Mercurial > noffle
annotate src/database.c @ 131:3598fc9581c1 noffle
[svn] Added filtering
author | bears |
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date | Wed, 09 Aug 2000 22:30:58 +0100 |
parents | 3c71e28c8eef |
children | 39838e7d38be |
rev | line source |
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1 /* |
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2 database.c |
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3 |
127 | 4 $Id: database.c 183 2000-07-25 12:14:54Z bears $ |
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5 |
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6 Uses GNU gdbm library. Using Berkeley db (included in libc6) was |
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7 cumbersome. It is based on Berkeley db 1.85, which has severe bugs |
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8 (e.g. it is not recommended to delete or overwrite entries with |
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9 overflow pages). |
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10 */ |
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11 |
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12 #if HAVE_CONFIG_H |
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13 #include <config.h> |
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14 #endif |
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15 |
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16 #include <stdio.h> |
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17 #include "database.h" |
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18 #include <ctype.h> |
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19 #include <errno.h> |
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20 #include <fcntl.h> |
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21 #include <gdbm.h> |
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22 #include <unistd.h> |
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23 #include <sys/types.h> |
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24 #include <sys/stat.h> |
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25 #include "configfile.h" |
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26 #include "itemlist.h" |
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27 #include "log.h" |
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28 #include "protocol.h" |
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29 #include "util.h" |
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30 #include "portable.h" |
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31 |
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32 static struct Db |
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33 { |
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34 GDBM_FILE dbf; |
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35 |
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36 /* Start string for Xref header line: "Xref: <host>" */ |
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37 Str xrefHost; |
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38 |
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39 /* Msg Id of presently loaded article, empty if none loaded */ |
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40 Str msgId; |
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41 |
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42 /* Status of loaded article */ |
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43 int status; /* Flags */ |
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44 time_t lastAccess; |
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45 |
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46 /* Overview of loaded article */ |
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47 Str subj; |
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48 Str from; |
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49 Str date; |
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50 Str ref; |
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51 Str xref; |
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52 size_t bytes; |
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53 size_t lines; |
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54 |
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55 /* Article text (except for overview header lines) */ |
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56 DynStr *txt; |
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57 |
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58 } db = { NULL, "(unknown)", "", 0, 0, "", "", "", "", "", 0, 0, NULL }; |
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59 |
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60 static const char * |
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61 errMsg( void ) |
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62 { |
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63 if ( errno != 0 ) |
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64 return strerror( errno ); |
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65 return gdbm_strerror( gdbm_errno ); |
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66 } |
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67 |
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68 Bool |
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69 Db_open( void ) |
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70 { |
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71 Str name, host; |
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72 int flags; |
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73 |
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74 ASSERT( db.dbf == NULL ); |
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75 snprintf( name, MAXCHAR, "%s/data/articles.gdbm", Cfg_spoolDir() ); |
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76 flags = GDBM_WRCREAT | GDBM_FAST; |
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77 |
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78 if ( ! ( db.dbf = gdbm_open( name, 512, flags, 0644, NULL ) ) ) |
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79 { |
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80 Log_err( "Error opening %s for r/w (%s)", name, errMsg() ); |
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81 return FALSE; |
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82 } |
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83 Log_dbg( "%s opened for r/w", name ); |
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84 |
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85 if ( db.txt == NULL ) |
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86 db.txt = new_DynStr( 5000 ); |
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87 |
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88 gethostname( host, MAXCHAR ); |
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89 snprintf( db.xrefHost, MAXCHAR, "Xref: %s", host ); |
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90 |
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91 return TRUE; |
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92 } |
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93 |
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94 void |
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95 Db_close( void ) |
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96 { |
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97 ASSERT( db.dbf ); |
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98 Log_dbg( "Closing database" ); |
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99 gdbm_close( db.dbf ); |
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100 db.dbf = NULL; |
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101 del_DynStr( db.txt ); |
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102 db.txt = NULL; |
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103 Utl_cpyStr( db.msgId, "" ); |
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104 } |
