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Text File | 2002-07-01 | 23.4 KB | 1,381 lines |
- // Copyright (C) 2001-2002 Raven Software.
- //
- // q_shared.c -- stateless support routines that are included in each code dll
- #include "q_shared.h"
-
-
- /*
- -------------------------
- GetIDForString
- -------------------------
- */
-
-
- int GetIDForString ( stringID_table_t *table, const char *string )
- {
- int index = 0;
-
- while ( ( table[index].name != NULL ) &&
- ( table[index].name[0] != 0 ) )
- {
- if ( !Q_stricmp( table[index].name, string ) )
- return table[index].id;
-
- index++;
- }
-
- return -1;
- }
-
- /*
- -------------------------
- GetStringForID
- -------------------------
- */
-
- const char *GetStringForID( stringID_table_t *table, int id )
- {
- int index = 0;
-
- while ( ( table[index].name != NULL ) &&
- ( table[index].name[0] != 0 ) )
- {
- if ( table[index].id == id )
- return table[index].name;
-
- index++;
- }
-
- return NULL;
- }
-
- float Com_Clampf( float min, float max, float value )
- {
- if ( value < min )
- {
- return min;
- }
- if ( value > max )
- {
- return max;
- }
- return value;
- }
-
- int Com_Clamp( int min, int max, int value )
- {
- if ( value < min )
- {
- return min;
- }
- if ( value > max )
- {
- return max;
- }
- return value;
- }
-
-
- /*
- ============
- COM_SkipPath
- ============
- */
- char *COM_SkipPath (char *pathname)
- {
- char *last;
-
- last = pathname;
- while (*pathname)
- {
- if (*pathname=='/')
- last = pathname+1;
- pathname++;
- }
- return last;
- }
-
- /*
- ============
- COM_StripExtension
- ============
- */
- void COM_StripExtension( const char *in, char *out ) {
- while ( *in && *in != '.' ) {
- *out++ = *in++;
- }
- *out = 0;
- }
-
-
- /*
- ==================
- COM_DefaultExtension
- ==================
- */
- void COM_DefaultExtension (char *path, int maxSize, const char *extension ) {
- char oldPath[MAX_OSPATH];
- char *src;
-
- //
- // if path doesn't have a .EXT, append extension
- // (extension should include the .)
- //
- src = path + strlen(path) - 1;
-
- while (*src != '/' && src != path) {
- if ( *src == '.' ) {
- return; // it has an extension
- }
- src--;
- }
-
- Q_strncpyz( oldPath, path, sizeof( oldPath ) );
- Com_sprintf( path, maxSize, "%s%s", oldPath, extension );
- }
-
- /*
- ============================================================================
-
- BYTE ORDER FUNCTIONS
-
- ============================================================================
- */
- /*
- // can't just use function pointers, or dll linkage can
- // mess up when qcommon is included in multiple places
- static short (*_BigShort) (short l);
- static short (*_LittleShort) (short l);
- static int (*_BigLong) (int l);
- static int (*_LittleLong) (int l);
- static qint64 (*_BigLong64) (qint64 l);
- static qint64 (*_LittleLong64) (qint64 l);
- static float (*_BigFloat) (const float *l);
- static float (*_LittleFloat) (const float *l);
-
- short BigShort(short l){return _BigShort(l);}
- short LittleShort(short l) {return _LittleShort(l);}
- int BigLong (int l) {return _BigLong(l);}
- int LittleLong (int l) {return _LittleLong(l);}
- qint64 BigLong64 (qint64 l) {return _BigLong64(l);}
- qint64 LittleLong64 (qint64 l) {return _LittleLong64(l);}
- float BigFloat (const float *l) {return _BigFloat(l);}
- float LittleFloat (const float *l) {return _LittleFloat(l);}
- */
-
- short ShortSwap (short l)
- {
- byte b1,b2;
-
- b1 = l&255;
- b2 = (l>>8)&255;
-
- return (b1<<8) + b2;
- }
-
- short ShortNoSwap (short l)
- {
- return l;
- }
-
- int LongSwap (int l)
- {
- byte b1,b2,b3,b4;
-
- b1 = l&255;
- b2 = (l>>8)&255;
- b3 = (l>>16)&255;
- b4 = (l>>24)&255;
-
- return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
- }
-
- int LongNoSwap (int l)
- {
- return l;
- }
-
- qint64 Long64Swap (qint64 ll)
- {
- qint64 result;
-
- result.b0 = ll.b7;
- result.b1 = ll.b6;
- result.b2 = ll.b5;
- result.b3 = ll.b4;
- result.b4 = ll.b3;
- result.b5 = ll.b2;
- result.b6 = ll.b1;
- result.b7 = ll.b0;
-
- return result;
- }
-
- qint64 Long64NoSwap (qint64 ll)
- {
- return ll;
- }
-
- typedef union {
- float f;
- unsigned int i;
- } _FloatByteUnion;
-
- float FloatSwap (const float *f) {
