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 |
elmex |
1.1 |
/* |
43 |
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* The random functions here take luck into account when rolling random |
44 |
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* dice or numbers. This function has less of an impact the larger the |
45 |
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* difference becomes in the random numbers. IE, the effect is lessened |
46 |
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* on a 1-1000 roll, vs a 1-6 roll. This can be used by crafty programmers, |
47 |
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* to specifically disable luck in certain rolls, simply by making the |
48 |
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* numbers larger (ie, 1d1000 > 500 vs 1d6 > 3) |
49 |
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*/ |
50 |
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|
51 |
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/* |
52 |
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* Roll a random number between min and max. Uses op to determine luck, |
53 |
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* and if goodbad is non-zero, luck increases the roll, if zero, it decreases. |
54 |
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* Generally, op should be the player/caster/hitter requesting the roll, |
55 |
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* not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
56 |
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*/ |
57 |
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|
58 |
root |
1.9 |
int |
59 |
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random_roll (int min, int max, const object *op, int goodbad) |
60 |
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{ |
61 |
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int omin, diff, luck, base, ran; |
62 |
elmex |
1.1 |
|
63 |
root |
1.9 |
omin = min; |
64 |
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diff = max - min + 1; |
65 |
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((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
66 |
elmex |
1.1 |
|
67 |
root |
1.9 |
if (max < 1 || diff < 1) |
68 |
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{ |
69 |
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LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max); |
70 |
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return (min); /* avoids a float exception */ |
71 |
elmex |
1.1 |
} |
72 |
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|
73 |
root |
1.9 |
ran = RANDOM (); |
74 |
elmex |
1.1 |
|
75 |
root |
1.9 |
if (op->type != PLAYER) |
76 |
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return ((ran % diff) + min); |
77 |
elmex |
1.1 |
|
78 |
root |
1.9 |
luck = op->stats.luck; |
79 |
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if (RANDOM () % base < MIN (10, abs (luck))) |
80 |
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{ |
81 |
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/* we have a winner */ |
82 |
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((luck > 0) ? (luck = 1) : (luck = -1)); |
83 |
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diff -= luck; |
84 |
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if (diff < 1) |
85 |
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return (omin); /*check again */ |
86 |
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((goodbad) ? (min += luck) : (diff)); |
87 |
elmex |
1.1 |
|
88 |
root |
1.9 |
return (MAX (omin, MIN (max, (ran % diff) + min))); |
89 |
elmex |
1.1 |
} |
90 |
root |
1.9 |
return ((ran % diff) + min); |
91 |
elmex |
1.1 |
} |
92 |
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|
93 |
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/* |
94 |
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* This is a 64 bit version of random_roll above. This is needed |
95 |