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105 |
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106 static Bool |
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107 loadArt( const char *msgId ) |
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108 { |
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109 static void *dptr = NULL; |
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110 |
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111 datum key, val; |
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112 Str t = ""; |
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113 const char *p; |
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114 |
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115 ASSERT( db.dbf ); |
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116 |
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117 if ( strcmp( msgId, db.msgId ) == 0 ) |
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118 return TRUE; |
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119 |
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120 key.dptr = (void *)msgId; |
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121 key.dsize = strlen( msgId ) + 1; |
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122 if ( dptr != NULL ) |
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123 { |
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124 free( dptr ); |
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125 dptr = NULL; |
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126 } |
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127 val = gdbm_fetch( db.dbf, key ); |
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128 dptr = val.dptr; |
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129 if ( dptr == NULL ) |
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130 { |
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131 Log_dbg( "database.c loadArt: gdbm_fetch found no entry" ); |
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132 return FALSE; |
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133 } |
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134 |
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135 Utl_cpyStr( db.msgId, msgId ); |
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136 p = Utl_getLn( t, (char *)dptr ); |
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137 if ( ! p || sscanf( t, "%x", &db.status ) != 1 ) |
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138 { |
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139 Log_err( "Entry in database '%s' is corrupt (status)", msgId ); |
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140 return FALSE; |
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141 } |
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142 p = Utl_getLn( t, p ); |
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143 if ( ! p || sscanf( t, "%lu", &db.lastAccess ) != 1 ) |
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144 { |
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145 Log_err( "Entry in database '%s' is corrupt (lastAccess)", msgId ); |
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146 return FALSE; |
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147 } |
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148 p = Utl_getLn( db.subj, p ); |
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149 p = Utl_getLn( db.from, p ); |
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150 p = Utl_getLn( db.date, p ); |
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151 p = Utl_getLn( db.ref, p ); |
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152 p = Utl_getLn( db.xref, p ); |
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153 if ( ! p ) |
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154 { |
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155 Log_err( "Entry in database '%s' is corrupt (overview)", msgId ); |
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156 return FALSE; |
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157 } |
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158 p = Utl_getLn( t, p ); |
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159 if ( ! p || sscanf( t, "%u", &db.bytes ) != 1 ) |
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160 { |
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161 Log_err( "Entry in database '%s' is corrupt (bytes)", msgId ); |
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162 return FALSE; |
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163 } |
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164 p = Utl_getLn( t, p ); |
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165 if ( ! p || sscanf( t, "%u", &db.lines ) != 1 ) |
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166 { |
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167 Log_err( "Entry in database '%s' is corrupt (lines)", msgId ); |
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168 return FALSE; |
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169 } |
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170 DynStr_clear( db.txt ); |
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171 DynStr_app( db.txt, p ); |
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172 return TRUE; |
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173 } |
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174 |
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175 static Bool |
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176 saveArt( void ) |
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177 { |
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178 DynStr *s; |
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179 Str t = ""; |
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180 datum key, val; |
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181 |
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182 if ( strcmp( db.msgId, "" ) == 0 ) |
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183 return FALSE; |
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184 s = new_DynStr( 5000 ); |
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185 snprintf( t, MAXCHAR, "%x", db.status ); |
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186 DynStr_appLn( s, t ); |
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187 snprintf( t, MAXCHAR, "%lu", db.lastAccess ); |
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188 DynStr_appLn( s, t ); |
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189 DynStr_appLn( s, db.subj ); |
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190 DynStr_appLn( s, db.from ); |
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191 DynStr_appLn( s, db.date ); |
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192 DynStr_appLn( s, db.ref ); |
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193 DynStr_appLn( s, db.xref ); |
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194 snprintf( t, MAXCHAR, "%u", db.bytes ); |
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195 DynStr_appLn( s, t ); |
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196 snprintf( t, MAXCHAR, "%u", db.lines ); |
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197 DynStr_appLn( s, t ); |
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198 DynStr_appDynStr( s, db.txt ); |
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199 |
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200 key.dptr = (void *)db.msgId; |
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201 key.dsize = strlen( db.msgId ) + 1; |
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202 val.dptr = (void *)DynStr_str( s ); |
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203 val.dsize = DynStr_len( s ) + 1; |
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204 if ( gdbm_store( db.dbf, key, val, GDBM_REPLACE ) != 0 ) |
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205 { |
