Mercurial > ~mikael > mcabber > hg
annotate mcabber/src/histolog.c @ 1303:b6fdbfa6b219
Minor whitespace change
| author | Mikael Berthe <mikael@lilotux.net> |
|---|---|
| date | Fri, 07 Sep 2007 17:07:05 +0200 |
| parents | e42f48103609 |
| children | 0dda8238af21 |
| rev | line source |
|---|---|
| 110 | 1 /* |
| 699 | 2 * histolog.c -- File history handling |
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3 * |
| 1205 | 4 * Copyright (C) 2005-2007 Mikael Berthe <mikael@lilotux.net> |
| 110 | 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 (at | |
| 9 * your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * 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 #include <string.h> | |
| 23 #include <stdlib.h> | |
| 24 #include <time.h> | |
| 113 | 25 #include <ctype.h> |
| 26 #include <sys/types.h> | |
| 27 #include <sys/stat.h> | |
| 28 #include <fcntl.h> | |
| 110 | 29 |
| 30 #include "histolog.h" | |
| 178 | 31 #include "hbuf.h" |
| 113 | 32 #include "jabglue.h" |
| 241 | 33 #include "utils.h" |
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34 #include "logprint.h" |
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35 #include "settings.h" |
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36 #include "utils.h" |
| 110 | 37 |
| 38 static guint UseFileLogging; | |
| 177 | 39 static guint FileLoadLogs; |
| 110 | 40 static char *RootDir; |
| 41 | |
| 42 | |
| 1058 | 43 // user_histo_file(jid) |
| 110 | 44 // Returns history filename for the given jid |
| 45 // Note: the caller *must* free the filename after use (if not null). | |
| 1058 | 46 static char *user_histo_file(const char *bjid) |
| 110 | 47 { |
| 48 char *filename; | |
| 1106 | 49 char *lowerid; |
| 50 | |
| 51 if (!(UseFileLogging || FileLoadLogs)) | |
| 52 return NULL; | |
| 110 | 53 |
| 1058 | 54 lowerid = g_strdup(bjid); |
| 1106 | 55 if (!lowerid) |
| 56 return NULL; | |
| 57 mc_strtolower(lowerid); | |
| 186 | 58 |
| 1106 | 59 filename = g_strdup_printf("%s%s", RootDir, lowerid); |
| 186 | 60 g_free(lowerid); |
| 110 | 61 return filename; |
| 62 } | |
| 63 | |
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64 char *hlog_get_log_jid(const char *bjid) |
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65 { |
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66 struct stat bufstat; |
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67 char *path; |
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68 char *log_jid = NULL; |
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69 |
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70 path = user_histo_file(bjid); |
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71 do { |
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72 if (lstat(path, &bufstat) != 0) |
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73 break; |
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74 if (S_ISLNK(bufstat.st_mode)) { |
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75 g_free(log_jid); |
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76 log_jid = g_new(char, bufstat.st_size+1); |
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77 readlink(path, log_jid, bufstat.st_size); |
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78 g_free(path); |
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79 log_jid[bufstat.st_size] = '\0'; |
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80 path = user_histo_file(log_jid); |
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81 } else { |
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82 g_free(path); |
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83 path = NULL; |
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84 } |
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85 } while( path ); |
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86 |
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87 return log_jid; |
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88 } |
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89 |
| 178 | 90 // write_histo_line() |
| 110 | 91 // Adds a history (multi-)line to the jid's history logfile |
| 1058 | 92 static void write_histo_line(const char *bjid, |
| 113 | 93 time_t timestamp, guchar type, guchar info, const char *data) |
| 110 | 94 { |
| 95 guint len = 0; | |
| 113 | 96 FILE *fp; |
| 110 | 97 time_t ts; |
| 113 | 98 const char *p; |
