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https://github.com/UberGames/lilium-voyager.git
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1440 lines
24 KiB
C
1440 lines
24 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, 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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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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//
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// q_shared.c -- stateless support routines that are included in each code dll
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#include "q_shared.h"
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float Com_Clamp( float min, float max, float value ) {
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if ( value < min ) {
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return min;
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}
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if ( value > max ) {
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return max;
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}
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return value;
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}
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/*
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============
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COM_SkipPath
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============
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*/
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char *COM_SkipPath (char *pathname)
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{
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char *last;
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last = pathname;
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while (*pathname)
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{
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if (*pathname=='/')
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last = pathname+1;
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pathname++;
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}
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return last;
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}
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/*
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============
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COM_GetExtension
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============
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*/
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const char *COM_GetExtension( const char *name )
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{
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const char *dot = strrchr(name, '.'), *slash;
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if (dot && (!(slash = strrchr(name, '/')) || slash < dot))
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return dot + 1;
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else
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return "";
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}
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/*
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============
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COM_StripExtension
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============
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*/
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void COM_StripExtension( const char *in, char *out, int destsize )
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{
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const char *dot = strrchr(in, '.'), *slash;
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if (dot && (!(slash = strrchr(in, '/')) || slash < dot))
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destsize = (destsize < dot-in+1 ? destsize : dot-in+1);
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if ( in == out && destsize > 1 )
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out[destsize-1] = '\0';
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else
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Q_strncpyz(out, in, destsize);
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}
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/*
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============
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COM_CompareExtension
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string compare the end of the strings and return qtrue if strings match
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============
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*/
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qboolean COM_CompareExtension(const char *in, const char *ext)
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{
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int inlen, extlen;
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inlen = strlen(in);
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extlen = strlen(ext);
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if(extlen <= inlen)
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{
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in += inlen - extlen;
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if(!Q_stricmp(in, ext))
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return qtrue;
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}
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return qfalse;
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}
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/*
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==================
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COM_DefaultExtension
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if path doesn't have an extension, then append
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the specified one (which should include the .)
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==================
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*/
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void COM_DefaultExtension( char *path, int maxSize, const char *extension )
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{
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const char *dot = strrchr(path, '.'), *slash;
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if (dot && (!(slash = strrchr(path, '/')) || slash < dot))
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return;
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else
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Q_strcat(path, maxSize, extension);
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}
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/*
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============================================================================
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BYTE ORDER FUNCTIONS
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============================================================================
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*/
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/*
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// can't just use function pointers, or dll linkage can
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// mess up when qcommon is included in multiple places
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static short (*_BigShort) (short l);
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static short (*_LittleShort) (short l);
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static int (*_BigLong) (int l);
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static int (*_LittleLong) (int l);
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static qint64 (*_BigLong64) (qint64 l);
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static qint64 (*_LittleLong64) (qint64 l);
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static float (*_BigFloat) (const float *l);
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static float (*_LittleFloat) (const float *l);
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short BigShort(short l){return _BigShort(l);}
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short LittleShort(short l) {return _LittleShort(l);}
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int BigLong (int l) {return _BigLong(l);}
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int LittleLong (int l) {return _LittleLong(l);}
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qint64 BigLong64 (qint64 l) {return _BigLong64(l);}
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qint64 LittleLong64 (qint64 l) {return _LittleLong64(l);}
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float BigFloat (const float *l) {return _BigFloat(l);}
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float LittleFloat (const float *l) {return _LittleFloat(l);}
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*/
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void CopyShortSwap(void *dest, void *src)
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{
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byte *to = dest, *from = src;
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to[0] = from[1];
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to[1] = from[0];
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}
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void CopyLongSwap(void *dest, void *src)
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{
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byte *to = dest, *from = src;
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to[0] = from[3];