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206 Log_err( "Could not store %s in database (%s)", errMsg() ); |
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207 return FALSE; |
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208 } |
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209 |
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210 del_DynStr( s ); |
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211 return TRUE; |
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212 } |
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213 |
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214 Bool |
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215 Db_prepareEntry( const Over *ov, const char *grp, int numb ) |
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216 { |
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217 const char *msgId; |
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218 |
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219 ASSERT( db.dbf ); |
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220 ASSERT( ov ); |
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221 ASSERT( grp ); |
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222 |
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223 msgId = Ov_msgId( ov ); |
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224 Log_dbg( "Preparing entry %s", msgId ); |
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225 if ( Db_contains( msgId ) ) |
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226 Log_err( "Preparing article twice: %s", msgId ); |
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227 |
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228 db.status = DB_NOT_DOWNLOADED; |
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229 db.lastAccess = time( NULL ); |
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230 |
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231 Utl_cpyStr( db.msgId, msgId ); |
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232 Utl_cpyStr( db.subj, Ov_subj( ov ) ); |
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233 Utl_cpyStr( db.from, Ov_from( ov ) ); |
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234 Utl_cpyStr( db.date, Ov_date( ov ) ); |
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235 Utl_cpyStr( db.ref, Ov_ref( ov ) ); |
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236 snprintf( db.xref, MAXCHAR, "%s:%i", grp, numb ); |
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237 db.bytes = Ov_bytes( ov ); |
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238 db.lines = Ov_lines( ov ); |
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239 |
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240 DynStr_clear( db.txt ); |
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241 |
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242 return saveArt(); |
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243 } |
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244 |
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245 Bool |
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246 Db_storeArt( const char *msgId, const char *artTxt ) |
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247 { |
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248 Str line, lineEx, field, value; |
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249 |
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250 ASSERT( db.dbf ); |
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251 |
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252 Log_dbg( "Store article %s", msgId ); |
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253 if ( ! loadArt( msgId ) ) |
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254 { |
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255 Log_err( "Cannot find info about '%s' in database", msgId ); |
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256 return FALSE; |
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257 } |
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258 if ( ! ( db.status & DB_NOT_DOWNLOADED ) ) |
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259 { |
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260 Log_err( "Trying to store already retrieved article '%s'", msgId ); |
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261 return FALSE; |
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262 } |
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263 db.status &= ~DB_NOT_DOWNLOADED; |
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264 db.status &= ~DB_RETRIEVING_FAILED; |
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265 db.lastAccess = time( NULL ); |
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266 |
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267 DynStr_clear( db.txt ); |
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268 |
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269 /* Read header */ |
109 | 270 while ( ( artTxt = Utl_getHeaderLn( lineEx, artTxt ) ) != NULL ) |
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271 { |
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272 if ( lineEx[ 0 ] == '\0' ) |
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273 { |
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274 DynStr_appLn( db.txt, lineEx ); |
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275 break; |
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276 } |
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277 /* Remove fields already in overview and handle x-noffle |
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278 headers correctly in case of cascading NOFFLEs */ |
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279 if ( Prt_getField( field, value, lineEx ) ) |
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280 { |
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281 if ( strcmp( field, "x-noffle-status" ) == 0 ) |
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282 { |
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283 if ( strstr( value, "NOT_DOWNLOADED" ) != 0 ) |
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284 db.status |= DB_NOT_DOWNLOADED; |
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285 } |
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286 else if ( strcmp( field, "message-id" ) != 0 |
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287 && strcmp( field, "xref" ) != 0 |
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288 && strcmp( field, "references" ) != 0 |
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289 && strcmp( field, "subject" ) != 0 |
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290 && strcmp( field, "from" ) != 0 |
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291 && strcmp( field, "date" ) != 0 |
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292 && strcmp( field, "bytes" ) != 0 |
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293 && strcmp( field, "lines" ) != 0 |
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294 && strcmp( field, "x-noffle-lastaccess" ) != 0 ) |
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295 DynStr_appLn( db.txt, lineEx ); |
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296 } |
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297 } |
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298 |
109 | 299 if ( artTxt == NULL ) |
300 { | |
301 Log_err( "Article %s malformed: missing body", msgId ); | |
302 return FALSE; | |
303 } | |
304 | |
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305 /* Read body */ |
109 | 306 while ( ( artTxt = Utl_getLn( line, artTxt ) ) != NULL ) |
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307 if ( ! ( db.status & DB_NOT_DOWNLOADED ) ) |
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308 DynStr_appLn( db.txt, line ); |
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309 |
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310 return saveArt(); |
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311 } |
