| 1 | |
|
|
| 2 | /* |
1 | /* |
| 3 | * static char *rcsid_utils_c = |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
| 4 | * "$Id: utils.C,v 1.12 2006/09/12 20:55:40 root Exp $"; |
3 | * |
|
|
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
|
|
5 | * |
|
|
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
|
|
7 | * the terms of the Affero GNU General Public License as published by the |
|
|
8 | * Free Software Foundation, either version 3 of the License, or (at your |
|
|
9 | * option) any later version. |
|
|
10 | * |
|
|
11 | * This program is distributed in the hope that it will be useful, |
|
|
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
|
14 | * GNU General Public License for more details. |
|
|
15 | * |
|
|
16 | * You should have received a copy of the Affero GNU General Public License |
|
|
17 | * and the GNU General Public License along with this program. If not, see |
|
|
18 | * <http://www.gnu.org/licenses/>. |
|
|
19 | * |
|
|
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
| 5 | */ |
21 | */ |
| 6 | |
22 | |
| 7 | /* |
23 | /* |
| 8 | CrossFire, A Multiplayer game for X-windows |
|
|
| 9 | |
|
|
| 10 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
|
|
| 11 | Copyright (C) 1992 Frank Tore Johansen |
|
|
| 12 | |
|
|
| 13 | This program is free software; you can redistribute it and/or modify |
|
|
| 14 | it under the terms of the GNU General Public License as published by |
|
|
| 15 | the Free Software Foundation; either version 2 of the License, or |
|
|
| 16 | (at your option) any later version. |
|
|
| 17 | |
|
|
| 18 | This program is distributed in the hope that it will be useful, |
|
|
| 19 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
|
| 21 | GNU General Public License for more details. |
|
|
| 22 | |
|
|
| 23 | You should have received a copy of the GNU General Public License |
|
|
| 24 | along with this program; if not, write to the Free Software |
|
|
| 25 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
|
|
| 26 | |
|
|
| 27 | The authors can be reached via e-mail at crossfire-devel@real-time.com |
|
|
| 28 | */ |
|
|
| 29 | |
|
|
| 30 | /* |
|
|
| 31 | * General convenience functions for crossfire. |
24 | * General convenience functions for deliantra. |
| 32 | */ |
25 | */ |
| 33 | |
26 | |
|
|
27 | #include <cstdlib> |
|
|
28 | #include <sys/types.h> |
|
|
29 | #include <unistd.h> |
|
|
30 | #include <sys/time.h> |
|
|
31 | #include <time.h> |
|
|
32 | #include <signal.h> |
|
|
33 | |
| 34 | #include <global.h> |
34 | #include <global.h> |
| 35 | #include <funcpoint.h> |
|
|
| 36 | #include <material.h> |
35 | #include <material.h> |
|
|
36 | #include <object.h> |
|
|
37 | |
|
|
38 | #include <sys/time.h> |
|
|
39 | #include <sys/resource.h> |
| 37 | |
40 | |
| 38 | #include <glib.h> |
41 | #include <glib.h> |
| 39 | |
42 | |
| 40 | /* |
43 | refcnt_base::refcnt_t refcnt_dummy; |
| 41 | * The random functions here take luck into account when rolling random |
44 | ssize_t slice_alloc; |
| 42 | * dice or numbers. This function has less of an impact the larger the |
45 | rand_gen rndm, rmg_rndm; |
| 43 | * difference becomes in the random numbers. IE, the effect is lessened |
46 | |
| 44 | * on a 1-1000 roll, vs a 1-6 roll. This can be used by crafty programmers, |
47 | #if !GCC_VERSION(3,4) |
| 45 | * to specifically disable luck in certain rolls, simply by making the |
48 | int least_significant_bit (uint32_t x) |
| 46 | * numbers larger (ie, 1d1000 > 500 vs 1d6 > 3) |
49 | { |
|
|
50 | x &= -x; // this isolates the lowest bit |
|
|
51 | |
|
|
52 | int r = 0; |
|
|
53 | |
|
|
54 | if (x & 0xaaaaaaaa) r += 1; |
|
|
55 | if (x & 0xcccccccc) r += 2; |
|
|
56 | if (x & 0xf0f0f0f0) r += 4; |
|
|
57 | if (x & 0xff00ff00) r += 8; |
|
|
58 | if (x & 0xffff0000) r += 16; |
|
|
59 | |
|
|
60 | return r; |
|
|
61 | } |
|
|
62 | #endif |
|
|
63 | |
|
|
64 | void |
|
|
65 | tausworthe_random_generator::seed (uint32_t seed) |
|
|
66 | { |
|
|
67 | state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; |
|
|
68 | state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; |
|
|
69 | state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; |
|
|
70 | state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U; |