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to[1] = from[2];
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to[2] = from[1];
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to[3] = from[0];
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}
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short ShortSwap (short l)
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{
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byte b1,b2;
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b1 = l&255;
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b2 = (l>>8)&255;
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return (b1<<8) + b2;
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}
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short ShortNoSwap (short l)
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{
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return l;
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}
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int LongSwap (int l)
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{
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byte b1,b2,b3,b4;
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b1 = l&255;
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b2 = (l>>8)&255;
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b3 = (l>>16)&255;
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b4 = (l>>24)&255;
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return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
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}
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int LongNoSwap (int l)
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{
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return l;
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}
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qint64 Long64Swap (qint64 ll)
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{
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qint64 result;
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result.b0 = ll.b7;
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result.b1 = ll.b6;
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result.b2 = ll.b5;
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result.b3 = ll.b4;
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result.b4 = ll.b3;
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result.b5 = ll.b2;
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result.b6 = ll.b1;
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result.b7 = ll.b0;
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return result;
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}
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qint64 Long64NoSwap (qint64 ll)
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{
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return ll;
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}
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float FloatSwap (const float *f) {
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floatint_t out;
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out.f = *f;
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out.ui = LongSwap(out.ui);
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return out.f;
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}
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float FloatNoSwap (const float *f)
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{
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return *f;
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}
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/*
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================
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Swap_Init
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================
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*/
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/*
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void Swap_Init (void)
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{
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byte swaptest[2] = {1,0};
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// set the byte swapping variables in a portable manner
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if ( *(short *)swaptest == 1)
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{
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_BigShort = ShortSwap;
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_LittleShort = ShortNoSwap;
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_BigLong = LongSwap;
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_LittleLong = LongNoSwap;
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_BigLong64 = Long64Swap;
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_LittleLong64 = Long64NoSwap;
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_BigFloat = FloatSwap;
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_LittleFloat = FloatNoSwap;
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}
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else
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{
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_BigShort = ShortNoSwap;
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_LittleShort = ShortSwap;
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_BigLong = LongNoSwap;
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_LittleLong = LongSwap;
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_BigLong64 = Long64NoSwap;
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_LittleLong64 = Long64Swap;
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_BigFloat = FloatNoSwap;
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_LittleFloat = FloatSwap;
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}
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}
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*/
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/*
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============================================================================
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PARSING
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============================================================================
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*/
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static char com_token[MAX_TOKEN_CHARS];
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static char com_parsename[MAX_TOKEN_CHARS];
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static int com_lines;
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static int com_tokenline;
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void COM_BeginParseSession( const char *name )
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{
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com_lines = 1;
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com_tokenline = 0;
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Com_sprintf(com_parsename, sizeof(com_parsename), "%s", name);
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}
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int COM_GetCurrentParseLine( void )
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{
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if ( com_tokenline )
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{
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return com_tokenline;
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}
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return com_lines;
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}
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char *COM_Parse( char **data_p )
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{
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return COM_ParseExt( data_p, qtrue );
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}
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void COM_ParseError( char *format, ... )
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{
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va_list argptr;
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static char string[4096];
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va_start (argptr, format);
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Q_vsnprintf (string, sizeof(string), format, argptr);
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va_end (argptr);
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Com_Printf("ERROR: %s, line %d: %s\n", com_parsename, COM_GetCurrentParseLine(), string);
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}
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void COM_ParseWarning( char *format, ... )
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{
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va_list argptr;
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static char string[4096];
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va_start (argptr, format);
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Q_vsnprintf (string, sizeof(string), format, argptr);
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va_end (argptr);
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Com_Printf("WARNING: %s, line %d: %s\n", com_parsename, COM_GetCurrentParseLine(), string);
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}
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/*
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==============
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COM_Parse
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Parse a token out of a string
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Will never return NULL, just empty strings
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If "allowLineBreaks" is qtrue then an empty
