1 | /* |
1 | /* |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
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6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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7 | * |
5 | * |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * it under the terms of the GNU General Public License as published by |
7 | * the terms of the Affero GNU General Public License as published by the |
10 | * the Free Software Foundation, either version 3 of the License, or |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
9 | * option) any later version. |
12 | * |
10 | * |
13 | * This program is distributed in the hope that it will be useful, |
11 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
14 | * GNU General Public License for more details. |
17 | * |
15 | * |
18 | * You should have received a copy of the GNU General Public License |
16 | * You should have received a copy of the Affero GNU General Public License |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | * and the GNU General Public License along with this program. If not, see |
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18 | * <http://www.gnu.org/licenses/>. |
20 | * |
19 | * |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
21 | */ |
23 | |
22 | |
24 | /* |
23 | /* |
25 | * General convenience functions for crossfire. |
24 | * General convenience functions for deliantra. |
26 | */ |
25 | */ |
27 | |
26 | |
28 | #include <cstdlib> |
27 | #include <cstdlib> |
29 | #include <sys/types.h> |
28 | #include <sys/types.h> |
30 | #include <unistd.h> |
29 | #include <unistd.h> |
31 | #include <sys/time.h> |
30 | #include <sys/time.h> |
32 | #include <time.h> |
31 | #include <time.h> |
33 | #include <signal.h> |
32 | #include <signal.h> |
34 | |
33 | |
35 | #include <global.h> |
34 | #include <global.h> |
36 | #include <funcpoint.h> |
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37 | #include <material.h> |
35 | #include <material.h> |
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36 | #include <object.h> |
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37 | |
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38 | #include <sys/time.h> |
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39 | #include <sys/resource.h> |
38 | |
40 | |
39 | #include <glib.h> |
41 | #include <glib.h> |
40 | |
42 | |
41 | rand_gen rndm; |
43 | refcnt_base::refcnt_t refcnt_dummy; |
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44 | ssize_t slice_alloc; |
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45 | rand_gen rndm, rmg_rndm; |
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46 | |
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47 | #if !GCC_VERSION(3,4) |
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48 | int least_significant_bit (uint32_t x) |
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49 | { |
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50 | x &= -x; // this isolates the lowest bit |
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51 | |
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52 | int r = 0; |
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53 | |
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54 | if (x & 0xaaaaaaaa) r += 1; |
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55 | if (x & 0xcccccccc) r += 2; |
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56 | if (x & 0xf0f0f0f0) r += 4; |
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57 | if (x & 0xff00ff00) r += 8; |
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58 | if (x & 0xffff0000) r += 16; |
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59 | |
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60 | return r; |
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61 | } |
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62 | #endif |
42 | |
63 | |
43 | void |
64 | void |
44 | tausworthe_random_generator::seed (uint32_t seed) |
65 | tausworthe_random_generator::seed (uint32_t seed) |
45 | { |
66 | { |
46 | state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; |
67 | state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; |
47 | state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; |
68 | state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; |
48 | state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; |
69 | state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; |
49 | state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U; |
70 | state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U; |
50 | |
71 | |
51 | for (int i = 11; --i; ) |
72 | for (int i = 11; --i; ) |
52 | operator ()(); |
73 | next (); |
53 | } |
74 | } |
54 | |
75 | |
55 | uint32_t |
76 | uint32_t |
56 | tausworthe_random_generator::next () |
77 | tausworthe_random_generator::next () |
57 | { |
78 | { |
… | |
… | |
61 | state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); |
82 | state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); |
62 | |
83 | |
63 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
84 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
64 | } |
85 | } |
65 | |
86 | |
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87 | template<class generator> |
66 | uint32_t |
88 | uint32_t |
67 | tausworthe_random_generator::get_range (uint32_t num) |
89 | random_number_generator<generator>::get_range (uint32_t num) |
68 | { |
90 | { |
69 | return (next () * (uint64_t)num) >> 32U; |
91 | return (this->next () * (uint64_t)num) >> 32U; |
70 | } |
92 | } |
71 | |
93 | |
72 | // return a number within (min .. max) |