- const _FloatByteUnion *in;
- _FloatByteUnion out;
-
- in = (_FloatByteUnion *)f;
- out.i = LongSwap(in->i);
-
- return out.f;
- }
-
- float FloatNoSwap (const float *f)
- {
- return *f;
- }
-
- /*
- ================
- Swap_Init
- ================
- */
- /*
- void Swap_Init (void)
- {
- byte swaptest[2] = {1,0};
-
- // set the byte swapping variables in a portable manner
- if ( *(short *)swaptest == 1)
- {
- _BigShort = ShortSwap;
- _LittleShort = ShortNoSwap;
- _BigLong = LongSwap;
- _LittleLong = LongNoSwap;
- _BigLong64 = Long64Swap;
- _LittleLong64 = Long64NoSwap;
- _BigFloat = FloatSwap;
- _LittleFloat = FloatNoSwap;
- }
- else
- {
- _BigShort = ShortNoSwap;
- _LittleShort = ShortSwap;
- _BigLong = LongNoSwap;
- _LittleLong = LongSwap;
- _BigLong64 = Long64NoSwap;
- _LittleLong64 = Long64Swap;
- _BigFloat = FloatNoSwap;
- _LittleFloat = FloatSwap;
- }
-
- }
- */
-
- /*
- ============================================================================
-
- PARSING
-
- ============================================================================
- */
-
- static char com_token[MAX_TOKEN_CHARS];
- static char com_parsename[MAX_TOKEN_CHARS];
- static int com_lines;
-
- void COM_BeginParseSession( const char *name )
- {
- com_lines = 0;
- Com_sprintf(com_parsename, sizeof(com_parsename), "%s", name);
- }
-
- int COM_GetCurrentParseLine( void )
- {
- return com_lines;
- }
-
- char *COM_Parse( const char **data_p )
- {
- return COM_ParseExt( data_p, qtrue );
- }
-
- void COM_ParseError( char *format, ... )
- {
- va_list argptr;
- static char string[4096];
-
- va_start (argptr, format);
- vsprintf (string, format, argptr);
- va_end (argptr);
-
- Com_Printf("ERROR: %s, line %d: %s\n", com_parsename, com_lines, string);
- }
-
- void COM_ParseWarning( char *format, ... )
- {
- va_list argptr;
- static char string[4096];
-
- va_start (argptr, format);
- vsprintf (string, format, argptr);
- va_end (argptr);
-
- Com_Printf("WARNING: %s, line %d: %s\n", com_parsename, com_lines, string);
- }
-
- /*
- ==============
- COM_Parse
-
- Parse a token out of a string
- Will never return NULL, just empty strings
-
- If "allowLineBreaks" is qtrue then an empty
- string will be returned if the next token is
- a newline.
- ==============
- */
- const char *SkipWhitespace( const char *data, qboolean *hasNewLines ) {
- int c;
-
- while( (c = *data) <= ' ') {
- if( !c ) {
- return NULL;
- }
- if( c == '\n' ) {
- com_lines++;
- *hasNewLines = qtrue;
- }
- data++;
- }
-
- return data;
- }
-
- int COM_Compress( char *data_p ) {
- char *in, *out;
- int c;
- qboolean newline = qfalse, whitespace = qfalse;
-
- in = out = data_p;
- if (in) {
- while ((c = *in) != 0) {
- // skip double slash comments
- if ( c == '/' && in[1] == '/' ) {
- while (*in && *in != '\n') {
- in++;
- }
- // skip /* */ comments
- } else if ( c == '/' && in[1] == '*' ) {
- while ( *in && ( *in != '*' || in[1] != '/' ) )
- in++;
- if ( *in )
- in += 2;
- // record when we hit a newline
- } else if ( c == '\n' || c == '\r' ) {
- newline = qtrue;
- in++;
- // record when we hit whitespace
- } else if ( c == ' ' || c == '\t') {
- whitespace = qtrue;
- in++;
- // an actual token
- } else {
- // if we have a pending newline, emit it (and it counts as whitespace)
- if (newline) {
- *out++ = '\n';
- newline = qfalse;
- whitespace = qfalse;
- } if (whitespace) {
- *out++ = ' ';
- whitespace = qfalse;
- }
-
- // copy quoted strings unmolested
- if (c == '"') {
- *out++ = c;
- in++;
- while (1) {
- c = *in;
- if (c && c != '"') {
- *out++ = c;
- in++;
- } else {
- break;
- }
- }
- if (c == '"') {
- *out++ = c;
- in++;
- }
- } else {
- *out = c;
- out++;
- in++;
- }
- }
- }
- }
- *out = 0;
- return out - data_p;
- }
-
- char *COM_ParseExt( const char **data_p, qboolean allowLineBreaks )
- {
- int c = 0, len;
- qboolean hasNewLines = qfalse;
- const char *data;
-
- data = *data_p;
- len = 0;
- com_token[0] = 0;
-
- // make sure incoming data is valid
- if ( !data )
- {
- *data_p = NULL;
- return com_token;
- }
-
- while ( 1 )
- {
- // skip whitespace
- data = SkipWhitespace( data, &hasNewLines );
- if ( !data )
- {
- *data_p = NULL;
- return com_token;
- }
- if ( hasNewLines && !allowLineBreaks )
- {
- *data_p = data;
