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pippijn |
1.1 |
/* |
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* Copyright © 2005-2007 William Pitcock, et al. |
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pippijn |
1.2 |
* The rights to this code are as documented under doc/pod/license.pod. |
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pippijn |
1.1 |
* |
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* Copyright © 2003-2007 Lee Hardy <leeh@leeh.co.uk> |
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* Copyright © 2003-2007 ircd-ratbox development team |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* 1.Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* 2.Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3.The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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* ALIS, based on the ratbox-services implementation. |
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* |
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pippijn |
1.2 |
* $Id: ircd_alis.C,v 1.1 2007-07-19 08:24:53 pippijn Exp $ |
| 35 |
pippijn |
1.1 |
*/ |
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#include "atheme.h" |
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pippijn |
1.2 |
DECLARE_MODULE_V1 ("alis", false, _modinit, _moddeinit, "$Revision: 1.1 $", "William Pitcock <nenolod -at- nenolod.net>"); |
| 40 |
pippijn |
1.1 |
|
| 41 |
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#define ALIS_MAX_PARC 10 |
| 42 |
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#define ALIS_MAX_MATCH 60 |
| 43 |
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| 44 |
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#define DIR_UNSET 0 |
| 45 |
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#define DIR_SET 1 |
| 46 |
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#define DIR_EQUAL 2 |
| 47 |
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| 48 |
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service_t *alis; |
| 49 |
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cmdvec alis_cmdtree; |
| 50 |
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| 51 |
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static void alis_cmd_list (sourceinfo_t *si, int parc, char *parv[]); |
| 52 |
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static void alis_cmd_help (sourceinfo_t *si, int parc, char *parv[]); |
| 53 |
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static void alis_handler (sourceinfo_t *si, int parc, char *parv[]); |
| 54 |
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command_t alis_list = { "LIST", "Lists channels matching given parameters.", |
| 56 |
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AC_NONE, ALIS_MAX_PARC, alis_cmd_list |
| 57 |
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}; |
| 58 |
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command_t alis_help = { "HELP", "Displays contextual help information.", |
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AC_NONE, 1, alis_cmd_help |
| 60 |
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}; |
| 61 |
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struct alis_query |
| 63 |
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{ |
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char const *mask; |
| 65 |
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char *topic; |
| 66 |
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int min; |
| 67 |
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int max; |
| 68 |
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int show_mode; |
| 69 |
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int show_topicwho; |
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unsigned int mode; |
| 71 |
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int mode_dir; |
| 72 |
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int mode_key; |
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int mode_limit; |
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int skip; |
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}; |
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void |
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_modinit (module_t *m) |
| 79 |
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{ |
| 80 |
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alis = add_service ("ALIS", "alis", me.name, "Channel Directory", alis_handler, alis_cmdtree); |
| 81 |
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| 82 |
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&alis_cmdtree << alis_list; |
| 83 |
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&alis_cmdtree << alis_help; |
| 84 |
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} |
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| 86 |
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void |
| 87 |
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_moddeinit () |
| 88 |
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{ |
| 89 |
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&alis_cmdtree >> alis_list; |
| 90 |
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&alis_cmdtree >> alis_help; |
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| 92 |
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del_service (alis); |
| 93 |
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} |
| 94 |
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static int |
| 96 |
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alis_parse_mode (const char *text, int *key, int *limit) |
| 97 |
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{ |
| 98 |
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int mode = 0; |
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| 100 |
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if (!text) |
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return 0; |
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| 103 |
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while (*text) |
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{ |
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switch (*text) |
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{ |
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case 'l': |
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*limit = 1; |
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break; |
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case 'k': |
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*key = 1; |
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break; |
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default: |
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mode |= mode_to_flag (*text); |
