mirror of
https://github.com/ioquake/jedi-academy.git
synced 2024-11-25 13:41:34 +00:00
1437 lines
23 KiB
C
1437 lines
23 KiB
C
// Copyright (C) 1999-2000 Id Software, Inc.
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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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/*
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-------------------------
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GetIDForString
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-------------------------
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*/
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int GetIDForString ( stringID_table_t *table, const char *string )
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{
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int index = 0;
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while ( ( table[index].name != NULL ) &&
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( table[index].name[0] != 0 ) )
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{
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if ( !Q_stricmp( table[index].name, string ) )
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return table[index].id;
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index++;
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}
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return -1;
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}
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/*
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-------------------------
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GetStringForID
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-------------------------
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*/
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const char *GetStringForID( stringID_table_t *table, int id )
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{
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int index = 0;
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while ( ( table[index].name != NULL ) &&
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( table[index].name[0] != 0 ) )
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{
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if ( table[index].id == id )
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return table[index].name;
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index++;
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}
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return NULL;
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}
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int Com_Clampi( int min, int max, int value )
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{
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if ( value < min )
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{
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return min;
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}
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if ( value > max )
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{
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return max;
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}
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return value;
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}
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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_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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const char *dot = strrchr(in, '.'), *slash;
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if (dot && (!(slash = strrchr(in, '/')) || slash < dot))
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Q_strncpyz(out, in, (destsize < dot-in+1 ? destsize : dot-in+1));
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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_DefaultExtension
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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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char oldPath[MAX_QPATH];
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char *src;
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//
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// if path doesn't have a .EXT, append extension
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// (extension should include the .)
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//
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src = path + strlen(path) - 1;
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while (*src != '/' && src != path) {
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if ( *src == '.' ) {
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return; // it has an extension
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}
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src--;
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}
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Q_strncpyz( oldPath, path, sizeof( oldPath ) );
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Com_sprintf( path, maxSize, "%s%s", oldPath, 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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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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typedef union {
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float f;
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unsigned int i;
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} _FloatByteUnion;
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float FloatSwap (const float *f) {
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const _FloatByteUnion *in;
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_FloatByteUnion out;
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in = (_FloatByteUnion *)f;
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out.i = LongSwap(in->i);
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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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void COM_BeginParseSession( const char *name )
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{
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com_lines = 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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return com_lines;
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}
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char *COM_Parse( const 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_lines, 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_lines, 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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const char *SkipWhitespace( const 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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}
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*out = 0;
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return out - data_p;
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}
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char *COM_ParseExt( const 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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const 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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// 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] == '/' )
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{
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data += 2;
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while (*data && *data != '\n') {
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data++;
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}
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}
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// skip /* */ comments
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else if ( c=='/' && data[1] == '*' )
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{
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data += 2;
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while ( *data && ( *data != '*' || data[1] != '/' ) )
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{
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data++;
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}
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if ( *data )
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{
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data += 2;
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}
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}
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else
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{
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break;
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}
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}
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// handle quoted strings
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if (c == '\"')
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{
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data++;
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while (1)
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{
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c = *data++;
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if (c=='\"' || !c)
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{
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com_token[len] = 0;
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*data_p = ( char * ) data;
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return com_token;
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}