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* for exp loss calculations for players changing religions. |
96 |
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*/ |
97 |
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|
98 |
root |
1.9 |
sint64 |
99 |
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random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) |
100 |
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{ |
101 |
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sint64 omin, diff, luck, ran; |
102 |
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int base; |
103 |
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104 |
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omin = min; |
105 |
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diff = max - min + 1; |
106 |
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((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
107 |
elmex |
1.1 |
|
108 |
root |
1.9 |
if (max < 1 || diff < 1) |
109 |
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{ |
110 |
root |
1.20 |
LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max); |
111 |
root |
1.9 |
return (min); /* avoids a float exception */ |
112 |
elmex |
1.1 |
} |
113 |
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|
114 |
root |
1.9 |
/* Don't know of a portable call to get 64 bit random values. |
115 |
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* So make a call to get two 32 bit random numbers, and just to |
116 |
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* a little byteshifting. Do make sure the first one is only |
117 |
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* 32 bit, so we don't get skewed results |
118 |
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*/ |
119 |
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ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32); |
120 |
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121 |
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if (op->type != PLAYER) |
122 |
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return ((ran % diff) + min); |
123 |
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|
124 |
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luck = op->stats.luck; |
125 |
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if (RANDOM () % base < MIN (10, abs (luck))) |
126 |
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{ |
127 |
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/* we have a winner */ |
128 |
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((luck > 0) ? (luck = 1) : (luck = -1)); |
129 |
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diff -= luck; |
130 |
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if (diff < 1) |
131 |
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return (omin); /*check again */ |
132 |
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((goodbad) ? (min += luck) : (diff)); |
133 |
elmex |
1.1 |
|
134 |
root |
1.9 |
return (MAX (omin, MIN (max, (ran % diff) + min))); |
135 |
elmex |
1.1 |
} |
136 |
root |
1.9 |
return ((ran % diff) + min); |
137 |
elmex |
1.1 |
} |
138 |
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|
139 |
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/* |
140 |
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* Roll a number of dice (2d3, 4d6). Uses op to determine luck, |
141 |
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* If goodbad is non-zero, luck increases the roll, if zero, it decreases. |
142 |
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* Generally, op should be the player/caster/hitter requesting the roll, |
143 |
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* not the recipient (ie, the poor slob getting hit). |
144 |
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* The args are num D size (ie 4d6) [garbled 20010916] |
145 |
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*/ |
146 |
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|
147 |
root |
1.9 |