|
|
71 | |
|
|
72 | for (int i = 11; --i; ) |
|
|
73 | next (); |
|
|
74 | } |
|
|
75 | |
|
|
76 | uint32_t |
|
|
77 | tausworthe_random_generator::next () |
|
|
78 | { |
|
|
79 | state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U); |
|
|
80 | state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U); |
|
|
81 | state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U); |
|
|
82 | state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); |
|
|
83 | |
|
|
84 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
|
|
85 | } |
|
|
86 | |
|
|
87 | template<class generator> |
|
|
88 | uint32_t |
|
|
89 | random_number_generator<generator>::get_range (uint32_t num) |
|
|
90 | { |
|
|
91 | return (this->next () * (uint64_t)num) >> 32U; |
|
|
92 | } |
|
|
93 | |
|
|
94 | // return a number within (min .. max) |
|
|
95 | template<class generator> |
|
|
96 | int |
|
|
97 | random_number_generator<generator>::get_range (int r_min, int r_max) |
|
|
98 | { |
|
|
99 | return r_min + get_range (max (r_max - r_min + 1, 0)); |
|
|
100 | } |
|
|
101 | |
|
|
102 | template struct random_number_generator<tausworthe_random_generator>; |
|
|
103 | template struct random_number_generator<xorshift_random_generator>; |
|
|
104 | |
|
|
105 | /******************************************************************************/ |
|
|
106 | |
|
|
107 | /* Checks a player-provided string which will become the msg property of |
|
|
108 | * an object for dangerous input. |
| 47 | */ |
109 | */ |
|
|
110 | bool |
|
|
111 | msg_is_safe (const char *msg) |
|
|
112 | { |
|
|
113 | bool safe = true; |
| 48 | |
114 | |
| 49 | /* |
115 | /* Trying to cheat by getting data into the object */ |
| 50 | * Roll a random number between min and max. Uses op to determine luck, |
116 | if (!strncmp (msg, "endmsg", sizeof ("endmsg") - 1) |
| 51 | * and if goodbad is non-zero, luck increases the roll, if zero, it decreases. |
117 | || strstr (msg, "\nendmsg")) |
| 52 | * Generally, op should be the player/caster/hitter requesting the roll, |
118 | safe = false; |
| 53 | * not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
119 | |
| 54 | */ |
120 | /* Trying to make the object talk, and potentially access arbitrary code */ |
|
|
121 | if (object::msg_has_dialogue (msg)) |
|
|
122 | safe = false; |
|
|
123 | |
|
|
124 | return safe; |
|
|
125 | } |
|
|
126 | |
|
|
127 | ///////////////////////////////////////////////////////////////////////////// |
|
|
128 | |
|
|
129 | void |
|
|
130 | fork_abort (const char *msg) |
|
|
131 | { |
|
|
132 | if (!fork ()) |
|
|
133 | { |
|
|
134 | signal (SIGINT , SIG_IGN); |
|
|
135 | signal (SIGTERM, SIG_IGN); |
|
|
136 | signal (SIGABRT, SIG_IGN); |
|
|
137 | |
|
|
138 | signal (SIGSEGV, SIG_DFL); |
|
|
139 | signal (SIGBUS , SIG_DFL); |
|
|
140 | signal (SIGILL , SIG_DFL); |
|
|
141 | signal (SIGTRAP, SIG_DFL); |
|
|
142 | |
|
|
143 | // try to put corefiles into a subdirectory, if existing, to allow |
|
|
144 | // an administrator to reduce the I/O load. |
|
|
145 | chdir ("cores"); |
|
|
146 | |
|
|
147 | // try to detach us from as many external dependencies as possible |
|
|
148 | // as coredumping can take time by closing all fd's. |
|
|
149 | { |
|
|
150 | struct rlimit lim; |
|
|
151 | |
|
|
152 | if (getrlimit (RLIMIT_NOFILE, &lim)) |
|
|
153 | lim.rlim_cur = 1024; |
|
|
154 | |
|
|
155 | for (int i = 0; i < lim.rlim_cur; ++i) |
|
|
156 | close (i); |
|
|
157 | } |
|
|
158 | |
|
|
159 | { |
|
|
160 | sigset_t empty; |
|
|
161 | sigemptyset (&empty); |
|
|
162 | sigprocmask (SIG_SETMASK, &empty, 0); |
|
|
163 | } |
|
|
164 | |
|
|
165 | // try to coredump with SIGTRAP |
|
|
166 | kill (getpid (), SIGTRAP); |
|
|
167 | abort (); |
|
|
168 | } |
|
|
169 | |
|
|
170 | LOG (llevError, "fork abort: %s\n", msg); |
|
|
171 | } |
|
|
172 | |
|
|
173 | void *salloc_ (int n) throw (std::bad_alloc) |
|
|
174 | { |
|
|
175 | void *ptr = g_slice_alloc (n); |
|
|
176 | |
|
|
177 | if (!ptr) |
|
|
178 | throw std::bad_alloc (); |
|
|
179 | |
|
|
180 | slice_alloc += n; |
|
|
181 | return ptr; |
|
|
182 | } |
|
|
183 | |
|
|
184 | void *salloc_ (int n, void *src) throw (std::bad_alloc) |
|
|
185 | { |
|
|
186 | void *ptr = salloc_ (n); |