94 | // return a number within (min .. max) |
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95 | template<class generator> |
73 | int |
96 | int |
74 | tausworthe_random_generator::get_range (int r_min, int r_max) |
97 | random_number_generator<generator>::get_range (int r_min, int r_max) |
75 | { |
98 | { |
76 | return r_min + get_range (max (r_max - r_min + 1, 0)); |
99 | return r_min + get_range (max (r_max - r_min + 1, 0)); |
77 | } |
100 | } |
78 | |
101 | |
79 | /* |
102 | template struct random_number_generator<tausworthe_random_generator>; |
80 | * The random functions here take luck into account when rolling random |
103 | template struct random_number_generator<xorshift_random_generator>; |
81 | * dice or numbers. This function has less of an impact the larger the |
104 | |
82 | * difference becomes in the random numbers. IE, the effect is lessened |
105 | /******************************************************************************/ |
83 | * on a 1-1000 roll, vs a 1-6 roll. This can be used by crafty programmers, |
106 | |
84 | * to specifically disable luck in certain rolls, simply by making the |
107 | /* Checks a player-provided string which will become the msg property of |
85 | * numbers larger (ie, 1d1000 > 500 vs 1d6 > 3) |
108 | * an object for dangerous input. |
86 | */ |
109 | */ |
87 | |
110 | bool |
88 | /* |
111 | msg_is_safe (const char *msg) |
89 | * Roll a random number between min and max. Uses op to determine luck, |
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90 | * and if goodbad is non-zero, luck increases the roll, if zero, it decreases. |
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91 | * Generally, op should be the player/caster/hitter requesting the roll, |
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92 | * not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
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93 | */ |
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94 | int |
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95 | random_roll (int r_min, int r_max, const object *op, int goodbad) |
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96 | { |
112 | { |
97 | int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ |
113 | bool safe = true; |
98 | |
114 | |
99 | if (r_max < r_min) |
115 | /* Trying to cheat by getting data into the object */ |
100 | { |
116 | if (!strncmp (msg, "endmsg", sizeof ("endmsg") - 1) |
101 | LOG (llevError | logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max); |
117 | || strstr (msg, "\nendmsg")) |
102 | return r_min; |
118 | safe = false; |
103 | } |
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104 | |
119 | |
105 | if (op->type == PLAYER) |
120 | /* Trying to make the object talk, and potentially access arbitrary code */ |
106 | { |
121 | if (object::msg_has_dialogue (msg)) |
107 | int luck = op->stats.luck; |
122 | safe = false; |
108 | |
123 | |
109 | if (rndm (base) < min (10, abs (luck))) |
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110 | { |
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111 | //TODO: take luck into account |
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112 | } |
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113 | } |
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114 | |
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115 | return rndm (r_min, r_max); |
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116 | } |
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117 | |
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118 | /* |
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119 | * This is a 64 bit version of random_roll above. This is needed |
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120 | * for exp loss calculations for players changing religions. |
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121 | */ |
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122 | sint64 |
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123 | random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) |
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124 | { |
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125 | sint64 omin = min; |
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126 | sint64 diff = max - min + 1; |
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127 | int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */ |
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128 | |
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129 | if (diff < 0) |
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130 | { |
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131 | LOG (llevError | logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max); |
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132 | return (min); /* avoids a float exception */ |
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133 | } |
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134 | |
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135 | /* |
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136 | * Make a call to get two 32 bit unsigned random numbers, and just to |
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137 | * a little bitshifting. |
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138 | */ |
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139 | sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31); |
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140 | |
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141 | if (op->type != PLAYER) |