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string will be returned if the next token is
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a newline.
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==============
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*/
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static char *SkipWhitespace( char *data, qboolean *hasNewLines ) {
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int c;
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while( (c = *data) <= ' ') {
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if( !c ) {
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return NULL;
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}
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if( c == '\n' ) {
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com_lines++;
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*hasNewLines = qtrue;
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}
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data++;
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}
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return data;
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}
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int COM_Compress( char *data_p ) {
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char *in, *out;
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int c;
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qboolean newline = qfalse, whitespace = qfalse;
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in = out = data_p;
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if (in) {
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while ((c = *in) != 0) {
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// skip double slash comments
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if ( c == '/' && in[1] == '/' ) {
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while (*in && *in != '\n') {
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in++;
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}
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// skip /* */ comments
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} else if ( c == '/' && in[1] == '*' ) {
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while ( *in && ( *in != '*' || in[1] != '/' ) )
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in++;
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if ( *in )
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in += 2;
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// record when we hit a newline
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} else if ( c == '\n' || c == '\r' ) {
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newline = qtrue;
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in++;
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// record when we hit whitespace
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} else if ( c == ' ' || c == '\t') {
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whitespace = qtrue;
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in++;
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// an actual token
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} else {
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// if we have a pending newline, emit it (and it counts as whitespace)
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if (newline) {
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*out++ = '\n';
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newline = qfalse;
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whitespace = qfalse;
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} if (whitespace) {
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*out++ = ' ';
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whitespace = qfalse;
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}
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// copy quoted strings unmolested
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if (c == '"') {
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*out++ = c;
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in++;
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while (1) {
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c = *in;
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if (c && c != '"') {
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*out++ = c;
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in++;
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} else {
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break;
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}
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}
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if (c == '"') {
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*out++ = c;
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in++;
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}
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} else {
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*out = c;
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out++;
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in++;
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}
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}
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}
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*out = 0;
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}
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return out - data_p;
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}
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char *COM_ParseExt( char **data_p, qboolean allowLineBreaks )
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{
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int c = 0, len;
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qboolean hasNewLines = qfalse;
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char *data;
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data = *data_p;
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len = 0;
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com_token[0] = 0;
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com_tokenline = 0;
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// make sure incoming data is valid
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if ( !data )
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{
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*data_p = NULL;
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return com_token;
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}
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while ( 1 )
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{
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// skip whitespace
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data = SkipWhitespace( data, &hasNewLines );
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if ( !data )
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{
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*data_p = NULL;
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return com_token;
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}
|
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if ( hasNewLines && !allowLineBreaks )
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{
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*data_p = data;
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return com_token;
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}
|
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c = *data;
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|
|
// skip double slash comments
|
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if ( c == '/' && data[1] == '/' )
|
|
{
|
|
data += 2;
|
|
while (*data && *data != '\n') {
|
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data++;
|
|
}
|
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}
|
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// skip /* */ comments
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else if ( c=='/' && data[1] == '*' )
|
|
{
|
|
data += 2;
|
|
while ( *data && ( *data != '*' || data[1] != '/' ) )
|
|
{
|
|
if ( *data == '\n' )
|
|
{
|
|
com_lines++;
|
|
}
|
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data++;
|
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}
|
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if ( *data )
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|
{
|
|
data += 2;
|
|
}
|
|
}
|
|
else
|
|
{
|
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break;
|
|
}
|
|
}
|
|
|
|
// token starts on this line
|
|
com_tokenline = com_lines;
|
|
|
|
// handle quoted strings
|
|
if (c == '\"')
|
|
{
|
|
data++;
|
|
while (1)
|
|
{
|
|
c = *data++;
|
|
if (c=='\"' || !c)
|
|
{
|
|
com_token[len] = 0;
|
|
*data_p = ( char * ) data;
|
|
return com_token;
|
|
}
|
|
if ( c == '\n' )
|
|
{
|
|
com_lines++;
|
|
}
|
|
if (len < MAX_TOKEN_CHARS - 1)
|
|
{
|
|
com_token[len] = c;
|
|
len++;
|
|
}
|
|
}
|
|
}
|
|
|
|
// parse a regular word
|
|
do
|
|
{
|
|
if (len < MAX_TOKEN_CHARS - 1)
|
|
{
|
|
com_token[len] = c;
|
|
len++;
|
|
}
|
|
data++;
|
|
c = *data;
|
|
} while (c>32);
|
|
|
|
com_token[len] = 0;
|
|
|
|
*data_p = ( char * ) data;
|
|
return com_token;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
COM_MatchToken
|
|
==================
|
|
*/
|
|
void COM_MatchToken( char **buf_p, char *match ) {
|
|
char *token;
|
|
|
|
token = COM_Parse( buf_p );
|
|
if ( strcmp( token, match ) ) {
|
|
Com_Error( ERR_DROP, "MatchToken: %s != %s", token, match );
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
SkipBracedSection
|
|
|
|
The next token should be an open brace or set depth to 1 if already parsed it.
|
|
Skips until a matching close brace is found.
|
|
Internal brace depths are properly skipped.