int |
148 |
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die_roll (int num, int size, const object *op, int goodbad) |
149 |
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{ |
150 |
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int min, diff, luck, total, i, gotlucky, base, ran; |
151 |
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|
152 |
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diff = size; |
153 |
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min = 1; |
154 |
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luck = total = gotlucky = 0; |
155 |
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((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
156 |
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if (size < 2 || diff < 1) |
157 |
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{ |
158 |
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LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); |
159 |
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return (num); /* avoids a float exception */ |
160 |
|
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} |
161 |
elmex |
1.1 |
|
162 |
root |
1.9 |
if (op->type == PLAYER) |
163 |
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luck = op->stats.luck; |
164 |
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|
165 |
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for (i = 0; i < num; i++) |
166 |
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{ |
167 |
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if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) |
168 |
|
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{ |
169 |
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/* we have a winner */ |
170 |
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gotlucky++; |
171 |
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((luck > 0) ? (luck = 1) : (luck = -1)); |
172 |
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diff -= luck; |
173 |
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if (diff < 1) |
174 |
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return (num); /*check again */ |
175 |
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((goodbad) ? (min += luck) : (diff)); |
176 |
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ran = RANDOM (); |
177 |
|
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total += MAX (1, MIN (size, (ran % diff) + min)); |
178 |
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} |
179 |
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else |
180 |
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{ |
181 |
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total += RANDOM () % size + 1; |
182 |
root |
1.2 |
} |
183 |
elmex |
1.1 |
} |
184 |
root |
1.9 |
return (total); |
185 |
elmex |
1.1 |
} |
186 |
|
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|
187 |
|
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/* |
188 |
|
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* Another convenience function. Returns a number between min and max. |
189 |
|
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* It is suggested one use these functions rather than RANDOM()%, as it |
190 |
|
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* would appear that a number of off-by-one-errors exist due to improper |
191 |
|
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* use of %. This should also prevent SIGFPE. |
192 |
|
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*/ |
193 |
|
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|
194 |
root |
1.9 |
int |
195 |
|
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rndm (int min, int max) |
196 |
elmex |
1.1 |
{ |
197 |
|
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int diff; |
198 |
|
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|
199 |
|
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diff = max - min + 1; |
200 |
|
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if (max < 1 || diff < 1) |
