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1 /* |
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2 * histolog.c -- File history handling |
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3 * |
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4 * Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net> |
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5 * |
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6 * This program is free software; you can redistribute it and/or modify |
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7 * it under the terms of the GNU General Public License as published by |
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8 * the Free Software Foundation; either version 2 of the License, or (at |
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9 * your option) any later version. |
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10 * |
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11 * This program is distributed in the hope that it will be useful, but |
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 * General Public License for more details. |
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15 * |
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16 * You should have received a copy of the GNU General Public License |
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17 * along with this program; if not, write to the Free Software |
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18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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19 * USA |
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20 */ |
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21 |
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22 #include <string.h> |
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23 #include <stdlib.h> |
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24 #include <time.h> |
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25 #include <ctype.h> |
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26 #include <sys/types.h> |
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27 #include <sys/stat.h> |
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28 #include <fcntl.h> |
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29 |
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30 #include "histolog.h" |
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31 #include "hbuf.h" |
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32 #include "jabglue.h" |
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33 #include "screen.h" |
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34 |
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35 static guint UseFileLogging; |
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36 static guint FileLoadLogs; |
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37 static char *RootDir; |
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38 |
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39 |
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40 // user_histo_file() |
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41 // Returns history filename for the given jid |
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42 // Note: the caller *must* free the filename after use (if not null). |
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43 static char *user_histo_file(const char *jid) |
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44 { |
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45 char *filename; |
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46 if (!UseFileLogging && !FileLoadLogs) return NULL; |
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47 |
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48 filename = g_new(char, strlen(RootDir) + strlen(jid) + 1); |
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49 strcpy(filename, RootDir); |
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50 strcat(filename, jid); |
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51 return filename; |
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52 } |
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53 |
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178
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54 // write_histo_line() |
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55 // Adds a history (multi-)line to the jid's history logfile |
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56 static void write_histo_line(const char *jid, |
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57 time_t timestamp, guchar type, guchar info, const char *data) |
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58 { |
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59 guint len = 0; |
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60 FILE *fp; |
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61 time_t ts; |
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62 const char *p; |
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63 char *filename; |
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64 |
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65 if (!UseFileLogging) return; |
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66 |
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67 filename = user_histo_file(jid); |
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68 |
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69 // If timestamp is null, get current date |
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70 if (timestamp) |
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71 ts = timestamp; |
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72 else |
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73 time(&ts); |
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74 |
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75 if (!data) |
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76 data = ""; |
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77 |
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78 // Count number of extra lines |
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79 for (p=data ; *p ; p++) |
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80 if (*p == '\n') len++; |
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81 |
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82 /* Line format: "TI DDDDDDDDDD LLL [data]" |
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83 * T=Type, I=Info, DDDDDDDDDD=date, LLL=0-padded-len |
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84 * |
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85 * Types: |
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86 * - M message Info: S (send) R (receive) |
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87 * - S status Info: [oaifdcn] |
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88 * We don't check them, we'll trust the caller. |
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89 */ |
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90 |
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91 fp = fopen(filename, "a"); |
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92 g_free(filename); |
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93 if (!fp) return; |
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94 |
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95 fprintf(fp, "%c%c %10u %03d %s\n", type, info, (unsigned int)ts, len, data); |
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96 fclose(fp); |
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97 } |
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98 |
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99 // hlog_read_history() |
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100 // Reads the jid's history logfile |
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101 void hlog_read_history(const char *jid, GList **p_buddyhbuf, guint width) |
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102 { |
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103 char *filename; |
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104 guchar type, info; |
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105 char *data, *tail; |
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106 time_t timestamp; |
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107 guint prefix_flags; |
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108 guint len; |
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109 FILE *fp; |
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110 |
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111 if (!FileLoadLogs) return; |
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112 |