|
|
=================
|
|
*/
|
|
qboolean SkipBracedSection (char **program, int depth) {
|
|
char *token;
|
|
|
|
do {
|
|
token = COM_ParseExt( program, qtrue );
|
|
if( token[1] == 0 ) {
|
|
if( token[0] == '{' ) {
|
|
depth++;
|
|
}
|
|
else if( token[0] == '}' ) {
|
|
depth--;
|
|
}
|
|
}
|
|
} while( depth && *program );
|
|
|
|
return ( depth == 0 );
|
|
}
|
|
|
|
/*
|
|
=================
|
|
SkipRestOfLine
|
|
=================
|
|
*/
|
|
void SkipRestOfLine ( char **data ) {
|
|
char *p;
|
|
int c;
|
|
|
|
p = *data;
|
|
|
|
if ( !*p )
|
|
return;
|
|
|
|
while ( (c = *p++) != 0 ) {
|
|
if ( c == '\n' ) {
|
|
com_lines++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
*data = p;
|
|
}
|
|
|
|
|
|
void Parse1DMatrix (char **buf_p, int x, float *m) {
|
|
char *token;
|
|
int i;
|
|
|
|
COM_MatchToken( buf_p, "(" );
|
|
|
|
for (i = 0 ; i < x ; i++) {
|
|
token = COM_Parse(buf_p);
|
|
m[i] = atof(token);
|
|
}
|
|
|
|
COM_MatchToken( buf_p, ")" );
|
|
}
|
|
|
|
void Parse2DMatrix (char **buf_p, int y, int x, float *m) {
|
|
int i;
|
|
|
|
COM_MatchToken( buf_p, "(" );
|
|
|
|
for (i = 0 ; i < y ; i++) {
|
|
Parse1DMatrix (buf_p, x, m + i * x);
|
|
}
|
|
|
|
COM_MatchToken( buf_p, ")" );
|
|
}
|
|
|
|
void Parse3DMatrix (char **buf_p, int z, int y, int x, float *m) {
|
|
int i;
|
|
|
|
COM_MatchToken( buf_p, "(" );
|
|
|
|
for (i = 0 ; i < z ; i++) {
|
|
Parse2DMatrix (buf_p, y, x, m + i * x*y);
|
|
}
|
|
|
|
COM_MatchToken( buf_p, ")" );
|
|
}
|
|
|
|
/*
|
|
===================
|
|
Com_HexStrToInt
|
|
===================
|
|
*/
|
|
int Com_HexStrToInt( const char *str )
|
|
{
|
|
if ( !str )
|
|
return -1;
|
|
|
|
// check for hex code
|
|
if( str[ 0 ] == '0' && str[ 1 ] == 'x' && str[ 2 ] != '\0' )
|
|
{
|
|
int i, n = 0, len = strlen( str );
|
|
|
|
for( i = 2; i < len; i++ )
|
|
{
|
|
char digit;
|
|
|
|
n *= 16;
|
|
|
|
digit = tolower( str[ i ] );
|
|
|
|
if( digit >= '0' && digit <= '9' )
|
|
digit -= '0';
|
|
else if( digit >= 'a' && digit <= 'f' )
|
|
digit = digit - 'a' + 10;
|
|
else
|
|
return -1;
|
|
|
|
n += digit;
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
============================================================================
|
|
|
|
LIBRARY REPLACEMENT FUNCTIONS
|
|
|
|
============================================================================
|
|
*/
|
|
|
|
int Q_isprint( int c )
|
|
{
|
|
if ( c >= 0x20 && c <= 0x7E )
|
|
return ( 1 );
|
|
return ( 0 );
|
|
}
|
|
|
|
int Q_islower( int c )
|
|
{
|
|
if (c >= 'a' && c <= 'z')
|
|
return ( 1 );
|
|
return ( 0 );
|
|
}
|
|
|
|
int Q_isupper( int c )
|
|
{
|
|
if (c >= 'A' && c <= 'Z')
|
|
return ( 1 );
|
|
return ( 0 );
|
|
}
|
|
|
|
int Q_isalpha( int c )
|
|
{
|
|
if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
|
|
return ( 1 );
|
|
return ( 0 );
|
|
}
|
|
|
|
qboolean Q_isanumber( const char *s )
|
|
{
|
|
char *p;
|
|
double UNUSED_VAR d;
|
|
|
|
if( *s == '\0' )
|
|
return qfalse;
|
|
|
|
d = strtod( s, &p );
|
|
|
|
return *p == '\0';
|
|
}
|
|
|
|
qboolean Q_isintegral( float f )
|
|
{
|
|
return (int)f == f;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
/*
|
|
=============
|
|
Q_vsnprintf
|
|
|
|
Special wrapper function for Microsoft's broken _vsnprintf() function.
|
|
MinGW comes with its own vsnprintf() which is not broken. mingw-w64
|
|
however, uses Microsoft's broken _vsnprintf() function.
|
|
=============
|
|
*/
|
|
|
|
int Q_vsnprintf(char *str, size_t size, const char *format, va_list ap)
|
|
{
|
|
int retval;
|
|
|
|
retval = _vsnprintf(str, size, format, ap);
|
|
|
|
if(retval < 0 || retval == size)
|
|
{
|
|
// Microsoft doesn't adhere to the C99 standard of vsnprintf,
|
|
// which states that the return value must be the number of
|
|
// bytes written if the output string had sufficient length.
|
|
//
|
|
// Obviously we cannot determine that value from Microsoft's
|
|
// implementation, so we have no choice but to return size.