201 |
root |
1.9 |
return (min); |
202 |
elmex |
1.1 |
|
203 |
root |
1.9 |
return (RANDOM () % diff + min); |
204 |
elmex |
1.1 |
} |
205 |
|
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|
206 |
root |
1.33 |
/* decay and destroy perishable items in a map */ |
207 |
root |
1.9 |
void |
208 |
root |
1.32 |
maptile::decay_objects () |
209 |
elmex |
1.1 |
{ |
210 |
root |
1.35 |
if (!spaces) |
211 |
|
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return; |
212 |
|
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|
213 |
|
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for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
214 |
|
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for (object *above, *op = ms->bot; op; op = above) |
215 |
|
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{ |
216 |
|
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above = op->above; |
217 |
|
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|
218 |
|
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bool destroy = 0; |
219 |
root |
1.32 |
|
220 |
root |
1.35 |
// do not decay anything above unique floor tiles (yet :) |
221 |
|
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if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
222 |
|
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break; |
223 |
root |
1.32 |
|
224 |
root |
1.35 |
if (QUERY_FLAG (op, FLAG_IS_FLOOR) |
225 |
|
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|| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) |
226 |
|
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|| QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) |
227 |
|
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|| QUERY_FLAG (op, FLAG_UNIQUE) |
228 |
|
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|| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) |
229 |
|
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|| QUERY_FLAG (op, FLAG_UNPAID) |
230 |
|
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|| op->is_alive ()) |
231 |
|
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; // do not decay |
232 |
|
|
else if (op->is_weapon ()) |
233 |
|
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{ |
234 |
|
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op->stats.dam--; |
235 |
|
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if (op->stats.dam < 0) |
236 |
|
|
destroy = 1; |
237 |
|
|
} |
238 |
|
|
else if (op->is_armor ()) |
239 |
|
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{ |
240 |
|
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op->stats.ac--; |
241 |
|
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if (op->stats.ac < 0) |
242 |
|
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destroy = 1; |
243 |
|
|
} |
244 |
|
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else if (op->type == FOOD) |
245 |
|
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{ |
246 |
|
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op->stats.food -= rndm (5, 20); |
247 |
|
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if (op->stats.food < 0) |
248 |
|
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destroy = 1; |
249 |
|
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} |
250 |
|
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else |
251 |
|
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{ |
252 |
|
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int mat = op->material; |
253 |
|
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|
254 |
|
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if (mat & M_PAPER |
255 |
|
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|| mat & M_LEATHER |
256 |
|
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|| mat & M_WOOD |
257 |
|
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|| mat & M_ORGANIC |
258 |
|
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|| mat & M_CLOTH |
259 |
|