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113 data = g_new(char, HBB_BLOCKSIZE+32); |
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114 if (!data) { |
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115 scr_LogPrint("Not enough memory to read history file"); |
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116 return; |
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117 } |
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118 |
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119 filename = user_histo_file(jid); |
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120 |
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121 fp = fopen(filename, "r"); |
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122 g_free(filename); |
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123 if (!fp) { g_free(data); return; } |
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124 |
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125 /* See write_histo_line() for line format... */ |
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126 while (!feof(fp)) { |
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127 if (fgets(data, HBB_BLOCKSIZE+24, fp) == NULL) break; |
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128 |
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129 for (tail = data; *tail; tail++) ; |
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130 |
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131 type = data[0]; |
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132 info = data[1]; |
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133 if ((type != 'M' && type != 'S') || |
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134 (data[13] != ' ') || (data[17] != ' ')) { |
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135 scr_LogPrint("Error in history file format"); |
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136 break; |
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137 } |
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138 data[13] = data[17] = 0; |
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139 timestamp = (unsigned long) atol(&data[3]); |
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140 len = (unsigned long) atol(&data[14]); |
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141 |
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142 // Some checks |
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143 if (((type == 'M') && (info != 'S' && info != 'R')) || |
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144 ((type == 'I') && (!strchr("OAIFDCN", info)))) { |
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145 scr_LogPrint("Error in history file format"); |
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146 break; |
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147 } |
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148 |
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149 while (len--) { |
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150 if (fgets(tail, HBB_BLOCKSIZE+24 - (tail-data), fp) == NULL) break; |
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151 |
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152 while (*tail) tail++; |
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153 } |
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154 if ((tail > data+18) && (*(tail-1) == '\n')) |
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155 *(tail-1) = 0; |
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156 |
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157 if (type == 'M') { |
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158 if (info == 'S') |
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159 prefix_flags = HBB_PREFIX_OUT; |
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160 else |
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161 prefix_flags = HBB_PREFIX_IN; |
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162 hbuf_add_line(p_buddyhbuf, &data[18], timestamp, prefix_flags, width); |
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163 } |
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164 } |
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165 fclose(fp); |
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166 g_free(data); |
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167 } |
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168 |
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169 // hlog_enable() |
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170 // Enable logging to files. If root_dir is NULL, then $HOME/.mcabber is used. |
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171 // If loadfiles is TRUE, we will try to load buddies history logs from file. |
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172 void hlog_enable(guint enable, char *root_dir, guint loadfiles) |
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173 { |
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174 UseFileLogging = enable; |
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175 FileLoadLogs = loadfiles; |
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176 |
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177 if (enable || loadfiles) { |
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178 if (root_dir) { |
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179 int l = strlen(root_dir); |
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180 if (l < 1) { |
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181 scr_LogPrint("root_dir too short"); |
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182 UseFileLogging = FALSE; |
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183 return; |
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184 } |
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185 // RootDir must be slash-terminated |
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186 if (root_dir[l-1] == '/') |
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187 RootDir = g_strdup(root_dir); |
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188 else { |
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189 RootDir = g_new(char, l+2); |
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190 strcpy(RootDir, root_dir); |
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191 strcat(RootDir, "/"); |
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192 } |
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193 } else { |
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194 char *home = getenv("HOME"); |
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195 char *dir = "/.mcabber/histo/"; |
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196 RootDir = g_new(char, strlen(home) + strlen(dir) + 1); |
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197 strcpy(RootDir, home); |
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198 strcat(RootDir, dir); |
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199 } |
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200 // FIXME |
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201 // We should check the directory actually exists |
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202 } else // Disable history logging |
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203 if (RootDir) { |
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204 g_free(RootDir); |
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205 } |
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206 } |
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207 |
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208 inline void hlog_write_message(const char *jid, time_t timestamp, int sent, |
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209 const char *msg) |
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210 { |
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211 write_histo_line(jid, timestamp, 'M', ((sent) ? 'S' : 'R'), msg); |
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212 } |
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213 |
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214 inline void hlog_write_status(const char *jid, time_t timestamp, |
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215 enum imstatus status) |
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216 { |
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217 // #1 XXX Check status value? |
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218 // #2 We could add a user-readable comment |
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219 write_histo_line(jid, timestamp, 'S', toupper(imstatus2char[status]), |
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220 NULL); |
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221 } |
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222 |