|
|
|
|
str[size - 1] = '\0';
|
|
return size;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
=============
|
|
Q_strncpyz
|
|
|
|
Safe strncpy that ensures a trailing zero
|
|
=============
|
|
*/
|
|
void Q_strncpyz( char *dest, const char *src, int destsize ) {
|
|
if ( !dest ) {
|
|
Com_Error( ERR_FATAL, "Q_strncpyz: NULL dest" );
|
|
}
|
|
if ( !src ) {
|
|
Com_Error( ERR_FATAL, "Q_strncpyz: NULL src" );
|
|
}
|
|
if ( destsize < 1 ) {
|
|
Com_Error(ERR_FATAL,"Q_strncpyz: destsize < 1" );
|
|
}
|
|
|
|
strncpy( dest, src, destsize-1 );
|
|
dest[destsize-1] = 0;
|
|
}
|
|
|
|
int Q_stricmpn (const char *s1, const char *s2, int n) {
|
|
int c1, c2;
|
|
|
|
if ( s1 == NULL ) {
|
|
if ( s2 == NULL )
|
|
return 0;
|
|
else
|
|
return -1;
|
|
}
|
|
else if ( s2==NULL )
|
|
return 1;
|
|
|
|
|
|
|
|
do {
|
|
c1 = *s1++;
|
|
c2 = *s2++;
|
|
|
|
if (!n--) {
|
|
return 0; // strings are equal until end point
|
|
}
|
|
|
|
if (c1 != c2) {
|
|
if (c1 >= 'a' && c1 <= 'z') {
|
|
c1 -= ('a' - 'A');
|
|
}
|
|
if (c2 >= 'a' && c2 <= 'z') {
|
|
c2 -= ('a' - 'A');
|
|
}
|
|
if (c1 != c2) {
|
|
return c1 < c2 ? -1 : 1;
|
|
}
|
|
}
|
|
} while (c1);
|
|
|
|
return 0; // strings are equal
|
|
}
|
|
|
|
int Q_strncmp (const char *s1, const char *s2, int n) {
|
|
int c1, c2;
|
|
|
|
do {
|
|
c1 = *s1++;
|
|
c2 = *s2++;
|
|
|
|
if (!n--) {
|
|
return 0; // strings are equal until end point
|
|
}
|
|
|
|
if (c1 != c2) {
|
|
return c1 < c2 ? -1 : 1;
|
|
}
|
|
} while (c1);
|
|
|
|
return 0; // strings are equal
|
|
}
|
|
|
|
int Q_stricmp (const char *s1, const char *s2) {
|
|
return (s1 && s2) ? Q_stricmpn (s1, s2, 99999) : -1;
|
|
}
|
|
|
|
|
|
char *Q_strlwr( char *s1 ) {
|
|
char *s;
|
|
|
|
s = s1;
|
|
while ( *s ) {
|
|
*s = tolower(*s);
|
|
s++;
|
|
}
|
|
return s1;
|
|
}
|
|
|
|
char *Q_strupr( char *s1 ) {
|
|
char *s;
|
|
|
|
s = s1;
|
|
while ( *s ) {
|
|
*s = toupper(*s);
|
|
s++;
|
|
}
|
|
return s1;
|
|
}
|
|
|
|
|
|
// never goes past bounds or leaves without a terminating 0
|
|
void Q_strcat( char *dest, int size, const char *src ) {
|
|
int l1;
|
|
|
|
l1 = strlen( dest );
|
|
if ( l1 >= size ) {
|
|
Com_Error( ERR_FATAL, "Q_strcat: already overflowed" );
|
|
}
|
|
Q_strncpyz( dest + l1, src, size - l1 );
|
|
}
|
|
|
|
/*
|
|
* Find the first occurrence of find in s.