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312 |
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313 void |
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314 Db_setStatus( const char *msgId, int status ) |
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315 { |
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316 if ( loadArt( msgId ) ) |
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317 { |
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318 db.status = status; |
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319 saveArt(); |
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320 } |
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321 } |
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322 |
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323 void |
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324 Db_updateLastAccess( const char *msgId ) |
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325 { |
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326 if ( loadArt( msgId ) ) |
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327 { |
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328 db.lastAccess = time( NULL ); |
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329 saveArt(); |
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330 } |
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331 } |
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332 |
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333 void |
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334 Db_setXref( const char *msgId, const char *xref ) |
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335 { |
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336 if ( loadArt( msgId ) ) |
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337 { |
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338 Utl_cpyStr( db.xref, xref ); |
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339 saveArt(); |
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340 } |
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341 } |
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342 |
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343 /* Search best position for breaking a line */ |
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344 static const char * |
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345 searchBreakPos( const char *line, int wantedLength ) |
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346 { |
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347 const char *lastSpace = NULL; |
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348 Bool lastWasSpace = FALSE; |
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349 int len = 0; |
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350 |
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351 while ( *line != '\0' ) |
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352 { |
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353 if ( isspace( *line ) ) |
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354 { |
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355 if ( len > wantedLength && lastSpace != NULL ) |
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356 return lastSpace; |
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357 if ( ! lastWasSpace ) |
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358 lastSpace = line; |
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359 lastWasSpace = TRUE; |
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360 } |
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361 else |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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362 lastWasSpace = FALSE; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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363 ++len; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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364 ++line; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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365 } |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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366 if ( len > wantedLength && lastSpace != NULL ) |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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367 return lastSpace; |
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368 return line; |
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369 } |
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370 |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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371 /* Append header line by breaking long line into multiple lines */ |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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372 static void |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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373 appendLongHeader( DynStr *target, const char *field, const char *value ) |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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374 { |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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375 const int wantedLength = 78; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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376 const char *breakPos, *old; |
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377 int len; |
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378 |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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379 len = strlen( field ); |
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380 DynStr_appN( target, field, len ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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381 DynStr_appN( target, " ", 1 ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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382 old = value; |
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383 while ( isspace( *old ) ) |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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384 ++old; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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385 breakPos = searchBreakPos( old, wantedLength - len - 1 ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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386 DynStr_appN( target, old, breakPos - old ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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387 if ( *breakPos == '\0' ) |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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388 { |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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389 DynStr_appN( target, "\n", 1 ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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390 return; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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391 } |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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392 DynStr_appN( target, "\n ", 2 ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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393 while ( TRUE ) |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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394 { |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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395 old = breakPos; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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396 while ( isspace( *old ) ) |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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397 ++old; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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398 breakPos = searchBreakPos( old, wantedLength - 1 ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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399 DynStr_appN( target, old, breakPos - old ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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400 if ( *breakPos == '\0' ) |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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401 { |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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402 DynStr_appN( target, "\n", 1 ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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403 return; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