|
|
187 | |
|
|
188 | if (src) |
|
|
189 | memcpy (ptr, src, n); |
|
|
190 | else |
|
|
191 | memset (ptr, 0, n); |
|
|
192 | |
|
|
193 | return ptr; |
|
|
194 | } |
|
|
195 | |
|
|
196 | /******************************************************************************/ |
|
|
197 | |
|
|
198 | #if DEBUG_SALLOC |
|
|
199 | |
|
|
200 | #define MAGIC 0xa1b2c35543deadLL |
|
|
201 | |
|
|
202 | void *g_slice_alloc (unsigned long size) |
|
|
203 | { |
|
|
204 | unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long)); |
|
|
205 | *p++ = size ^ MAGIC; |
|
|
206 | //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D |
|
|
207 | return (void *)p; |
|
|
208 | } |
|
|
209 | |
|
|
210 | void *g_slice_alloc0 (unsigned long size) |
|
|
211 | { |
|
|
212 | return memset (g_slice_alloc (size), 0, size); |
|
|
213 | } |
|
|
214 | |
|
|
215 | void g_slice_free1 (unsigned long size, void *ptr) |
|
|
216 | { |
|
|
217 | //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D |
|
|
218 | if (expect_true (ptr)) |
|
|
219 | { |
|
|
220 | unsigned long *p = (unsigned long *)ptr; |
|
|
221 | unsigned long s = *--p ^ MAGIC; |
|
|
222 | |
|
|
223 | if (size != (unsigned long)(*p ^ MAGIC)) |
|
|
224 | { |
|
|
225 | LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s); |
|
|
226 | abort (); |
|
|
227 | } |
|
|
228 | |
|
|
229 | *p = MAGIC; |
|
|
230 | |
|
|
231 | (g_slice_free1)(s + sizeof (unsigned long), p); |
|
|
232 | } |
|
|
233 | } |
|
|
234 | |
|
|
235 | #endif |
|
|
236 | |
|
|
237 | /******************************************************************************/ |
| 55 | |
238 | |
| 56 | int |
239 | int |
| 57 | random_roll (int min, int max, const object *op, int goodbad) |
240 | assign (char *dst, const char *src, int maxsize) |
| 58 | { |
241 | { |
| 59 | int omin, diff, luck, base, ran; |
242 | if (!src) |
|
|
243 | src = ""; |
| 60 | |
244 | |
| 61 | omin = min; |
245 | int len = strlen (src); |
| 62 | diff = max - min + 1; |
|
|
| 63 | ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
|
|
| 64 | |
246 | |
| 65 | if (max < 1 || diff < 1) |
247 | if (len >= maxsize) |
| 66 | { |
248 | { |
| 67 | LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max); |
249 | if (maxsize <= 4) |
| 68 | return (min); /* avoids a float exception */ |
|
|
| 69 | } |
|
|
| 70 | |
|
|
| 71 | ran = RANDOM (); |
|
|
| 72 | |
|
|
| 73 | if (op->type != PLAYER) |
|
|
| 74 | return ((ran % diff) + min); |
|
|
| 75 | |
|
|
| 76 | luck = op->stats.luck; |
|
|
| 77 | if (RANDOM () % base < MIN (10, abs (luck))) |
|
|
| 78 | { |
|
|
| 79 | /* we have a winner */ |
|
|
| 80 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
|
|
| 81 | diff -= luck; |
|
|
| 82 | if (diff < 1) |
|
|
| 83 | return (omin); /*check again */ |
|
|
| 84 | ((goodbad) ? (min += luck) : (diff)); |
|
|
| 85 | |
|
|
| 86 | return (MAX (omin, MIN (max, (ran % diff) + min))); |
|
|
| 87 | } |
|
|
| 88 | return ((ran % diff) + min); |
|
|
| 89 | } |
|
|
| 90 | |
|
|
| 91 | /* |
|
|
| 92 | * This is a 64 bit version of random_roll above. This is needed |
|
|
| 93 | * for exp loss calculations for players changing religions. |
|
|
| 94 | */ |
|
|
| 95 | |
|
|
| 96 | sint64 |
|
|
| 97 | random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) |
|
|
| 98 | { |
|
|
| 99 | sint64 omin, diff, luck, ran; |
|
|
| 100 | int base; |
|
|
| 101 | |
|
|
| 102 | omin = min; |
|
|
| 103 | diff = max - min + 1; |
|
|
| 104 | ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
|
|
| 105 | |
|
|
| 106 | if (max < 1 || diff < 1) |
|
|
| 107 | { |
|
|
| 108 | #ifndef WIN32 |
|
|
| 109 | LOG (llevError, "Calling random_roll with min=%lld max=%lld\n", min, max); |
|
|
| 110 | #else |
|
|
| 111 | LOG (llevError, "Calling random_roll with min=%I64d max=%I64d\n", min, max); |
|
|
| 112 | #endif |
|
|
| 113 | return (min); /* avoids a float exception */ |
|
|
| 114 | } |
|
|
| 115 | |
|
|
| 116 | /* Don't know of a portable call to get 64 bit random values. |
|
|
| 117 | * So make a call to get two 32 bit random numbers, and just to |
|
|
| 118 | * a little byteshifting. Do make sure the first one is only |
|
|
| 119 | * 32 bit, so we don't get skewed results |
|
|
| 120 | */ |
|
|
