quakeforge/libs/ruamoko/rua_cmd.c
Bill Currie 340127fff2 [ruamoko] Plug yet more memory leaks
Some of them, especially in rua_obj, were quite legitimate and even a
problem for thread-safety (rua_cmd is currently not thread-safe, but it
needs a lock, which I don't feel like doing at this stage).
2023-03-05 18:31:30 +09:00

186 lines
3.7 KiB
C

/*
bi_cmd.c
Command api for ruamoko
Copyright (C) 2002 Bill Currie
Author: Bill Currie
Date: 2002/4/12
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include "QF/cmd.h"
#include "QF/hash.h"
#include "QF/progs.h"
#include "QF/sys.h"
#include "rua_internal.h"
typedef struct bi_cmd_s {
struct bi_cmd_s *next;
char *name;
progs_t *pr;
pr_func_t func;
} bi_cmd_t;
typedef struct {
bi_cmd_t *cmds;
} cmd_resources_t;
static hashtab_t *bi_cmds;
static hashctx_t *bi_cmd_hashctx;
static int bi_cmds_refs;
static const char *
bi_cmd_get_key (const void *c, void *unused)
{
return ((bi_cmd_t *)c)->name;
}
static void
bi_cmd_free (void *_c, void *unused)
{
bi_cmd_t *c = (bi_cmd_t *) _c;
free (c->name);
free (c);
}
static void
bi_cmd_f (void)
{
bi_cmd_t *cmd = Hash_Find (bi_cmds, Cmd_Argv (0));
if (!cmd)
Sys_Error ("bi_cmd_f: unexpected call %s", Cmd_Argv (0));
PR_ExecuteProgram (cmd->pr, cmd->func);
}
static void
bi_Cmd_AddCommand (progs_t *pr, void *_res)
{
__auto_type res = (cmd_resources_t *) _res;
bi_cmd_t *cmd = malloc (sizeof (bi_cmd_t));
char *name = strdup (P_GSTRING (pr, 0));
pr_func_t func = P_FUNCTION (pr, 1);
if (!cmd || !name || !Cmd_AddCommand (name, bi_cmd_f, "CSQC command")) {
if (name)
free (name);
if (cmd)
free (cmd);
R_INT (pr) = 0;
return;
}
cmd->name = name;
cmd->func = func;
cmd->pr = pr;
Hash_Add (bi_cmds, cmd);
cmd->next = res->cmds;
res->cmds = cmd;
R_INT (pr) = 1;
}
static void
bi_cmd_clear (progs_t *pr, void *data)
{
cmd_resources_t *res = (cmd_resources_t *)data;
bi_cmd_t *cmd;
while ((cmd = res->cmds)) {
Cmd_RemoveCommand (cmd->name);
Hash_Del (bi_cmds, cmd->name);
res->cmds = cmd->next;
bi_cmd_free (cmd, 0);
}
}
static void
bi_cmd_destroy (progs_t *pr, void *data)
{
if (!--bi_cmds_refs) {
Hash_DelTable (bi_cmds);
Hash_DelContext (bi_cmd_hashctx);
}
free (data);
}
static void
bi_Cmd_Argc (progs_t *pr, void *data)
{
R_INT (pr) = Cmd_Argc ();
}
static void
bi_Cmd_Argv (progs_t *pr, void *data)
{
RETURN_STRING (pr, Cmd_Argv (P_INT (pr, 0)));
}
static void
bi_Cmd_Args (progs_t *pr, void *data)
{
RETURN_STRING (pr, Cmd_Args (P_INT (pr, 0)));
}
//Cmd_TokenizeString
//Cmd_ExecuteString
//Cmd_ForwardToServer
#define bi(x,np,params...) {#x, bi_##x, -1, np, {params}}
#define p(type) PR_PARAM(type)
static builtin_t builtins[] = {
bi(Cmd_AddCommand, 2, p(string), p(func)),
bi(Cmd_Argc, 0),
bi(Cmd_Argv, 1, p(int)),
bi(Cmd_Args, 1, p(int)),
{0}
};
void
RUA_Cmd_Init (progs_t *pr, int secure)
{
cmd_resources_t *res = calloc (1, sizeof (cmd_resources_t));
res->cmds = 0;
if (!bi_cmds) {
//FIXME not thread-safe
bi_cmds = Hash_NewTable (1021, bi_cmd_get_key, bi_cmd_free, 0,
&bi_cmd_hashctx);
}
bi_cmds_refs++;
PR_Resources_Register (pr, "Cmd", res, bi_cmd_clear, bi_cmd_destroy);
PR_RegisterBuiltins (pr, builtins, res);
}