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|| mat & M_LIQUID |
260 |
|
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|| (mat & M_IRON && rndm (1, 5) == 1) |
261 |
|
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|| (mat & M_GLASS && rndm (1, 2) == 1) |
262 |
|
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|| ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1) |
263 |
|
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|| ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1) |
264 |
|
|
|| (mat & M_ICE && temp > 32)) |
265 |
|
|
destroy = 1; |
266 |
|
|
} |
267 |
|
|
|
268 |
|
|
/* adjust overall chance below */ |
269 |
|
|
if (destroy && rndm (0, 1)) |
270 |
|
|
op->destroy (); |
271 |
|
|
} |
272 |
elmex |
1.1 |
} |
273 |
|
|
|
274 |
|
|
/* convert materialname to materialtype_t */ |
275 |
|
|
|
276 |
root |
1.9 |
materialtype_t * |
277 |
|
|
name_to_material (const char *name) |
278 |
elmex |
1.1 |
{ |
279 |
root |
1.9 |
materialtype_t *mt, *nmt; |
280 |
elmex |
1.1 |
|
281 |
root |
1.9 |
mt = NULL; |
282 |
|
|
for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next) |
283 |
|
|
{ |
284 |
|
|
if (strcmp (name, nmt->name) == 0) |
285 |
|
|
{ |
286 |
|
|
mt = nmt; |
287 |
|
|
break; |
288 |
root |
1.2 |
} |
289 |
elmex |
1.1 |
} |
290 |
root |
1.9 |
return mt; |
291 |
elmex |
1.1 |
} |
292 |
|
|
|
293 |
|
|
/* when doing transmutation of objects, we have to recheck the resistances, |
294 |
|
|
* as some that did not apply previously, may apply now. |
295 |
|
|
*/ |
296 |
|
|
|
297 |
root |
1.9 |
void |
298 |
|
|
transmute_materialname (object *op, const object *change) |
299 |
elmex |
1.1 |
{ |
300 |
root |
1.9 |
materialtype_t *mt; |
301 |
|
|
int j; |
302 |
elmex |
1.1 |
|
303 |
root |
1.9 |
if (op->materialname == NULL) |
304 |
|
|
return; |
305 |
elmex |
1.1 |
|
306 |
root |
1.9 |
if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
307 |
|
|
return; |
308 |
|
|
|
309 |
root |
1.26 |
if (!op->is_armor ()) |
310 |
root |
1.9 |
return; |
311 |
|
|
|
312 |
|
|
mt = name_to_material (op->materialname); |
313 |
|
|
if (!mt) |
314 |
|
|
{ |
315 |
|
|
LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); |
316 |
|
|
return; |
317 |
|
|
} |
318 |
|
|
|
319 |
|
|
for (j = 0; j < NROFATTACKS; j++) |
320 |
|
|
if (op->resist[j] == 0 && change->resist[j] != 0) |
321 |
|
|
{ |
322 |
|
|
op->resist[j] += mt->mod[j]; |
323 |
|
|
if (op->resist[j] > 100) |
324 |
|
|
op->resist[j] = 100; |
325 |
|
|
if (op->resist[j] < -100) |
326 |
|
|
op->resist[j] = -100; |
327 |
|
|
} |
328 |
elmex |
1.1 |
} |
329 |
|
|
|
330 |
|
|
/* set the materialname and type for an item */ |
331 |
root |
1.9 |
void |
332 |
|
|
set_materialname (object *op, int difficulty, materialtype_t *nmt) |
333 |
elmex |
1.1 |
{ |
334 |
root |
1.9 |
materialtype_t *mt, *lmt; |
335 |
|
|
|
336 |
pippijn |
1.5 |
#ifdef NEW_MATERIAL_CODE |
337 |
root |
1.9 |
int j; |
338 |
pippijn |
1.5 |
#endif |
339 |
elmex |
1.1 |
|
340 |
root |
1.9 |
if (op->materialname != NULL) |
341 |
|
|
return; |
342 |
elmex |
1.1 |
|
343 |
|
|
|
344 |
|
|
|
345 |
root |
1.9 |
if (nmt == NULL) |
346 |
|
|
{ |
347 |
|
|
lmt = NULL; |
348 |
elmex |
1.1 |
#ifndef NEW_MATERIAL_CODE |
349 |
root |
1.9 |
for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
350 |
|
|
{ |
351 |
|
|
if (op->material & mt->material) |
352 |
|
|
{ |
353 |
|
|
lmt = mt; |
354 |
|
|
break; |
355 |
root |
1.2 |
} |
356 |
|
|
} |
357 |
elmex |
1.1 |
|
358 |
|
|
#else |
359 |
root |
1.9 |
for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
360 |
|
|
{ |
361 |
|
|
if (op->material & mt->material && rndm (1, 100) <= mt->chance && |
362 |
|
|
difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
363 |
|
|
{ |
364 |
|
|
lmt = mt; |
365 |
root |
1.26 |
if (!(op->is_weapon () || op->is_armor ())) |
366 |
root |
1.9 |
break; |
367 |
root |
1.2 |
} |
368 |
|
|
} |
369 |
elmex |
1.1 |
#endif |
370 |
root |
1.9 |
} |
371 |
|
|
else |
372 |
|
|
{ |
373 |
|
|
lmt = nmt; |
374 |
elmex |
1.1 |
} |
375 |
|
|
|
376 |
root |
1.9 |
if (lmt != NULL) |
377 |
|
|
{ |
378 |
elmex |
