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jfr.im git - solanum.git/blob - include/irc_string.h
2 * ircd-ratbox: A slightly useful ircd.
3 * irc_string.h: A header for the ircd string functions.
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
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.
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.
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
24 * $Id: irc_string.h 3538 2007-07-26 14:21:57Z jilles $
27 #ifndef INCLUDED_irc_string_h
28 #define INCLUDED_irc_string_h
31 #include "ircd_defs.h"
34 * match - compare name with mask, mask may contain * and ? as wildcards
35 * match - returns 1 on successful match, 0 otherwise
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
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
);
49 * comp_with_mask - compares to IP address
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
);
55 * collapse - collapse a string in place, converts multiple adjacent *'s
57 * collapse - modifies the contents of pattern
59 * collapse_esc() - collapse with support for escaping chars
61 extern char *collapse(char *pattern
);
62 extern char *collapse_esc(char *pattern
);
65 * irccmp - case insensitive comparison of s1 and s2
67 extern int irccmp(const char *s1
, const char *s2
);
69 * ircncmp - counted case insensitive comparison of s1 and s2
71 extern int ircncmp(const char *s1
, const char *s2
, int n
);
73 ** canonize - reduce a string of duplicate list entries to contain
74 ** only the unique items.
76 #ifdef NO_DUPE_MULTI_MESSAGES
77 extern char *canonize(char *);
80 * inetntoa - optimized inet_ntoa
82 const char *inetntoa(const char *in_addr
);
87 * portable interfaces for inet_ntop() and inet_pton()
89 const char *inetntop(int af
, const void *src
, char *dst
, unsigned int size
);
90 int inetpton(int af
, const char *src
, void *dst
);
91 const char *inetntop_sock(struct sockaddr
*src
, char *dst
, unsigned int size
);
92 int inetpton_sock(const char *src
, struct sockaddr
*dst
);
95 size_t strlcpy(char *dst
, const char *src
, size_t siz
);
99 size_t strlcat(char *dst
, const char *src
, size_t siz
);
103 #define DupNString(x, y, len) do { x = strndup(y, len); if(x == NULL) outofmemory(); } while (0)
105 #define DupNString(x, y, len) do { x = malloc(len+1); if(x == NULL) outofmemory(); strlcpy(x, y, len+1); } while(0)
109 * clean_string - cleanup control and high ascii characters
112 char *clean_string(char *dest
, const unsigned char *src
, size_t len
);
115 * strip_colour - remove colour codes from a string
118 char *strip_colour(char *string
);
121 * strip_tabs - convert tabs to spaces
124 char *strip_tabs(char *dest
, const unsigned char *src
, size_t len
);
126 const char *myctime(time_t);
128 #define EmptyString(x) ((x) == NULL || *(x) == '\0')
129 #define CheckEmpty(x) EmptyString(x) ? "" : x
131 char *strtoken(char **save
, char *str
, const char *fs
);
133 unsigned char *ircd_base64_encode(const unsigned char *str
, int length
);
134 unsigned char *ircd_base64_decode(const unsigned char *str
, int length
, int *ret
);
139 extern const unsigned char ToLowerTab
[];
140 #define ToLower(c) (ToLowerTab[(unsigned char)(c)])
142 extern const unsigned char ToUpperTab
[];
143 #define ToUpper(c) (ToUpperTab[(unsigned char)(c)])
145 extern const unsigned int CharAttrs
[];
147 #define PRINT_C 0x001
148 #define CNTRL_C 0x002
149 #define ALPHA_C 0x004
150 #define PUNCT_C 0x008
151 #define DIGIT_C 0x010
152 #define SPACE_C 0x020
155 #define KWILD_C 0x100
156 #define CHANPFX_C 0x200
159 #define NONEOS_C 0x1000
160 #define SERV_C 0x2000
162 #define MWILD_C 0x8000
163 #define LET_C 0x10000 /* an actual letter */
164 #define FCHAN_C 0x20000 /* a 'fake' channel char */
166 #define IsHostChar(c) (CharAttrs[(unsigned char)(c)] & HOST_C)
167 #define IsUserChar(c) (CharAttrs[(unsigned char)(c)] & USER_C)
168 #define IsChanPrefix(c) (CharAttrs[(unsigned char)(c)] & CHANPFX_C)
169 #define IsChanChar(c) (CharAttrs[(unsigned char)(c)] & CHAN_C)
170 #define IsFakeChanChar(c) (CharAttrs[(unsigned char)(c)] & FCHAN_C)
171 #define IsKWildChar(c) (CharAttrs[(unsigned char)(c)] & KWILD_C)
172 #define IsMWildChar(c) (CharAttrs[(unsigned char)(c)] & MWILD_C)
173 #define IsNickChar(c) (CharAttrs[(unsigned char)(c)] & NICK_C)
174 #define IsServChar(c) (CharAttrs[(unsigned char)(c)] & (NICK_C | SERV_C))
175 #define IsIdChar(c) (CharAttrs[(unsigned char)(c)] & (DIGIT_C | LET_C))
176 #define IsLetter(c) (CharAttrs[(unsigned char)(c)] & LET_C)
177 #define IsCntrl(c) (CharAttrs[(unsigned char)(c)] & CNTRL_C)
178 #define IsAlpha(c) (CharAttrs[(unsigned char)(c)] & ALPHA_C)
179 #define IsSpace(c) (CharAttrs[(unsigned char)(c)] & SPACE_C)
180 #define IsLower(c) (IsAlpha((c)) && ((unsigned char)(c) > 0x5f))
181 #define IsUpper(c) (IsAlpha((c)) && ((unsigned char)(c) < 0x60))
182 #define IsDigit(c) (CharAttrs[(unsigned char)(c)] & DIGIT_C)
183 #define IsXDigit(c) (IsDigit(c) || ('a' <= (c) && (c) <= 'f') || \
184 ('A' <= (c) && (c) <= 'F'))
185 #define IsAlNum(c) (CharAttrs[(unsigned char)(c)] & (DIGIT_C | ALPHA_C))
186 #define IsPrint(c) (CharAttrs[(unsigned char)(c)] & PRINT_C)
187 #define IsAscii(c) ((unsigned char)(c) < 0x80)
188 #define IsGraph(c) (IsPrint((c)) && ((unsigned char)(c) != 0x32))
189 #define IsPunct(c) (!(CharAttrs[(unsigned char)(c)] & \
190 (CNTRL_C | ALPHA_C | DIGIT_C)))
192 #define IsNonEOS(c) (CharAttrs[(unsigned char)(c)] & NONEOS_C)
193 #define IsEol(c) (CharAttrs[(unsigned char)(c)] & EOL_C)
195 #endif /* INCLUDED_irc_string_h */