404 } |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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405 DynStr_appN( target, "\n ", 2 ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
406 } |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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407 } |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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408 |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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409 const char * |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
410 Db_header( const char *msgId ) |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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411 { |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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412 static DynStr *s = NULL; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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413 |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
414 Str date, t; |
61
adf0af5152f7
[svn] Renamed some variables and function names, because they caused compiler
enz
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54
diff
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|
415 int status; |
43
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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416 const char *p; |
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|
417 |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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418 if ( s == NULL ) |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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419 s = new_DynStr( 5000 ); |
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420 else |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
421 DynStr_clear( s ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
422 ASSERT( db.dbf ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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423 if ( ! loadArt( msgId ) ) |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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424 return NULL; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
425 strftime( date, MAXCHAR, "%Y-%m-%d %H:%M:%S", |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
426 localtime( &db.lastAccess ) ); |
61
adf0af5152f7
[svn] Renamed some variables and function names, because they caused compiler
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parents:
54
diff
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|
427 status = db.status; |
43
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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428 snprintf( t, MAXCHAR, |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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429 "Message-ID: %s\n" |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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430 "X-NOFFLE-Status:%s%s%s\n" |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
431 "X-NOFFLE-LastAccess: %s\n", |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
432 msgId, |
61
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enz
parents:
54
diff
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|
433 status & DB_INTERESTING ? " INTERESTING" : "", |
adf0af5152f7
[svn] Renamed some variables and function names, because they caused compiler
enz
parents:
54
diff
changeset
|
434 status & DB_NOT_DOWNLOADED ? " NOT_DOWNLOADED" : "", |
adf0af5152f7
[svn] Renamed some variables and function names, because they caused compiler
enz
parents:
54
diff
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|
435 status & DB_RETRIEVING_FAILED ? " RETRIEVING_FAILED" : "", |
43
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
436 date ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
437 DynStr_app( s, t ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
438 appendLongHeader( s, "Subject:", db.subj ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
439 appendLongHeader( s, "From:", db.from ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
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|
440 appendLongHeader( s, "Date:", db.date ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
441 appendLongHeader( s, "References:", db.ref ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
442 DynStr_app( s, "Bytes: " ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
443 snprintf( t, MAXCHAR, "%u", db.bytes ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
444 DynStr_appLn( s, t ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
445 DynStr_app( s, "Lines: " ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
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|
446 snprintf( t, MAXCHAR, "%u", db.lines ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
447 DynStr_appLn( s, t ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
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|
448 appendLongHeader( s, db.xrefHost, db.xref ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
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|
449 p = strstr( DynStr_str( db.txt ), "\n\n" ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
450 if ( ! p ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
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|
451 DynStr_appDynStr( s, db.txt ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
452 else |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
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|
453 DynStr_appN( s, DynStr_str( db.txt ), p - DynStr_str( db.txt ) + 1 ); |
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454 return DynStr_str( s ); |
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455 } |
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456 |
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457 const char * |
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458 Db_body( const char *msgId ) |
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459 { |
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460 const char *p; |
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461 |
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462 if ( ! loadArt( msgId ) ) |
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463 return ""; |
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464 p = strstr( DynStr_str( db.txt ), "\n\n" ); |
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465 if ( ! p ) |
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466 return ""; |
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467 return ( p + 2 ); |
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468 } |
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469 |
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470 int |
61
adf0af5152f7
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54
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471 Db_status( const char *msgId ) |
43
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472 { |
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473 if ( ! loadArt( msgId ) ) |
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474 return 0; |
61
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475 return db.status; |
43
