mirror of
https://git.code.sf.net/p/quake/quakeforge
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4cef9792f4
They take a pointer to a free-list used for hashlinks so the hashlink pools can be per-thread. However, hash tables that are not updated are always thread-safe, so this affects only updates. progs_t has been set up such that it is easy for multiple progs within one thread can share hashlinks.
169 lines
3.3 KiB
C
169 lines
3.3 KiB
C
/*
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bi_cmd.c
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Command api for ruamoko
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Copyright (C) 2002 Bill Currie
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Author: Bill Currie
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Date: 2002/4/12
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/cmd.h"
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#include "QF/hash.h"
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#include "QF/progs.h"
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#include "QF/sys.h"
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#include "rua_internal.h"
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typedef struct bi_cmd_s {
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struct bi_cmd_s *next;
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char *name;
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progs_t *pr;
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func_t func;
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} bi_cmd_t;
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typedef struct {
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bi_cmd_t *cmds;
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} cmd_resources_t;
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static hashtab_t *bi_cmds;
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static const char *
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bi_cmd_get_key (const void *c, void *unused)
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{
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return ((bi_cmd_t *)c)->name;
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}
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static void
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bi_cmd_free (void *_c, void *unused)
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{
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bi_cmd_t *c = (bi_cmd_t *) _c;
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free (c->name);
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free (c);
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}
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static void
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bi_cmd_f (void)
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{
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bi_cmd_t *cmd = Hash_Find (bi_cmds, Cmd_Argv (0));
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if (!cmd)
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Sys_Error ("bi_cmd_f: unexpected call %s", Cmd_Argv (0));
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PR_ExecuteProgram (cmd->pr, cmd->func);
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}
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static void
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bi_Cmd_AddCommand (progs_t *pr)
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{
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cmd_resources_t *res = PR_Resources_Find (pr, "Cmd");
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bi_cmd_t *cmd = malloc (sizeof (bi_cmd_t));
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char *name = strdup (P_GSTRING (pr, 0));
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func_t func = P_FUNCTION (pr, 1);
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if (!cmd || !name || !Cmd_AddCommand (name, bi_cmd_f, "CSQC command")) {
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if (name)
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free (name);
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if (cmd)
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free (cmd);
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R_INT (pr) = 0;
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return;
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}
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cmd->name = name;
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cmd->func = func;
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cmd->pr = pr;
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Hash_Add (bi_cmds, cmd);
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cmd->next = res->cmds;
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res->cmds = cmd;
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R_INT (pr) = 1;
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}
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static void
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bi_cmd_clear (progs_t *pr, void *data)
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{
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cmd_resources_t *res = (cmd_resources_t *)data;
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bi_cmd_t *cmd;
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while ((cmd = res->cmds)) {
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Cmd_RemoveCommand (cmd->name);
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Hash_Del (bi_cmds, cmd->name);
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res->cmds = cmd->next;
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bi_cmd_free (cmd, 0);
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}
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}
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static void
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bi_Cmd_Argc (progs_t *pr)
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{
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R_INT (pr) = Cmd_Argc ();
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}
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static void
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bi_Cmd_Argv (progs_t *pr)
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{
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RETURN_STRING (pr, Cmd_Argv (P_INT (pr, 0)));
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}
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static void
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bi_Cmd_Args (progs_t *pr)
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{
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RETURN_STRING (pr, Cmd_Args (P_INT (pr, 0)));
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}
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//Cmd_TokenizeString
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//Cmd_ExecuteString
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//Cmd_ForwardToServer
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static builtin_t builtins[] = {
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{"Cmd_AddCommand", bi_Cmd_AddCommand, -1},
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{"Cmd_Argc", bi_Cmd_Argc, -1},
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{"Cmd_Argv", bi_Cmd_Argv, -1},
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{"Cmd_Args", bi_Cmd_Args, -1},
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{0}
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};
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void
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RUA_Cmd_Init (progs_t *pr, int secure)
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{
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cmd_resources_t *res = calloc (1, sizeof (cmd_resources_t));
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res->cmds = 0;
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PR_Resources_Register (pr, "Cmd", res, bi_cmd_clear);
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if (!bi_cmds)
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bi_cmds = Hash_NewTable (1021, bi_cmd_get_key, bi_cmd_free, 0,
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pr->hashlink_freelist);
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PR_RegisterBuiltins (pr, builtins);
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}
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