| 121 | ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32); |
|
|
| 122 | |
|
|
| 123 | if (op->type != PLAYER) |
|
|
| 124 | return ((ran % diff) + min); |
|
|
| 125 | |
|
|
| 126 | luck = op->stats.luck; |
|
|
| 127 | if (RANDOM () % base < MIN (10, abs (luck))) |
|
|
| 128 | { |
|
|
| 129 | /* we have a winner */ |
|
|
| 130 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
|
|
| 131 | diff -= luck; |
|
|
| 132 | if (diff < 1) |
|
|
| 133 | return (omin); /*check again */ |
|
|
| 134 | ((goodbad) ? (min += luck) : (diff)); |
|
|
| 135 | |
|
|
| 136 | return (MAX (omin, MIN (max, (ran % diff) + min))); |
|
|
| 137 | } |
|
|
| 138 | return ((ran % diff) + min); |
|
|
| 139 | } |
|
|
| 140 | |
|
|
| 141 | /* |
|
|
| 142 | * Roll a number of dice (2d3, 4d6). Uses op to determine luck, |
|
|
| 143 | * If goodbad is non-zero, luck increases the roll, if zero, it decreases. |
|
|
| 144 | * Generally, op should be the player/caster/hitter requesting the roll, |
|
|
| 145 | * not the recipient (ie, the poor slob getting hit). |
|
|
| 146 | * The args are num D size (ie 4d6) [garbled 20010916] |
|
|
| 147 | */ |
|
|
| 148 | |
|
|
| 149 | int |
|
|
| 150 | die_roll (int num, int size, const object *op, int goodbad) |
|
|
| 151 | { |
|
|
| 152 | int min, diff, luck, total, i, gotlucky, base, ran; |
|
|
| 153 | |
|
|
| 154 | diff = size; |
|
|
| 155 | min = 1; |
|
|
| 156 | luck = total = gotlucky = 0; |
|
|
| 157 | ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
|
|
| 158 | if (size < 2 || diff < 1) |
|
|
| 159 | { |
|
|
| 160 | LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); |
|
|
| 161 | return (num); /* avoids a float exception */ |
|
|
| 162 | } |
|
|
| 163 | |
|
|
| 164 | if (op->type == PLAYER) |
|
|
| 165 | luck = op->stats.luck; |
|
|
| 166 | |
|
|
| 167 | for (i = 0; i < num; i++) |
|
|
| 168 | { |
|
|
| 169 | if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) |
|
|
| 170 | { |
250 | { |
| 171 | /* we have a winner */ |
251 | memset (dst, '.', maxsize - 2); |
| 172 | gotlucky++; |
252 | dst [maxsize - 1] = 0; |
| 173 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
|
|
| 174 | diff -= luck; |
|
|
| 175 | if (diff < 1) |
|
|
| 176 | return (num); /*check again */ |
|
|
| 177 | ((goodbad) ? (min += luck) : (diff)); |
|
|
| 178 | ran = RANDOM (); |
|
|
| 179 | total += MAX (1, MIN (size, (ran % diff) + min)); |
|
|
| 180 | } |
253 | } |
| 181 | else |
254 | else |
| 182 | { |
255 | { |
| 183 | total += RANDOM () % size + 1; |
256 | memcpy (dst, src, maxsize - 4); |
|
|
257 | memcpy (dst + maxsize - 4, "...", 4); |
| 184 | } |
258 | } |
| 185 | } |
|
|
| 186 | return (total); |
|
|
| 187 | } |
|
|
| 188 | |
259 | |
| 189 | /* |
260 | len = maxsize; |
| 190 | * Another convenience function. Returns a number between min and max. |
|
|
| 191 | * It is suggested one use these functions rather than RANDOM()%, as it |
|
|
| 192 | * would appear that a number of off-by-one-errors exist due to improper |
|
|
| 193 | * use of %. This should also prevent SIGFPE. |
|
|
| 194 | */ |
|
|
| 195 | |
|
|
| 196 | int |
|
|
| 197 | rndm (int min, int max) |
|
|
| 198 | { |
|
|
| 199 | int diff; |
|
|
| 200 | |
|
|
| 201 | diff = max - min + 1; |
|
|
| 202 | if (max < 1 || diff < 1) |
|
|
| 203 | return (min); |
|
|
| 204 | |
|
|
| 205 | return (RANDOM () % diff + min); |
|
|
| 206 | } |
|
|
| 207 | |
|
|
| 208 | /* decay and destroy persihable items in a map */ |
|
|
| 209 | |
|
|
| 210 | void |
|
|
| 211 | decay_objects (mapstruct *m) |
|
|
| 212 | { |
|
|
| 213 | int x, y, destroy; |
|
|
| 214 | object *op, *otmp; |
|
|
| 215 | |
|
|
| 216 | if (m->unique) |
|
|
| 217 | return; |
|
|
| 218 | |
|
|
| 219 | for (x = 0; x < MAP_WIDTH (m); x++) |
|
|
| 220 | for (y = 0; y < MAP_HEIGHT (m); y++) |
|
|
| 221 | for (op = get_map_ob (m, x, y); op; op = otmp) |
|
|
| 222 | { |
|
|
| 223 | destroy = 0; |
|
|
| 224 | otmp = op->above; |
|
|
| 225 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
|
|
| 226 | break; |
|
|
| 227 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) || |
|
|
| 228 | QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) || |
|
|
| 229 | QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) || |
|
|
