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 (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
6 | * Copyright (©) 2002 Mark Wedel & Crossfire Development Team |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
7 | * Copyright (©) 1992 Frank Tore Johansen |
7 | * |
8 | * |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * the terms of the Affero GNU General Public License as published by the |
10 | * the terms of the Affero GNU General Public License as published by the |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * option) any later version. |
12 | * option) any later version. |
12 | * |
13 | * |
13 | * This program is distributed in the hope that it will be useful, |
14 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
17 | * GNU General Public License for more details. |
17 | * |
18 | * |
18 | * You should have received a copy of the Affero GNU General Public License |
19 | * You should have received a copy of the Affero GNU General Public License |
19 | * and the GNU General Public License along with this program. If not, see |
20 | * and the GNU General Public License along with this program. If not, see |
20 | * <http://www.gnu.org/licenses/>. |
21 | * <http://www.gnu.org/licenses/>. |
21 | * |
22 | * |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
23 | * The authors can be reached via e-mail to <support@deliantra.net> |
23 | */ |
24 | */ |
24 | |
25 | |
25 | #ifndef DYNBUF_H__ |
26 | #ifndef DYNBUF_H__ |
26 | #define DYNBUF_H__ |
27 | #define DYNBUF_H__ |
27 | |
28 | |
28 | #include <cstring> |
29 | #include <cstring> |
29 | #include <cassert> |
30 | #include <cassert> |
30 | |
31 | |
31 | #include "compiler.h" |
32 | #include "ecb.h" |
32 | #include "util.h" |
33 | #include "util.h" |
33 | #include "shstr.h" |
34 | #include "shstr.h" |
34 | |
35 | |
35 | // this is a "buffer" that can grow fast |
36 | // this is a "buffer" that can grow fast |
36 | // and is still somewhat space-efficient. |
37 | // and is still somewhat space-efficient. |
… | |
… | |
84 | int size () const { return _size + (ptr - last->data); } |
85 | int size () const { return _size + (ptr - last->data); } |
85 | bool empty () const { return !size (); } |
86 | bool empty () const { return !size (); } |
86 | |
87 | |
87 | void linearise (void *data); |
88 | void linearise (void *data); |
88 | char *linearise () // does not 0-terminate(!) |
89 | char *linearise () // does not 0-terminate(!) |
89 | { |
90 | { |
90 | return first->next ? _linearise () : first->data; |
91 | return first->next ? _linearise () : first->data; |
91 | } |
92 | } |
92 | |
93 | |
93 | int room () const { return end - ptr; } |
94 | int room () const { return end - ptr; } |
94 | |
95 | |
95 | // make sure we have "size" extra room |
96 | // make sure we have "size" extra room |
96 | char *force (int size) |
97 | char *force (int size) |
97 | { |
98 | { |
98 | if (expect_false (ptr + size > end)) |
99 | if (ecb_expect_false (ptr + size > end)) |
99 | reserve (size); |
100 | reserve (size); |
100 | |
101 | |
101 | assume (ptr + size <= end); |
102 | ecb_assume (ptr + size <= end); |
102 | |
103 | |
103 | return ptr; |
104 | return ptr; |
|
|
105 | } |
|
|
106 | |
|
|
107 | // used for force + alloc combo |
|
|
108 | void alloc (char *p) |
|
|
109 | { |
|
|
110 | ptr = p; |
104 | } |
111 | } |
105 | |
112 | |
106 | // allocate size bytes and return pointer to them (caller must force()) |
113 | // allocate size bytes and return pointer to them (caller must force()) |
107 | char *falloc (int size) |
114 | char *falloc (int size) |
108 | { |
115 | { |
… | |
… | |
184 | dynbuf_text &operator << (sint32 i) { add (sint32 (i)); return *this; } |
191 | dynbuf_text &operator << (sint32 i) { add (sint32 (i)); return *this; } |
185 | dynbuf_text &operator << (sint64 i) { add (sint64 (i)); return *this; } |
192 | dynbuf_text &operator << (sint64 i) { add (sint64 (i)); return *this; } |
186 | dynbuf_text &operator << (uint32 i) { add (sint64 (i)); return *this; } |
193 | dynbuf_text &operator << (uint32 i) { add (sint64 (i)); return *this; } |
187 | dynbuf_text &operator << (uint64 i) { add (sint64 (i)); return *this; } |
194 | dynbuf_text &operator << (uint64 i) { add (sint64 (i)); return *this; } |
188 | |
195 | |
189 | void printf (const char *format, ...) attribute ((format (printf, 2, 3))); |
196 | void printf (const char *format, ...) ecb_attribute ((format (printf, 2, 3))); |
190 | void vprintf (const char *format, va_list ap); |
197 | void vprintf (const char *format, va_list ap); |
191 | |
198 | |
192 | void add_abilities (const char *name, uint32 abilities); |
199 | void add_abilities (const char *name, uint32 abilities); |
193 | void add_paths (const char *name, uint32 paths); |
200 | void add_paths (const char *name, uint32 paths); |
194 | |
201 | |