- return com_token;
- }
-
- c = *data;
-
- // skip double slash comments
- if ( c == '/' && data[1] == '/' )
- {
- data += 2;
- while (*data && *data != '\n') {
- data++;
- }
- }
- // skip /* */ comments
- else if ( c=='/' && data[1] == '*' )
- {
- data += 2;
- while ( *data && ( *data != '*' || data[1] != '/' ) )
- {
- data++;
- }
- if ( *data )
- {
- data += 2;
- }
- }
- else
- {
- break;
- }
- }
-
- // 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 (len < MAX_TOKEN_CHARS)
- {
- com_token[len] = c;
- len++;
- }
- }
- }
-
- // parse a regular word
- do
- {
- if (len < MAX_TOKEN_CHARS)
- {
- com_token[len] = c;
- len++;
- }
- data++;
- c = *data;
- if ( c == '\n' )
- com_lines++;
- } while (c>32);
-
- if (len == MAX_TOKEN_CHARS)
- {
- // Com_Printf ("Token exceeded %i chars, discarded.\n", MAX_TOKEN_CHARS);
- len = 0;
- }
- com_token[len] = 0;
-
- *data_p = ( char * ) data;
- return com_token;
- }
-
-
- #if 0
- // no longer used
- /*
- ===============
- COM_ParseInfos
- ===============
- */
- int COM_ParseInfos( char *buf, int max, char infos[][MAX_INFO_STRING] ) {
- char *token;
- int count;
- char key[MAX_TOKEN_CHARS];
-
- count = 0;
-
- while ( 1 ) {
- token = COM_Parse( &buf );
- if ( !token[0] ) {
- break;
- }
- if ( strcmp( token, "{" ) ) {
- Com_Printf( "Missing { in info file\n" );
- break;
- }
-
- if ( count == max ) {
- Com_Printf( "Max infos exceeded\n" );
- break;
- }
-
- infos[count][0] = 0;
- while ( 1 ) {
- token = COM_ParseExt( &buf, qtrue );
- if ( !token[0] ) {
- Com_Printf( "Unexpected end of info file\n" );
- break;
- }
- if ( !strcmp( token, "}" ) ) {
- break;
- }
- Q_strncpyz( key, token, sizeof( key ) );
-
- token = COM_ParseExt( &buf, qfalse );
- if ( !token[0] ) {
- strcpy( token, "<NULL>" );
- }
- Info_SetValueForKey( infos[count], key, token );
- }
- count++;
- }
-
- return count;
- }
- #endif
-
-
- /*
- ==================
- 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, ")" );
- }
-
-
- /*
- ============================================================================
-
- 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;
- }
-
- /*
- =============
- 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( *p == '^' )
- {
- p++;
- if ( *p != '^' )
- {
- p ++;
- 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( *s == '^' )
- {
- s++;
- if( *s == '^' )
- {
- *d++ = '^';
- *d++ = '^';
- }
- }
- else if ( c >= 0x20 && c <= 0x7E )
- {
- *d++ = c;
- }
- s++;
- }
- *d = '\0';
-
- return string;
- }
-
-
- int 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 = vsprintf (bigbuffer,fmt,argptr) + 1;
- 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 for '%s'\n", len, size, fmt);
- #ifdef _DEBUG
- __asm {
- int 3;
- }
- #endif
- }
- Q_strncpyz (dest, bigbuffer, len );
-
- return len-1;
- }
-
-
- /*
- ============
- 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( 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);
- vsprintf (buf, 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);
- }
-
-
- //rww - convience function..
- int Q_irand(int value1, int value2)
- {
- int r;
-
- r = rand()%value2;
- r += value1;
-
- return r;
- }
-
- //====================================================================
- // Generic Keyword hash
- //====================================================================
- int KeywordHash_Key ( char *keyword )
- {
- int register hash, i;
-
- hash = 0;
- for (i = 0; keyword[i] != '\0'; i++)
- {
- if (keyword[i] >= 'A' && keyword[i] <= 'Z')
- hash += (keyword[i] + ('a' - 'A')) * (119 + i);
- else
- hash += keyword[i] * (119 + i);
- }
-
- hash = (hash ^ (hash >> 10) ^ (hash >> 20)) & (KEYWORDHASH_SIZE-1);
-
- return hash;
- }
-
- void KeywordHash_Add( keywordHash_t *table[], keywordHash_t *key )
- {
- int hash;
-
- hash = KeywordHash_Key ( key->name );
-
- /*
- if (table[hash])
- {
- int collision = qtrue;
- }
- */
- key->next = table[hash];
- table[hash] = key;
- }
-
- keywordHash_t *KeywordHash_Find(keywordHash_t *table[], char *keyword)
- {
- keywordHash_t *key;
- int hash;
-
- hash = KeywordHash_Key(keyword);
- for (key = table[hash]; key; key = key->next)
- {
- if (!Q_stricmp(key->name, keyword))
- {
- return key;
- }
- }
-
- return NULL;
- }
-
-