| 230 | QUERY_FLAG (op, FLAG_UNIQUE) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) || QUERY_FLAG (op, FLAG_UNPAID) || IS_LIVE (op)) |
|
|
| 231 | continue; |
|
|
| 232 | /* otherwise, we decay and destroy */ |
|
|
| 233 | if (IS_WEAPON (op)) |
|
|
| 234 | { |
|
|
| 235 | op->stats.dam--; |
|
|
| 236 | if (op->stats.dam < 0) |
|
|
| 237 | destroy = 1; |
|
|
| 238 | } |
|
|
| 239 | else if (IS_ARMOR (op)) |
|
|
| 240 | { |
|
|
| 241 | op->stats.ac--; |
|
|
| 242 | if (op->stats.ac < 0) |
|
|
| 243 | destroy = 1; |
|
|
| 244 | } |
|
|
| 245 | else if (op->type == FOOD) |
|
|
| 246 | { |
|
|
| 247 | op->stats.food -= rndm (5, 20); |
|
|
| 248 | if (op->stats.food < 0) |
|
|
| 249 | destroy = 1; |
|
|
| 250 | } |
|
|
| 251 | else |
|
|
| 252 | { |
|
|
| 253 | if (op->material & M_PAPER || op->material & M_LEATHER || |
|
|
| 254 | op->material & M_WOOD || op->material & M_ORGANIC || op->material & M_CLOTH || op->material & M_LIQUID) |
|
|
| 255 | destroy = 1; |
|
|
| 256 | if (op->material & M_IRON && rndm (1, 5) == 1) |
|
|
| 257 | destroy = 1; |
|
|
| 258 | if (op->material & M_GLASS && rndm (1, 2) == 1) |
|
|
| 259 | destroy = 1; |
|
|
| 260 | if ((op->material & M_STONE || op->material & M_ADAMANT) && rndm (1, 10) == 1) |
|
|
| 261 | destroy = 1; |
|
|
| 262 | if ((op->material & M_SOFT_METAL || op->material & M_BONE) && rndm (1, 3) == 1) |
|
|
| 263 | destroy = 1; |
|
|
| 264 | if (op->material & M_ICE && MAP_TEMP (m) > 32) |
|
|
| 265 | destroy = 1; |
|
|
| 266 | } |
|
|
| 267 | /* adjust overall chance below */ |
|
|
| 268 | if (destroy && rndm (0, 1)) |
|
|
| 269 | { |
|
|
| 270 | remove_ob (op); |
|
|
| 271 | free_object (op); |
|
|
| 272 | } |
|
|
| 273 | } |
|
|
| 274 | } |
|
|
| 275 | |
|
|
| 276 | /* convert materialname to materialtype_t */ |
|
|
| 277 | |
|
|
| 278 | materialtype_t * |
|
|
| 279 | name_to_material (const char *name) |
|
|
| 280 | { |
|
|
| 281 | materialtype_t *mt, *nmt; |
|
|
| 282 | |
|
|
| 283 | mt = NULL; |
|
|
| 284 | for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next) |
|
|
| 285 | { |
|
|
| 286 | if (strcmp (name, nmt->name) == 0) |
|
|
| 287 | { |
|
|
| 288 | mt = nmt; |
|
|
| 289 | break; |
|
|
| 290 | } |
|
|
| 291 | } |
|
|
| 292 | return mt; |
|
|
| 293 | } |
|
|
| 294 | |
|
|
| 295 | /* when doing transmutation of objects, we have to recheck the resistances, |
|
|
| 296 | * as some that did not apply previously, may apply now. |
|
|
| 297 | */ |
|
|
| 298 | |
|
|
| 299 | void |
|
|
| 300 | transmute_materialname (object *op, const object *change) |
|
|
| 301 | { |
|
|
| 302 | materialtype_t *mt; |
|
|
| 303 | int j; |
|
|
| 304 | |
|
|
| 305 | if (op->materialname == NULL) |
|
|
| 306 | return; |
|
|
| 307 | |
|
|
| 308 | if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
|
|
| 309 | return; |
|
|
| 310 | |
|
|
| 311 | if (!IS_ARMOR (op)) |
|
|
| 312 | return; |
|
|
| 313 | |
|
|
| 314 | mt = name_to_material (op->materialname); |
|
|
| 315 | if (!mt) |
|
|
| 316 | { |
|
|
| 317 | LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); |
|
|
| 318 | return; |
|
|
| 319 | } |
|
|
| 320 | |
|
|
| 321 | for (j = 0; j < NROFATTACKS; j++) |
|
|
| 322 | if (op->resist[j] == 0 && change->resist[j] != 0) |
|
|
| 323 | { |
|
|
| 324 | op->resist[j] += mt->mod[j]; |
|
|
| 325 | if (op->resist[j] > 100) |
|
|
| 326 | op->resist[j] = 100; |
|
|
| 327 | if (op->resist[j] < -100) |
|
|
| 328 | op->resist[j] = -100; |
|
|
| 329 | } |
|
|
| 330 | } |
|
|
| 331 | |
|
|
| 332 | /* set the materialname and type for an item */ |
|
|
| 333 | void |
|
|
| 334 | set_materialname (object *op, int difficulty, materialtype_t *nmt) |
|
|
| 335 | { |
|
|
| 336 | materialtype_t *mt, *lmt; |
|
|
| 337 | |
|
|
| 338 | #ifdef NEW_MATERIAL_CODE |
|
|
| 339 | int j; |
|
|
| 340 | #endif |
|
|
| 341 | |
|
|
| 342 | if (op->materialname != NULL) |
|
|
| 343 | return; |
|
|
| 344 | |
|
|
| 345 | |
|
|
| 346 | |
|
|
| 347 | if (nmt == NULL) |
|
|
| 348 | { |
|
|
| 349 | lmt = NULL; |
|
|
| 350 | #ifndef NEW_MATERIAL_CODE |
|
|
| 351 | for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
|
|
| 352 | { |
|
|
| 353 | if (op->material & mt->material) |
|
|
| 354 | { |
|
|
| 355 | lmt = mt; |
|
|
| 356 | break; |
|
|
| 357 | } |
|
|
| 358 | } |
|
|
| 359 | |
|
|
