG_DFL); |
558 |
root |
1.52 |
// try to put corefiles into a subdirectory, if existing, to allow |
559 |
|
|
// an administrator to reduce the I/O load. |
560 |
|
|
chdir ("cores"); |
561 |
root |
1.37 |
abort (); |
562 |
|
|
} |
563 |
|
|
|
564 |
root |
1.38 |
LOG (llevError, "fork abort: %s\n", msg); |
565 |
root |
1.37 |
} |
566 |
root |
1.38 |
|
567 |
root |
1.25 |
void *salloc_ (int n) throw (std::bad_alloc) |
568 |
root |
1.10 |
{ |
569 |
root |
1.44 |
#ifdef PREFER_MALLOC |
570 |
|
|
void *ptr = malloc (n); |
571 |
|
|
#else |
572 |
root |
1.25 |
void *ptr = g_slice_alloc (n); |
573 |
root |
1.44 |
#endif |
574 |
root |
1.13 |
|
575 |
root |
1.23 |
if (!ptr) |
576 |
root |
1.13 |
throw std::bad_alloc (); |
577 |
root |
1.4 |
|
578 |
root |
1.23 |
return ptr; |
579 |
|
|
} |
580 |
|
|
|
581 |
root |
1.25 |
void *salloc_ (int n, void *src) throw (std::bad_alloc) |
582 |
root |
1.23 |
{ |
583 |
root |
1.25 |
void *ptr = salloc_ (n); |
584 |
root |
1.23 |
|
585 |
root |
1.24 |
if (src) |
586 |
root |
1.25 |
memcpy (ptr, src, n); |
587 |
root |
1.24 |
else |
588 |
root |
1.25 |
memset (ptr, 0, n); |
589 |
root |
1.23 |
|
590 |
|
|
return ptr; |
591 |
root |
1.3 |
} |
592 |
root |
1.11 |
|
593 |
|
|
void assign (char *dst, const char *src, int maxlen) |
594 |
|
|
{ |
595 |
|
|
if (!src) |
596 |
|
|
src = ""; |
597 |
|
|
|
598 |
|
|
int len = strlen (src); |
599 |
|
|
|
600 |
|
|
if (len >= maxlen - 1) |
601 |
|
|
{ |
602 |
|
|
if (maxlen <= 4) |
603 |
|
|
{ |
604 |
|
|
memset (dst, '.', maxlen - 1); |
605 |
|
|
dst [maxlen - 1] = 0; |
606 |
|
|
} |
607 |
|
|
else |
608 |
|
|
{ |
609 |
|
|
memcpy (dst, src, maxlen - 4); |
610 |
|
|
memcpy (dst + maxlen - 4, "...", 4); |
611 |
|
|
} |
612 |
|
|
} |
613 |
|
|
else |
614 |
|
|
memcpy (dst, src, len + 1); |
615 |
|
|
} |
616 |
|
|
|
617 |
root |
1.51 |
const std::string |
618 |
|
|
format (const char *format, ...) |
619 |
|
|
{ |
620 |
|
|
int len; |
621 |
|
|
|
622 |
|
|
{ |
623 |
|
|
char buf[128]; |
624 |
|
|
|
625 |
|
|
va_list ap; |
626 |
|
|
va_start (ap, format); |
627 |
|
|
len = vsnprintf (buf, sizeof (buf), format, ap); |
628 |
|
|
va_end (ap); |
629 |
|
|
|
630 |
|
|
assert (len >= 0); // shield againstz broken vsnprintf's |
631 |
|
|
|
632 |
|
|
// was our static buffer short enough? |
633 |
|
|
if (len < sizeof (buf)) |
634 |
|
|
return std::string (buf, len); |
635 |
|
|
} |
636 |
|
|
|
637 |
|
|
{ |
638 |
|
|
// longer, try harder |
639 |
|
|
char *buf = salloc<char> (len + 1); |
640 |
|
|
|
641 |
|
|
va_list ap; |
642 |
|
|
va_start (ap, format); |
643 |
|
|
vsnprintf (buf, len + 1, format, ap); |
644 |
|
|
va_end (ap); |
645 |
|
|
|
646 |
|
|
const std::string s (buf, len); |
647 |
|
|
sfree<char> (buf, len + 1); |
648 |
|
|
|
649 |
|
|
return buf; |
650 |
|
|
} |
651 |
|
|
} |
652 |
|
|
|
653 |
root |
1.23 |
tstamp now () |
654 |
|
|
{ |
655 |
|
|
struct timeval tv; |
656 |
|
|
|
657 |
|
|
gettimeofday (&tv, 0); |
658 |
|
|
return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6); |
659 |
|
|
} |
660 |
root |
1.17 |
|
661 |
root |
1.32 |
int |
662 |
|
|
similar_direction (int a, int b) |
663 |
|
|
{ |
664 |
|
|
if (!a || !b) |
665 |
|
|
return 0; |
666 |
|
|
|
667 |
|
|
int diff = (b - a) & 7; |
668 |
|
|
return diff <= 1 || diff >= 7; |
669 |
|
|
} |
670 |
|
|
|
671 |
root |
1.48 |
/* crc32 0xdebb20e3 table and supplementary functions. */ |
672 |
|
|
extern const uint32_t crc_32_tab[256] = |
673 |
|
|
{ |
674 |
|
|
0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL, |
675 |
|
|
0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL, |
676 |
|
|
0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL, |
677 |
|
|
0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL, |
678 |
|
|
0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL, |
679 |
|
|
0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL, |
680 |
|
|
0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL, |
681 |
|
|
0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL, |
682 |
|
|
0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL, |
683 |
|
|
0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL, |
684 |
|
|
0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL, |
685 |
|
|
0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL, |
686 |
|
|
0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL, |
687 |
|
|
0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL, |
688 |
|
|
0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL, |
689 |
|
|
0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL, |
690 |
|
|
0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL, |
691 |
|
|
0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL, |
692 |
|
|
0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL, |
693 |
|
|
0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL, |
694 |
|
|
0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL, |
695 |
|
|
0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL, |
696 |
|
|
0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL, |
697 |
|
|
0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL, |
698 |
|
|
0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL, |
699 |
|
|
0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL, |
700 |
|
|
0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL, |
701 |
|
|
0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL, |
702 |
|
|
0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL, |
703 |
|
|
0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL, |
704 |
|
|
0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL, |
705 |
|
|
0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL, |
706 |
|
|
0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL, |
707 |
|
|
0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL, |
708 |
|
|
0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL, |
709 |
|
|
0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL, |
710 |
|
|
0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL, |
711 |
|
|
0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL, |
712 |
|
|
0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL, |
713 |
|
|
0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL, |
714 |
|
|
0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL, |
715 |
|
|
0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL, |
716 |
|
|
0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL, |
717 |
|
|
0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL, |
718 |
|
|
0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL, |
719 |
|
|
0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL, |
720 |
|
|
0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL, |
721 |
|
|
0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL, |
722 |
|
|
0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL, |
723 |
|
|
0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
724 |
|
|
0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
725 |
|
|
0x2d02ef8dL |
726 |
|
|
}; |
727 |
|
|
|
728 |
|
|
|