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cmd.c
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/*
Copyright (C) 1996-1997 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
$Id: cmd.c,v 1.92 2007-10-28 02:45:19 qqshka Exp $
*/
#ifndef _WIN32
#include <strings.h>
#endif
#include "quakedef.h"
#ifdef WITH_TCL
#include "embed_tcl.h"
#endif
#include "gl_model.h"
#include "gl_local.h"
#include "teamplay.h"
#include "rulesets.h"
#include "tp_triggers.h"
#include "parser.h"
#include "utils.h"
#include "keys.h"
qbool CL_CheckServerCommand (void);
static void Cmd_ExecuteStringEx (cbuf_t *context, char *text);
static int gtf = 0; // global trigger flag
cvar_t cl_warncmd = {"cl_warncmd", "1"};
cvar_t cl_warnexec = {"cl_warnexec", "1"};
cvar_t cl_curlybraces = {"cl_curlybraces", "0"};
cbuf_t cbuf_main;
cbuf_t cbuf_svc;
cbuf_t cbuf_safe, cbuf_formatted_comms;
char *hud262_load_buff = NULL;
cbuf_t *cbuf_current = NULL;
#ifdef WITH_DP_MEM
static mempool_t *cmd_mempool;
#endif
//=============================================================================
//Causes execution of the remainder of the command buffer to be delayed until next frame.
//This allows commands like: bind g "impulse 5 ; +attack ; wait ; -attack ; impulse 2"
void Cmd_Wait_f (void)
{
#ifdef WITH_TCL
if (in_tcl) {
Com_Printf ("command wait cant be used with TCL\n");
return;
}
#endif
if (cbuf_current)
cbuf_current->wait = true;
return;
}
void Hud262_CatchStringsOnLoad(char *line)
{
char *tmpbuff;
if (Utils_RegExpMatch("^((\\s+)?(?i)hud262_(add|alpha|bg|blink|disable|enable|position|width))", line))
{
if (hud262_load_buff == NULL)
{
hud262_load_buff = (char*) Q_malloc( (strlen(line) + 2) * sizeof(char));
snprintf(hud262_load_buff, strlen(line) + 2, "%s\n", line);
}
else
{
tmpbuff = (char *) Q_malloc(strlen(hud262_load_buff) + 1);
strcpy(tmpbuff, hud262_load_buff);
hud262_load_buff = (char *) Q_realloc(hud262_load_buff, (strlen(tmpbuff) + strlen(line) + 2) * sizeof(char));
snprintf(hud262_load_buff, strlen(tmpbuff) + strlen(line) + 2, "%s%s\n", tmpbuff, line);
Q_free(tmpbuff);
}
}
}
/*
=============================================================================
COMMAND BUFFER
=============================================================================
*/
void Cbuf_AddText (const char *text)
{
Cbuf_AddTextEx (&cbuf_main, text);
}
void Cbuf_InsertText (const char *text)
{
Cbuf_InsertTextEx (&cbuf_main, text);
}
void Cbuf_Execute (void)
{
Cbuf_ExecuteEx (&cbuf_main);
Cbuf_ExecuteEx (&cbuf_safe);
Cbuf_ExecuteEx (&cbuf_formatted_comms);
}
//fuh : ideally we should have 'cbuf_t *Cbuf_Register(int maxsize, int flags, qbool (*blockcmd)(void))
//fuh : so that cbuf_svc and cbuf_safe can be registered outside cmd.c in cl_* .c
//fuh : flags can be used to deal with newline termination etc for cbuf_svc, and *blockcmd can be used for blocking cmd's for cbuf_svc
//fuh : this way cmd.c would be independant of '#ifdef CLIENTONLY's'.