|
|
*/
|
|
const char *Q_stristr( const char *s, const char *find)
|
|
{
|
|
char c, sc;
|
|
size_t len;
|
|
|
|
if ((c = *find++) != 0)
|
|
{
|
|
if (c >= 'a' && c <= 'z')
|
|
{
|
|
c -= ('a' - 'A');
|
|
}
|
|
len = strlen(find);
|
|
do
|
|
{
|
|
do
|
|
{
|
|
if ((sc = *s++) == 0)
|
|
return NULL;
|
|
if (sc >= 'a' && sc <= 'z')
|
|
{
|
|
sc -= ('a' - 'A');
|
|
}
|
|
} while (sc != c);
|
|
} while (Q_stricmpn(s, find, len) != 0);
|
|
s--;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
|
|
int Q_PrintStrlen( const char *string ) {
|
|
int len;
|
|
const char *p;
|
|
|
|
if( !string ) {
|
|
return 0;
|
|
}
|
|
|
|
len = 0;
|
|
p = string;
|
|
while( *p ) {
|
|
if( Q_IsColorString( p ) ) {
|
|
p += 2;
|
|
continue;
|
|
}
|
|
p++;
|
|
len++;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
|
|
char *Q_CleanStr( char *string ) {
|
|
char* d;
|
|
char* s;
|
|
int c;
|
|
|
|
s = string;
|
|
d = string;
|
|
while ((c = *s) != 0 ) {
|
|
if ( Q_IsColorString( s ) ) {
|
|
s++;
|
|
}
|
|
else if ( c >= 0x20 && c <= 0x7E ) {
|
|
*d++ = c;
|
|
}
|
|
s++;
|
|
}
|
|
*d = '\0';
|
|
|
|
return string;
|
|
}
|
|
|
|
int Q_CountChar(const char *string, char tocount)
|
|
{
|
|
int count;
|
|
|
|
for(count = 0; *string; string++)
|
|
{
|
|
if(*string == tocount)
|
|
count++;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
int QDECL Com_sprintf(char *dest, int size, const char *fmt, ...)
|
|
{
|
|
int len;
|
|
va_list argptr;
|
|
|
|
va_start (argptr,fmt);
|
|
len = Q_vsnprintf(dest, size, fmt, argptr);
|
|
va_end (argptr);
|
|
|
|
if(len >= size)
|
|
Com_Printf("Com_sprintf: Output length %d too short, require %d bytes.\n", size, len + 1);
|
|
|
|
return len;
|
|
}
|
|
|
|
/*
|
|
============
|
|
va
|
|
|
|
does a varargs printf into a temp buffer, so I don't need to have
|
|
varargs versions of all text functions.
|
|
============
|
|
*/
|
|
char * QDECL va( char *format, ... ) {
|
|
va_list argptr;
|
|
static char string[2][32000]; // in case va is called by nested functions
|
|
static int index = 0;
|
|
char *buf;
|
|
|
|
buf = string[index & 1];
|
|
index++;
|
|
|
|
va_start (argptr, format);
|
|
Q_vsnprintf (buf, sizeof(*string), format, argptr);
|
|
va_end (argptr);
|
|
|
|
return buf;
|
|
}
|
|
|
|
/*
|
|
============
|
|
Com_TruncateLongString
|
|
|
|
Assumes buffer is atleast TRUNCATE_LENGTH big
|
|
============
|
|
*/
|
|
void Com_TruncateLongString( char *buffer, const char *s )
|
|
{
|
|
int length = strlen( s );
|
|
|
|
if( length <= TRUNCATE_LENGTH )
|
|
Q_strncpyz( buffer, s, TRUNCATE_LENGTH );
|
|
else
|
|
{
|
|
Q_strncpyz( buffer, s, ( TRUNCATE_LENGTH / 2 ) - 3 );
|
|
Q_strcat( buffer, TRUNCATE_LENGTH, " ... " );
|
|
Q_strcat( buffer, TRUNCATE_LENGTH, s + length - ( TRUNCATE_LENGTH / 2 ) + 3 );
|
|
}
|
|
}
|
|
|
|
/*
|
|
=====================================================================
|
|
|
|
INFO STRINGS
|
|
|
|
=====================================================================
|
|
*/
|
|
|
|
/*
|
|
===============
|
|
Info_ValueForKey
|
|
|
|
Searches the string for the given
|
|
key and returns the associated value, or an empty string.
|
|
FIXME: overflow check?