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if (len < MAX_TOKEN_CHARS - 1)
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{
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com_token[len] = c;
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len++;
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}
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}
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}
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// parse a regular word
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do
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{
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if (len < MAX_TOKEN_CHARS - 1)
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{
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com_token[len] = c;
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len++;
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}
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data++;
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c = *data;
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if ( c == '\n' )
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com_lines++;
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} while (c>32);
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com_token[len] = 0;
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*data_p = ( char * ) data;
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return com_token;
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}
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#if 0
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// no longer used
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/*
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===============
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COM_ParseInfos
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===============
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*/
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int COM_ParseInfos( char *buf, int max, char infos[][MAX_INFO_STRING] ) {
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char *token;
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int count;
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char key[MAX_TOKEN_CHARS];
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count = 0;
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while ( 1 ) {
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token = COM_Parse( &buf );
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if ( !token[0] ) {
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break;
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}
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if ( strcmp( token, "{" ) ) {
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Com_Printf( "Missing { in info file\n" );
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break;
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}
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if ( count == max ) {
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Com_Printf( "Max infos exceeded\n" );
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break;
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}
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infos[count][0] = 0;
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while ( 1 ) {
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token = COM_ParseExt( &buf, qtrue );
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if ( !token[0] ) {
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Com_Printf( "Unexpected end of info file\n" );
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break;
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}
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if ( !strcmp( token, "}" ) ) {
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break;
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}
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Q_strncpyz( key, token, sizeof( key ) );
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token = COM_ParseExt( &buf, qfalse );
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if ( !token[0] ) {
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strcpy( token, "<NULL>" );
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}
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Info_SetValueForKey( infos[count], key, token );
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}
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count++;
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}
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return count;
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}
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#endif
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|
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/*
|
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===============
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COM_ParseString
|
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===============
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*/
|
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qboolean COM_ParseString( const char **data, const char **s )
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{
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// *s = COM_ParseExt( data, qtrue );
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*s = COM_ParseExt( data, qfalse );
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if ( s[0] == 0 )
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{
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Com_Printf("unexpected EOF\n");
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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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===============
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COM_ParseInt
|
|
===============
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*/
|
|
qboolean COM_ParseInt( const char **data, int *i )
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{
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const char *token;
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token = COM_ParseExt( data, qfalse );
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if ( token[0] == 0 )
|
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{
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Com_Printf( "unexpected EOF\n" );
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return qtrue;
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}
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|
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*i = atoi( token );
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return qfalse;
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}
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|
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/*
|
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===============
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COM_ParseFloat
|
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===============
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*/
|
|
qboolean COM_ParseFloat( const char **data, float *f )
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{
|
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const char *token;
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|
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token = COM_ParseExt( data, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
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Com_Printf( "unexpected EOF\n" );
|
|
return qtrue;
|
|
}
|
|
|
|
*f = atof( token );
|
|
return qfalse;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
COM_ParseVec4
|
|
===============
|
|
*/
|
|
qboolean COM_ParseVec4( const char **buffer, vec4_t *c)
|
|
{
|
|
int i;
|
|
float f;
|
|
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
if (COM_ParseFloat(buffer, &f))
|
|
{
|
|
return qtrue;
|
|
}
|
|
(*c)[i] = f;
|
|
}
|
|
return qfalse;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
COM_MatchToken
|
|
==================
|
|
*/
|
|
void COM_MatchToken( const 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.
|
|
Skips until a matching close brace is found.
|
|
Internal brace depths are properly skipped.
|
|
=================
|
|
*/
|
|
void SkipBracedSection (const char **program) {
|
|
char *token;
|
|
int depth;
|
|
|
|
depth = 0;
|
|
do {
|
|
token = COM_ParseExt( program, qtrue );
|
|
if( token[1] == 0 ) {
|
|
if( token[0] == '{' ) {
|
|
depth++;
|
|
}
|
|
else if( token[0] == '}' ) {
|
|
depth--;
|
|
}
|
|
}
|
|
} while( depth && *program );
|
|
}
|
|
|
|
/*
|
|
=================
|
|
SkipRestOfLine
|
|
=================
|
|
*/
|
|
void SkipRestOfLine ( const char **data ) {
|
|
const char *p;
|
|
int c;
|
|
|
|
p = *data;
|
|
while ( (c = *p++) != 0 ) {
|
|
if ( c == '\n' ) {
|
|
com_lines++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
*data = p;
|
|
}
|
|
|
|
|
|
void Parse1DMatrix (const 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 (const 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 (const 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 || !str[ 0 ] )
|
|
return -1;
|
|
|
|
// check for hex code
|
|
if( str[ 0 ] == '0' && str[ 1 ] == 'x' )
|
|
{
|
|
int i, n = 0;
|
|
|
|
for( i = 2; i < strlen( str ); 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 );
|
|
}
|
|
|
|
char* Q_strrchr( const char* string, int c )
|
|
{
|
|
char cc = c;
|
|
char *s;
|
|
char *sp=(char *)0;
|
|
|
|
s = (char*)string;
|
|
|
|
while (*s)
|
|
{
|
|
if (*s == cc)
|
|
sp = s;
|
|
s++;
|
|
}
|
|
if (cc == 0)
|
|
sp = s;
|
|
|
|
return sp;
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
/*
|
|
=============
|
|
Q_vsnprintf
|
|
|
|
Special wrapper function for Microsoft's broken _vsnprintf() function.
