1 | /* |
1 | /* |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * |
5 | * |
6 | * Deliantra is free software: you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
7 | * 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 |
8 | * the Free Software Foundation, either version 3 of the License, or |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
9 | * (at your option) any later version. |
9 | * option) any later version. |
10 | * |
10 | * |
11 | * 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, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
14 | * GNU General Public License for more details. |
15 | * |
15 | * |
16 | * 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 |
17 | * 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/>. |
18 | * |
19 | * |
19 | * The authors can be reached via e-mail to <support@deliantra.net> |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
20 | */ |
21 | */ |
21 | |
22 | |
22 | /* |
23 | /* |
… | |
… | |
30 | |
31 | |
31 | #include "global.h" |
32 | #include "global.h" |
32 | |
33 | |
33 | size_t shstr_alloc; |
34 | size_t shstr_alloc; |
34 | |
35 | |
35 | typedef std::tr1::unordered_set <const char *, str_hash, str_equal, slice_allocator<const char *>, true> HT; |
36 | typedef std::tr1::unordered_set <const char *, str_hash, str_equal, slice_allocator<const char *> > HT; |
36 | |
37 | |
37 | static HT ht; |
38 | static HT ht; |
38 | static int next_gc; |
39 | static int next_gc; |
39 | |
40 | |
40 | static const char * |
41 | static const char * |
41 | makevec (const char *s) |
42 | makevec (const char *s) |
42 | { |
43 | { |
43 | int len = strlen (s); |
44 | int len = strlen (s); |
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45 | int alloc = sizeof (uint32_t) * 2 + len + 1; |
44 | |
46 | |
45 | shstr_alloc += sizeof (int) * 2 + len + 1; |
47 | shstr_alloc += alloc; |
46 | const char *v = (const char *) (2 + (int *)g_slice_alloc (sizeof (int) * 2 + len + 1)); |
48 | char *v = (char *)g_slice_alloc (alloc); |
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49 | v += sizeof (uint32_t) * 2; |
47 | |
50 | |
48 | shstr::length (v) = len; |
51 | shstr::length (v) = len; |
49 | shstr::refcnt (v) = 1; |
52 | shstr::refcnt (v) = 1; |
50 | |
53 | |
51 | memcpy ((char *) v, s, len + 1); |
54 | memcpy (v, s, len + 1); |
52 | |
55 | |
53 | return v; |
56 | return v; |
54 | } |
57 | } |
55 | |
58 | |
56 | static const char * |
59 | shstr_vec<sizeof "(null)"> shstr_tmp::nullvec = { 0, 0xffffffff, "(null)" }; |
57 | makenull () |
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58 | { |
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59 | const char *s = makevec ("(null)"); |
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60 | shstr::length (s) = 0; |
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61 | return s; |
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62 | } |
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63 | |
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64 | const char *shstr::null = makenull (); |
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65 | |
60 | |
66 | const char * |
61 | const char * |
67 | shstr::find (const char *s) |
62 | shstr::find (const char *s) |
68 | { |
63 | { |
69 | if (!s) |
64 | if (!s) |
… | |
… | |
76 | |
71 | |
77 | const char * |
72 | const char * |
78 | shstr::intern (const char *s) |
73 | shstr::intern (const char *s) |
79 | { |
74 | { |
80 | if (!s) |
75 | if (!s) |
81 | return null; |
76 | return null (); |
82 | |
77 | |
83 | if (const char *found = find (s)) |
78 | if (const char *found = find (s)) |
84 | { |
79 | { |
85 | ++refcnt (found); |
80 | ++refcnt (found); |
86 | return found; |
81 | return found; |
… | |
… | |
125 | const char *s = *o; |
120 | const char *s = *o; |
126 | |
121 | |
127 | ht.erase (o); |
122 | ht.erase (o); |
128 | |
123 | |
129 | //printf ("GC %4d %3d %d >%s<%d\n", (int)ht.size (), n, shstr::refcnt (s), s, shstr::length (s)); |
124 | //printf ("GC %4d %3d %d >%s<%d\n", (int)ht.size (), n, shstr::refcnt (s), s, shstr::length (s)); |
130 | shstr_alloc -= sizeof (int) * 2 + length (s) + 1; |
125 | int alloc = sizeof (uint32_t) * 2 + length (s) + 1; |
131 | g_slice_free1 (sizeof (int) * 2 + length (s) + 1, -2 + (int *) s); |
126 | shstr_alloc -= alloc; |
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127 | g_slice_free1 (alloc, (void *)(s - sizeof (uint32_t) * 2)); |
132 | } |
128 | } |
133 | else |
129 | else |
134 | ++i; |
130 | ++i; |
135 | } |
131 | } |
136 | |
132 | |
137 | curpos = *i; |
133 | curpos = *i; |
138 | } |
134 | } |
139 | |
135 | |
140 | const shstr shstr_null; |
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141 | |
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142 | // declare these here to get correct initialisation order |
136 | // declare these here to get correct initialisation order |
143 | #define def(str) const shstr shstr_ ## str (# str); |
137 | #define def2(id,str) const shstr id (str); |
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138 | #define def(id) def2(shstr_ ## id, # id) |
144 | # include "shstrinc.h" |
139 | # include "shstrinc.h" |
145 | #undef def |
140 | #undef def |
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141 | #undef def2 |
146 | |
142 | |
147 | shstr skill_names[NUM_SKILLS]; |
143 | shstr skill_names[NUM_SKILLS]; |
148 | |
144 | |
149 | //TODO: this should of course not be here |
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150 | |
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151 | /* buf_overflow() - we don't want to exceed the buffer size of |
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152 | * buf1 by adding on buf2! Returns true if overflow will occur. |
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153 | */ |
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154 | int |
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155 | buf_overflow (const char *buf1, const char *buf2, int bufsize) |
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156 | { |
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157 | int len1 = 0, len2 = 0; |
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158 | |
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159 | if (buf1) |
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160 | len1 = strlen (buf1); |
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161 | |
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162 | if (buf2) |
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163 | len2 = strlen (buf2); |
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164 | |
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165 | if ((len1 + len2) >= bufsize) |
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166 | return 1; |
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167 | |
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168 | return 0; |
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169 | } |
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