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break; |
| 116 |
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} |
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| 118 |
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text++; |
| 119 |
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} |
| 120 |
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| 121 |
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return mode; |
| 122 |
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} |
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| 124 |
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static int |
| 125 |
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parse_alis (sourceinfo_t *si, int parc, char *parv[], struct alis_query *query) |
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{ |
| 127 |
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int i = 0; |
| 128 |
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char *opt = NULL, *arg = NULL; |
| 129 |
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| 130 |
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while ((opt = parv[i++])) |
| 131 |
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{ |
| 132 |
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if (!strcasecmp (opt, "-min")) |
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{ |
| 134 |
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if ((arg = parv[i++]) == NULL || (query->min = atoi (arg)) < 1) |
| 135 |
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{ |
| 136 |
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command_fail (si, fault_badparams, "Invalid -min option"); |
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return 0; |
| 138 |
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} |
| 139 |
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} |
| 140 |
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else if (!strcasecmp (opt, "-max")) |
| 141 |
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{ |
| 142 |
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if ((arg = parv[i++]) == NULL || (query->max = atoi (arg)) < 1) |
| 143 |
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{ |
| 144 |
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command_fail (si, fault_badparams, "Invalid -max option"); |
| 145 |
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return 0; |
| 146 |
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} |
| 147 |
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} |
| 148 |
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else if (!strcasecmp (opt, "-skip")) |
| 149 |
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{ |
| 150 |
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if ((arg = parv[i++]) == NULL || (query->skip = atoi (arg)) < 1) |
| 151 |
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{ |
| 152 |
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command_fail (si, fault_badparams, "Invalid -skip option"); |
| 153 |
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return 0; |
| 154 |
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} |
| 155 |
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} |
| 156 |
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else if (!strcasecmp (opt, "-topic")) |
| 157 |
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{ |
| 158 |
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query->topic = strtok (NULL, " "); |
| 159 |
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} |
| 160 |
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else if (!strcasecmp (opt, "-show")) |
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{ |
| 162 |
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arg = parv[i++]; |
| 163 |
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| 164 |
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if (arg == NULL) |
| 165 |
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{ |
| 166 |
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command_fail (si, fault_badparams, "Invalid -show option"); |
| 167 |
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return 0; |
| 168 |
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} |
| 169 |
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| 170 |
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if (arg[0] == 'm') |
| 171 |
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{ |
| 172 |
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query->show_mode = 1; |
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| 174 |
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if (arg[1] == 't') |
| 175 |
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query->show_topicwho = 1; |
| 176 |
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} |
| 177 |
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else if (arg[0] == 't') |
| 178 |
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{ |
| 179 |
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query->show_topicwho = 1; |
| 180 |
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| 181 |
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if (arg[1] == 'm') |
| 182 |
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query->show_mode = 1; |
| 183 |
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} |
| 184 |
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} |
| 185 |
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else if (!strcasecmp (opt, "-mode")) |
| 186 |
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{ |
| 187 |
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arg = parv[i++]; |
| 188 |
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| 189 |
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if (arg == NULL) |
| 190 |
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{ |
| 191 |
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command_fail (si, fault_badparams, "Invalid -mode option"); |
| 192 |
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return 0; |
| 193 |
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} |
| 194 |
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| 195 |
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switch (*arg) |
| 196 |
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{ |
| 197 |
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case '+': |
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query->mode_dir = DIR_SET; |
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break; |
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case '-': |
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query->mode_dir = DIR_UNSET; |
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break; |
| 203 |
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case '=': |
| 204 |