|
|
===============
|
|
*/
|
|
char *Info_ValueForKey( const char *s, const char *key ) {
|
|
char pkey[BIG_INFO_KEY];
|
|
static char value[2][BIG_INFO_VALUE]; // use two buffers so compares
|
|
// work without stomping on each other
|
|
static int valueindex = 0;
|
|
char *o;
|
|
|
|
if ( !s || !key ) {
|
|
return "";
|
|
}
|
|
|
|
if ( strlen( s ) >= BIG_INFO_STRING ) {
|
|
Com_Error( ERR_DROP, "Info_ValueForKey: oversize infostring" );
|
|
}
|
|
|
|
valueindex ^= 1;
|
|
if (*s == '\\')
|
|
s++;
|
|
while (1)
|
|
{
|
|
o = pkey;
|
|
while (*s != '\\')
|
|
{
|
|
if (!*s)
|
|
return "";
|
|
*o++ = *s++;
|
|
}
|
|
*o = 0;
|
|
s++;
|
|
|
|
o = value[valueindex];
|
|
|
|
while (*s != '\\' && *s)
|
|
{
|
|
*o++ = *s++;
|
|
}
|
|
*o = 0;
|
|
|
|
if (!Q_stricmp (key, pkey) )
|
|
return value[valueindex];
|
|
|
|
if (!*s)
|
|
break;
|
|
s++;
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
|
|
/*
|
|
===================
|
|
Info_NextPair
|
|
|
|
Used to itterate through all the key/value pairs in an info string
|
|
===================
|
|
*/
|
|
void Info_NextPair( const char **head, char *key, char *value ) {
|
|
char *o;
|
|
const char *s;
|
|
|
|
s = *head;
|
|
|
|
if ( *s == '\\' ) {
|
|
s++;
|
|
}
|
|
key[0] = 0;
|
|
value[0] = 0;
|
|
|
|
o = key;
|
|
while ( *s != '\\' ) {
|
|
if ( !*s ) {
|
|
*o = 0;
|
|
*head = s;
|
|
return;
|
|
}
|
|
*o++ = *s++;
|
|
}
|
|
*o = 0;
|
|
s++;
|
|
|
|
o = value;
|
|
while ( *s != '\\' && *s ) {
|
|
*o++ = *s++;
|
|
}
|
|
*o = 0;
|
|
|
|
*head = s;
|
|
}
|
|
|
|
|
|
/*
|
|
===================
|
|
Info_RemoveKey
|
|
===================
|
|
*/
|
|
void Info_RemoveKey( char *s, const char *key ) {
|
|
char *start;
|
|
char pkey[MAX_INFO_KEY];
|
|
char value[MAX_INFO_VALUE];
|
|
char *o;
|
|
|
|
if ( strlen( s ) >= MAX_INFO_STRING ) {
|
|
Com_Error( ERR_DROP, "Info_RemoveKey: oversize infostring" );
|
|
}
|
|
|
|
if (strchr (key, '\\')) {
|
|
return;
|
|
}
|
|
|
|
while (1)
|
|
{
|
|
start = s;
|
|
if (*s == '\\')
|
|
s++;
|
|
o = pkey;
|
|
while (*s != '\\')
|
|
{
|
|
if (!*s)
|
|
return;
|
|
*o++ = *s++;
|
|
}
|
|
*o = 0;
|
|
s++;
|
|
|
|
o = value;
|
|
while (*s != '\\' && *s)
|
|
{
|
|
if (!*s)
|
|
return;
|
|
*o++ = *s++;
|
|
}
|
|
*o = 0;
|
|
|
|
if (!strcmp (key, pkey) )
|
|
{
|
|
memmove(start, s, strlen(s) + 1); // remove this part
|
|
|
|
return;
|
|
}
|
|
|
|
if (!*s)
|
|
return;
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
===================
|
|
Info_RemoveKey_Big
|
|
===================
|
|
*/
|
|
void Info_RemoveKey_Big( char *s, const char *key ) {
|
|
char *start;
|
|
char pkey[BIG_INFO_KEY];
|
|
char value[BIG_INFO_VALUE];
|
|
char *o;
|
|
|
|
if ( strlen( s ) >= BIG_INFO_STRING ) {
|
|
Com_Error( ERR_DROP, "Info_RemoveKey_Big: oversize infostring" );
|
|
}
|
|
|
|
if (strchr (key, '\\')) {
|
|
return;
|
|
}
|
|
|
|
while (1)
|
|
{
|
|
start = s;
|
|
if (*s == '\\')
|
|
s++;
|
|
o = pkey;
|
|
while (*s != '\\')
|
|
{
|
|
if (!*s)
|
|
return;
|
|
*o++ = *s++;
|
|
}
|
|
*o = 0;
|
|
s++;
|
|
|
|
o = value;
|
|
while (*s != '\\' && *s)
|
|
{
|
|
if (!*s)
|
|
return;
|
|
*o++ = *s++;
|
|
}
|
|
*o = 0;
|
|
|
|
if (!strcmp (key, pkey) )
|
|
{
|
|
memmove(start, s, strlen(s) + 1); // remove this part
|
|
return;
|
|
}
|
|
|
|
if (!*s)
|
|
return;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
==================
|
|
Info_Validate
|
|
|
|
Some characters are illegal in info strings because they
