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root/svn/ircd-hybrid/trunk/src/s_misc.c
Revision: 2970
Committed: Fri Jan 31 11:23:46 2014 UTC (11 years, 6 months ago) by michael
Content type: text/x-csrc
File size: 4015 byte(s)
Log Message:
- Move myctime() from irc_string.c to s_misc.c

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 *
4 * Copyright (c) 1997-2014 ircd-hybrid development team
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19 * USA
20 */
21
22 /*! \file s_misc.c
23 * \brief Yet another miscellaneous functions file.
24 * \version $Id$
25 */
26
27 #include "stdinc.h"
28 #include "s_misc.h"
29 #include "client.h"
30 #include "irc_string.h"
31 #include "ircd.h"
32 #include "numeric.h"
33 #include "irc_res.h"
34 #include "fdlist.h"
35 #include "s_bsd.h"
36 #include "conf.h"
37 #include "s_serv.h"
38 #include "send.h"
39 #include "memory.h"
40
41
42 static const char *const months[] =
43 {
44 "January", "February", "March", "April",
45 "May", "June", "July", "August",
46 "September", "October", "November","December"
47 };
48
49 static const char *const weekdays[] =
50 {
51 "Sunday", "Monday", "Tuesday", "Wednesday",
52 "Thursday", "Friday", "Saturday"
53 };
54
55 const char *
56 date(time_t lclock)
57 {
58 static char buf[80], plus;
59 struct tm *lt, *gm;
60 struct tm gmbuf;
61 int minswest;
62
63 if (!lclock)
64 lclock = CurrentTime;
65 gm = gmtime(&lclock);
66 memcpy(&gmbuf, gm, sizeof(gmbuf));
67 gm = &gmbuf;
68 lt = localtime(&lclock);
69
70 /*
71 * There is unfortunately no clean portable way to extract time zone
72 * offset information, so do ugly things.
73 */
74 minswest = (gm->tm_hour - lt->tm_hour) * 60 + (gm->tm_min - lt->tm_min);
75
76 if (lt->tm_yday != gm->tm_yday)
77 {
78 if ((lt->tm_yday > gm->tm_yday && lt->tm_year == gm->tm_year) ||
79 (lt->tm_yday < gm->tm_yday && lt->tm_year != gm->tm_year))
80 minswest -= 24 * 60;
81 else
82 minswest += 24 * 60;
83 }
84
85 plus = (minswest > 0) ? '-' : '+';
86 if (minswest < 0)
87 minswest = -minswest;
88
89 snprintf(buf, sizeof(buf), "%s %s %d %d -- %02u:%02u:%02u %c%02u:%02u",
90 weekdays[lt->tm_wday], months[lt->tm_mon],lt->tm_mday,
91 lt->tm_year + 1900, lt->tm_hour, lt->tm_min, lt->tm_sec,
92 plus, minswest/60, minswest%60);
93 return buf;
94 }
95
96 const char *
97 smalldate(time_t lclock)
98 {
99 static char buf[MAX_DATE_STRING];
100 struct tm *lt, *gm;
101 struct tm gmbuf;
102
103 if (!lclock)
104 lclock = CurrentTime;
105
106 gm = gmtime(&lclock);
107 memcpy(&gmbuf, gm, sizeof(gmbuf));
108 gm = &gmbuf;
109 lt = localtime(&lclock);
110
111 snprintf(buf, sizeof(buf), "%d/%d/%d %02d.%02d",
112 lt->tm_year + 1900, lt->tm_mon + 1, lt->tm_mday,
113 lt->tm_hour, lt->tm_min);
114
115 return buf;
116 }
117
118 /*
119 * myctime - This is like standard ctime()-function, but it zaps away
120 * the newline from the end of that string. Also, it takes
121 * the time value as parameter, instead of pointer to it.
122 * Note that it is necessary to copy the string to alternate
123 * buffer (who knows how ctime() implements it, maybe it statically
124 * has newline there and never 'refreshes' it -- zapping that
125 * might break things in other places...)
126 *
127 *
128 * Thu Nov 24 18:22:48 1986
129 */
130 const char *
131 myctime(time_t value)
132 {
133 static char buf[32];
134 char *p;
135
136 strlcpy(buf, ctime(&value), sizeof(buf));
137
138 if ((p = strchr(buf, '\n')) != NULL)
139 *p = '\0';
140 return buf;
141 }
142
143 #ifdef HAVE_LIBCRYPTO
144 const char *
145 ssl_get_cipher(const SSL *ssl)
146 {
147 static char buffer[IRCD_BUFSIZE / 4];
148 int bits = 0;
149
150 SSL_CIPHER_get_bits(SSL_get_current_cipher(ssl), &bits);
151
152 snprintf(buffer, sizeof(buffer), "%s %s-%d", SSL_get_version(ssl),
153 SSL_get_cipher(ssl), bits);
154 return buffer;
155 }
156 #endif

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