//fuh : I'll take care of that one day.
static void Cbuf_Register (cbuf_t *cbuf, int maxsize)
{
assert (!host_initialized);
cbuf->maxsize = maxsize;
cbuf->text_buf = (char *) Hunk_Alloc(maxsize);
cbuf->text_start = cbuf->text_end = (cbuf->maxsize >> 1);
cbuf->wait = false;
}
void Cbuf_Init (void)
{
Cbuf_Register (&cbuf_main, 1 << 18); // 256kb
Cbuf_Register (&cbuf_svc, 1 << 13); // 8kb
Cbuf_Register (&cbuf_safe, 1 << 11); // 2kb
Cbuf_Register (&cbuf_formatted_comms, 1 << 11); // 2kb
}
//Adds command text at the end of the buffer
void Cbuf_AddTextEx (cbuf_t *cbuf, const char *text)
{
int new_start, new_bufsize;
size_t len;
len = strlen (text);
if (cbuf->text_end + len <= cbuf->maxsize) {
memcpy (cbuf->text_buf + cbuf->text_end, text, len);
cbuf->text_end += len;
return;
}
new_bufsize = cbuf->text_end-cbuf->text_start+len;
if (new_bufsize > cbuf->maxsize) {
Com_Printf ("Cbuf_AddText: overflow\n");
return;
}
// Calculate optimal position of text in buffer
new_start = ((cbuf->maxsize - new_bufsize) >> 1);
memcpy (cbuf->text_buf + new_start, cbuf->text_buf + cbuf->text_start, cbuf->text_end-cbuf->text_start);
memcpy (cbuf->text_buf + new_start + cbuf->text_end-cbuf->text_start, text, len);
cbuf->text_start = new_start;
cbuf->text_end = cbuf->text_start + new_bufsize;
}
//Adds command text at the beginning of the buffer
void Cbuf_InsertTextEx (cbuf_t *cbuf, const char *text)
{
int new_start, new_bufsize;
size_t len;
len = strlen (text);
if (len <= cbuf->text_start) {
memcpy (cbuf->text_buf + (cbuf->text_start - len), text, len);
cbuf->text_start -= len;
return;
}
new_bufsize = cbuf->text_end - cbuf->text_start + len;
if (new_bufsize > cbuf->maxsize) {
Com_Printf ("Cbuf_InsertText: overflow\n");
return;
}
// Calculate optimal position of text in buffer
new_start = ((cbuf->maxsize - new_bufsize) >> 1);
memmove (cbuf->text_buf + (new_start + len), cbuf->text_buf + cbuf->text_start, cbuf->text_end - cbuf->text_start);
memcpy (cbuf->text_buf + new_start, text, len);
cbuf->text_start = new_start;
cbuf->text_end = cbuf->text_start + new_bufsize;
}
#define MAX_RUNAWAYLOOP 1000
void Cbuf_ExecuteEx (cbuf_t *cbuf)
{
int i, j, cursize, nextsize;
char *text, line[1024], *src, *dest;
qbool comment;
int quotes;
if (cbuf == &cbuf_safe)
gtf++;
nextsize = cbuf->text_end - cbuf->text_start;
while (cbuf->text_end > cbuf->text_start)
{
// find a \n or ; line break
text = (char *) cbuf->text_buf + cbuf->text_start;
cursize = cbuf->text_end - cbuf->text_start;
comment = false;
quotes = 0;
for (i = 0; i < cursize; i++)
{
if (cl_curlybraces.integer)
{
if (text[i] == '\\')
{
if (i + 1 < cursize && text[i+1] == '\n')
{ // escaped endline
text[i] = text[i+1] = '\r'; // '\r' removed later during copying
i++;
continue;
}
else if (i + 2 < cursize && text[i+1] == '\r' && text[i+2] == '\n')
{ // escaped dos endline
text[i] = text[i+2] = '\r';
i+=2;
continue;
}
}
}
if (text[i] == '\n')
break;
if (text[i] == '"' && quotes <= 0)
{
if (!quotes)
quotes = -1;
else
quotes = 0;
}
else if (quotes >= 0)
{
if (cl_curlybraces.integer)
{
if (text[i] == '{')
quotes++;
else if (text[i] == '}')
quotes--;
}
}
if (comment || quotes)
continue;
if (text[i] == '/' && i + 1 < cursize && text[i + 1] == '/')
comment = true;
else if (text[i] == ';' && !quotes)
break;
}
if ((cursize - i) < nextsize) // have we reached the next command?
