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https://github.com/w23/xash3d-fwgs
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5e0a0765ce
The `.editorconfig` file in this repo is configured to trim all trailing
whitespace regardless of whether the line is modified.
Trims all trailing whitespace in the repository to make the codebase easier
to work with in editors that respect `.editorconfig`.
`git blame` becomes less useful on these lines but it already isn't very useful.
Commands:
```
find . -type f -name '*.h' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
find . -type f -name '*.c' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
```
499 lines
8.3 KiB
C
499 lines
8.3 KiB
C
/*
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infostring.c - network info strings
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Copyright (C) 2008 Uncle Mike
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(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. See the
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GNU General Public License for more details.
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*/
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#include "common.h"
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#define MAX_KV_SIZE 128
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/*
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=======================================================================
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INFOSTRING STUFF
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=======================================================================
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*/
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/*
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===============
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Info_Print
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printing current key-value pair
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===============
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*/
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void Info_Print( const char *s )
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{
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char key[MAX_KV_SIZE];
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char value[MAX_KV_SIZE];
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int l, count;
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char *o;
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if( *s == '\\' ) s++;
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while( *s )
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{
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count = 0;
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o = key;
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while( count < (MAX_KV_SIZE - 1) && *s && *s != '\\' )
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{
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*o++ = *s++;
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count++;
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}
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l = o - key;
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if( l < 20 )
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{
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memset( o, ' ', 20 - l );
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key[20] = 0;
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}
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else *o = 0;
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Con_Printf( "%s", key );
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if( !*s )
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{
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Con_Printf( "(null)\n" );
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return;
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}
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count = 0;
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o = value;
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s++;
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while( count < (MAX_KV_SIZE - 1) && *s && *s != '\\' )
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{
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*o++ = *s++;
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count++;
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}
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*o = 0;
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if( *s ) s++;
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Con_Printf( "%s\n", value );
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}
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}
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/*
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==============
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Info_IsValid
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check infostring for potential problems
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==============
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*/
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qboolean Info_IsValid( const char *s )
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{
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char key[MAX_KV_SIZE];
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char value[MAX_KV_SIZE];
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int count;
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char *o;
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if( *s == '\\' ) s++;
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while( *s )
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{
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count = 0;
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o = key;
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while( count < (MAX_KV_SIZE - 1) && *s && *s != '\\' )
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{
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*o++ = *s++;
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count++;
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}
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*o = 0;
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if( !*s ) return false;
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count = 0;
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o = value;
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s++;
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while( count < (MAX_KV_SIZE - 1) && *s && *s != '\\' )
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{
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*o++ = *s++;
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count++;
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}
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*o = 0;
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if( !COM_CheckStringEmpty( value ) )
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return false;
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if( *s ) s++;
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}
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return true;
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}
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#if !XASH_DEDICATED
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/*
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==============
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Info_WriteVars
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==============
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*/
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void Info_WriteVars( file_t *f )
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{
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char *s = CL_Userinfo();
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char pkey[MAX_SERVERINFO_STRING];
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static char value[4][MAX_SERVERINFO_STRING]; // use two buffers so compares work without stomping on each other
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static int valueindex;
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convar_t *pcvar;
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char *o;
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valueindex = (valueindex + 1) % 4;
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if( *s == '\\' ) s++;
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while( 1 )
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{
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o = pkey;
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while( *s != '\\' )
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{
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if( !*s ) return;
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*o++ = *s++;
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}
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*o = 0;
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s++;
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o = value[valueindex];
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while( *s != '\\' && *s )
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{
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if( !*s ) return;
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*o++ = *s++;
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}
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*o = 0;
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pcvar = Cvar_FindVar( pkey );
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if( !pcvar && pkey[0] != '*' ) // don't store out star keys
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FS_Printf( f, "setinfo \"%s\" \"%s\"\n", pkey, value[valueindex] );
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if( !*s ) return;
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s++;
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}
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}
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#endif // XASH_DEDICATED
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/*
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===============
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Info_ValueForKey
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Searches the string for the given
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key and returns the associated value, or an empty string.