| 360 | #else |
|
|
| 361 | for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
|
|
| 362 | { |
|
|
| 363 | if (op->material & mt->material && rndm (1, 100) <= mt->chance && |
|
|
| 364 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
|
|
| 365 | { |
|
|
| 366 | lmt = mt; |
|
|
| 367 | if (!(IS_WEAPON (op) || IS_ARMOR (op))) |
|
|
| 368 | break; |
|
|
| 369 | } |
|
|
| 370 | } |
|
|
| 371 | #endif |
|
|
| 372 | } |
261 | } |
| 373 | else |
262 | else |
| 374 | { |
263 | memcpy (dst, src, ++len); |
| 375 | lmt = nmt; |
|
|
| 376 | } |
|
|
| 377 | |
264 | |
| 378 | if (lmt != NULL) |
265 | return len; |
| 379 | { |
266 | } |
| 380 | #ifndef NEW_MATERIAL_CODE |
267 | |
| 381 | op->materialname = lmt->name; |
268 | char * |
|
|
269 | vformat (const char *format, va_list ap) |
|
|
270 | { |
|
|
271 | static dynbuf_text bufs[8]; |
|
|
272 | static int bufidx; |
|
|
273 | |
|
|
274 | dynbuf_text &buf = bufs [++bufidx & 7]; |
|
|
275 | |
|
|
276 | buf.clear (); |
|
|
277 | buf.vprintf (format, ap); |
|
|
278 | return buf; |
|
|
279 | } |
|
|
280 | |
|
|
281 | char * |
|
|
282 | format (const char *format, ...) |
|
|
283 | { |
|
|
284 | va_list ap; |
|
|
285 | va_start (ap, format); |
|
|
286 | char *buf = vformat (format, ap); |
|
|
287 | va_end (ap); |
|
|
288 | |
|
|
289 | return buf; |
|
|
290 | } |
|
|
291 | |
|
|
292 | tstamp now () |
|
|
293 | { |
|
|
294 | struct timeval tv; |
|
|
295 | |
|
|
296 | gettimeofday (&tv, 0); |
|
|
297 | return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6); |
|
|
298 | } |
|
|
299 | |
|
|
300 | int |
|
|
301 | similar_direction (int a, int b) |
|
|
302 | { |
|
|
303 | if (!a || !b) |
| 382 | return; |
304 | return 0; |
| 383 | #else |
|
|
| 384 | |
305 | |
| 385 | if (op->stats.dam && IS_WEAPON (op)) |
306 | int diff = (b - a) & 7; |
| 386 | { |
307 | return diff <= 1 || diff >= 7; |
| 387 | op->stats.dam += lmt->damage; |
308 | } |
| 388 | if (op->stats.dam < 1) |
309 | |
| 389 | op->stats.dam = 1; |
310 | /* crc32 0xdebb20e3 table and supplementary functions. */ |
| 390 | } |
311 | extern const uint32_t crc_32_tab[256] = |
| 391 | if (op->stats.sp && op->type == BOW) |
312 | { |
| 392 | op->stats.sp += lmt->sp; |
313 | 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL, |
| 393 | if (op->stats.wc && IS_WEAPON (op)) |
314 | 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL, |
| 394 | op->stats.wc += lmt->wc; |
315 | 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL, |
| 395 | if (IS_ARMOR (op)) |
316 | 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL, |
| 396 | { |
317 | 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL, |
| 397 | if (op->stats.ac) |
318 | 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL, |
| 398 | op->stats.ac += lmt->ac; |
319 | 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL, |
| 399 | for (j = 0; j < NROFATTACKS; j++) |
320 | 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL, |
| 400 | if (op->resist[j] != 0) |
321 | 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL, |
| 401 | { |
322 | 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL, |
| 402 | op->resist[j] += lmt->mod[j]; |
323 | 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL, |
| 403 | if (op->resist[j] > 100) |
324 | 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL, |
| 404 | op->resist[j] = 100; |
325 | 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL, |
| 405 | if (op->resist[j] < -100) |
326 | 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL, |
| 406 | op->resist[j] = -100; |
327 | 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL, |
| 407 | } |
328 | 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL, |
| 408 | } |
329 | 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL, |
| 409 | op->materialname = add_string (lmt->name); |
330 | 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL, |
| 410 | /* dont make it unstackable if it doesn't need to be */ |
331 | 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL, |
| 411 | if (IS_WEAPON (op) || IS_ARMOR (op)) |
332 | 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL, |
| 412 | { |
333 | 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL, |
| 413 | op->weight = (op->weight * lmt->weight) / 100; |