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476 } |
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|
477 |
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478 time_t |
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479 Db_lastAccess( const char *msgId ) |
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480 { |
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481 if ( ! loadArt( msgId ) ) |
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482 return -1; |
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483 return db.lastAccess; |
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484 } |
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485 |
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486 const char * |
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487 Db_ref( const char *msgId ) |
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488 { |
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489 if ( ! loadArt( msgId ) ) |
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490 return ""; |
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491 return db.ref; |
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492 } |
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493 |
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494 const char * |
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495 Db_xref( const char *msgId ) |
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496 { |
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497 if ( ! loadArt( msgId ) ) |
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498 return ""; |
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499 return db.xref; |
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500 } |
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|
501 |
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502 const char * |
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503 Db_from( const char *msgId ) |
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504 { |
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505 if ( ! loadArt( msgId ) ) |
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506 return ""; |
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507 return db.from; |
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508 } |
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|
509 |
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510 const char * |
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511 Db_date( const char *msgId ) |
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512 { |
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513 if ( ! loadArt( msgId ) ) |
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514 return ""; |
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515 return db.date; |
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516 } |
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517 |
127 | 518 Over * |
519 Db_over( const char *msgId ) | |
520 { | |
521 if ( ! loadArt( msgId ) ) | |
522 return NULL; | |
523 return new_Over( db.subj, db.from, db.date, msgId, | |
524 db.ref, db.bytes, db.lines ); | |
525 } | |
526 | |
43
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527 Bool |
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528 Db_contains( const char *msgId ) |
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|
529 { |
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|
530 datum key; |
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|
531 |
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|
532 ASSERT( db.dbf ); |
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533 if ( strcmp( msgId, db.msgId ) == 0 ) |
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534 return TRUE; |
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535 key.dptr = (void*)msgId; |
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536 key.dsize = strlen( msgId ) + 1; |
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537 return gdbm_exists( db.dbf, key ); |
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538 } |
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|
539 |
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|
540 void |
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|
541 Db_delete( const char *msgId ) |
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542 { |
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|
543 datum key; |
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|
544 |
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|
545 ASSERT( db.dbf ); |
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546 if ( strcmp( msgId, db.msgId ) == 0 ) |
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547 db.msgId[ 0 ] = '\0'; |
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548 key.dptr = (void*)msgId; |
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549 key.dsize = strlen( msgId ) + 1; |
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550 gdbm_delete( db.dbf, key ); |
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551 } |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
552 |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
553 static datum cursor = { NULL, 0 }; |
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|
554 |
2842f50feb55
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|
555 Bool |
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|
556 Db_first( const char** msgId ) |
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|
557 { |
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|
558 ASSERT( db.dbf ); |
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|
559 if ( cursor.dptr != NULL ) |
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|
560 { |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
561 free( cursor.dptr ); |
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|
562 cursor.dptr = NULL; |
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|
563 } |
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564 cursor = gdbm_firstkey( db.dbf ); |
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565 *msgId = cursor.dptr; |
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|
566 return ( cursor.dptr != NULL ); |
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|
567 } |
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|
568 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
569 Bool |
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|
570 Db_next( const char** msgId ) |
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|
571 { |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
572 void *oldDptr = cursor.dptr; |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
573 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
574 ASSERT( db.dbf ); |
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[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
575 if ( cursor.dptr == NULL ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
576 return FALSE; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
577 cursor = gdbm_nextkey( db.dbf, cursor ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
578 free( oldDptr ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
579 *msgId = cursor.dptr; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
580 return ( cursor.dptr != NULL ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
581 } |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
582 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
583 static int |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
584 calcExpireDays( const char *msgId ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
585 { |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
586 const char *xref; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
587 ItemList *refs; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
588 const char *ref; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff
changeset
|
589 int res; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
590 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
