1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2010 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
17 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
18 * All rights reserved.
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 * 3. The name of the author may not be used to endorse or promote products
29 * derived from this software without specific prior written permission.
31 * THIS SOFTWARE IS PROVIDED `AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
32 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
33 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
34 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
35 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
36 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
37 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
38 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
39 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
40 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44 CoreExport size_t strlcat(char *dst, const char *src, size_t siz)
50 while (n-- != 0 && *d != '\0')
57 return(dlen + strlen(s));
71 return(dlen + (s - src)); /* count does not include NUL */
74 CoreExport size_t strlcpy(char *dst, const char *src, size_t siz)
80 /* Copy as many bytes as will fit */
81 if (n != 0 && --n != 0)
85 if ((*d++ = *s++) == 0)
90 /* Not enough room in dst, add NUL and traverse rest of src */
94 *d = '\0'; /* NUL-terminate dst */
98 return(s - src - 1); /* count does not include NUL */
102 CoreExport int charlcat(char* x,char y,int z)
119 CoreExport bool charremove(char* mp, char remove)
122 bool shift_down = false;
138 static const char hextable[] = "0123456789abcdef";
140 std::string BinToHex(const std::string& data)
142 int l = data.length();
145 for(int i=0; i < l; i++)
147 unsigned char c = data[i];
148 rv.append(1, hextable[c >> 4]);
149 rv.append(1, hextable[c & 0xF]);
154 static const char b64table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
156 std::string BinToBase64(const std::string& data_str, const char* table, char pad)
162 uint8_t* data = (uint8_t*)data_str.data();
165 while (i + 2 < data_str.length())
167 buffer = (data[i] << 16 | data[i+1] << 8 | data[i+2]);
168 rv.push_back(table[0x3F & (buffer >> 18)]);
169 rv.push_back(table[0x3F & (buffer >> 12)]);
170 rv.push_back(table[0x3F & (buffer >> 6)]);
171 rv.push_back(table[0x3F & (buffer >> 0)]);
174 if (data_str.length() == i)
176 // no extra characters
178 else if (data_str.length() == i + 1)
180 buffer = data[i] << 16;
181 rv.push_back(table[0x3F & (buffer >> 18)]);
182 rv.push_back(table[0x3F & (buffer >> 12)]);
189 else if (data_str.length() == i + 2)
191 buffer = (data[i] << 16 | data[i+1] << 8);
192 rv.push_back(table[0x3F & (buffer >> 18)]);
193 rv.push_back(table[0x3F & (buffer >> 12)]);
194 rv.push_back(table[0x3F & (buffer >> 6)]);
201 std::string Base64ToBin(const std::string& data_str, const char* table)
208 const char* data = data_str.c_str();
212 const char* find = strchr(table, *data++);
213 if (!find || find >= table + 64)
215 buffer = (buffer << 6) | (find - table);
220 rv.push_back((buffer >> bitcount) & 0xFF);