334 | 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL, |
| 414 | op->value = (op->value * lmt->value) / 100; |
335 | 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL, |
| 415 | } |
336 | 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL, |
|
|
337 | 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL, |
|
|
338 | 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL, |
|
|
339 | 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL, |
|
|
340 | 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL, |
|
|
341 | 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL, |
|
|
342 | 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL, |
|
|
343 | 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL, |
|
|
344 | 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL, |
|
|
345 | 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL, |
|
|
346 | 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL, |
|
|
347 | 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL, |
|
|
348 | 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL, |
|
|
349 | 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL, |
|
|
350 | 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL, |
|
|
351 | 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL, |
|
|
352 | 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL, |
|
|
353 | 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL, |
|
|
354 | 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL, |
|
|
355 | 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL, |
|
|
356 | 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL, |
|
|
357 | 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL, |
|
|
358 | 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL, |
|
|
359 | 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL, |
|
|
360 | 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL, |
|
|
361 | 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL, |
|
|
362 | 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
|
|
363 | 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
|
|
364 | 0x2d02ef8dL |
|
|
365 | }; |
|
|
366 | |
|
|
367 | void thread::start (void *(*start_routine)(void *), void *arg) |
|
|
368 | { |
|
|
369 | pthread_attr_t attr; |
|
|
370 | |
|
|
371 | pthread_attr_init (&attr); |
|
|
372 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
373 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096 |
|
|
374 | ? sizeof (long) * 4096 : PTHREAD_STACK_MIN); |
|
|
375 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
376 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
| 416 | #endif |
377 | #endif |
| 417 | } |
|
|
| 418 | } |
|
|
| 419 | |
378 | |
| 420 | /* |
379 | sigset_t fullsigset, oldsigset; |
| 421 | * Strip out the media tags from a String. |
380 | sigfillset (&fullsigset); |
| 422 | * Warning the input string will contain the result string |
|
|
| 423 | */ |
|
|
| 424 | void |
|
|
| 425 | strip_media_tag (char *message) |
|
|
| 426 | { |
|
|
| 427 | int in_tag = 0; |
|
|
| 428 | char *dest; |
|
|
| 429 | char *src; |
|
|
| 430 | |
381 | |
| 431 | src = dest = message; |
382 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
| 432 | while (*src != '\0') |
|
|
| 433 | { |
|
|
| 434 | if (*src == '[') |
|
|
| 435 | { |
|
|
| 436 | in_tag = 1; |
|
|
| 437 | } |
|
|
| 438 | else if (in_tag && (*src == ']')) |
|
|
| 439 | in_tag = 0; |
|
|
| 440 | else if (!in_tag) |
|
|
| 441 | { |
|
|
| 442 | *dest = *src; |
|
|
| 443 | dest++; |
|
|
| 444 | } |
|
|
| 445 | src++; |
|
|
| 446 | } |
|
|
| 447 | *dest = '\0'; |
|
|
| 448 | } |
|
|
| 449 | |
383 | |
| 450 | const char * |
384 | if (pthread_create (&id, &attr, start_routine, arg)) |
| 451 | strrstr (const char *haystack, const char *needle) |
385 | cleanup ("unable to create a new thread"); |
| 452 | { |
|
|
| 453 | const char *lastneedle; |
|
|
| 454 | |
386 | |
| 455 | lastneedle = NULL; |
387 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
| 456 | while ((haystack = strstr (haystack, needle)) != NULL) |
|
|
| 457 | { |
|
|
| 458 | lastneedle = haystack; |
|
|
| 459 | haystack++; |
|
|
| 460 | } |
|
|
| 461 | return lastneedle; |
|
|
| 462 | |
|
|
| 463 | } |