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142 | return ((ran % diff) + min); |
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143 | |
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144 | int luck = op->stats.luck; |
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145 | |
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146 | if (rndm (base) < MIN (10, abs (luck))) |
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147 | { |
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148 | /* we have a winner */ |
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149 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
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150 | diff -= luck; |
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151 | if (diff < 1) |
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152 | return (omin); /*check again */ |
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153 | |
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154 | ((goodbad) ? (min += luck) : (diff)); |
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155 | |
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156 | return (MAX (omin, MIN (max, (ran % diff) + min))); |
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157 | } |
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158 | |
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159 | return ran % diff + min; |
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160 | } |
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161 | |
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162 | /* |
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163 | * Roll a number of dice (2d3, 4d6). Uses op to determine luck, |
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164 | * If goodbad is non-zero, luck increases the roll, if zero, it decreases. |
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165 | * Generally, op should be the player/caster/hitter requesting the roll, |
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166 | * not the recipient (ie, the poor slob getting hit). |
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167 | * The args are num D size (ie 4d6) [garbled 20010916] |
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168 | */ |
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169 | int |
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170 | die_roll (int num, int size, const object *op, int goodbad) |
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171 | { |
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172 | int min, luck, total, i, gotlucky; |
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173 | |
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174 | int diff = size; |
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175 | min = 1; |
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176 | luck = total = gotlucky = 0; |
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177 | int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */ |
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178 | |
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179 | if (size < 2 || diff < 1) |
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180 | { |
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181 | LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); |
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182 | return num; /* avoids a float exception */ |
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183 | } |
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184 | |
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185 | if (op->type == PLAYER) |
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186 | luck = op->stats.luck; |
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187 | |
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188 | for (i = 0; i < num; i++) |
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189 | { |
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190 | if (rndm (base) < MIN (10, abs (luck)) && !gotlucky) |
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191 | { |
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192 | /* we have a winner */ |
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193 | gotlucky++; |
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194 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
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195 | diff -= luck; |
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196 | if (diff < 1) |
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197 | return (num); /*check again */ |
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198 | ((goodbad) ? (min += luck) : (diff)); |
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199 | total += MAX (1, MIN (size, rndm (diff) + min)); |
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200 | } |
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201 | else |
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202 | total += rndm (size) + 1; |
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203 | } |
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204 | |
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205 | return total; |
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206 | } |
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207 | |
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208 | /* convert materialname to materialtype_t */ |
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209 | |
