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1 | /* | |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * linebuf.h: A header for the linebuf code. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 | |
22 | * USA | |
23 | * | |
24 | */ | |
25 | ||
26 | #ifndef RB_LIB_H | |
27 | # error "Do not use linebuf.h directly" | |
28 | #endif | |
29 | ||
30 | #ifndef __LINEBUF_H__ | |
31 | #define __LINEBUF_H__ | |
32 | ||
33 | #define LINEBUF_COMPLETE 0 | |
34 | #define LINEBUF_PARTIAL 1 | |
35 | #define LINEBUF_PARSED 0 | |
36 | #define LINEBUF_RAW 1 | |
37 | ||
38 | struct _buf_line; | |
39 | struct _buf_head; | |
40 | ||
41 | /* How big we want a buffer - 510 data bytes, plus space for a '\0' */ | |
42 | #define BUF_DATA_SIZE 511 | |
43 | ||
44 | typedef struct _buf_line | |
45 | { | |
46 | char buf[BUF_DATA_SIZE + 2]; | |
47 | uint8_t terminated; /* Whether we've terminated the buffer */ | |
48 | uint8_t raw; /* Whether this linebuf may hold 8-bit data */ | |
49 | int len; /* How much data we've got */ | |
50 | int refcount; /* how many linked lists are we in? */ | |
51 | } buf_line_t; | |
52 | ||
53 | typedef struct _buf_head | |
54 | { | |
55 | rb_dlink_list list; /* the actual dlink list */ | |
56 | int len; /* length of all the data */ | |
57 | int alloclen; /* Actual allocated data length */ | |
58 | int writeofs; /* offset in the first line for the write */ | |
59 | int numlines; /* number of lines */ | |
60 | } buf_head_t; | |
61 | ||
62 | ||
63 | ||
64 | /* they should be functions, but .. */ | |
65 | #define rb_linebuf_len(x) ((x)->len) | |
66 | #define rb_linebuf_alloclen(x) ((x)->alloclen) | |
67 | #define rb_linebuf_numlines(x) ((x)->numlines) | |
68 | ||
69 | void rb_linebuf_init(size_t heap_size); | |
70 | void rb_linebuf_newbuf(buf_head_t *); | |
71 | void rb_linebuf_donebuf(buf_head_t *); | |
72 | int rb_linebuf_parse(buf_head_t *, char *, int, int); | |
73 | int rb_linebuf_get(buf_head_t *, char *, int, int, int); | |
74 | void rb_linebuf_putmsg(buf_head_t *, const char *, va_list *, const char *, ...); | |
75 | void rb_linebuf_putprefix(buf_head_t *, const char *, va_list *, const char *); | |
76 | void rb_linebuf_put(buf_head_t *, const char *, ...); | |
77 | void rb_linebuf_putbuf(buf_head_t * bufhead, const char *buffer); | |
78 | void rb_linebuf_attach(buf_head_t *, buf_head_t *); | |
79 | void rb_count_rb_linebuf_memory(size_t *, size_t *); | |
80 | int rb_linebuf_flush(rb_fde_t *F, buf_head_t *); | |
81 | ||
82 | ||
83 | #endif |