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query->mode_dir = DIR_EQUAL; |
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break; |
| 206 |
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default: |
| 207 |
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command_fail (si, fault_badparams, "Invalid -mode option"); |
| 208 |
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return 0; |
| 209 |
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} |
| 210 |
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| 211 |
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query->mode = alis_parse_mode (arg + 1, &query->mode_key, &query->mode_limit); |
| 212 |
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| 213 |
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if (query->mode == 0) |
| 214 |
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{ |
| 215 |
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command_fail (si, fault_badparams, "Invalid -mode option"); |
| 216 |
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return 0; |
| 217 |
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} |
| 218 |
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} |
| 219 |
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else |
| 220 |
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{ |
| 221 |
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command_fail (si, fault_badparams, "Invalid option %s", opt); |
| 222 |
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return 0; |
| 223 |
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} |
| 224 |
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} |
| 225 |
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| 226 |
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return 1; |
| 227 |
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} |
| 228 |
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| 229 |
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static void |
| 230 |
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print_channel (sourceinfo_t *si, channel_t *c, struct alis_query *query) |
| 231 |
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{ |
| 232 |
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int show_topicwho = query->show_topicwho; |
| 233 |
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int show_topic = 1; |
| 234 |
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char modestr[MAXEXTMODES + 60]; |
| 235 |
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int i, j; |
| 236 |
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| 237 |
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/* cant show a topicwho, when a channel has no topic. */ |
| 238 |
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if (!c->topic) |
| 239 |
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{ |
| 240 |
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show_topicwho = 0; |
| 241 |
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show_topic = 0; |
| 242 |
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} |
| 243 |
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if (query->show_mode) |
| 244 |
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{ |
| 245 |
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j = 0; |
| 246 |
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modestr[j++] = '+'; |
| 247 |
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for (i = 0; i < MAXEXTMODES; i++) |
| 248 |
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if (c->extmodes[i] != NULL) |
| 249 |
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modestr[j++] = ignore_mode_list[i].mode; |
| 250 |
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if (c->limit != 0) |
| 251 |
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modestr[j++] = 'l'; |
| 252 |
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if (c->key != NULL) |
| 253 |
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modestr[j++] = 'k'; |
| 254 |
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modestr[j] = '\0'; |
| 255 |
|
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strlcat (modestr, flags_to_string (c->modes), sizeof modestr); |
| 256 |
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} |
| 257 |
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| 258 |
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if (query->show_mode && show_topicwho && show_topic) |
| 259 |
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command_success_nodata (si, "%-50s %-8s %3ld :%s (%s)", c->name, modestr, LIST_LENGTH (&c->members), c->topic, c->topic_setter); |
| 260 |
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else if (query->show_mode) |
| 261 |
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command_success_nodata (si, "%-50s %-8s %3ld :%s", c->name, modestr, LIST_LENGTH (&c->members), c->topic); |
| 262 |
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else if (show_topicwho && show_topic) |
| 263 |
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command_success_nodata (si, "%-50s %3ld :%s (%s)", c->name, LIST_LENGTH (&c->members), c->topic, c->topic_setter); |
| 264 |
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else if (show_topic) |
| 265 |
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command_success_nodata (si, "%-50s %3ld :%s", c->name, LIST_LENGTH (&c->members), c->topic); |
| 266 |
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else |
| 267 |
|
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command_success_nodata (si, "%-50s %3ld", c->name, LIST_LENGTH (&c->members)); |
| 268 |
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} |
| 269 |
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| 270 |
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static int |
| 271 |
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show_channel (channel_t *c, struct alis_query *query) |
| 272 |
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{ |
| 273 |
|
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/* skip +s channels */ |
| 274 |
|
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if (c->modes & CMODE_SEC) |
| 275 |
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return 0; |
| 276 |
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|
| 277 |
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if ((int) LIST_LENGTH (&c->members) < query->min || (query->max && (int) LIST_LENGTH (&c->members) > query->max)) |
| 278 |
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return 0; |
| 279 |
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| 280 |
|
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if (query->mode) |
| 281 |
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{ |
| 282 |