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210 | materialtype_t * |
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211 | name_to_material (const shstr &name) |
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212 | { |
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213 | for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next) |
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214 | if (name == mt->name) |
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215 | return mt; |
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216 | |
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217 | return materialt; |
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218 | } |
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219 | |
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220 | /* when doing transmutation of objects, we have to recheck the resistances, |
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221 | * as some that did not apply previously, may apply now. |
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222 | */ |
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223 | |
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224 | void |
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225 | transmute_materialname (object *op, const object *change) |
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226 | { |
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227 | materialtype_t *mt; |
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228 | int j; |
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229 | |
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230 | if (op->materialname == NULL) |
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231 | return; |
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232 | |
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233 | if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
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234 | return; |
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235 | |
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236 | if (!op->is_armor ()) |
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237 | return; |
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238 | |
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239 | mt = name_to_material (op->materialname); |
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240 | if (!mt) |
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241 | { |
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242 | LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname); |
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243 | return; |
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244 | } |
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245 | |
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246 | for (j = 0; j < NROFATTACKS; j++) |
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247 | if (op->resist[j] == 0 && change->resist[j] != 0) |
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248 | { |
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249 | op->resist[j] += mt->mod[j]; |
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250 | if (op->resist[j] > 100) |
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251 | op->resist[j] = 100; |
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252 | if (op->resist[j] < -100) |
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253 | op->resist[j] = -100; |
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254 | } |
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255 | } |
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256 | |
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257 | /* set the materialname and type for an item */ |
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258 | void |
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259 | set_materialname (object *op, int difficulty, materialtype_t *nmt) |
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260 | { |
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261 | materialtype_t *mt, *lmt; |
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262 | |
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263 | #ifdef NEW_MATERIAL_CODE |
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264 | int j; |
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265 | #endif |
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266 | |
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267 | if (op->materialname != NULL) |
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268 | return; |
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269 | |
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270 | |
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271 | |
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272 | if (nmt == NULL) |
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273 | { |
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274 | lmt = NULL; |
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275 | #ifndef NEW_MATERIAL_CODE |
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276 | for (mt = materialt; mt && mt->next; mt = mt->next) |
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277 | { |
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278 | if (op->materials & mt->material) |
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279 | { |
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280 | lmt = mt; |
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281 | break; |
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282 | } |
