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/* |
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* histolog.c -- File history handling |
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* |
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* Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or (at |
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* your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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*/ |
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#include <string.h> |
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#include <stdlib.h> |
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#include <time.h> |
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#include <ctype.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <fcntl.h> |
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#include "histolog.h" |
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#include "hbuf.h" |
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#include "jabglue.h" |
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#include "screen.h" |
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static guint UseFileLogging; |
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static guint FileLoadLogs; |
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static char *RootDir; |
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// user_histo_file() |
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// Returns history filename for the given jid |
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// Note: the caller *must* free the filename after use (if not null). |
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static char *user_histo_file(const char *jid) |
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{ |
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char *filename; |
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if (!UseFileLogging && !FileLoadLogs) return NULL; |
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filename = g_new(char, strlen(RootDir) + strlen(jid) + 1); |
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strcpy(filename, RootDir); |
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strcat(filename, jid); |
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return filename; |
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} |
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// write_histo_line() |
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// Adds a history (multi-)line to the jid's history logfile |
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static void write_histo_line(const char *jid, |
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time_t timestamp, guchar type, guchar info, const char *data) |
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{ |
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guint len = 0; |
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FILE *fp; |
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time_t ts; |
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const char *p; |
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char *filename; |
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if (!UseFileLogging) return; |
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filename = user_histo_file(jid); |
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// If timestamp is null, get current date |
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if (timestamp) |
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ts = timestamp; |
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else |
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time(&ts); |
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if (!data) |
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data = ""; |
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// Count number of extra lines |
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for (p=data ; *p ; p++) |
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if (*p == '\n') len++; |
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/* Line format: "TI DDDDDDDDDD LLL [data]" |
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* T=Type, I=Info, DDDDDDDDDD=date, LLL=0-padded-len |
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* |
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* Types: |
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* - M message Info: S (send) R (receive) |
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* - S status Info: [oaifdcn] |
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* We don't check them, we'll trust the caller. |
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*/ |
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fp = fopen(filename, "a"); |
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g_free(filename); |
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if (!fp) return; |
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fprintf(fp, "%c%c %10u %03d %s\n", type, info, (unsigned int)ts, len, data); |
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fclose(fp); |
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} |
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// hlog_read_history() |
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// Reads the jid's history logfile |
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void hlog_read_history(const char *jid, GList **p_buddyhbuf, guint width) |
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{ |
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char *filename; |
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time_t timestamp; |
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guchar type, info; |
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char *data, *tail; |
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guint len; |
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FILE *fp; |
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char prefix[32]; |
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if (!FileLoadLogs) return; |
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data = g_new(char, HBB_BLOCKSIZE+32); |
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if (!data) { |
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scr_LogPrint("Not enough memory to read history file"); |
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return; |
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} |
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filename = user_histo_file(jid); |
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fp = fopen(filename, "r"); |
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g_free(filename); |
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if (!fp) { g_free(data); return; } |
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/* See write_histo_line() for line format... */ |
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while (!feof(fp)) { |
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if (fgets(data, HBB_BLOCKSIZE+24, fp) == NULL) break; |
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for (tail = data; *tail; tail++) ; |
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type = data[0]; |
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info = data[1]; |
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if ((type != 'M' && type != 'S') || |
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(data[13] != ' ') || (data[17] != ' ')) { |
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scr_LogPrint("Error in history file format"); |
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break; |
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} |
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data[13] = data[17] = 0; |
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timestamp = (unsigned long) atol(&data[3]); |
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len = (unsigned long) atol(&data[14]); |
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// Some checks |
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if (((type == 'M') && (info != 'S' && info != 'R')) || |
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((type == 'I') && (!strchr("OAIFDCN", info)))) { |
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scr_LogPrint("Error in history file format"); |
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break; |
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} |
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while (len--) { |
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if (fgets(tail, HBB_BLOCKSIZE+24 - (tail-data), fp) == NULL) break; |
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while (*tail) tail++; |
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} |
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if ((tail > data+18) && (*(tail-1) == '\n')) |
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*(tail-1) = 0; |
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if (type == 'M') { |
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strftime(prefix, 12, "[%H:%M] ", localtime(×tamp)); |
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if (info == 'S') |
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strcat(prefix, "--> "); |
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else |
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strcat(prefix, "<== "); |
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hbuf_add_line(p_buddyhbuf, &data[18], prefix, width); |
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} |
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} |
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fclose(fp); |
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g_free(data); |
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} |
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// hlog_enable() |
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// Enable logging to files. If root_dir is NULL, then $HOME/.mcabber is used. |
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// If loadfiles is TRUE, we will try to load buddies history logs from file. |
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void hlog_enable(guint enable, char *root_dir, guint loadfiles) |
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{ |
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UseFileLogging = enable; |
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FileLoadLogs = loadfiles; |
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if (enable || loadfiles) { |
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if (root_dir) { |
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int l = strlen(root_dir); |
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if (l < 1) { |
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scr_LogPrint("root_dir too short"); |
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UseFileLogging = FALSE; |
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return; |
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} |
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// RootDir must be slash-terminated |
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if (root_dir[l-1] == '/') |
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RootDir = g_strdup(root_dir); |
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else { |
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RootDir = g_new(char, l+2); |
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strcpy(RootDir, root_dir); |
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strcat(RootDir, "/"); |
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} |
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} else { |
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char *home = getenv("HOME"); |
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char *dir = "/.mcabber/histo/"; |
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RootDir = g_new(char, strlen(home) + strlen(dir) + 1); |
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strcpy(RootDir, home); |
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strcat(RootDir, dir); |
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} |
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// FIXME |
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// We should check the directory actually exists |
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} else // Disable history logging |
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if (RootDir) { |
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g_free(RootDir); |
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} |
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} |
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inline void hlog_write_message(const char *jid, time_t timestamp, int sent, |
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const char *msg) |
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{ |
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write_histo_line(jid, timestamp, 'M', ((sent) ? 'S' : 'R'), msg); |
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} |
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inline void hlog_write_status(const char *jid, time_t timestamp, |
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enum imstatus status) |
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{ |
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// #1 XXX Check status value? |
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// #2 We could add a user-readable comment |
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write_histo_line(jid, timestamp, 'S', toupper(imstatus2char[status]), |
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NULL); |
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} |
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