| 178 | 99 char *filename; |
| 241 | 100 char str_ts[20]; |
| 273 | 101 int err; |
| 110 | 102 |
| 1106 | 103 if (!UseFileLogging) |
| 104 return; | |
| 178 | 105 |
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106 // Do not log status messages when 'logging_ignore_status' is set |
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107 if (type == 'S' && settings_opt_get_int("logging_ignore_status")) |
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108 return; |
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109 |
| 1058 | 110 filename = user_histo_file(bjid); |
| 110 | 111 |
| 112 // If timestamp is null, get current date | |
| 113 if (timestamp) | |
| 114 ts = timestamp; | |
| 115 else | |
| 116 time(&ts); | |
| 117 | |
| 118 if (!data) | |
| 119 data = ""; | |
| 120 | |
| 121 // Count number of extra lines | |
| 122 for (p=data ; *p ; p++) | |
| 123 if (*p == '\n') len++; | |
| 124 | |
| 241 | 125 /* Line format: "TI yyyymmddThh:mm:ssZ [data]" |
| 126 * (Old format: "TI DDDDDDDDDD LLL [data])" | |
| 127 * T=Type, I=Info, yyyymmddThh:mm:ssZ=date, LLL=0-padded-len | |
| 110 | 128 * |
| 129 * Types: | |
| 130 * - M message Info: S (send) R (receive) | |
| 352 | 131 * - S status Info: [_oifdna] |
| 110 | 132 * We don't check them, we'll trust the caller. |
| 133 */ | |
| 134 | |
| 113 | 135 fp = fopen(filename, "a"); |
| 155 | 136 g_free(filename); |
| 273 | 137 if (!fp) { |
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138 scr_LogPrint(LPRINT_LOGNORM, "Unable to write history " |
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139 "(cannot open logfile)"); |
| 273 | 140 return; |
| 141 } | |
| 178 | 142 |
| 241 | 143 to_iso8601(str_ts, ts); |
| 273 | 144 err = fprintf(fp, "%c%c %-18.18s %03d %s\n", type, info, str_ts, len, data); |
| 113 | 145 fclose(fp); |
| 273 | 146 if (err < 0) { |
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147 scr_LogPrint(LPRINT_LOGNORM, "Error while writing to log file: %s", |
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148 strerror(errno)); |
| 273 | 149 } |
| 110 | 150 } |
| 151 | |
| 178 | 152 // hlog_read_history() |
| 153 // Reads the jid's history logfile | |
| 1058 | 154 void hlog_read_history(const char *bjid, GList **p_buddyhbuf, guint width) |
| 178 | 155 { |
| 156 char *filename; | |
| 157 guchar type, info; | |
| 158 char *data, *tail; | |
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159 char *xtext; |
| 184 | 160 time_t timestamp; |
| 161 guint prefix_flags; | |
| 178 | 162 guint len; |
| 163 FILE *fp; | |
| 197 | 164 struct stat bufstat; |
| 193 | 165 guint err = 0; |
| 248 | 166 guint ln = 0; // line number |
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167 time_t starttime; |
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168 int max_num_of_blocks; |
| 178 | 169 |
| 1106 | 170 if (!FileLoadLogs) |
| 171 return; | |
| 178 | 172 |
| 1058 | 173 if ((roster_gettype(bjid) & ROSTER_TYPE_ROOM) && |
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174 (settings_opt_get_int("load_muc_logs") != 1)) |
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175 return; |
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176 |
| 178 | 177 data = g_new(char, HBB_BLOCKSIZE+32); |
| 178 if (!data) { | |
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179 scr_LogPrint(LPRINT_LOGNORM, "Not enough memory to read history file"); |
| 178 | 180 return; |
| 181 } | |
| 182 | |
| 1058 | 183 filename = user_histo_file(bjid); |
| 178 | 184 |
| 185 fp = fopen(filename, "r"); | |
| 186 g_free(filename); | |
| 1106 | 187 if (!fp) { |
| 188 g_free(data); | |
| 189 return; | |
| 190 } | |
| 178 | 191 |
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192 // If file is large (> 3MB here), display a message to inform the user |
| 197 | 193 // (it can take a while...) |
| 194 if (!fstat(fileno(fp), &bufstat)) { | |
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195 if (bufstat.st_size > 3145728) { |
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196 scr_LogPrint(LPRINT_NORMAL, "Reading <%s> history file...", bjid); |
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197 scr_DoUpdate(); |
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198 } |
| 197 | 199 } |
| 200 | |
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201 max_num_of_blocks = get_max_history_blocks(); |
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202 |
