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4562c604 VY |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * irc_string.h: A header for the ircd string functions. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2004 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | * | |
24 | * $Id: irc_string.h 3538 2007-07-26 14:21:57Z jilles $ | |
25 | */ | |
26 | ||
27 | #ifndef INCLUDED_match_h | |
28 | #define INCLUDED_match_h | |
29 | ||
30 | #include "setup.h" | |
31 | #include "ircd_defs.h" | |
32 | ||
33 | /* | |
34 | * match - compare name with mask, mask may contain * and ? as wildcards | |
35 | * match - returns 1 on successful match, 0 otherwise | |
36 | * | |
37 | * mask_match - compare one mask to another | |
38 | * match_esc - compare with support for escaping chars | |
39 | * match_cidr - compares u!h@addr with u!h@addr/cidr | |
40 | * match_ips - compares addr with addr/cidr in ascii form | |
41 | */ | |
42 | extern int match(const char *mask, const char *name); | |
43 | extern int mask_match(const char *oldmask, const char *newmask); | |
44 | extern int match_esc(const char *mask, const char *name); | |
45 | extern int match_cidr(const char *mask, const char *name); | |
46 | extern int match_ips(const char *mask, const char *name); | |
47 | ||
48 | /* | |
49 | * comp_with_mask - compares to IP address | |
50 | */ | |
51 | int comp_with_mask(void *addr, void *dest, u_int mask); | |
52 | int comp_with_mask_sock(struct sockaddr *addr, struct sockaddr *dest, u_int mask); | |
53 | ||
54 | /* | |
55abcbb2 | 55 | * collapse - collapse a string in place, converts multiple adjacent *'s |
4562c604 | 56 | * into a single *. |
55abcbb2 | 57 | * collapse - modifies the contents of pattern |
4562c604 VY |
58 | * |
59 | * collapse_esc() - collapse with support for escaping chars | |
60 | */ | |
61 | extern char *collapse(char *pattern); | |
62 | extern char *collapse_esc(char *pattern); | |
63 | ||
64 | /* | |
65 | * irccmp - case insensitive comparison of s1 and s2 | |
66 | */ | |
67 | extern int irccmp(const char *s1, const char *s2); | |
68 | /* | |
69 | * ircncmp - counted case insensitive comparison of s1 and s2 | |
70 | */ | |
71 | extern int ircncmp(const char *s1, const char *s2, int n); | |
72 | /* | |
73 | ** canonize - reduce a string of duplicate list entries to contain | |
74 | ** only the unique items. | |
75 | */ | |
76 | #ifdef NO_DUPE_MULTI_MESSAGES | |
77 | extern char *canonize(char *); | |
78 | #endif | |
79 | ||
80 | #define EmptyString(x) ((x) == NULL || *(x) == '\0') | |
81 | #define CheckEmpty(x) EmptyString(x) ? "" : x | |
82 | ||
83 | /* | |
84 | * character macros | |
85 | */ | |
86 | extern const unsigned char ToLowerTab[]; | |
87 | #define ToLower(c) (ToLowerTab[(unsigned char)(c)]) | |
88 | ||
89 | extern const unsigned char ToUpperTab[]; | |
90 | #define ToUpper(c) (ToUpperTab[(unsigned char)(c)]) | |
91 | ||
92 | extern const unsigned int CharAttrs[]; | |
93 | ||
94 | #define PRINT_C 0x001 | |
95 | #define CNTRL_C 0x002 | |
96 | #define ALPHA_C 0x004 | |
97 | #define PUNCT_C 0x008 | |
98 | #define DIGIT_C 0x010 | |
99 | #define SPACE_C 0x020 | |
100 | #define NICK_C 0x040 | |
101 | #define CHAN_C 0x080 | |
102 | #define KWILD_C 0x100 | |
103 | #define CHANPFX_C 0x200 | |
104 | #define USER_C 0x400 | |
105 | #define HOST_C 0x800 | |
106 | #define NONEOS_C 0x1000 | |
107 | #define SERV_C 0x2000 | |
108 | #define EOL_C 0x4000 | |
109 | #define MWILD_C 0x8000 | |
110 | #define LET_C 0x10000 /* an actual letter */ | |
111 | #define FCHAN_C 0x20000 /* a 'fake' channel char */ | |
112 | ||
113 | #define IsHostChar(c) (CharAttrs[(unsigned char)(c)] & HOST_C) | |
114 | #define IsUserChar(c) (CharAttrs[(unsigned char)(c)] & USER_C) | |
115 | #define IsChanPrefix(c) (CharAttrs[(unsigned char)(c)] & CHANPFX_C) | |
116 | #define IsChanChar(c) (CharAttrs[(unsigned char)(c)] & CHAN_C) | |
117 | #define IsFakeChanChar(c) (CharAttrs[(unsigned char)(c)] & FCHAN_C) | |
118 | #define IsKWildChar(c) (CharAttrs[(unsigned char)(c)] & KWILD_C) | |
119 | #define IsMWildChar(c) (CharAttrs[(unsigned char)(c)] & MWILD_C) | |
120 | #define IsNickChar(c) (CharAttrs[(unsigned char)(c)] & NICK_C) | |
121 | #define IsServChar(c) (CharAttrs[(unsigned char)(c)] & (NICK_C | SERV_C)) | |
122 | #define IsIdChar(c) (CharAttrs[(unsigned char)(c)] & (DIGIT_C | LET_C)) | |
123 | #define IsLetter(c) (CharAttrs[(unsigned char)(c)] & LET_C) | |
124 | #define IsCntrl(c) (CharAttrs[(unsigned char)(c)] & CNTRL_C) | |
125 | #define IsAlpha(c) (CharAttrs[(unsigned char)(c)] & ALPHA_C) | |
126 | #define IsSpace(c) (CharAttrs[(unsigned char)(c)] & SPACE_C) | |
127 | #define IsLower(c) (IsAlpha((c)) && ((unsigned char)(c) > 0x5f)) | |
128 | #define IsUpper(c) (IsAlpha((c)) && ((unsigned char)(c) < 0x60)) | |
129 | #define IsDigit(c) (CharAttrs[(unsigned char)(c)] & DIGIT_C) | |
130 | #define IsXDigit(c) (IsDigit(c) || ('a' <= (c) && (c) <= 'f') || \ | |
131 | ('A' <= (c) && (c) <= 'F')) | |
132 | #define IsAlNum(c) (CharAttrs[(unsigned char)(c)] & (DIGIT_C | ALPHA_C)) | |
133 | #define IsPrint(c) (CharAttrs[(unsigned char)(c)] & PRINT_C) | |
134 | #define IsAscii(c) ((unsigned char)(c) < 0x80) | |
135 | #define IsGraph(c) (IsPrint((c)) && ((unsigned char)(c) != 0x32)) | |
136 | #define IsPunct(c) (!(CharAttrs[(unsigned char)(c)] & \ | |
137 | (CNTRL_C | ALPHA_C | DIGIT_C))) | |
138 | ||
139 | #define IsNonEOS(c) (CharAttrs[(unsigned char)(c)] & NONEOS_C) | |
140 | #define IsEol(c) (CharAttrs[(unsigned char)(c)] & EOL_C) | |
141 | ||
142 | #endif /* INCLUDED_match_h */ |