1.1 |
#ifndef NEW_MATERIAL_CODE |
379 |
root |
1.9 |
op->materialname = lmt->name; |
380 |
|
|
return; |
381 |
elmex |
1.1 |
#else |
382 |
|
|
|
383 |
root |
1.26 |
if (op->stats.dam && op->is_weapon ()) |
384 |
root |
1.9 |
{ |
385 |
|
|
op->stats.dam += lmt->damage; |
386 |
|
|
if (op->stats.dam < 1) |
387 |
|
|
op->stats.dam = 1; |
388 |
|
|
} |
389 |
|
|
if (op->stats.sp && op->type == BOW) |
390 |
|
|
op->stats.sp += lmt->sp; |
391 |
root |
1.26 |
if (op->stats.wc && op->is_weapon ()) |
392 |
root |
1.9 |
op->stats.wc += lmt->wc; |
393 |
root |
1.26 |
if (op->is_armor ()) |
394 |
root |
1.9 |
{ |
395 |
|
|
if (op->stats.ac) |
396 |
|
|
op->stats.ac += lmt->ac; |
397 |
|
|
for (j = 0; j < NROFATTACKS; j++) |
398 |
|
|
if (op->resist[j] != 0) |
399 |
|
|
{ |
400 |
|
|
op->resist[j] += lmt->mod[j]; |
401 |
|
|
if (op->resist[j] > 100) |
402 |
|
|
op->resist[j] = 100; |
403 |
|
|
if (op->resist[j] < -100) |
404 |
|
|
op->resist[j] = -100; |
405 |
|
|
} |
406 |
|
|
} |
407 |
|
|
op->materialname = add_string (lmt->name); |
408 |
|
|
/* dont make it unstackable if it doesn't need to be */ |
409 |
root |
1.26 |
if (op->is_weapon () || op->is_armor ()) |
410 |
root |
1.9 |
{ |
411 |
|
|
op->weight = (op->weight * lmt->weight) / 100; |
412 |
|
|
op->value = (op->value * lmt->value) / 100; |
413 |
root |
1.2 |
} |
414 |
elmex |
1.1 |
#endif |
415 |
|
|
} |
416 |
|
|
} |
417 |
|
|
|
418 |
|
|
/* |
419 |
|
|
* Strip out the media tags from a String. |
420 |
|
|
* Warning the input string will contain the result string |
421 |
|
|
*/ |
422 |
root |
1.9 |
void |
423 |
|
|
strip_media_tag (char *message) |
424 |
|
|
{ |
425 |
|
|
int in_tag = 0; |
426 |
|
|
char *dest; |
427 |
|
|
char *src; |
428 |
|
|
|
429 |
|
|
src = dest = message; |
430 |
|
|
while (*src != '\0') |
431 |
|
|
{ |
432 |
|
|
if (*src == '[') |
433 |
|
|
{ |
434 |
|
|
in_tag = 1; |
435 |
|
|
} |
436 |
|
|
else if (in_tag && (*src == ']')) |
437 |
|
|
in_tag = 0; |
438 |
|
|
else if (!in_tag) |
439 |
|
|
{ |
440 |
|
|
*dest = *src; |
441 |
|
|
dest++; |
442 |
|
|
} |
443 |
|
|
src++; |
444 |
|
|
} |
445 |
|
|
*dest = '\0'; |
446 |
|
|
} |
447 |
|
|
|
448 |
|
|
const char * |
449 |
|
|
strrstr (const char *haystack, const char *needle) |
450 |
|
|
{ |
451 |
|
|
const char *lastneedle; |
452 |
|
|
|
453 |
|
|
lastneedle = NULL; |
454 |
|
|
while ((haystack = strstr (haystack, needle)) != NULL) |
455 |
|
|
{ |
456 |
|
|
lastneedle = haystack; |
457 |
|
|
haystack++; |
458 |
elmex |
1.1 |
} |
459 |
root |
1.9 |
return lastneedle; |
460 |
|
|
|
461 |
elmex |
1.1 |
} |
462 |
root |
1.9 |
|
463 |
elmex |
1.1 |
#define EOL_SIZE (sizeof("\n")-1) |
464 |
root |
1.9 |
void |
465 |
|
|
strip_endline (char *buf) |
466 |
|
|
{ |
467 |
|
|
if (strlen (buf) < sizeof ("\n")) |
468 |
|
|
{ |
469 |
|
|
return; |
470 |
elmex |
1.1 |
} |
471 |
root |
1.9 |
if (!strcmp (buf + strlen (buf) - EOL_SIZE, "\n")) |
472 |
|
|
buf[strlen (buf) - EOL_SIZE] = '\0'; |
473 |
elmex |
1.1 |
} |
474 |
|
|
|
475 |
|
|
/** |
476 |
|
|
* Replace in string src all occurrences of key by replacement. The resulting |
477 |
|
|
* string is put into result; at most resultsize characters (including the |
478 |
|
|
* terminating null character) will be written to result. |
479 |
|
|
*/ |
480 |
root |
1.9 |
void |
481 |
|
|
replace (const char *src, const char *key, const char *replacement, char *result, size_t resultsize) |
482 |
elmex |
1.1 |
{ |
483 |
root |
1.9 |
size_t resultlen; |
484 |
|
|
size_t keylen; |
485 |
elmex |
1.1 |
|
486 |
root |
1.9 |
/* special case to prevent infinite loop if key==replacement=="" */ |
487 |
|
|
if (strcmp (key, replacement) == 0) |
488 |
|
|
{ |
489 |
|
|
snprintf (result, resultsize, "%s", src); |
490 |
|
|
return; |
491 |
|
|
} |
492 |
|
|
|
493 |
|
|
keylen = strlen (key); |
494 |
|
|
|
495 |
|
|
resultlen = 0; |
496 |
|
|
while (*src != '\0' && resultlen + 1 < resultsize) |
497 |
|
|
{ |
498 |
|
|
if (strncmp (src, key, keylen) == 0) |
499 |
root |
1.2 |
{ |
500 |
root |
1.9 |
snprintf (result + resultlen, resultsize - resultlen, "%s", replacement); |