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===============
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*/
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const char *Info_ValueForKey( const char *s, const char *key )
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{
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char pkey[MAX_KV_SIZE];
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static char value[4][MAX_KV_SIZE]; // use two buffers so compares work without stomping on each other
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static int valueindex;
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int count;
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char *o;
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valueindex = (valueindex + 1) % 4;
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if( *s == '\\' ) s++;
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while( 1 )
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{
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count = 0;
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o = pkey;
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while( count < (MAX_KV_SIZE - 1) && *s != '\\' )
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{
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if( !*s ) return "";
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*o++ = *s++;
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count++;
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}
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*o = 0;
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s++;
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o = value[valueindex];
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count = 0;
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while( count < (MAX_KV_SIZE - 1) && *s && *s != '\\' )
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{
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if( !*s ) return "";
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*o++ = *s++;
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count++;
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}
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*o = 0;
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if( !Q_strcmp( key, pkey ))
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return value[valueindex];
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if( !*s ) return "";
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s++;
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}
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}
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qboolean GAME_EXPORT Info_RemoveKey( char *s, const char *key )
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{
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char *start;
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char pkey[MAX_KV_SIZE];
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char value[MAX_KV_SIZE];
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int cmpsize = Q_strlen( key );
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int count;
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char *o;
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if( cmpsize > ( MAX_KV_SIZE - 1 ))
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cmpsize = MAX_KV_SIZE - 1;
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if( Q_strchr( key, '\\' ))
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return false;
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while( 1 )
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{
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start = s;
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if( *s == '\\' ) s++;
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count = 0;
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o = pkey;
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while( count < (MAX_KV_SIZE - 1) && *s != '\\' )
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{
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if( !*s ) return false;
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*o++ = *s++;
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count++;
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}
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*o = 0;
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s++;
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count = 0;
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o = value;
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while( count < (MAX_KV_SIZE - 1) && *s != '\\' && *s )
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{
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if( !*s ) return false;
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*o++ = *s++;
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count++;
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}
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*o = 0;
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if( !Q_strncmp( key, pkey, cmpsize ))
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{
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Q_strcpy( start, s ); // remove this part
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return true;
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}
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if( !*s ) return false;
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}
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}
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void Info_RemovePrefixedKeys( char *start, char prefix )
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{
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char *s, *o;
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char pkey[MAX_KV_SIZE];
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char value[MAX_KV_SIZE];
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int count;
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s = start;
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while( 1 )
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{
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if( *s == '\\' ) s++;
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count = 0;
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o = pkey;
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while( count < (MAX_KV_SIZE - 1) && *s != '\\' )
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{
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if( !*s ) return;
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*o++ = *s++;
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count++;
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}
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*o = 0;
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s++;
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count = 0;
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o = value;
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while( count < (MAX_KV_SIZE - 1) && *s && *s != '\\' )
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{
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if( !*s ) return;
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*o++ = *s++;
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count++;
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}
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*o = 0;
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if( pkey[0] == prefix )
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{
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Info_RemoveKey( start, pkey );
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s = start;
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}
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if( !*s ) return;
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}
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}
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qboolean Info_IsKeyImportant( const char *key )
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{
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if( key[0] == '*' )
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return true;
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if( !Q_strcmp( key, "name" ))
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return true;
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if( !Q_strcmp( key, "model" ))
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return true;
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if( !Q_strcmp( key, "rate" ))
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return true;
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if( !Q_strcmp( key, "topcolor" ))
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return true;
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if( !Q_strcmp( key, "bottomcolor" ))
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return true;
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if( !Q_strcmp( key, "cl_updaterate" ))
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return true;
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if( !Q_strcmp( key, "cl_lw" ))
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return true;
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if( !Q_strcmp( key, "cl_lc" ))
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return true;
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if( !Q_strcmp( key, "cl_nopred" ))
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return true;
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return false;
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}
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char *Info_FindLargestKey( char *s )
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{
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char key[MAX_KV_SIZE];
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char value[MAX_KV_SIZE];
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static char largest_key[128];
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int largest_size = 0;
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int l, count;
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char *o;
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*largest_key = 0;
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if( *s == '\\' ) s++;
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while( *s )
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{
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int size = 0;
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count = 0;
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o = key;
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while( count < (MAX_KV_SIZE - 1) && *s && *s != '\\' )
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{
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*o++ = *s++;
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count++;
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}
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l = o - key;
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*o = 0;
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size = Q_strlen( key );
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if( !*s ) return largest_key;
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count = 0;
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o = value;
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s++;
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while( count < (MAX_KV_SIZE - 1) && *s && *s != '\\' )
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{
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*o++ = *s++;
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count++;
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}
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*o = 0;
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if( *s ) s++;
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size += Q_strlen( value );
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if(( size > largest_size ) && !Info_IsKeyImportant( key ))
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{
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Q_strncpy( largest_key, key, sizeof( largest_key ));
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largest_size = size;
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}
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}
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return largest_key;
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}
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qboolean Info_SetValueForStarKey( char *s, const char *key, const char *value, int maxsize )
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{
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char new[1024], *v;
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int c, team;
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if( Q_strchr( key, '\\' ) || Q_strchr( value, '\\' ))
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{
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Con_Printf( S_ERROR "SetValueForKey: can't use keys or values with a \\\n" );
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return false;
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}
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if( Q_strstr( key, ".." ) || Q_strstr( value, ".." ))
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return false;
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if( Q_strchr( key, '\"' ) || Q_strchr( value, '\"' ))
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{
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Con_Printf( S_ERROR "SetValueForKey: can't use keys or values with a \"\n" );
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return false;
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}
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if( Q_strlen( key ) > ( MAX_KV_SIZE - 1 ) || Q_strlen( value ) > ( MAX_KV_SIZE - 1 ))
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return false;
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Info_RemoveKey( s, key );
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if( !COM_CheckString( value ) )
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return true; // just clear variable
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Q_snprintf( new, sizeof( new ), "\\%s\\%s", key, value );
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if( Q_strlen( new ) + Q_strlen( s ) > maxsize )
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{
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// no more room in buffer to add key/value
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if( Info_IsKeyImportant( key ))
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{
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// keep removing the largest key/values until we have room
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char *largekey;
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do
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{
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largekey = Info_FindLargestKey( s );
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Info_RemoveKey( s, largekey );
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} while((( Q_strlen( new ) + Q_strlen( s )) >= maxsize ) && *largekey != 0 );
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if( largekey[0] == 0 )
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{
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// no room to add setting
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return true; // info changed, new value can't saved
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}
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}
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else
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{
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// no room to add setting
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return true; // info changed, new value can't saved
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}
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}
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// only copy ascii values
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s += Q_strlen( s );
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v = new;
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team = ( Q_stricmp( key, "team" ) == 0 ) ? true : false;
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while( *v )
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{
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c = (byte)*v++;
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if( team ) c = Q_tolower( c );
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if( c > 13 ) *s++ = c;
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}
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*s = 0;
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// all done
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return true;
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}
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qboolean Info_SetValueForKey( char *s, const char *key, const char *value, int maxsize )
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{
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if( key[0] == '*' )
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{
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Con_Printf( S_ERROR "Can't set *keys\n" );
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return false;
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}
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return Info_SetValueForStarKey( s, key, value, maxsize );
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}
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