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283 | } |
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284 | |
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285 | #else |
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286 | for (mt = materialt; mt && mt->next; mt = mt->next) |
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287 | { |
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288 | if (op->materials & mt->material && rndm (1, 100) <= mt->chance && |
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289 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
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290 | { |
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291 | lmt = mt; |
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292 | if (!(op->is_weapon () || op->is_armor ())) |
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293 | break; |
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294 | } |
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295 | } |
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296 | #endif |
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297 | } |
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298 | else |
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299 | { |
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300 | lmt = nmt; |
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301 | } |
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302 | |
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303 | if (lmt != NULL) |
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304 | { |
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305 | #ifndef NEW_MATERIAL_CODE |
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306 | op->materialname = lmt->name; |
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307 | return; |
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308 | #else |
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309 | |
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310 | if (op->stats.dam && op->is_weapon ()) |
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311 | { |
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312 | op->stats.dam += lmt->damage; |
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313 | if (op->stats.dam < 1) |
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314 | op->stats.dam = 1; |
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315 | } |
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316 | |
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317 | if (op->stats.sp && op->type == BOW) |
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318 | op->stats.sp += lmt->sp; |
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319 | if (op->stats.wc && op->is_weapon ()) |
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320 | op->stats.wc += lmt->wc; |
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321 | if (op->is_armor ()) |
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322 | { |
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323 | if (op->stats.ac) |
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324 | op->stats.ac += lmt->ac; |
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325 | for (j = 0; j < NROFATTACKS; j++) |
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326 | if (op->resist[j] != 0) |
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327 | { |
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328 | op->resist[j] += lmt->mod[j]; |
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329 | if (op->resist[j] > 100) |
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330 | op->resist[j] = 100; |
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331 | if (op->resist[j] < -100) |
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332 | op->resist[j] = -100; |
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333 | } |
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334 | } |
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335 | op->materialname = lmt->name; |
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336 | /* dont make it unstackable if it doesn't need to be */ |
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337 | if (op->is_weapon () || op->is_armor ()) |
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338 | { |
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339 | op->weight = (op->weight * lmt->weight) / 100; |
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340 | op->value = (op->value * lmt->value) / 100; |
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341 | } |
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342 | #endif |
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343 | } |
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344 | } |
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345 | |
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346 | /* |
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347 | * Strip out the media tags from a String. |
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348 | * Warning the input string will contain the result string |
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349 | */ |
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350 | void |
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351 | strip_media_tag (char *message) |
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352 | { |
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353 | int in_tag = 0; |
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354 | char *dest; |