501 |
|
|
resultlen += strlen (result + resultlen); |
502 |
|
|
src += keylen; |
503 |
root |
1.2 |
} |
504 |
root |
1.9 |
else |
505 |
root |
1.2 |
{ |
506 |
root |
1.9 |
result[resultlen++] = *src++; |
507 |
root |
1.2 |
} |
508 |
root |
1.9 |
} |
509 |
|
|
result[resultlen] = '\0'; |
510 |
elmex |
1.1 |
} |
511 |
|
|
|
512 |
|
|
/** |
513 |
|
|
* Taking a string as an argument, mutate it into a string that looks like a list. |
514 |
|
|
* a 'list' for the purposes here, is a string of items, seperated by commas, except |
515 |
|
|
* for the last entry, which has an 'and' before it, and a full stop (period) after it. |
516 |
|
|
* This function will also strip all trailing non alphanumeric characters. |
517 |
|
|
* It does not insert an oxford comma. |
518 |
|
|
*/ |
519 |
|
|
|
520 |
root |
1.9 |
void |
521 |
|
|
make_list_like (char *input) |
522 |
|
|
{ |
523 |
|
|
char *p, tmp[MAX_BUF]; |
524 |
|
|
int i; |
525 |
|
|
|
526 |
|
|
if (!input || strlen (input) > MAX_BUF - 5) |
527 |
elmex |
1.1 |
return; |
528 |
root |
1.9 |
/* bad stuff would happen if we continued here, the -5 is to make space for ' and ' */ |
529 |
|
|
|
530 |
|
|
strncpy (tmp, input, MAX_BUF - 5); |
531 |
|
|
/*trim all trailing commas, spaces etc. */ |
532 |
|
|
for (i = strlen (tmp); !isalnum (tmp[i]) && i >= 0; i--) |
533 |
|
|
tmp[i] = '\0'; |
534 |
root |
1.11 |
|
535 |
root |
1.9 |
strcat (tmp, "."); |
536 |
|
|
|
537 |
|
|
p = strrchr (tmp, ','); |
538 |
|
|
if (p) |
539 |
|
|
{ |
540 |
|
|
*p = '\0'; |
541 |
|
|
strcpy (input, tmp); |
542 |
|
|
p++; |
543 |
|
|
strcat (input, " and"); |
544 |
|
|
strcat (input, p); |
545 |
|
|
} |
546 |
|
|
else |
547 |
|
|
strcpy (input, tmp); |
548 |
root |
1.11 |
|
549 |
root |
1.9 |
return; |
550 |
elmex |
1.1 |
} |
551 |
root |
1.3 |
|
552 |
root |
1.14 |
///////////////////////////////////////////////////////////////////////////// |
553 |
|
|
|
554 |
root |
1.37 |
void |
555 |
|
|
fork_abort (const char *msg) |
556 |
|
|
{ |
557 |
|
|
if (!fork ()) |
558 |
|
|
{ |
559 |
|
|
signal (SIGABRT, SIG_DFL); |
560 |
|
|
abort (); |
561 |
|
|
} |
562 |
|
|
|
563 |
root |
1.38 |
LOG (llevError, "fork abort: %s\n", msg); |
564 |
root |
1.37 |
} |
565 |
root |
1.38 |
|
566 |
root |
1.25 |
void *salloc_ (int n) throw (std::bad_alloc) |
567 |
root |
1.10 |
{ |
568 |
root |
1.25 |
void *ptr = g_slice_alloc (n); |
569 |
root |
1.13 |
|
570 |
root |
1.23 |
if (!ptr) |
571 |
root |
1.13 |
throw std::bad_alloc (); |
572 |
root |
1.4 |
|
573 |
root |
1.23 |
return ptr; |
574 |
|
|
} |
575 |
|
|
|
576 |
root |
1.25 |
void *salloc_ (int n, void *src) throw (std::bad_alloc) |
577 |
root |
1.23 |
{ |
578 |
root |
1.25 |
void *ptr = salloc_ (n); |
579 |
root |
1.23 |
|
580 |
root |
1.24 |
if (src) |
581 |
root |
1.25 |
memcpy (ptr, src, n); |
582 |
root |
1.24 |
else |
583 |
root |
1.25 |
memset (ptr, 0, n); |
584 |
root |
1.23 |
|
585 |
|
|
return ptr; |
586 |
root |
1.3 |
} |
587 |
root |
1.11 |
|
588 |
|
|
void assign (char *dst, const char *src, int maxlen) |
589 |
|
|
{ |
590 |
|
|
if (!src) |
591 |
|
|
src = ""; |
592 |
|
|
|
593 |
|
|
int len = strlen (src); |
594 |
|
|
|
595 |
|
|
if (len >= maxlen - 1) |
596 |
|
|
{ |
597 |
|
|
if (maxlen <= 4) |
598 |
|
|
{ |
599 |
|
|
memset (dst, '.', maxlen - 1); |
600 |
|
|
dst [maxlen - 1] = 0; |
601 |
|
|
} |
602 |
|
|
else |
603 |
|
|
{ |
604 |
|
|
memcpy (dst, src, maxlen - 4); |
605 |
|
|
memcpy (dst + maxlen - 4, "...", 4); |
606 |
|
|
} |
607 |
|
|
} |
608 |
|
|
else |
609 |
|
|
memcpy (dst, src, len + 1); |
610 |
|
|
} |
611 |
|
|
|
612 |
root |
1.23 |
tstamp now () |
613 |
|
|
{ |
614 |
|
|
struct timeval tv; |
615 |
|
|
|
616 |
|
|
gettimeofday (&tv, 0); |
617 |
|
|
return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6); |
618 |
|
|
} |
619 |
root |
1.17 |
|
620 |
root |
1.32 |
int |
621 |
|
|
similar_direction (int a, int b) |
622 |
|
|
{ |
623 |
|
|
if (!a || !b) |
624 |
|
|
return 0; |
625 |
|
|
|
626 |
|
|
int diff = (b - a) & 7; |
627 |
|
|
return diff <= 1 || diff >= 7; |
628 |
|
|
} |
629 |
|
|
|