591 xref = Db_xref( msgId ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
592 if ( xref[ 0 ] == '\0' ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
593 return -1; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
594 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
595 res = -1; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
596 refs = new_Itl( xref, " :" ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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changeset
|
597 for ( ref = Itl_first( refs ); ref != NULL; ref = Itl_next( refs ) ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
598 { |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
599 int days; |
105 | 600 |
601 days = Cfg_expire( ref ); | |
602 if ( days == 0 | |
603 || ( days > res && res != 0 ) ) | |
604 res = days; | |
43
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
605 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
606 Itl_next( refs ); /* Throw away group number */ |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
607 } |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
608 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
609 return res; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
610 } |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
611 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
612 Bool |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
changeset
|
613 Db_expire( void ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
614 { |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
615 int cntDel, cntLeft, flags, expDays; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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616 time_t nowTime, lastAccess; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
617 const char *msgId; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
618 Str name, tmpName; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
619 GDBM_FILE tmpDbf; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
620 datum key, val; |
94 | 621 Str expires; |
622 time_t texpires; | |
43
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
623 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
624 if ( ! Db_open() ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
625 return FALSE; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
626 snprintf( name, MAXCHAR, "%s/data/articles.gdbm", Cfg_spoolDir() ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
627 snprintf( tmpName, MAXCHAR, "%s/data/articles.gdbm.new", Cfg_spoolDir() ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
628 flags = GDBM_NEWDB | GDBM_FAST; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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|
629 if ( ! ( tmpDbf = gdbm_open( tmpName, 512, flags, 0644, NULL ) ) ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
630 { |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
631 Log_err( "Error opening %s for read/write (%s)", errMsg() ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
632 Db_close(); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
633 return FALSE; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
634 } |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
635 Log_inf( "Expiring articles" ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
636 cntDel = 0; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
637 cntLeft = 0; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff
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|
638 nowTime = time( NULL ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
639 if ( Db_first( &msgId ) ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
640 do |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
641 { |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
642 expDays = calcExpireDays( msgId ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
643 lastAccess = Db_lastAccess( msgId ); |
94 | 644 if ( Prt_searchHeader( Db_header( msgId ), "Expires", expires ) ) |
645 texpires = Utl_parseNewsDate( expires ); | |
646 else | |
647 texpires = (time_t) -1; | |
648 | |
43
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
649 if ( expDays == -1 ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
650 Log_err( "Internal error: Failed expiry calculation on %s", |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
651 msgId ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
652 else if ( lastAccess == -1 ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
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|
653 Log_err( "Internal error: Getting lastAccess of %s failed", |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
654 msgId ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
655 else if ( expDays > 0 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
656 && difftime( nowTime, lastAccess ) > |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
657 ( (double) expDays * 24 * 3600 ) ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
658 { |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
659 #ifdef DEBUG |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
660 Str last, now; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
661 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
662 Utl_cpyStr( last, ctime( &lastAccess ) ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
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|
663 last[ strlen( last ) - 1 ] = '\0'; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
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|
664 Utl_cpyStr( now, ctime( &nowTime ) ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
665 last[ strlen( now ) - 1 ] = '\0'; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
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|
666 Log_dbg( "Expiring %s: last access %s, time now %s", |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
667 msgId, last, now ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
668 #endif |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff
changeset
|
669 ++cntDel; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
670 } |
94 | 671 else if ( ( texpires != (time_t) -1 ) |
672 && nowTime > texpires ) | |
673 { | |
674 Log_dbg( "Expiring %s: Expires header activated", msgId ); | |
675 ++cntDel; | |
676 } | |
43
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
677 else |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
678 { |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
679 ++cntLeft; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
680 key.dptr = (void *)msgId; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
681 key.dsize = strlen( msgId ) + 1; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
682 |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
683 val = gdbm_fetch( db.dbf, key ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
684 if ( val.dptr != NULL ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
685 { |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
686 if ( gdbm_store( tmpDbf, key, val, GDBM_INSERT ) != 0 ) |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
687 Log_err( "Could not store %s in new database (%s)", |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
688 errMsg() ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
689 free( val.dptr ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
690 } |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
691 } |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
692 } |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
693 while ( Db_next( &msgId ) ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
694 Log_inf( "%lu articles deleted, %lu left", cntDel, cntLeft ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
695 gdbm_close( tmpDbf ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
696 Db_close(); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
697 rename( tmpName, name ); |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
698 return TRUE; |
2842f50feb55
[svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff
changeset
|
699 } |