nextsize = cursize - i;
// don't execute lines without ending \n; this fixes problems with
// partially stuffed aliases not being executed properly
if (cbuf_current == &cbuf_svc && i == cursize)
break;
// Copy text to line, skipping carriage return chars
src = text;
dest = line;
j = min (i, sizeof (line) - 1);
for ( ; j; j--, src++)
{
if (*src != '\r')
*dest++ = *src;
}
*dest = 0;
// delete the text from the command buffer and move remaining commands down This is necessary
// because commands (exec, alias) can insert data at the beginning of the text buffer
if (i == cursize)
{
cbuf->text_start = cbuf->text_end = (cbuf->maxsize >> 1);
}
else
{
i++;
cbuf->text_start += i;
}
cursize = cbuf->text_end - cbuf->text_start;
// TODO: make it in a more right way
// since, hud262_add can not correctly create hud elements during normal start
// (some cvars are not created/initialized at the time when we want to use them in hud262)
// we should save these commands to buffer and execute it when all
// cvars will be created
if(!host_initialized)
Hud262_CatchStringsOnLoad(line);
Cmd_ExecuteStringEx (cbuf, line); // execute the command line
if (cbuf->text_end - cbuf->text_start > cursize)
cbuf->runAwayLoop++;
if (cbuf->runAwayLoop > MAX_RUNAWAYLOOP)
{
Com_Printf("\x02" "A recursive alias has caused an infinite loop.");
Com_Printf("\x02" " Clearing execution buffer to prevent lockup.\n");
cbuf->text_start = cbuf->text_end = (cbuf->maxsize >> 1);
cbuf->runAwayLoop = 0;
}
if (cbuf->wait)
{
// skip out while text still remains in buffer, leaving it for next frame
cbuf->wait = false;
cbuf->runAwayLoop += Q_rint (0.5 * cls.frametime * MAX_RUNAWAYLOOP);
if (cbuf == &cbuf_safe)
gtf--;
return;
}
}
if (cbuf == &cbuf_safe)
gtf--;
cbuf->runAwayLoop = 0;
return;
}
/*
==============================================================================
SCRIPT COMMANDS
==============================================================================
*/
/*
Set commands are added early, so they are guaranteed to be set before
the client and server initialize for the first time.
Other commands are added late, after all initialization is complete.
*/
void Cbuf_AddEarlyCommands (void)
{
int i;
for (i = 0; i < COM_Argc () - 2; i++) {
if (strcasecmp (COM_Argv(i), "+set"))
continue;
Cbuf_AddText (va ("set %s %s\n", COM_Argv (i + 1), COM_Argv (i + 2)));
i += 2;
}
}
qbool Cmd_IsAllowedStuffCmdsCommand(const char *str)
{
char* banned_list[] = {"set ", "cfg_load ", NULL};
char** banned_cmd = banned_list;
while(*banned_cmd)
{
if(strncasecmp(str, *banned_cmd, strlen(*banned_cmd)) == 0)
{
//+set is processed in Cbuf_AddEarlyCommands(), +cfg_load allowed only once in Host_Init()
if((strncasecmp(str, "set ", 4) != 0) && (strncasecmp(str, "cfg_load ", 9) != 0))
{
Com_Printf("+%s is not allowed in cmdline or obsolete.\n", *banned_cmd);
}
return false;
}
banned_cmd++;
}
return true;
}
/*
Adds command line parameters as script statements
