m_stats: kill O(n) lookup on stats.
This commit is contained in:
Elizabeth Myers
parent
9e6917c147
commit
963c3faa43
1 changed files with 85 additions and 79 deletions
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@ -25,7 +25,7 @@
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#include "stdinc.h"
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#include "class.h" /* report_classes */
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#include "client.h" /* Client */
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#include "common.h" /* TRUE/FALSE */
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#include "common.h"
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#include "match.h"
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#include "ircd.h" /* me */
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#include "listener.h" /* show_ports */
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@ -81,9 +81,8 @@ static int stats_spy(struct Client *, char, const char *);
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static void stats_p_spy(struct Client *);
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/* Heres our struct for the stats table */
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struct StatsStruct
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struct stats_cmd
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{
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char letter;
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void (*handler) (struct Client *source_p);
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int need_oper;
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int need_admin;
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@ -127,63 +126,66 @@ static void stats_comm(struct Client *);
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static void stats_capability(struct Client *);
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/* This table contains the possible stats items, in order:
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* stats letter, function to call, operonly? adminonly?
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* case only matters in the stats letter column.. -- fl_
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* stats letter, function to call, operonly? adminonly? --fl_
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*
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* Previously in this table letters were a column. I fixed it to use modern
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* C initalisers so we don't have to iterate anymore.
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* --Elizafox
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*/
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static struct StatsStruct stats_cmd_table[] = {
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static struct stats_cmd stats_cmd_table[255] = {
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/* letter function need_oper need_admin */
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{'a', stats_dns_servers, 1, 1, },
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{'A', stats_dns_servers, 1, 1, },
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{'b', stats_delay, 1, 1, },
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{'B', stats_hash, 1, 1, },
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{'c', stats_connect, 0, 0, },
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{'C', stats_capability, 1, 0, },
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{'d', stats_tdeny, 1, 0, },
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{'D', stats_deny, 1, 0, },
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{'e', stats_exempt, 1, 0, },
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{'E', stats_events, 1, 1, },
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{'f', stats_comm, 1, 1, },
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{'F', stats_comm, 1, 1, },
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{'g', stats_prop_klines, 1, 0, },
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{'h', stats_hubleaf, 0, 0, },
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{'H', stats_hubleaf, 0, 0, },
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{'i', stats_auth, 0, 0, },
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{'I', stats_auth, 0, 0, },
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{'k', stats_tklines, 0, 0, },
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{'K', stats_klines, 0, 0, },
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{'l', NULL /* special */, 0, 0, },
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{'L', NULL /* special */, 0, 0, },
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{'m', stats_messages, 0, 0, },
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{'M', stats_messages, 0, 0, },
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{'n', stats_dnsbl, 0, 0, },
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{'o', stats_oper, 0, 0, },
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{'O', stats_privset, 1, 0, },
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{'p', stats_operedup, 0, 0, },
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{'P', stats_ports, 0, 0, },
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{'q', stats_tresv, 1, 0, },
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{'Q', stats_resv, 1, 0, },
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{'r', stats_usage, 1, 0, },
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{'R', stats_usage, 1, 0, },
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{'s', stats_ssld, 1, 1, },
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{'S', stats_ssld, 1, 1, },
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{'t', stats_tstats, 1, 0, },
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{'T', stats_tstats, 1, 0, },
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{'u', stats_uptime, 0, 0, },
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{'U', stats_shared, 1, 0, },
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{'v', stats_servers, 0, 0, },
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{'V', stats_servers, 0, 0, },
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{'x', stats_tgecos, 1, 0, },
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{'X', stats_gecos, 1, 0, },
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{'y', stats_class, 0, 0, },
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{'Y', stats_class, 0, 0, },
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{'z', stats_memory, 1, 0, },
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{'Z', stats_ziplinks, 1, 0, },
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{'?', stats_servlinks, 0, 0, },
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{(char) 0, (void (*)()) 0, 0, 0, }
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['a'] = { stats_dns_servers, 1, 1, },
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['A'] = { stats_dns_servers, 1, 1, },
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['b'] = { stats_delay, 1, 1, },
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['B'] = { stats_hash, 1, 1, },
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['c'] = { stats_connect, 0, 0, },
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['C'] = { stats_capability, 1, 0, },
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['d'] = { stats_tdeny, 1, 0, },
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['D'] = { stats_deny, 1, 0, },
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['e'] = { stats_exempt, 1, 0, },
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['E'] = { stats_events, 1, 1, },
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['f'] = { stats_comm, 1, 1, },
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['F'] = { stats_comm, 1, 1, },
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['g'] = { stats_prop_klines, 1, 0, },
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['h'] = { stats_hubleaf, 0, 0, },