388 | } |
| 464 | |
389 | |
| 465 | #define EOL_SIZE (sizeof("\n")-1) |
|
|
| 466 | void |
|
|
| 467 | strip_endline (char *buf) |
|
|
| 468 | { |
|
|
| 469 | if (strlen (buf) < sizeof ("\n")) |
|
|
| 470 | { |
|
|
| 471 | return; |
|
|
| 472 | } |
|
|
| 473 | if (!strcmp (buf + strlen (buf) - EOL_SIZE, "\n")) |
|
|
| 474 | buf[strlen (buf) - EOL_SIZE] = '\0'; |
|
|
| 475 | } |
|
|
| 476 | |
|
|
| 477 | /** |
|
|
| 478 | * Replace in string src all occurrences of key by replacement. The resulting |
|
|
| 479 | * string is put into result; at most resultsize characters (including the |
|
|
| 480 | * terminating null character) will be written to result. |
|
|
| 481 | */ |
|
|
| 482 | void |
|
|
| 483 | replace (const char *src, const char *key, const char *replacement, char *result, size_t resultsize) |
|
|
| 484 | { |
|
|
| 485 | size_t resultlen; |
|
|
| 486 | size_t keylen; |
|
|
| 487 | |
|
|
| 488 | /* special case to prevent infinite loop if key==replacement=="" */ |
|
|
| 489 | if (strcmp (key, replacement) == 0) |
|
|
| 490 | { |
|
|
| 491 | snprintf (result, resultsize, "%s", src); |
|
|
| 492 | return; |
|
|
| 493 | } |
|
|
| 494 | |
|
|
| 495 | keylen = strlen (key); |
|
|
| 496 | |
|
|
| 497 | resultlen = 0; |
|
|
| 498 | while (*src != '\0' && resultlen + 1 < resultsize) |
|
|
| 499 | { |
|
|
| 500 | if (strncmp (src, key, keylen) == 0) |
|
|
| 501 | { |
|
|
| 502 | snprintf (result + resultlen, resultsize - resultlen, "%s", replacement); |
|
|
| 503 | resultlen += strlen (result + resultlen); |
|
|
| 504 | src += keylen; |
|
|
| 505 | } |
|
|
| 506 | else |
|
|
| 507 | { |
|
|
| 508 | result[resultlen++] = *src++; |
|
|
| 509 | } |
|
|
| 510 | } |
|
|
| 511 | result[resultlen] = '\0'; |
|
|
| 512 | } |
|
|
| 513 | |
|
|
| 514 | /** |
|
|
| 515 | * Taking a string as an argument, mutate it into a string that looks like a list. |
|
|
| 516 | * a 'list' for the purposes here, is a string of items, seperated by commas, except |
|
|
| 517 | * for the last entry, which has an 'and' before it, and a full stop (period) after it. |
|
|
| 518 | * This function will also strip all trailing non alphanumeric characters. |
|
|
| 519 | * It does not insert an oxford comma. |
|
|
| 520 | */ |
|
|
| 521 | |
|
|
| 522 | void |
|
|
| 523 | make_list_like (char *input) |
|
|
| 524 | { |
|
|
| 525 | char *p, tmp[MAX_BUF]; |
|
|
| 526 | int i; |
|
|
| 527 | |
|
|
| 528 | if (!input || strlen (input) > MAX_BUF - 5) |
|
|
| 529 | return; |
|
|
| 530 | /* bad stuff would happen if we continued here, the -5 is to make space for ' and ' */ |
|
|
| 531 | |
|
|
| 532 | strncpy (tmp, input, MAX_BUF - 5); |
|
|
| 533 | /*trim all trailing commas, spaces etc. */ |
|
|
| 534 | for (i = strlen (tmp); !isalnum (tmp[i]) && i >= 0; i--) |
|
|
| 535 | tmp[i] = '\0'; |
|
|
| 536 | |
|
|
| 537 | strcat (tmp, "."); |
|
|
| 538 | |
|
|
| 539 | p = strrchr (tmp, ','); |
|
|
| 540 | if (p) |
|
|
| 541 | { |
|
|
| 542 | *p = '\0'; |
|
|
| 543 | strcpy (input, tmp); |
|
|
| 544 | p++; |
|
|
| 545 | strcat (input, " and"); |
|
|
| 546 | strcat (input, p); |
|
|
| 547 | } |
|
|
| 548 | else |
|
|
| 549 | strcpy (input, tmp); |
|
|
| 550 | |
|
|
| 551 | return; |
|
|
| 552 | } |
|
|
| 553 | |
|
|
| 554 | void *alloc (int s) throw (std::bad_alloc) |
|
|
| 555 | { |
|
|
| 556 | if (s) |
|
|
| 557 | return g_slice_alloc (s); |
|
|
| 558 | else |
|
|
| 559 | return 0; |
|
|
| 560 | } |
|
|
| 561 | |
|
|
| 562 | void dealloc (void *p, int s) throw () |
|
|
| 563 | { |
|
|
| 564 | if (s) |
|
|
| 565 | g_slice_free1 (s, p); |
|
|
| 566 | } |
|
|
| 567 | |
|
|
| 568 | void assign (char *dst, const char *src, int maxlen) |
|
|
| 569 | { |
|
|
| 570 | if (!src) |
|
|
| 571 | src = ""; |
|
|
| 572 | |
|
|
| 573 | int len = strlen (src); |
|
|
| 574 | |
|
|
| 575 | if (len >= maxlen - 1) |
|
|
| 576 | { |
|
|
| 577 | if (maxlen <= 4) |
|
|
| 578 | { |
|
|
| 579 | memset (dst, '.', maxlen - 1); |
|
|
| 580 | dst [maxlen - 1] = 0; |
|
|
| 581 | } |
|
|
| 582 | else |
|
|
| 583 | { |
|
|
| 584 | memcpy (dst, src, maxlen - 4); |
|
|
| 585 | memcpy (dst + maxlen - 4, "...", 4); |
|
|
| 586 | } |
|
|
| 587 | } |
|
|
| 588 | else |
|
|
| 589 | memcpy (dst, src, len + 1); |
|
|
| 590 | } |
|
|
| 591 | |
|
|