Commands lead with a +, and continue until a - or another +
quake +prog jctest.qp +cmd amlev1
quake -nosound +cmd amlev1
*/
void Cmd_StuffCmds_f (void)
{
int k, len = 0;
char *s, *text, *token;
// build the combined string to parse from
for (k = 1; k < COM_Argc(); k++)
len += strlen (COM_Argv(k)) + 1;
if (!len)
return;
text = (char *) Z_Malloc (len + 1);
text[0] = '\0';
for (k = 1; k < COM_Argc(); k++) {
strlcat (text, COM_Argv(k), len + 1);
if (k != COM_Argc() - 1)
strlcat (text, " ", len + 1);
}
// pull out the commands
token = (char *) Z_Malloc (len + 1);
s = text;
while (*s) {
if (*s == '+') {
k = 0;
for (s = s + 1; s[0] && (s[0] != ' ' || (s[1] != '-' && s[1] != '+')); s++)
token[k++] = s[0];
token[k++] = '\n';
token[k] = 0;
if(Cmd_IsAllowedStuffCmdsCommand(token))
Cbuf_AddText (token);
} else if (*s == '-') {
for (s = s + 1; s[0] && s[0] != ' '; s++)
;
} else {
s++;
}
}
Z_Free (text);
Z_Free (token);
}
void Cmd_Exec_f (void)
{
char *f, name[MAX_OSPATH];
int mark;
if (Cmd_Argc () != 2) {
Com_Printf ("exec <filename> : execute a script file\n");
return;
}
strlcpy (name, Cmd_Argv(1), sizeof(name) - 4);
mark = Hunk_LowMark();
if (!(f = (char *) FS_LoadHunkFile (name, NULL))) {
const char *p;
p = COM_SkipPath (name);
if (!strchr (p, '.')) {
// no extension, so try the default (.cfg)
strlcat (name, ".cfg", sizeof (name));
f = (char *) FS_LoadHunkFile (name, NULL);
}
if (!f) {
Com_Printf ("couldn't exec %s\n", Cmd_Argv(1));
return;
}
}
if (cl_warnexec.integer || developer.integer) {
Com_Printf("execing %s/%s\n", FS_Locate_GetPath(name), name);
}
if (cbuf_current == &cbuf_svc) {
Cbuf_AddTextEx (&cbuf_main, f);
Cbuf_AddTextEx (&cbuf_main, "\n");
} else
{
Cbuf_InsertText ("\n");
Cbuf_InsertText (f);
}
Hunk_FreeToLowMark (mark);
}
//Just prints the rest of the line to the console
/*void Cmd_Echo_f (void) {
int i;
for (i = 1; i < Cmd_Argc(); i++)
Com_Printf ("%s ", Cmd_Argv(i));
Com_Printf ("\n");
}*/
void Cmd_Echo_f (void)
{
int i;
char *str;
char args[MAX_MACRO_STRING];
char buf[MAX_MACRO_STRING];
memset (args, 0, MAX_MACRO_STRING);
snprintf (args, MAX_MACRO_STRING, "%s", Cmd_Argv(1));
for (i = 2; i < Cmd_Argc(); i++) {
strlcat (args, " ", MAX_MACRO_STRING);
strlcat (args, Cmd_Argv(i), MAX_MACRO_STRING);
}
// str = TP_ParseMacroString(args);
str = TP_ParseMacroString(args);
str = TP_ParseFunChars(str, false);
strlcpy (buf, str, MAX_MACRO_STRING);
CL_SearchForReTriggers (buf, RE_PRINT_ECHO); // BorisU
Print_flags[Print_current] |= PR_TR_SKIP;
Com_Printf ("%s\n", buf);
}
/*
=============================================================================
ALIASES
=============================================================================
*/
#define ALIAS_HASHPOOL_SIZE 256
cmd_alias_t *cmd_alias_hash[ALIAS_HASHPOOL_SIZE];
cmd_alias_t *cmd_alias;
cmd_alias_t *Cmd_FindAlias (const char *name)
{
int key;
cmd_alias_t *alias;
key = Com_HashKey (name) % ALIAS_HASHPOOL_SIZE;