|
|
MinGW comes with its own snprintf() which is not broken.
|
|
=============
|
|
*/
|
|
|
|
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 ) {
|
|
// bk001129 - also NULL dest
|
|
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;
|
|
|
|
// bk001129 - moved in 1.17 fix not in id codebase
|
|
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 );
|
|
}
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
void QDECL Com_sprintf( char *dest, int size, const char *fmt, ...) {
|
|
int len;
|
|
va_list argptr;
|
|
char bigbuffer[32000]; // big, but small enough to fit in PPC stack
|
|
|
|
va_start (argptr,fmt);
|
|
len = Q_vsnprintf (bigbuffer,sizeof(bigbuffer),fmt,argptr);
|
|
va_end (argptr);
|
|
if ( len >= sizeof( bigbuffer ) ) {
|
|
Com_Error( ERR_FATAL, "Com_sprintf: overflowed bigbuffer" );
|
|
}
|
|
if (len >= size) {
|
|
Com_Printf ("Com_sprintf: overflow of %i in %i\n", len, size);
|
|
#ifdef _DEBUG
|
|
__asm {
|
|
int 3;
|
|
}
|
|
#endif
|
|
}
|
|
Q_strncpyz (dest, bigbuffer, size );
|
|
}
|
|
|
|
|
|
/*
|
|
============
|
|
va
|
|
|
|
does a varargs printf into a temp buffer, so I don't need to have
|
|
varargs versions of all text functions.
|
|
FIXME: make this buffer size safe someday
|
|
============
|
|
*/
|
|
char * QDECL va( const 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;
|
|
}
|
|
|
|
|
|
/*
|
|
=====================================================================
|
|
|
|
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) )
|
|
{
|
|
strcpy (start, s); // 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) )
|
|
{
|
|
strcpy (start, s); // 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];
|
|
|
|
if ( strlen( s ) >= MAX_INFO_STRING ) {
|
|
Com_Error( ERR_DROP, "Info_SetValueForKey: oversize infostring" );
|
|
}
|
|
|
|
if (strchr (key, '\\') || strchr (value, '\\'))
|
|
{
|
|
Com_Printf ("Can't use keys or values with a \\\n");
|
|
return;
|
|
}
|
|
|
|
if (strchr (key, ';') || strchr (value, ';'))
|
|
{
|
|
Com_Printf ("Can't use keys or values with a semicolon\n");
|
|
return;
|
|
}
|
|
|
|
if (strchr (key, '\"') || strchr (value, '\"'))
|
|
{
|
|
Com_Printf ("Can't use keys or values with a \"\n");
|
|
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
|
|
==================
|
|
*/
|
|
void Info_SetValueForKey_Big( char *s, const char *key, const char *value ) {
|
|
char newi[BIG_INFO_STRING];
|
|
|
|
if ( strlen( s ) >= BIG_INFO_STRING ) {
|
|
Com_Error( ERR_DROP, "Info_SetValueForKey: oversize infostring" );
|
|
}
|
|
|
|
if (strchr (key, '\\') || strchr (value, '\\'))
|
|
{
|
|
Com_Printf ("Can't use keys or values with a \\\n");
|
|
return;
|
|
}
|
|
|
|
if (strchr (key, ';') || strchr (value, ';'))
|
|
{
|
|
Com_Printf ("Can't use keys or values with a semicolon\n");
|
|
return;
|
|
}
|
|
|
|
if (strchr (key, '\"') || strchr (value, '\"'))
|
|
{
|
|
Com_Printf ("Can't use keys or values with a \"\n");
|
|
return;
|
|
}
|
|
|
|
Info_RemoveKey_Big (s, key);
|
|
if (!value || !strlen(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);
|
|
}
|
|
|
|
//====================================================================
|
|
|
|
|