|
|
can mess up the server's parsing
|
|
==================
|
|
*/
|
|
qboolean Info_Validate( const char *s ) {
|
|
if ( strchr( s, '\"' ) ) {
|
|
return qfalse;
|
|
}
|
|
if ( strchr( s, ';' ) ) {
|
|
return qfalse;
|
|
}
|
|
return qtrue;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
Info_SetValueForKey
|
|
|
|
Changes or adds a key/value pair
|
|
==================
|
|
*/
|
|
void Info_SetValueForKey( char *s, const char *key, const char *value ) {
|
|
char newi[MAX_INFO_STRING];
|
|
const char* blacklist = "\\;\"";
|
|
|
|
if ( strlen( s ) >= MAX_INFO_STRING ) {
|
|
Com_Error( ERR_DROP, "Info_SetValueForKey: oversize infostring" );
|
|
}
|
|
|
|
for(; *blacklist; ++blacklist)
|
|
{
|
|
if (strchr (key, *blacklist) || strchr (value, *blacklist))
|
|
{
|
|
Com_Printf (S_COLOR_YELLOW "Can't use keys or values with a '%c': %s = %s\n", *blacklist, key, value);
|
|
return;
|
|
}
|
|
}
|
|
|
|
Info_RemoveKey (s, key);
|
|
if (!value || !strlen(value))
|
|
return;
|
|
|
|
Com_sprintf (newi, sizeof(newi), "\\%s\\%s", key, value);
|
|
|
|
if (strlen(newi) + strlen(s) >= MAX_INFO_STRING)
|
|
{
|
|
Com_Printf ("Info string length exceeded\n");
|
|
return;
|
|
}
|
|
|
|
strcat (newi, s);
|
|
strcpy (s, newi);
|
|
}
|
|
|
|
/*
|
|
==================
|
|
Info_SetValueForKey_Big
|
|
|
|
Changes or adds a key/value pair
|
|
Includes and retains zero-length values
|
|
==================
|
|
*/
|
|
void Info_SetValueForKey_Big( char *s, const char *key, const char *value ) {
|
|
char newi[BIG_INFO_STRING];
|
|
const char* blacklist = "\\;\"";
|
|
|
|
if ( strlen( s ) >= BIG_INFO_STRING ) {
|
|
Com_Error( ERR_DROP, "Info_SetValueForKey: oversize infostring" );
|
|
}
|
|
|
|
for(; *blacklist; ++blacklist)
|
|
{
|
|
if (strchr (key, *blacklist) || strchr (value, *blacklist))
|
|
{
|
|
Com_Printf (S_COLOR_YELLOW "Can't use keys or values with a '%c': %s = %s\n", *blacklist, key, value);
|
|
return;
|
|
}
|
|
}
|
|
|
|
Info_RemoveKey_Big (s, key);
|
|
if (!value)
|
|
return;
|
|
|
|
Com_sprintf (newi, sizeof(newi), "\\%s\\%s", key, value);
|
|
|
|
if (strlen(newi) + strlen(s) >= BIG_INFO_STRING)
|
|
{
|
|
Com_Printf ("BIG Info string length exceeded\n");
|
|
return;
|
|
}
|
|
|
|
strcat (s, newi);
|
|
}
|
|
|
|
|
|
|
|
|
|
//====================================================================
|
|
|
|
/*
|
|
==================
|
|
Com_CharIsOneOfCharset
|
|
==================
|
|
*/
|
|
static qboolean Com_CharIsOneOfCharset( char c, char *set )
|
|
{
|
|
int i;
|
|
|
|
for( i = 0; i < strlen( set ); i++ )
|
|
{
|
|
if( set[ i ] == c )
|
|
return qtrue;
|
|
}
|
|
|
|
return qfalse;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
Com_SkipCharset
|
|
==================
|
|
*/
|
|
char *Com_SkipCharset( char *s, char *sep )
|
|
{
|
|
char *p = s;
|
|
|
|
while( p )
|
|
{
|
|
if( Com_CharIsOneOfCharset( *p, sep ) )
|
|
p++;
|
|
else
|
|
break;
|
|
}
|
|
|
|
return p;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
Com_SkipTokens
|
|
==================
|
|
*/
|
|
char *Com_SkipTokens( char *s, int numTokens, char *sep )
|
|
{
|
|
int sepCount = 0;
|
|
char *p = s;
|
|
|
|
while( sepCount < numTokens )
|
|
{
|
|
if( Com_CharIsOneOfCharset( *p++, sep ) )
|
|
{
|
|
sepCount++;
|
|
while( Com_CharIsOneOfCharset( *p, sep ) )
|
|
p++;
|
|
}
|
|
else if( *p == '\0' )
|
|
break;
|
|
}
|
|
|
|
if( sepCount == numTokens )
|
|
return p;
|
|
else
|
|
return s;
|
|
}
|