for (alias = cmd_alias_hash[key]; alias; alias = alias->hash_next) {
if (!strcasecmp(name, alias->name))
return alias;
}
return NULL;
}
char *Cmd_AliasString (char *name)
{
int key;
cmd_alias_t *alias;
key = Com_HashKey (name) % ALIAS_HASHPOOL_SIZE;
for (alias = cmd_alias_hash[key]; alias; alias = alias->hash_next) {
if (!strcasecmp(name, alias->name))
#ifdef WITH_TCL
if (!(alias->flags & ALIAS_TCL))
#endif
return alias->value;
}
return NULL;
}
void Cmd_Viewalias_f (void)
{
cmd_alias_t *alias;
char *name;
int i,m;
if (Cmd_Argc() < 2) {
Com_Printf ("viewalias <cvar> [<cvar2>..] : view body of alias\n");
return;
}
for (i=1; i<Cmd_Argc(); i++) {
name = Cmd_Argv(i);
if ( IsRegexp(name) ) {
if (!ReSearchInit(name))
return;
Com_Printf ("Current alias commands:\n");
for (alias = cmd_alias, i=m=0; alias ; alias=alias->next, i++)
if (ReSearchMatch(alias->name)) {
#ifdef WITH_TCL
if (alias->flags & ALIAS_TCL)
Com_Printf ("%s : Tcl procedure\n", alias->name);
else
#endif
Com_Printf ("%s : %s\n", alias->name, alias->value);
m++;
}
Com_Printf ("------------\n%i/%i aliases\n", m, i);
ReSearchDone();
} else {
if ((alias = Cmd_FindAlias(name)))
#ifdef WITH_TCL
if (alias->flags & ALIAS_TCL)
Com_Printf ("%s : Tcl procedure\n", name);
else
#endif
Com_Printf ("%s : \"%s\"\n", Cmd_Argv(i), alias->value);
else
Com_Printf ("No such alias: %s\n", Cmd_Argv(i));
}
}
}
int Cmd_AliasCompare (const void *p1, const void *p2)
{
cmd_alias_t *a1, *a2;
a1 = *((cmd_alias_t **) p1);
a2 = *((cmd_alias_t **) p2);
if (a1->name[0] == '+') {
if (a2->name[0] == '+')
return strcasecmp(a1->name + 1, a2->name + 1);
else
return -1;
} else if (a1->name[0] == '-') {
if (a2->name[0] == '+')
return 1;
else if (a2->name[0] == '-')
return strcasecmp(a1->name + 1, a2->name + 1);
else
return -1;
} else if (a2->name[0] == '+' || a2->name[0] == '-') {
return 1;
} else {
return strcasecmp(a1->name, a2->name);
}
}
void Cmd_AliasList_f (void)
{
cmd_alias_t *a;
int i, c, m = 0;
static int count;
static cmd_alias_t *sorted_aliases[4096];
#define MAX_SORTED_ALIASES (sizeof(sorted_aliases) / sizeof(sorted_aliases[0]))
for (a = cmd_alias, count = 0; a && count < MAX_SORTED_ALIASES; a = a->next, count++)
sorted_aliases[count] = a;
qsort(sorted_aliases, count, sizeof (cmd_alias_t *), Cmd_AliasCompare);
if (count == MAX_SORTED_ALIASES)
assert(!"count == MAX_SORTED_ALIASES");
c = Cmd_Argc();
if (c>1)
if (!ReSearchInit(Cmd_Argv(1)))
return;
Com_Printf ("List of aliases:\n");
for (i = 0; i < count; i++) {
a = sorted_aliases[i];
if (c==1 || ReSearchMatch(a->name)) {
Com_Printf ("\x02%s :", sorted_aliases[i]->name);
Com_Printf (" %s\n", sorted_aliases[i]->value);
m++;
}
}
if (c>1)
ReSearchDone();
Com_Printf ("------------\n%i/%i aliases\n", m, count);
}
void Cmd_EditAlias_f (void)
{
cmd_alias_t *a;
char *s, final_string[MAXCMDLINE - 1];
int c;
c = Cmd_Argc();
if (c == 1) {
Com_Printf ("%s <name> : modify an alias\n", Cmd_Argv(0));