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if (query->mode_dir == DIR_SET) |
| 283 |
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{ |
| 284 |
|
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if (((c->modes & query->mode) == 0) || (query->mode_key && c->key[0] == '\0') || (query->mode_limit && !c->limit)) |
| 285 |
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return 0; |
| 286 |
|
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} |
| 287 |
|
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else if (query->mode_dir == DIR_UNSET) |
| 288 |
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{ |
| 289 |
|
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if ((c->modes & query->mode) || (query->mode_key && c->key[0] != '\0') || (query->mode_limit && c->limit)) |
| 290 |
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return 0; |
| 291 |
|
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} |
| 292 |
|
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else if (query->mode_dir == DIR_EQUAL) |
| 293 |
|
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{ |
| 294 |
|
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if ((c->modes != query->mode) || (query->mode_key && c->key[0] == '\0') || (query->mode_limit && !c->limit)) |
| 295 |
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return 0; |
| 296 |
|
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} |
| 297 |
|
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} |
| 298 |
|
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|
| 299 |
|
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if (match (query->mask, c->name)) |
| 300 |
|
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return 0; |
| 301 |
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|
| 302 |
|
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if (query->topic != NULL && match (query->topic, c->topic)) |
| 303 |
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return 0; |
| 304 |
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|
| 305 |
|
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if (query->skip) |
| 306 |
|
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{ |
| 307 |
|
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query->skip--; |
| 308 |
|
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return 0; |
| 309 |
|
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} |
| 310 |
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|
| 311 |
|
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return 1; |
| 312 |
|
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} |
| 313 |
|
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|
| 314 |
|
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static void |
| 315 |
|
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alis_cmd_list (sourceinfo_t *si, int parc, char *parv[]) |
| 316 |
|
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{ |
| 317 |
|
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channel_t *c; |
| 318 |
|
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struct alis_query query; |
| 319 |
|
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dictionary_iteration_state_t state; |
| 320 |
|
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int maxmatch = ALIS_MAX_MATCH; |
| 321 |
|
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| 322 |
|
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memset (&query, 0, sizeof (struct alis_query)); |
| 323 |
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|
| 324 |
|
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query.mask = parc >= 1 ? parv[0] : "*"; |
| 325 |
|
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if (!parse_alis (si, parc - 1, parv + 1, &query)) |
| 326 |
|
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return; |
| 327 |
|
|
|
| 328 |
|
|
logcommand (si, CMDLOG_GET, "LIST %s", query.mask); |
| 329 |
|
|
|
| 330 |
|
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command_success_nodata (si, "Returning maximum of %d channel names matching '\2%s\2'", ALIS_MAX_MATCH, query.mask); |
| 331 |
|
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|
| 332 |
|
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/* hunting for one channel.. */ |
| 333 |
|
|
if (strchr (query.mask, '*') == NULL && strchr (query.mask, '?') == NULL) |
| 334 |
|
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{ |
| 335 |
|
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if ((c = channel_find (query.mask)) != NULL) |
| 336 |
|
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{ |
| 337 |
|
|
if (!(c->modes & CMODE_SEC)) |
| 338 |
|
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print_channel (si, c, &query); |
| 339 |
|
|
} |
| 340 |
|
|
|
| 341 |
|
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command_success_nodata (si, "End of output"); |
| 342 |
|
|
return; |
| 343 |
|
|
} |
| 344 |
|
|
|
| 345 |
|
|
DICTIONARY_FOREACH (c, channel_t, &state, chanlist) |
| 346 |
|
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{ |
| 347 |
|
|
/* matches, so show it */ |
| 348 |
|
|
if (show_channel (c, &query)) |
| 349 |
|
|
{ |
| 350 |
|
|
print_channel (si, c, &query); |
| 351 |
|
|
|
| 352 |
|
|
if (--maxmatch == 0) |
| 353 |
|
|
{ |
| 354 |
|
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command_success_nodata (si, "Maximum channel output reached"); |
| 355 |
|
|
break; |
| 356 |
|
|
} |
| 357 |
|
|
} |
| 358 |
|
|
} |
| 359 |
|
|
|
| 360 |
|
|
command_success_nodata (si, "End of output"); |
| 361 |
|
|
return; |
| 362 |
|
|
} |
| 363 |
|
|
|
| 364 |
|
|
static void |
| 365 |
|
|
alis_cmd_help (sourceinfo_t *si, int parc, char *parv[]) |
| 366 |
|
|
{ |
| 367 |
|
|
command_help (si, &alis_cmdtree); |
| 368 |
|
|
} |
| 369 |
|
|
|
| 370 |
|
|
static void |
| 371 |
|
|
alis_handler (sourceinfo_t *si, int parc, char *parv[]) |
| 372 |
|
|
{ |
| 373 |
|
|
char orig[BUFSIZE]; |
| 374 |
|
|
char *cmd; |
| 375 |
|
|
char *text; |
| 376 |
|
|
|
| 377 |
|
|
/* this should never happen */ |
| 378 |
|
|
if (parv[0][0] == '&') |
| 379 |
|
|
{ |
| 380 |
|
|
slog (LG_ERROR, "services(): got parv with local channel: %s", parv[0]); |
| 381 |
|
|
return; |
| 382 |
|
|
} |
| 383 |
|
|
|
| 384 |
|
|
/* make a copy of the original for debugging */ |
| 385 |
|
|
strlcpy (orig, parv[parc - 1], BUFSIZE); |
| 386 |
|
|
|
| 387 |
|
|
/* lets go through this to get the command */ |
| 388 |
|
|
cmd = strtok (parv[parc - 1], " "); |
| 389 |
|
|
text = strtok (NULL, ""); |
| 390 |
|
|
|
| 391 |
|
|
if (!cmd) |
| 392 |
|
|
return; |
| 393 |
|
|
if (*cmd == '\001') |
| 394 |
|
|
{ |
| 395 |
|
|
handle_ctcp_common (si, cmd, text); |
| 396 |
|
|
return; |
| 397 |
|
|
} |
| 398 |
|
|
|
| 399 |
|
|
/* take the command through the hash table */ |
| 400 |
|
|
command_exec_split (alis, si, cmd, text, &alis_cmdtree); |
| 401 |
|
|
} |