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355 | char *src; |
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356 | |
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357 | src = dest = message; |
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358 | while (*src != '\0') |
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359 | { |
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360 | if (*src == '[') |
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361 | { |
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362 | in_tag = 1; |
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363 | } |
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364 | else if (in_tag && (*src == ']')) |
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365 | in_tag = 0; |
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366 | else if (!in_tag) |
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367 | { |
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368 | *dest = *src; |
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369 | dest++; |
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370 | } |
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371 | src++; |
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372 | } |
|
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373 | *dest = '\0'; |
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374 | } |
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375 | |
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376 | const char * |
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377 | strrstr (const char *haystack, const char *needle) |
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378 | { |
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379 | const char *lastneedle; |
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380 | |
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381 | lastneedle = NULL; |
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382 | while ((haystack = strstr (haystack, needle)) != NULL) |
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383 | { |
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384 | lastneedle = haystack; |
|
|
385 | haystack++; |
|
|
386 | } |
|
|
387 | return lastneedle; |
|
|
388 | |
|
|
389 | } |
|
|
390 | |
|
|
391 | #define EOL_SIZE (sizeof("\n")-1) |
|
|
392 | void |
|
|
393 | strip_endline (char *buf) |
|
|
394 | { |
|
|
395 | if (strlen (buf) < sizeof ("\n")) |
|
|
396 | { |
|
|
397 | return; |
|
|
398 | } |
|
|
399 | if (!strcmp (buf + strlen (buf) - EOL_SIZE, "\n")) |
|
|
400 | buf[strlen (buf) - EOL_SIZE] = '\0'; |
|
|
401 | } |
|
|
402 | |
|
|
403 | /** |
|
|
404 | * Replace in string src all occurrences of key by replacement. The resulting |
|
|
405 | * string is put into result; at most resultsize characters (including the |
|
|
406 | * terminating null character) will be written to result. |
|
|
407 | */ |
|
|
408 | void |
|
|
409 | replace (const char *src, const char *key, const char *replacement, char *result, size_t resultsize) |
|
|
410 | { |
|
|
411 | size_t resultlen; |
|
|
412 | size_t keylen; |
|
|
413 | |
|
|
414 | /* special case to prevent infinite loop if key==replacement=="" */ |
|
|
415 | if (strcmp (key, replacement) == 0) |
|
|
416 | { |
|
|
417 | snprintf (result, resultsize, "%s", src); |
|
|
418 | return; |
|
|
419 | } |
|
|
420 | |
|
|
421 | keylen = strlen (key); |
|
|
422 | |
|
|
423 | resultlen = 0; |
|
|
424 | while (*src != '\0' && resultlen + 1 < resultsize) |
|
|
425 | { |
|
|
426 | if (strncmp (src, key, keylen) == 0) |
|
|
427 | { |
|
|
428 | snprintf (result + resultlen, resultsize - resultlen, "%s", replacement); |
|
|
429 | resultlen += strlen (result + resultlen); |
|
|
430 | src += keylen; |
|
|
431 | } |
|
|
432 | else |
|
|
433 | { |
|
|
434 | result[resultlen++] = *src++; |
|
|
435 | } |
|
|
436 | } |
|
|
437 | result[resultlen] = '\0'; |
|
|
438 | } |
|
|
439 | |
|
|
440 | /** |
|
|
441 | * Taking a string as an argument, mutate it into a string that looks like a list. |
|
|
442 | * a 'list' for the purposes here, is a string of items, seperated by commas, except |
|
|
443 | * for the last entry, which has an 'and' before it, and a full stop (period) after it. |
|
|
444 | * This function will also strip all trailing non alphanumeric characters. |
|
|
445 | * It does not insert an oxford comma. |
|
|
446 | */ |
|
|
447 | |
|
|
448 | void |
|
|
449 | make_list_like (char *input) |
|
|
450 | { |
|
|
451 | char *p, tmp[MAX_BUF]; |
|
|
452 | int i; |
|
|
453 | |
|
|
454 | if (!input || strlen (input) > MAX_BUF - 5) |
|
|
455 | return; |
|
|
456 | /* bad stuff would happen if we continued here, the -5 is to make space for ' and ' */ |
|
|
457 | |
|
|
458 | strncpy (tmp, input, MAX_BUF - 5); |
|
|
459 | /*trim all trailing commas, spaces etc. */ |
|
|
460 | for (i = strlen (tmp); !isalnum (tmp[i]) && i >= 0; i--) |
|
|
461 | tmp[i] = '\0'; |
|
|
462 | |
|
|
463 | strcat (tmp, "."); |
|
|
464 | |
|
|
465 | p = strrchr (tmp, ','); |
|
|
466 | if (p) |
|
|
467 | { |
|
|
468 | *p = '\0'; |
|
|
469 | strcpy (input, tmp); |
|
|
470 | p++; |
|
|
471 | strcat (input, " and"); |
|
|
472 | strcat (input, p); |
|
|
473 | } |
|
|
474 | else |
|
|
475 | strcpy (input, tmp); |
|
|
476 | |
|
|
477 | return; |
124 | return safe; |
478 | } |
125 | } |
479 | |
126 | |
480 | ///////////////////////////////////////////////////////////////////////////// |
127 | ///////////////////////////////////////////////////////////////////////////// |
481 | |
128 | |
482 | void |
129 | void |
483 | fork_abort (const char *msg) |