Com_Printf ("aliaslist : list all aliases\n");
return;
}
a = Cmd_FindAlias(Cmd_Argv(1));
if ( a == NULL ) {
s = Z_Strdup ("");
} else {
s = Z_Strdup(a->value);
}
snprintf(final_string, sizeof(final_string), "/alias \"%s\" \"%s\"", Cmd_Argv(1), s);
Key_ClearTyping();
memcpy (key_lines[edit_line]+1, str2wcs(final_string), strlen(final_string)*sizeof(wchar));
Z_Free(s);
}
static cmd_alias_t* Cmd_AliasCreate (char* name)
{
cmd_alias_t *a;
int key;
key = Com_HashKey(name) % ALIAS_HASHPOOL_SIZE;
a = (cmd_alias_t *) Z_Malloc (sizeof(cmd_alias_t));
a->next = cmd_alias;
cmd_alias = a;
a->hash_next = cmd_alias_hash[key];
cmd_alias_hash[key] = a;
strlcpy (a->name, name, sizeof (a->name));
return a;
}
//Creates a new command that executes a command string (possibly ; separated)
void Cmd_Alias_f (void)
{
cmd_alias_t *a;
char *s;
int c, key;
c = Cmd_Argc();
if (c == 1) {
Com_Printf ("%s <name> <command> : create or modify an alias\n", Cmd_Argv(0));
Com_Printf ("aliaslist : list all aliases\n");
return;
}
s = Cmd_Argv(1);
if (strlen(s) >= MAX_ALIAS_NAME) {
Com_Printf ("Alias name is too long\n");
return;
}
key = Com_HashKey(s) % ALIAS_HASHPOOL_SIZE;
// if the alias already exists, reuse it
for (a = cmd_alias_hash[key]; a; a = a->hash_next) {
if (!strcasecmp(a->name, s)) {
Z_Free (a->value);
break;
}
}
if (!a) {
a = (cmd_alias_t *) Z_Malloc (sizeof(cmd_alias_t));
a->next = cmd_alias;
cmd_alias = a;
a->hash_next = cmd_alias_hash[key];
cmd_alias_hash[key] = a;
}
strlcpy (a->name, s, sizeof (a->name));
a->flags = 0;
// QW262 -->
s=Cmd_MakeArgs(2);
while (*s) {
if (*s == '%' && ( s[1]>='0' || s[1]<='9')) {
a->flags |= ALIAS_HAS_PARAMETERS;
break;
}
++s;
}
// <-- QW262
if (cbuf_current == &cbuf_svc)
a->flags |= ALIAS_SERVER;
if (!strcasecmp(Cmd_Argv(0), "tempalias"))
a->flags |= ALIAS_TEMP;
// copy the rest of the command line
a->value = Z_Strdup (Cmd_MakeArgs(2));
}
qbool Cmd_DeleteAlias (char *name)
{
cmd_alias_t *a, *prev;
int key;
key = Com_HashKey (name) % ALIAS_HASHPOOL_SIZE;
prev = NULL;
for (a = cmd_alias_hash[key]; a; a = a->hash_next) {
if (!strcasecmp(a->name, name)) {
// unlink from hash
if (prev)
prev->hash_next = a->hash_next;
else
cmd_alias_hash[key] = a->hash_next;
break;
}
prev = a;
}
if (!a)
return false; // not found
prev = NULL;
for (a = cmd_alias; a; a = a->next) {
if (!strcasecmp(a->name, name)) {
// unlink from alias list
if (prev)
prev->next = a->next;
else
cmd_alias = a->next;
// free
Z_Free (a->value);
Z_Free (a);
return true;
}
prev = a;
}
assert(!"Cmd_DeleteAlias: alias list broken");
return false; // shut up compiler
}
void Cmd_UnAlias (qbool use_regex)
{
int i;
char *name;
cmd_alias_t *a, *next;
qbool re_search = false;
if (Cmd_Argc() < 2) {
Com_Printf ("unalias <cvar> [<cvar2>..]: erase an existing alias\n");
return;
}
for (i=1; i<Cmd_Argc(); i++) {
name = Cmd_Argv(i);
if (use_regex && (re_search = IsRegexp(name)))
if(!ReSearchInit(name))
continue;
if (strlen(name) >= MAX_ALIAS_NAME) {
Com_Printf ("Alias name is too long: \"%s\"\n", Cmd_Argv(i));
continue;
}
if (use_regex && re_search) {
for (a = cmd_alias; a; a = next) {
next = a->next;
if (ReSearchMatch(a->name))
Cmd_DeleteAlias(a->name);
}
} else {
if (!Cmd_DeleteAlias(Cmd_Argv(i)))
Com_Printf ("unalias: unknown alias \"%s\"\n", Cmd_Argv(i));
}
if (use_regex && re_search)
ReSearchDone();
}
}
void Cmd_UnAlias_f (void)
{
Cmd_UnAlias(false);
}
void Cmd_UnAlias_re_f (void)
{
Cmd_UnAlias(true);
}
// remove all aliases
void Cmd_UnAliasAll_f (void)
{
cmd_alias_t *a, *next;
for (a = cmd_alias; a ; a = next) {
next = a->next;
Z_Free (a->value);
Z_Free (a);
}
cmd_alias = NULL;
// clear hash
memset (cmd_alias_hash, 0, sizeof(cmd_alias_t*) * ALIAS_HASHPOOL_SIZE);
}
void DeleteServerAliases(void)
{
cmd_alias_t *a, *next;
for (a = cmd_alias; a; a = next) {
next = a->next;
if (a->flags & ALIAS_SERVER)
Cmd_DeleteAlias (a->name);
}
}
/*
=============================================================================
LEGACY COMMANDS
=============================================================================
*/
typedef struct legacycmd_s
{
char *oldname, *newname;
struct legacycmd_s *next;
} legacycmd_t;
static legacycmd_t *legacycmds = NULL;
void Cmd_AddLegacyCommand (char *oldname, char *newname)
{
legacycmd_t *cmd;
cmd = (legacycmd_t *) Z_Malloc (sizeof(legacycmd_t));
cmd->next = legacycmds;
legacycmds = cmd;
cmd->oldname = oldname;
cmd->newname = newname;
}
qbool Cmd_IsLegacyCommand (char *oldname)
{
legacycmd_t *cmd;
for (cmd = legacycmds; cmd; cmd = cmd->next) {
if (!strcasecmp(cmd->oldname, oldname))
return true;
}
return false;
}
static qbool Cmd_LegacyCommand (void)
{
static qbool recursive = false;
legacycmd_t *cmd;
char text[1024];
for (cmd = legacycmds; cmd; cmd = cmd->next) {
if (!strcasecmp(cmd->oldname, Cmd_Argv(0)))
break;
}
if (!cmd)
return false;
if (!cmd->newname[0])
return true; // just ignore this command
// build new command string
strlcpy (text, cmd->newname, sizeof(text));
strlcat (text, " ", sizeof(text));
strlcat (text, Cmd_Args(), sizeof(text));
assert (!recursive);
recursive = true;
Cmd_ExecuteString (text);
recursive = false;
return true;
}
/*
=============================================================================
COMMAND EXECUTION
=============================================================================
*/
#define CMD_HASHPOOL_SIZE 512
cmd_function_t *cmd_hash_array[CMD_HASHPOOL_SIZE];
/*static*/ cmd_function_t *cmd_functions; // possible commands to execute
static tokenizecontext_t cmd_tokenizecontext;
static char *cmd_null_string = "";
int Cmd_ArgcEx (tokenizecontext_t *ctx)
{
return ctx->cmd_argc;
}
char *Cmd_ArgvEx (tokenizecontext_t *ctx, int arg)
{
if (arg >= ctx->cmd_argc || arg < 0)
return cmd_null_string;
return ctx->cmd_argv[arg];
}
// Returns a single string containing argv(1) to argv(argc() - 1)
char *Cmd_ArgsEx (tokenizecontext_t *ctx)
{