| 1106 | 203 starttime = 0L; |
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204 if (settings_opt_get_int("max_history_age") > 0) { |
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205 int maxdays = settings_opt_get_int("max_history_age"); |
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206 time(&starttime); |
| 1106 | 207 if (maxdays >= starttime/86400L) |
| 208 starttime = 0L; | |
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209 else |
| 1106 | 210 starttime -= maxdays * 86400L; |
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211 } |
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212 |
| 178 | 213 /* See write_histo_line() for line format... */ |
| 214 while (!feof(fp)) { | |
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215 guint dataoffset = 25; |
| 1106 | 216 |
| 217 if (fgets(data, HBB_BLOCKSIZE+27, fp) == NULL) | |
| 218 break; | |
| 248 | 219 ln++; |
| 178 | 220 |
| 221 for (tail = data; *tail; tail++) ; | |
| 222 | |
| 223 type = data[0]; | |
| 224 info = data[1]; | |
| 241 | 225 |
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226 if ((type != 'M' && type != 'S') || |
| 259 | 227 ((data[11] != 'T') || (data[20] != 'Z') || |
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228 (data[21] != ' ') || |
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229 (data[25] != ' ' && data[26] != ' '))) { |
| 193 | 230 if (!err) { |
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231 scr_LogPrint(LPRINT_LOGNORM, |
| 1058 | 232 "Error in history file format (%s), l.%u", bjid, ln); |
| 193 | 233 err = 1; |
| 234 } | |
| 186 | 235 continue; |
| 178 | 236 } |
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237 // The number of lines can be written with 3 or 4 bytes. |
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238 if (data[25] != ' ') dataoffset = 26; |
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239 data[21] = data[dataoffset] = 0; |
| 259 | 240 timestamp = from_iso8601(&data[3], 1); |
| 241 len = (guint) atoi(&data[22]); | |
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242 |
| 178 | 243 // Some checks |
| 244 if (((type == 'M') && (info != 'S' && info != 'R')) || | |
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245 ((type == 'I') && (!strchr("OAIFDN", info)))) { |
| 193 | 246 if (!err) { |
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247 scr_LogPrint(LPRINT_LOGNORM, "Error in history file format (%s), l.%u", |
| 1058 | 248 bjid, ln); |
| 193 | 249 err = 1; |
| 250 } | |
| 186 | 251 continue; |
| 178 | 252 } |
| 253 | |
| 197 | 254 // XXX This will fail when a message is too big |
| 178 | 255 while (len--) { |
| 248 | 256 ln++; |
| 259 | 257 if (fgets(tail, HBB_BLOCKSIZE+27 - (tail-data), fp) == NULL) |
| 249 | 258 break; |
| 178 | 259 |
| 260 while (*tail) tail++; | |
| 261 } | |
| 248 | 262 // Small check for too long messages |
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263 if (tail >= HBB_BLOCKSIZE+dataoffset+1 + data) { |
| 249 | 264 // Maybe we will have a parse error on next, because this |
| 265 // message is big (maybe too big). | |
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266 scr_LogPrint(LPRINT_LOGNORM, "A message could be too big " |
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267 "in history file..."); |
| 248 | 268 } |
| 251 | 269 // Remove last CR (we keep it if the line is empty, too) |
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270 if ((tail > data+dataoffset+1) && (*(tail-1) == '\n')) |
| 178 | 271 *(tail-1) = 0; |
| 272 | |
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273 // Check if the data is older than max_history_age |
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274 if (starttime) { |
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275 if (timestamp > starttime) |
| 1106 | 276 starttime = 0L; // From now on, load everything |
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277 else |
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278 continue; |
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279 } |
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280 |
| 178 | 281 if (type == 'M') { |
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282 char *converted; |
| 178 | 283 if (info == 'S') |
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284 prefix_flags = HBB_PREFIX_OUT | HBB_PREFIX_HLIGHT_OUT; |