130 | fork_abort (const char *msg) |
484 | { |
131 | { |
485 | if (!fork ()) |
132 | if (!fork ()) |
486 | { |
133 | { |
|
|
134 | signal (SIGINT , SIG_IGN); |
|
|
135 | signal (SIGTERM, SIG_IGN); |
487 | signal (SIGABRT, SIG_DFL); |
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 | |
488 | // try to put corefiles into a subdirectory, if existing, to allow |
143 | // try to put corefiles into a subdirectory, if existing, to allow |
489 | // an administrator to reduce the I/O load. |
144 | // an administrator to reduce the I/O load. |
490 | chdir ("cores"); |
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); |
491 | abort (); |
167 | abort (); |
492 | } |
168 | } |
493 | |
169 | |
494 | LOG (llevError, "fork abort: %s\n", msg); |
170 | LOG (llevError, "fork abort: %s\n", msg); |
495 | } |
171 | } |
496 | |
172 | |
497 | void *salloc_ (int n) throw (std::bad_alloc) |
173 | void *salloc_ (int n) throw (std::bad_alloc) |
498 | { |
174 | { |
499 | #ifdef PREFER_MALLOC |
|
|
500 | void *ptr = malloc (n); |
|
|
501 | #else |
|
|
502 | void *ptr = g_slice_alloc (n); |
175 | void *ptr = g_slice_alloc (n); |
503 | #endif |
|
|
504 | |
176 | |
505 | if (!ptr) |
177 | if (!ptr) |
506 | throw std::bad_alloc (); |
178 | throw std::bad_alloc (); |
507 | |
179 | |
|
|
180 | slice_alloc += n; |
508 | return ptr; |
181 | return ptr; |
509 | } |
182 | } |
510 | |
183 | |
511 | void *salloc_ (int n, void *src) throw (std::bad_alloc) |
184 | void *salloc_ (int n, void *src) throw (std::bad_alloc) |
512 | { |
185 | { |
… | |
… | |
518 | memset (ptr, 0, n); |
191 | memset (ptr, 0, n); |
519 | |
192 | |
520 | return ptr; |
193 | return ptr; |
521 | } |
194 | } |
522 | |
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 | /******************************************************************************/ |
|
|
238 | |
|
|
239 | int |
523 | void assign (char *dst, const char *src, int maxlen) |
240 | assign (char *dst, const char *src, int maxsize) |
524 | { |
241 | { |
525 | if (!src) |
242 | if (!src) |
526 | src = ""; |
243 | src = ""; |
527 | |
244 | |
528 | int len = strlen (src); |
245 | int len = strlen (src); |
529 | |
246 | |
530 | if (len >= maxlen - 1) |
247 | if (len >= maxsize) |
531 | { |
248 | { |
532 | if (maxlen <= 4) |
249 | if (maxsize <= 4) |
533 | { |
250 | { |
534 | memset (dst, '.', maxlen - 1); |
251 | memset (dst, '.', maxsize - 2); |
535 | dst [maxlen - 1] = 0; |
252 | dst [maxsize - 1] = 0; |
536 | } |
253 | } |
537 | else |
254 | else |
538 | { |
255 | { |
539 | memcpy (dst, src, maxlen - 4); |
256 | memcpy (dst, src, maxsize - 4); |
540 | memcpy (dst + maxlen - 4, "...", 4); |
257 | memcpy (dst + maxsize - 4, "...", 4); |
541 | } |
258 | } |
|
|
259 | |
|
|
260 | len = maxsize; |
542 | } |
261 | } |
543 | else |
262 | else |
544 | memcpy (dst, src, len + 1); |
263 | memcpy (dst, src, ++len); |
545 | } |
|
|
546 | |
264 | |
547 | const std::string |
265 | return len; |
|
|
266 | } |
|
|
267 | |
|
|
268 | char * |
|
|
269 | vformat (const char *format, va_list ap) |
|
|
270 | { |
|
|
271 | static dynbuf_text buf; buf.clear (); |
|
|
272 | buf.vprintf (format, ap); |
|
|
273 | return buf; |
|
|
274 | } |
|
|
275 | |
|
|
276 | char * |
548 | format (const char *format, ...) |
277 | format (const char *format, ...) |
549 | { |
278 | { |
550 | int len; |
|
|
551 | |
|
|
552 | { |
|
|
553 | char buf[128]; |
|
|
554 | |
|
|
555 | va_list ap; |
279 | va_list ap; |
556 | va_start (ap, format); |
280 | va_start (ap, format); |
557 | len = vsnprintf (buf, sizeof (buf), format, ap); |
281 | char *buf = vformat (format, ap); |
558 | va_end (ap); |
282 | va_end (ap); |
559 | |
283 | |
560 | assert (len >= 0); // shield againstz broken vsnprintf's |
|
|
561 | |
|
|
562 | // was our static buffer short enough? |
|
|
563 | if (len < sizeof (buf)) |
|
|
564 | return std::string (buf, len); |
|
|
565 | } |
|
|
566 | |
|
|
567 | { |
|
|
568 | // longer, try harder |
|
|
569 | char *buf = salloc<char> (len + 1); |
|
|
570 | |
|
|
571 | va_list ap; |
|
|
572 | va_start (ap, format); |
|
|
573 | vsnprintf (buf, len + 1, format, ap); |
|
|
574 | va_end (ap); |
|
|
575 | |
|
|
576 | const std::string s (buf, len); |
|
|
577 | sfree<char> (buf, len + 1); |
|
|
578 | |
|
|
579 | return buf; |
284 | return buf; |
580 | } |
|
|
581 | } |
285 | } |
582 | |
286 | |
583 | tstamp now () |
287 | tstamp now () |
584 | { |
288 | { |
585 | struct timeval tv; |
289 | struct timeval tv; |
… | |
… | |
653 | 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
357 | 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
654 | 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
358 | 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
655 | 0x2d02ef8dL |
359 | 0x2d02ef8dL |
656 | }; |
360 | }; |
657 | |
361 | |
|
|
362 | void thread::start (void *(*start_routine)(void *), void *arg) |
|
|
363 | { |
|
|
364 | pthread_attr_t attr; |
658 | |
365 | |
|
|
366 | pthread_attr_init (&attr); |
|
|
367 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
368 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096 |
|
|
369 | ? sizeof (long) * 4096 : PTHREAD_STACK_MIN); |
|
|
370 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
371 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
372 | #endif |
|
|
373 | |
|
|
374 | sigset_t fullsigset, oldsigset; |
|
|
375 | sigfillset (&fullsigset); |
|
|
376 | |
|
|
377 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
378 | |
|
|
379 | if (pthread_create (&id, &attr, start_routine, arg)) |
|
|
380 | cleanup ("unable to create a new thread"); |
|
|
381 | |
|
|
382 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
|
|
383 | } |
|
|
384 | |