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['H'] = { stats_hubleaf, 0, 0, },
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['i'] = { stats_auth, 0, 0, },
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['I'] = { stats_auth, 0, 0, },
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['k'] = { stats_tklines, 0, 0, },
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['K'] = { stats_klines, 0, 0, },
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['l'] = { NULL /* special */, 0, 0, },
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['L'] = { NULL /* special */, 0, 0, },
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['m'] = { stats_messages, 0, 0, },
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['M'] = { stats_messages, 0, 0, },
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['n'] = { stats_dnsbl, 0, 0, },
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['o'] = { stats_oper, 0, 0, },
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['O'] = { stats_privset, 1, 0, },
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['p'] = { stats_operedup, 0, 0, },
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['P'] = { stats_ports, 0, 0, },
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['q'] = { stats_tresv, 1, 0, },
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['Q'] = { stats_resv, 1, 0, },
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['r'] = { stats_usage, 1, 0, },
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['R'] = { stats_usage, 1, 0, },
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['s'] = { stats_ssld, 1, 1, },
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['S'] = { stats_ssld, 1, 1, },
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['t'] = { stats_tstats, 1, 0, },
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['T'] = { stats_tstats, 1, 0, },
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['u'] = { stats_uptime, 0, 0, },
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['U'] = { stats_shared, 1, 0, },
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['v'] = { stats_servers, 0, 0, },
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['V'] = { stats_servers, 0, 0, },
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['x'] = { stats_tgecos, 1, 0, },
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['X'] = { stats_gecos, 1, 0, },
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['y'] = { stats_class, 0, 0, },
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['Y'] = { stats_class, 0, 0, },
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['z'] = { stats_memory, 1, 0, },
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['Z'] = { stats_ziplinks, 1, 0, },
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['?'] = { stats_servlinks, 0, 0, },
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};
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/*
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* m_stats by fl_
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* Modified heavily by Elizafox
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* parv[1] = stat letter/command
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* parv[2] = (if present) server/mask in stats L, or target
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*
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@ -195,6 +197,7 @@ m_stats(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_
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{
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static time_t last_used = 0;
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int i;
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struct stats_cmd *cmd;
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char statchar;
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int did_stats = 0;
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@ -220,39 +223,42 @@ m_stats(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_
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return 0;
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if((statchar != 'L') && (statchar != 'l'))
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{
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did_stats = stats_spy(source_p, statchar, NULL);
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}
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else
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{
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/* Blah, stats L needs the parameters, none of the others do.. */
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stats_ltrace (source_p, parc, parv);
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goto stats_out;
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}
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/* if did_stats is true, a module grabbed this STATS request */
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if(did_stats)
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goto stats_out;
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for (i = 0; stats_cmd_table[i].letter; i++)
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{
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if(stats_cmd_table[i].letter == statchar)
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/* Look up */
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cmd = &stats_cmd_table[statchar];
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if(cmd->handler != NULL)
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{
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/* The stats table says what privs are needed, so check --fl_ */
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/* Called for remote clients and for local opers, so check need_admin
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* and need_oper
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*/
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if(stats_cmd_table[i].need_oper && !IsOper(source_p))
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{
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sendto_one_numeric(source_p, ERR_NOPRIVILEGES,
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form_str (ERR_NOPRIVILEGES));
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break;
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}
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if(stats_cmd_table[i].need_admin && !IsOperAdmin(source_p))
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if(cmd->need_admin && !IsOperAdmin(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS),
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me.name, source_p->name, "admin");
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break;
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goto stats_out;
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}
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if(cmd->need_oper && !IsOper(source_p))
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{
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sendto_one_numeric(source_p, ERR_NOPRIVILEGES,
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form_str (ERR_NOPRIVILEGES));
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goto stats_out;
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}
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/* Blah, stats L needs the parameters, none of the others do.. */
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if(statchar == 'L' || statchar == 'l')
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stats_ltrace (source_p, parc, parv);
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else
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stats_cmd_table[i].handler (source_p);
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}
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cmd->handler(source_p);
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}
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stats_out:
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