| 178 | 285 else |
| 184 | 286 prefix_flags = HBB_PREFIX_IN; |
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287 converted = from_utf8(&data[dataoffset+1]); |
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288 if (converted) { |
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289 xtext = ut_expand_tabs(converted); // Expand tabs |
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290 hbuf_add_line(p_buddyhbuf, xtext, timestamp, prefix_flags, width, |
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291 max_num_of_blocks, 0); |
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292 if (xtext != converted) |
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293 g_free(xtext); |
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294 g_free(converted); |
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295 } |
| 193 | 296 err = 0; |
| 178 | 297 } |
| 298 } | |
| 299 fclose(fp); | |
| 300 g_free(data); | |
| 301 } | |
| 302 | |
| 110 | 303 // hlog_enable() |
| 304 // Enable logging to files. If root_dir is NULL, then $HOME/.mcabber is used. | |
| 177 | 305 // If loadfiles is TRUE, we will try to load buddies history logs from file. |
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306 void hlog_enable(guint enable, const char *root_dir, guint loadfiles) |
| 110 | 307 { |
| 308 UseFileLogging = enable; | |
| 177 | 309 FileLoadLogs = loadfiles; |
| 110 | 310 |
| 177 | 311 if (enable || loadfiles) { |
| 110 | 312 if (root_dir) { |
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313 char *xp_root_dir; |
| 110 | 314 int l = strlen(root_dir); |
| 315 if (l < 1) { | |
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316 scr_LogPrint(LPRINT_LOGNORM, "Error: logging dir name too short"); |
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317 UseFileLogging = FileLoadLogs = FALSE; |
| 110 | 318 return; |
| 319 } | |
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320 xp_root_dir = expand_filename(root_dir); |
| 110 | 321 // RootDir must be slash-terminated |
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322 if (root_dir[l-1] == '/') { |
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323 RootDir = xp_root_dir; |
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324 } else { |
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325 RootDir = g_strdup_printf("%s/", xp_root_dir); |
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326 g_free(xp_root_dir); |
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327 } |
| 110 | 328 } else { |
| 329 char *home = getenv("HOME"); | |
| 1106 | 330 const char *dir = "/.mcabber/histo/"; |
| 331 RootDir = g_strdup_printf("%s%s", home, dir); | |
| 110 | 332 } |
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333 // Check directory permissions (should not be readable by group/others) |
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334 if (checkset_perm(RootDir, TRUE) == -1) { |
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335 // The directory does not actually exists |
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336 g_free(RootDir); |
| 1106 | 337 RootDir = NULL; |
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338 scr_LogPrint(LPRINT_LOGNORM, "ERROR: Cannot access " |
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339 "history log directory, logging DISABLED"); |
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340 UseFileLogging = FileLoadLogs = FALSE; |
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341 } |
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342 } else { // Disable history logging |
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343 g_free(RootDir); |
| 1106 | 344 RootDir = NULL; |
| 110 | 345 } |
| 346 } | |
| 347 | |
| 1058 | 348 inline void hlog_write_message(const char *bjid, time_t timestamp, int sent, |
| 113 | 349 const char *msg) |
| 350 { | |
| 1058 | 351 write_histo_line(bjid, timestamp, 'M', ((sent) ? 'S' : 'R'), msg); |
| 113 | 352 } |
| 353 | |
| 1058 | 354 inline void hlog_write_status(const char *bjid, time_t timestamp, |
| 221 | 355 enum imstatus status, const char *status_msg) |
| 113 | 356 { |
| 1205 | 357 // XXX Check status value? |
| 1058 | 358 write_histo_line(bjid, timestamp, 'S', toupper(imstatus2char[status]), |
| 221 | 359 status_msg); |
| 113 | 360 } |
| 361 | |
| 580 | 362 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |