]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - cmd.c
add a newline at the end of each exec'd config file
[xonotic/darkplaces.git] / cmd.c
diff --git a/cmd.c b/cmd.c
index d2b0b115531d382e90ee2782b0d9143c7ff53baf..a911fb346fd6de24a57f7af1912593cffa637ce3 100644 (file)
--- a/cmd.c
+++ b/cmd.c
@@ -22,6 +22,13 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "quakedef.h"
 
 #define        MAX_ALIAS_NAME  32
+// this is the largest script file that can be executed in one step
+// LordHavoc: inreased this from 8192 to 32768
+#define CMDBUFSIZE 32768
+// maximum number of parameters to a command
+#define        MAX_ARGS 80
+// maximum tokenizable commandline length (counting NUL terminations)
+#define CMD_TOKENIZELENGTH (MAX_INPUTLINE + 80)
 
 typedef struct cmdalias_s
 {
@@ -36,7 +43,6 @@ static qboolean cmd_wait;
 
 static mempool_t *cmd_mempool;
 
-#define CMD_TOKENIZELENGTH 4096
 static char cmd_tokenizebuffer[CMD_TOKENIZELENGTH];
 static int cmd_tokenizebufferpos = 0;
 
@@ -65,18 +71,7 @@ static void Cmd_Wait_f (void)
 */
 
 static sizebuf_t       cmd_text;
-
-/*
-============
-Cbuf_Init
-============
-*/
-void Cbuf_Init (void)
-{
-       // LordHavoc: inreased this from 8192 to 32768
-       SZ_Alloc (&cmd_text, 32768, "command buffer"); // space for commands and script files
-}
-
+static unsigned char           cmd_text_buf[CMDBUFSIZE];
 
 /*
 ============
@@ -89,15 +84,15 @@ void Cbuf_AddText (const char *text)
 {
        int             l;
 
-       l = strlen (text);
+       l = (int)strlen (text);
 
        if (cmd_text.cursize + l >= cmd_text.maxsize)
        {
-               Con_Print("Cbuf_AddText: overflow\n");
+               Con_Print("Cbuf_AddText: overflow\n");
                return;
        }
 
-       SZ_Write (&cmd_text, text, strlen (text));
+       SZ_Write (&cmd_text, (const unsigned char *)text, (int)strlen (text));
 }
 
 
@@ -115,25 +110,25 @@ void Cbuf_InsertText (const char *text)
        char    *temp;
        int             templen;
 
-// copy off any commands still remaining in the exec buffer
+       // copy off any commands still remaining in the exec buffer
        templen = cmd_text.cursize;
        if (templen)
        {
-               temp = Z_Malloc (templen);
+               temp = (char *)Mem_Alloc (tempmempool, templen);
                memcpy (temp, cmd_text.data, templen);
                SZ_Clear (&cmd_text);
        }
        else
-               temp = NULL;    // shut up compiler
+               temp = NULL;
 
-// add the entire text of the file
+       // add the entire text of the file
        Cbuf_AddText (text);
 
-// add the copied off data
-       if (templen)
+       // add the copied off data
+       if (temp != NULL)
        {
-               SZ_Write (&cmd_text, temp, templen);
-               Z_Free (temp);
+               SZ_Write (&cmd_text, (const unsigned char *)temp, templen);
+               Mem_Free (temp);
        }
 }
 
@@ -142,11 +137,13 @@ void Cbuf_InsertText (const char *text)
 Cbuf_Execute
 ============
 */
+static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias );
 void Cbuf_Execute (void)
 {
        int i;
        char *text;
-       char line[1024];
+       char line[MAX_INPUTLINE];
+       char preprocessed[MAX_INPUTLINE];
        int quotes;
 
        // LordHavoc: making sure the tokenizebuffer doesn't get filled up by repeated crashes
@@ -161,10 +158,10 @@ void Cbuf_Execute (void)
                for (i=0 ; i< cmd_text.cursize ; i++)
                {
                        if (text[i] == '"')
-                               quotes++;
-                       if ( !(quotes&1) &&  text[i] == ';')
+                               quotes ^= 1;
+                       if ( !quotes &&  text[i] == ';')
                                break;  // don't break if inside a quoted string
-                       if (text[i] == '\n')
+                       if (text[i] == '\r' || text[i] == '\n')
                                break;
                }
 
@@ -181,11 +178,12 @@ void Cbuf_Execute (void)
                {
                        i++;
                        cmd_text.cursize -= i;
-                       memcpy (text, text+i, cmd_text.cursize);
+                       memcpy (cmd_text.data, text+i, cmd_text.cursize);
                }
 
 // execute the command line
-               Cmd_ExecuteString (line, src_command);
+               Cmd_PreprocessString( line, preprocessed, sizeof(preprocessed), NULL );
+               Cmd_ExecuteString (preprocessed, src_command);
 
                if (cmd_wait)
                {       // skip out while text still remains in buffer, leaving it
@@ -214,68 +212,49 @@ quake +prog jctest.qp +cmd amlev1
 quake -nosound +cmd amlev1
 ===============
 */
+qboolean host_stuffcmdsrun = false;
 void Cmd_StuffCmds_f (void)
 {
-       int             i, j;
-       int             s;
-       char    *text, *build, c;
+       int             i, j, l;
+       // this is per command, and bounds checked (no buffer overflows)
+       char    build[MAX_INPUTLINE];
 
        if (Cmd_Argc () != 1)
        {
-               Con_Print("stuffcmds : execute command line parameters\n");
+               Con_Print("stuffcmds : execute command line parameters\n");
                return;
        }
 
-// build the combined string to parse from
-       s = 0;
-       for (i=1 ; i<com_argc ; i++)
-       {
-               if (!com_argv[i])
-                       continue;               // NEXTSTEP nulls out -NXHost
-               s += strlen (com_argv[i]) + 1;
-       }
-       if (!s)
-               return;
-
-       text = Z_Malloc (s+1);
-       text[0] = 0;
-       for (i=1 ; i<com_argc ; i++)
+       host_stuffcmdsrun = true;
+       for (i = 0;i < com_argc;i++)
        {
-               if (!com_argv[i])
-                       continue;               // NEXTSTEP nulls out -NXHost
-               strcat (text,com_argv[i]);
-               if (i != com_argc-1)
-                       strcat (text, " ");
-       }
-
-// pull out the commands
-       build = Z_Malloc (s+1);
-       build[0] = 0;
-
-       for (i=0 ; i<s-1 ; i++)
-       {
-               if (text[i] == '+')
+               if (com_argv[i] && com_argv[i][0] == '+' && (com_argv[i][1] < '0' || com_argv[i][1] > '9'))
                {
+                       l = 0;
+                       j = 1;
+                       while (com_argv[i][j])
+                               build[l++] = com_argv[i][j++];
                        i++;
-
-                       for (j=i ; (text[j] != '+') && (text[j] != '-') && (text[j] != 0) ; j++)
-                               ;
-
-                       c = text[j];
-                       text[j] = 0;
-
-                       strcat (build, text+i);
-                       strcat (build, "\n");
-                       text[j] = c;
-                       i = j-1;
+                       for (;i < com_argc;i++)
+                       {
+                               if (!com_argv[i])
+                                       continue;
+                               if ((com_argv[i][0] == '+' || com_argv[i][0] == '-') && (com_argv[i][1] < '0' || com_argv[i][1] > '9'))
+                                       break;
+                               if (l + strlen(com_argv[i]) + 5 > sizeof(build))
+                                       break;
+                               build[l++] = ' ';
+                               build[l++] = '\"';
+                               for (j = 0;com_argv[i][j];j++)
+                                       build[l++] = com_argv[i][j];
+                               build[l++] = '\"';
+                       }
+                       build[l++] = '\n';
+                       build[l++] = 0;
+                       Cbuf_InsertText (build);
+                       i--;
                }
        }
-
-       if (build[0])
-               Cbuf_InsertText (build);
-
-       Z_Free (text);
-       Z_Free (build);
 }
 
 
@@ -290,18 +269,27 @@ static void Cmd_Exec_f (void)
 
        if (Cmd_Argc () != 2)
        {
-               Con_Print("exec <filename> : execute a script file\n");
+               Con_Print("exec <filename> : execute a script file\n");
                return;
        }
 
-       f = (char *)FS_LoadFile (Cmd_Argv(1), false);
+       f = (char *)FS_LoadFile (Cmd_Argv(1), tempmempool, false, NULL);
        if (!f)
        {
-               Con_Printf ("couldn't exec %s\n",Cmd_Argv(1));
+               Con_Printf("couldn't exec %s\n",Cmd_Argv(1));
                return;
        }
-       Con_DPrintf ("execing %s\n",Cmd_Argv(1));
+       Con_DPrintf("execing %s\n",Cmd_Argv(1));
 
+       // if executing default.cfg for the first time, lock the cvar defaults
+       // it may seem backwards to insert this text BEFORE the default.cfg
+       // but Cbuf_InsertText inserts before, so this actually ends up after it.
+       if (!strcmp(Cmd_Argv(1), "default.cfg"))
+               Cbuf_InsertText("\ncvar_lockdefaults\n");
+
+       // insert newline after the text to make sure the last line is terminated (some text editors omit the trailing newline)
+       // (note: insertion order here is backwards from execution order, so this adds it after the text, by calling it before...)
+       Cbuf_InsertText ("\n");
        Cbuf_InsertText (f);
        Mem_Free(f);
 }
@@ -319,45 +307,117 @@ static void Cmd_Echo_f (void)
        int             i;
 
        for (i=1 ; i<Cmd_Argc() ; i++)
-               Con_Printf ("%s ",Cmd_Argv(i));
-       Con_Print("\n");
+               Con_Printf("%s ",Cmd_Argv(i));
+       Con_Print("\n");
 }
 
+// DRESK - 5/14/06
+// Support Doom3-style Toggle Console Command
 /*
 ===============
-Cmd_Alias_f
+Cmd_Toggle_f
 
-Creates a new command that executes a command string (possibly ; seperated)
+Toggles a specified console variable amongst the values specified (default is 0 and 1)
 ===============
 */
-static char *CopyString (char *in)
+static void Cmd_Toggle_f(void)
 {
-       char *out;
+       // Acquire Number of Arguments
+       int nNumArgs = Cmd_Argc();
+
+       if(nNumArgs == 1)
+               // No Arguments Specified; Print Usage
+               Con_Print("Toggle Console Variable - Usage\n  toggle <variable> - toggles between 0 and 1\n  toggle <variable> <value> - toggles between 0 and <value>\n  toggle <variable> [string 1] [string 2]...[string n] - cycles through all strings\n");
+       else
+       { // Correct Arguments Specified
+               // Acquire Potential CVar
+               cvar_t* cvCVar = Cvar_FindVar( Cmd_Argv(1) );
+
+               if(cvCVar != NULL)
+               { // Valid CVar
+                       if(nNumArgs == 2)
+                       { // Default Usage
+                               if(cvCVar->integer)
+                                       Cvar_SetValueQuick(cvCVar, 0);
+                               else
+                                       Cvar_SetValueQuick(cvCVar, 1);
+                       }
+                       else
+                       if(nNumArgs == 3)
+                       { // 0 and Specified Usage
+                               if(cvCVar->integer == atoi(Cmd_Argv(2) ) )
+                                       // CVar is Specified Value; // Reset to 0
+                                       Cvar_SetValueQuick(cvCVar, 0);
+                               else
+                               if(cvCVar->integer == 0)
+                                       // CVar is 0; Specify Value
+                                       Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
+                               else
+                                       // CVar does not match; Reset to 0
+                                       Cvar_SetValueQuick(cvCVar, 0);
+                       }
+                       else
+                       { // Variable Values Specified
+                               int nCnt;
+                               int bFound = 0;
+
+                               for(nCnt = 2; nCnt < nNumArgs; nCnt++)
+                               { // Cycle through Values
+                                       if( strcmp(cvCVar->string, Cmd_Argv(nCnt) ) == 0)
+                                       { // Current Value Located; Increment to Next
+                                               if( (nCnt + 1) == nNumArgs)
+                                                       // Max Value Reached; Reset
+                                                       Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
+                                               else
+                                                       // Next Value
+                                                       Cvar_SetQuick(cvCVar, Cmd_Argv(nCnt + 1) );
+
+                                               // End Loop
+                                               nCnt = nNumArgs;
+                                               // Assign Found
+                                               bFound = 1;
+                                       }
+                               }
+                               if(!bFound)
+                                       // Value not Found; Reset to Original
+                                       Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
+                       }
 
-       out = Z_Malloc (strlen(in)+1);
-       strcpy (out, in);
-       return out;
+               }
+               else
+               { // Invalid CVar
+                       Con_Printf("ERROR : CVar '%s' not found\n", Cmd_Argv(2) );
+               }
+       }
 }
 
+/*
+===============
+Cmd_Alias_f
+
+Creates a new command that executes a command string (possibly ; seperated)
+===============
+*/
 static void Cmd_Alias_f (void)
 {
        cmdalias_t      *a;
-       char            cmd[1024];
+       char            cmd[MAX_INPUTLINE];
        int                     i, c;
        const char              *s;
+       size_t          alloclen;
 
        if (Cmd_Argc() == 1)
        {
-               Con_Print("Current alias commands:\n");
+               Con_Print("Current alias commands:\n");
                for (a = cmd_alias ; a ; a=a->next)
-                       Con_Printf ("%s : %s\n", a->name, a->value);
+                       Con_Printf("%s : %s\n", a->name, a->value);
                return;
        }
 
        s = Cmd_Argv(1);
        if (strlen(s) >= MAX_ALIAS_NAME)
        {
-               Con_Print("Alias name is too long\n");
+               Con_Print("Alias name is too long\n");
                return;
        }
 
@@ -373,11 +433,21 @@ static void Cmd_Alias_f (void)
 
        if (!a)
        {
-               a = Z_Malloc (sizeof(cmdalias_t));
-               a->next = cmd_alias;
-               cmd_alias = a;
+               cmdalias_t *prev, *current;
+
+               a = (cmdalias_t *)Z_Malloc (sizeof(cmdalias_t));
+               strlcpy (a->name, s, sizeof (a->name));
+               // insert it at the right alphanumeric position
+               for( prev = NULL, current = cmd_alias ; current && strcmp( current->name, a->name ) < 0 ; prev = current, current = current->next )
+                       ;
+               if( prev ) {
+                       prev->next = a;
+               } else {
+                       cmd_alias = a;
+               }
+               a->next = current;
        }
-       strlcpy (a->name, s, sizeof (a->name));
+
 
 // copy the rest of the command line
        cmd[0] = 0;             // start out with a null string
@@ -390,7 +460,9 @@ static void Cmd_Alias_f (void)
        }
        strlcat (cmd, "\n", sizeof (cmd));
 
-       a->value = CopyString (cmd);
+       alloclen = strlen (cmd) + 1;
+       a->value = (char *)Z_Malloc (alloclen);
+       memcpy (a->value, cmd, alloclen);
 }
 
 /*
@@ -405,22 +477,128 @@ typedef struct cmd_function_s
 {
        struct cmd_function_s *next;
        const char *name;
+       const char *description;
        xcommand_t function;
+       qboolean csqcfunc;
 } cmd_function_t;
 
-
-#define        MAX_ARGS                80
-
 static int cmd_argc;
 static const char *cmd_argv[MAX_ARGS];
 static const char *cmd_null_string = "";
-static const char *cmd_args = NULL;
-
+static const char *cmd_args;
 cmd_source_t cmd_source;
 
 
 static cmd_function_t *cmd_functions;          // possible commands to execute
 
+/*
+Cmd_PreprocessString
+
+Preprocesses strings and replaces $*, $param#, $cvar accordingly
+*/
+static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias ) {
+       const char *in;
+       unsigned outlen;
+       int inquote;
+
+       // don't crash if there's no room in the outtext buffer
+       if( maxoutlen == 0 ) {
+               return;
+       }
+       maxoutlen--; // because of \0
+
+       in = intext;
+       outlen = 0;
+       inquote = 0;
+
+       while( *in && outlen < maxoutlen ) {
+               if( *in == '$' && !inquote ) {
+                       // this is some kind of expansion, see what comes after the $
+                       in++;
+                       // replacements that can always be used:
+                       // $$ is replaced with $, to allow escaping $
+                       // $<cvarname> is replaced with the contents of the cvar
+                       //
+                       // the following can be used in aliases only:
+                       // $* is replaced with all formal parameters (including name of the alias - this probably is not desirable)
+                       // $0 is replaced with the name of this alias
+                       // $<number> is replaced with an argument to this alias (or copied as-is if no such parameter exists), can be multiple digits
+                       if( *in == '$' ) {
+                               outtext[outlen++] = *in++;
+                       } else if( *in == '*' && alias ) {
+                               const char *linein = Cmd_Args();
+
+                               // include all parameters
+                               if (linein) {
+                                       while( *linein && outlen < maxoutlen ) {
+                                               outtext[outlen++] = *linein++;
+                                       }
+                               }
+
+                               in++;
+                       } else if( '0' <= *in && *in <= '9' && alias ) {
+                               char *nexttoken;
+                               int argnum;
+
+                               argnum = strtol( in, &nexttoken, 10 );
+
+                               if( 0 <= argnum && argnum < Cmd_Argc() ) {
+                                       const char *param = Cmd_Argv( argnum );
+                                       while( *param && outlen < maxoutlen ) {
+                                               outtext[outlen++] = *param++;
+                                       }
+                                       in = nexttoken;
+                               } else if( argnum >= Cmd_Argc() ) {
+                                       Con_Printf( "Warning: Not enough parameters passed to alias '%s', at least %i expected:\n    %s\n", alias->name, argnum, alias->value );
+                                       outtext[outlen++] = '$';
+                               }
+                       } else {
+                               cvar_t *cvar;
+                               const char *tempin = in;
+
+                               COM_ParseTokenConsole( &tempin );
+                               // don't expand rcon_password or similar cvars (CVAR_PRIVATE flag)
+                               if ((cvar = Cvar_FindVar(&com_token[0])) && !(cvar->flags & CVAR_PRIVATE)) {
+                                       const char *cvarcontent = cvar->string;
+                                       while( *cvarcontent && outlen < maxoutlen ) {
+                                               outtext[outlen++] = *cvarcontent++;
+                                       }
+                                       in = tempin;
+                               } else {
+                                       if( alias ) {
+                                               Con_Printf( "Warning: could not find cvar %s when expanding alias %s\n    %s\n", com_token, alias->name, alias->value );
+                                       } else {
+                                               Con_Printf( "Warning: could not find cvar %s\n", com_token );
+                                       }
+                                       outtext[outlen++] = '$';
+                               }
+                       }
+               } else {
+                       if( *in == '"' ) {
+                               inquote ^= 1;
+                       }
+                       outtext[outlen++] = *in++;
+               }
+       }
+       outtext[outlen] = 0;
+}
+
+/*
+============
+Cmd_ExecuteAlias
+
+Called for aliases and fills in the alias into the cbuffer
+============
+*/
+static void Cmd_ExecuteAlias (cmdalias_t *alias)
+{
+       static char buffer[ MAX_INPUTLINE + 2 ];
+       Cmd_PreprocessString( alias->value, buffer, sizeof(buffer) - 2, alias );
+       // insert at start of command buffer, so that aliases execute in order
+       // (fixes bug introduced by Black on 20050705)
+       Cbuf_InsertText( buffer );
+}
+
 /*
 ========
 Cmd_List
@@ -439,7 +617,7 @@ static void Cmd_List_f (void)
        if (Cmd_Argc() > 1)
        {
                partial = Cmd_Argv (1);
-               len = strlen(partial);
+               len = (int)strlen(partial);
        }
        else
        {
@@ -452,15 +630,14 @@ static void Cmd_List_f (void)
        {
                if (partial && strncmp(partial, cmd->name, len))
                        continue;
-               Con_Printf ("%s\n", cmd->name);
+               Con_Printf("%s : %s\n", cmd->name, cmd->description);
                count++;
        }
 
-       Con_Printf ("%i Command%s", count, (count > 1) ? "s" : "");
        if (partial)
-               Con_Printf(" beginning with \"%s\"", partial);
-
-       Con_Printf ("\n\n");
+               Con_Printf("%i Command%s beginning with \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
+       else
+               Con_Printf("%i Command%s\n\n", count, (count > 1) ? "s" : "");
 }
 
 /*
@@ -470,20 +647,50 @@ Cmd_Init
 */
 void Cmd_Init (void)
 {
-       cmd_mempool = Mem_AllocPool("commands");
+       cmd_mempool = Mem_AllocPool("commands", 0, NULL);
+       // space for commands and script files
+       cmd_text.data = cmd_text_buf;
+       cmd_text.maxsize = sizeof(cmd_text_buf);
+       cmd_text.cursize = 0;
+}
 
+void Cmd_Init_Commands (void)
+{
 //
 // register our commands
 //
-       Cmd_AddCommand ("stuffcmds",Cmd_StuffCmds_f);
-       Cmd_AddCommand ("exec",Cmd_Exec_f);
-       Cmd_AddCommand ("echo",Cmd_Echo_f);
-       Cmd_AddCommand ("alias",Cmd_Alias_f);
-       Cmd_AddCommand ("cmd", Cmd_ForwardToServer);
-       Cmd_AddCommand ("wait", Cmd_Wait_f);
-       Cmd_AddCommand ("cmdlist", Cmd_List_f);         // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
-       Cmd_AddCommand ("cvarlist", Cvar_List_f);       // 2000-01-09 CmdList, CvarList commands
-                                                                                               // By Matthias "Maddes" Buecher
+       Cmd_AddCommand ("stuffcmds",Cmd_StuffCmds_f, "execute commandline parameters (must be present in quake.rc script)");
+       Cmd_AddCommand ("exec",Cmd_Exec_f, "execute a script file");
+       Cmd_AddCommand ("echo",Cmd_Echo_f, "print a message to the console (useful in scripts)");
+       Cmd_AddCommand ("alias",Cmd_Alias_f, "create a script function (parameters are passed in as $1 through $9, and $* for all parameters)");
+       Cmd_AddCommand ("cmd", Cmd_ForwardToServer, "send a console commandline to the server (used by some mods)");
+       Cmd_AddCommand ("wait", Cmd_Wait_f, "make script execution wait for next rendered frame");
+       Cmd_AddCommand ("set", Cvar_Set_f, "create or change the value of a console variable");
+       Cmd_AddCommand ("seta", Cvar_SetA_f, "create or change the value of a console variable that will be saved to config.cfg");
+
+       // 2000-01-09 CmdList, CvarList commands By Matthias "Maddes" Buecher
+       // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
+       Cmd_AddCommand ("cmdlist", Cmd_List_f, "lists all console commands beginning with the specified prefix");
+       Cmd_AddCommand ("cvarlist", Cvar_List_f, "lists all console variables beginning with the specified prefix");
+
+       Cmd_AddCommand ("cvar_lockdefaults", Cvar_LockDefaults_f, "stores the current values of all cvars into their default values, only used once during startup after parsing default.cfg");
+       Cmd_AddCommand ("cvar_resettodefaults_all", Cvar_ResetToDefaults_All_f, "sets all cvars to their locked default values");
+       Cmd_AddCommand ("cvar_resettodefaults_nosaveonly", Cvar_ResetToDefaults_NoSaveOnly_f, "sets all non-saved cvars to their locked default values (variables that will not be saved to config.cfg)");
+       Cmd_AddCommand ("cvar_resettodefaults_saveonly", Cvar_ResetToDefaults_SaveOnly_f, "sets all saved cvars to their locked default values (variables that will be saved to config.cfg)");
+
+       // DRESK - 5/14/06
+       // Support Doom3-style Toggle Command
+       Cmd_AddCommand( "toggle", Cmd_Toggle_f, "toggles a console variable's values (use for more info)");
+}
+
+/*
+============
+Cmd_Shutdown
+============
+*/
+void Cmd_Shutdown(void)
+{
+       Mem_FreePool(&cmd_mempool);
 }
 
 /*
@@ -526,6 +733,7 @@ Cmd_TokenizeString
 Parses the given string into command line tokens.
 ============
 */
+// AK: This function should only be called from ExcuteString because the current design is a bit of an hack
 static void Cmd_TokenizeString (const char *text)
 {
        int l;
@@ -536,12 +744,18 @@ static void Cmd_TokenizeString (const char *text)
        while (1)
        {
                // skip whitespace up to a /n
-               while (*text && *text <= ' ' && *text != '\n')
+               while (*text && *text <= ' ' && *text != '\r' && *text != '\n')
                        text++;
 
-               if (*text == '\n')
+               // line endings:
+               // UNIX: \n
+               // Mac: \r
+               // Windows: \r\n
+               if (*text == '\n' || *text == '\r')
                {
-                       // a newline seperates commands in the buffer
+                       // a newline separates commands in the buffer
+                       if (*text == '\r' && text[1] == '\n')
+                               text++;
                        text++;
                        break;
                }
@@ -550,23 +764,25 @@ static void Cmd_TokenizeString (const char *text)
                        return;
 
                if (cmd_argc == 1)
-                        cmd_args = text;
+                       cmd_args = text;
 
                if (!COM_ParseTokenConsole(&text))
                        return;
 
                if (cmd_argc < MAX_ARGS)
                {
-                       l = strlen(com_token) + 1;
+                       l = (int)strlen(com_token) + 1;
                        if (cmd_tokenizebufferpos + l > CMD_TOKENIZELENGTH)
-                               Sys_Error("Cmd_TokenizeString: ran out of %i character buffer space for command arguements\n", CMD_TOKENIZELENGTH);
-                       strcpy (cmd_tokenizebuffer + cmd_tokenizebufferpos, com_token);
+                       {
+                               Con_Printf("Cmd_TokenizeString: ran out of %i character buffer space for command arguements\n", CMD_TOKENIZELENGTH);
+                               break;
+                       }
+                       memcpy (cmd_tokenizebuffer + cmd_tokenizebufferpos, com_token, l);
                        cmd_argv[cmd_argc] = cmd_tokenizebuffer + cmd_tokenizebufferpos;
                        cmd_tokenizebufferpos += l;
                        cmd_argc++;
                }
        }
-
 }
 
 
@@ -575,14 +791,15 @@ static void Cmd_TokenizeString (const char *text)
 Cmd_AddCommand
 ============
 */
-void Cmd_AddCommand (const char *cmd_name, xcommand_t function)
+void Cmd_AddCommand (const char *cmd_name, xcommand_t function, const char *description)
 {
        cmd_function_t *cmd;
+       cmd_function_t *prev, *current;
 
 // fail if the command is a variable name
-       if (Cvar_VariableString(cmd_name)[0])
+       if (Cvar_FindVar( cmd_name ))
        {
-               Con_Printf ("Cmd_AddCommand: %s already defined as a var\n", cmd_name);
+               Con_Printf("Cmd_AddCommand: %s already defined as a var\n", cmd_name);
                return;
        }
 
@@ -591,16 +808,36 @@ void Cmd_AddCommand (const char *cmd_name, xcommand_t function)
        {
                if (!strcmp (cmd_name, cmd->name))
                {
-                       Con_Printf ("Cmd_AddCommand: %s already defined\n", cmd_name);
-                       return;
+                       if (function)
+                       {
+                               Con_Printf("Cmd_AddCommand: %s already defined\n", cmd_name);
+                               return;
+                       }
+                       else    //[515]: csqc
+                       {
+                               cmd->csqcfunc = true;
+                               return;
+                       }
                }
        }
 
-       cmd = Mem_Alloc(cmd_mempool, sizeof(cmd_function_t));
+       cmd = (cmd_function_t *)Mem_Alloc(cmd_mempool, sizeof(cmd_function_t));
        cmd->name = cmd_name;
        cmd->function = function;
+       cmd->description = description;
+       if(!function)                   //[515]: csqc
+               cmd->csqcfunc = true;
        cmd->next = cmd_functions;
-       cmd_functions = cmd;
+
+// insert it at the right alphanumeric position
+       for( prev = NULL, current = cmd_functions ; current && strcmp( current->name, cmd->name ) < 0 ; prev = current, current = current->next )
+               ;
+       if( prev ) {
+               prev->next = cmd;
+       } else {
+               cmd_functions = cmd;
+       }
+       cmd->next = current;
 }
 
 /*
@@ -628,7 +865,7 @@ Cmd_CompleteCommand
 const char *Cmd_CompleteCommand (const char *partial)
 {
        cmd_function_t *cmd;
-       int len;
+       size_t len;
 
        len = strlen(partial);
 
@@ -637,7 +874,7 @@ const char *Cmd_CompleteCommand (const char *partial)
 
 // check functions
        for (cmd = cmd_functions; cmd; cmd = cmd->next)
-               if (!strncmp(partial, cmd->name, len))
+               if (!strncasecmp(partial, cmd->name, len))
                        return cmd->name;
 
        return NULL;
@@ -655,7 +892,8 @@ const char *Cmd_CompleteCommand (const char *partial)
 int Cmd_CompleteCountPossible (const char *partial)
 {
        cmd_function_t *cmd;
-       int len, h;
+       size_t len;
+       int h;
 
        h = 0;
        len = strlen(partial);
@@ -683,13 +921,13 @@ int Cmd_CompleteCountPossible (const char *partial)
 const char **Cmd_CompleteBuildList (const char *partial)
 {
        cmd_function_t *cmd;
-       int len = 0;
-       int bpos = 0;
-       int sizeofbuf = (Cmd_CompleteCountPossible (partial) + 1) * sizeof (const char *);
+       size_t len = 0;
+       size_t bpos = 0;
+       size_t sizeofbuf = (Cmd_CompleteCountPossible (partial) + 1) * sizeof (const char *);
        const char **buf;
 
        len = strlen(partial);
-       buf = Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
+       buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
        // Loop through the alias list and print all matches
        for (cmd = cmd_functions; cmd; cmd = cmd->next)
                if (!strncasecmp(partial, cmd->name, len))
@@ -699,6 +937,17 @@ const char **Cmd_CompleteBuildList (const char *partial)
        return buf;
 }
 
+// written by LordHavoc
+void Cmd_CompleteCommandPrint (const char *partial)
+{
+       cmd_function_t *cmd;
+       size_t len = strlen(partial);
+       // Loop through the command list and print all matches
+       for (cmd = cmd_functions; cmd; cmd = cmd->next)
+               if (!strncasecmp(partial, cmd->name, len))
+                       Con_Printf("%s : %s\n", cmd->name, cmd->description);
+}
+
 /*
        Cmd_CompleteAlias
 
@@ -711,7 +960,7 @@ const char **Cmd_CompleteBuildList (const char *partial)
 const char *Cmd_CompleteAlias (const char *partial)
 {
        cmdalias_t *alias;
-       int len;
+       size_t len;
 
        len = strlen(partial);
 
@@ -726,6 +975,18 @@ const char *Cmd_CompleteAlias (const char *partial)
        return NULL;
 }
 
+// written by LordHavoc
+void Cmd_CompleteAliasPrint (const char *partial)
+{
+       cmdalias_t *alias;
+       size_t len = strlen(partial);
+       // Loop through the alias list and print all matches
+       for (alias = cmd_alias; alias; alias = alias->next)
+               if (!strncasecmp(partial, alias->name, len))
+                       Con_Printf("%s : %s\n", alias->name, alias->value);
+}
+
+
 /*
        Cmd_CompleteAliasCountPossible
 
@@ -738,7 +999,7 @@ const char *Cmd_CompleteAlias (const char *partial)
 int Cmd_CompleteAliasCountPossible (const char *partial)
 {
        cmdalias_t      *alias;
-       int                     len;
+       size_t          len;
        int                     h;
 
        h = 0;
@@ -768,13 +1029,13 @@ int Cmd_CompleteAliasCountPossible (const char *partial)
 const char **Cmd_CompleteAliasBuildList (const char *partial)
 {
        cmdalias_t *alias;
-       int len = 0;
-       int bpos = 0;
-       int sizeofbuf = (Cmd_CompleteAliasCountPossible (partial) + 1) * sizeof (const char *);
+       size_t len = 0;
+       size_t bpos = 0;
+       size_t sizeofbuf = (Cmd_CompleteAliasCountPossible (partial) + 1) * sizeof (const char *);
        const char **buf;
 
        len = strlen(partial);
-       buf = Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
+       buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
        // Loop through the alias list and print all matches
        for (alias = cmd_alias; alias; alias = alias->next)
                if (!strncasecmp(partial, alias->name, len))
@@ -784,6 +1045,14 @@ const char **Cmd_CompleteAliasBuildList (const char *partial)
        return buf;
 }
 
+void Cmd_ClearCsqcFuncs (void)
+{
+       cmd_function_t *cmd;
+       for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
+               cmd->csqcfunc = false;
+}
+
+qboolean CL_VM_ConsoleCommand (const char *cmd);
 /*
 ============
 Cmd_ExecuteString
@@ -800,6 +1069,7 @@ void Cmd_ExecuteString (const char *text, cmd_source_t src)
 
        oldpos = cmd_tokenizebufferpos;
        cmd_source = src;
+
        Cmd_TokenizeString (text);
 
 // execute the command line
@@ -814,7 +1084,14 @@ void Cmd_ExecuteString (const char *text, cmd_source_t src)
        {
                if (!strcasecmp (cmd_argv[0],cmd->name))
                {
-                       cmd->function ();
+                       if(cmd->function && !cmd->csqcfunc)
+                               cmd->function ();
+                       else
+                               if(CL_VM_ConsoleCommand (text)) //[515]: csqc
+                                       return;
+                               else
+                                       if(cmd->function)
+                                               cmd->function ();
                        cmd_tokenizebufferpos = oldpos;
                        return;
                }
@@ -825,15 +1102,15 @@ void Cmd_ExecuteString (const char *text, cmd_source_t src)
        {
                if (!strcasecmp (cmd_argv[0], a->name))
                {
-                       Cbuf_InsertText (a->value);
+                       Cmd_ExecuteAlias(a);
                        cmd_tokenizebufferpos = oldpos;
                        return;
                }
        }
 
 // check cvars
-       if (!Cvar_Command ())
-               Con_Printf ("Unknown command \"%s\"\n", Cmd_Argv(0));
+       if (!Cvar_Command () && host_framecount > 0)
+               Con_Printf("Unknown command \"%s\"\n", Cmd_Argv(0));
 
        cmd_tokenizebufferpos = oldpos;
 }
@@ -841,32 +1118,56 @@ void Cmd_ExecuteString (const char *text, cmd_source_t src)
 
 /*
 ===================
-Cmd_ForwardToServer
+Cmd_ForwardStringToServer
 
-Sends the entire command line over to the server
+Sends an entire command string over to the server, unprocessed
 ===================
 */
-void Cmd_ForwardToServer (void)
+void Cmd_ForwardStringToServer (const char *s)
 {
        if (cls.state != ca_connected)
        {
-               Con_Printf ("Can't \"%s\", not connected\n", Cmd_Argv(0));
+               Con_Printf("Can't \"%s\", not connected\n", s);
                return;
        }
 
-       if (cls.demoplayback)
-               return;         // not really connected
+       if (!cls.netcon)
+               return;
+
+       // LordHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
+       // attention, it has been eradicated from here, its only (former) use in
+       // all of darkplaces.
+       if (cls.protocol == PROTOCOL_QUAKEWORLD)
+               MSG_WriteByte(&cls.netcon->message, qw_clc_stringcmd);
+       else
+               MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
+       SZ_Write(&cls.netcon->message, (const unsigned char *)s, (int)strlen(s) + 1);
+}
+
+/*
+===================
+Cmd_ForwardToServer
 
-       MSG_WriteByte (&cls.message, clc_stringcmd);
-       if (strcasecmp(Cmd_Argv(0), "cmd") != 0)
+Sends the entire command line over to the server
+===================
+*/
+void Cmd_ForwardToServer (void)
+{
+       const char *s;
+       if (!strcasecmp(Cmd_Argv(0), "cmd"))
        {
-               SZ_Print (&cls.message, Cmd_Argv(0));
-               SZ_Print (&cls.message, " ");
+               // we want to strip off "cmd", so just send the args
+               s = Cmd_Argc() > 1 ? Cmd_Args() : "";
        }
-       if (Cmd_Argc() > 1)
-               SZ_Print (&cls.message, Cmd_Args());
        else
-               SZ_Print (&cls.message, "\n");
+       {
+               // we need to keep the command name, so send Cmd_Argv(0), a space and then Cmd_Args()
+               s = va("%s %s", Cmd_Argv(0), Cmd_Argc() > 1 ? Cmd_Args() : "");
+       }
+       // don't send an empty forward message if the user tries "cmd" by itself
+       if (!s || !*s)
+               return;
+       Cmd_ForwardStringToServer(s);
 }
 
 
@@ -884,7 +1185,10 @@ int Cmd_CheckParm (const char *parm)
        int i;
 
        if (!parm)
-               Sys_Error ("Cmd_CheckParm: NULL");
+       {
+               Con_Printf ("Cmd_CheckParm: NULL");
+               return 0;
+       }
 
        for (i = 1; i < Cmd_Argc (); i++)
                if (!strcasecmp (parm, Cmd_Argv (i)))