diff options
Diffstat (limited to 'src/qcommon/q_shared.c')
| -rw-r--r-- | src/qcommon/q_shared.c | 1368 |
1 files changed, 1368 insertions, 0 deletions
diff --git a/src/qcommon/q_shared.c b/src/qcommon/q_shared.c new file mode 100644 index 0000000..436a0ca --- /dev/null +++ b/src/qcommon/q_shared.c @@ -0,0 +1,1368 @@ +/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2006 Tim Angus
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+//
+// q_shared.c -- stateless support routines that are included in each code dll
+#include "q_shared.h"
+
+float Com_Clamp( float min, float max, float 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, int destsize ) {
+ int length;
+
+ Q_strncpyz(out, in, destsize);
+
+ length = strlen(out)-1;
+ while (length > 0 && out[length] != '.')
+ {
+ length--;
+ if (out[length] == '/')
+ return; // no extension
+ }
+ if (length)
+ out[length] = 0;
+}
+
+
+/*
+==================
+COM_DefaultExtension
+==================
+*/
+void COM_DefaultExtension (char *path, int maxSize, const char *extension ) {
+ char oldPath[MAX_QPATH];
+ 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) {
+ _FloatByteUnion out;
+
+ out.f = *f;
+ out.i = LongSwap(out.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( 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.
+==============
+*/
+static char *SkipWhitespace( 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( char **data_p, qboolean allowLineBreaks )
+{
+ int c = 0, len;
+ qboolean hasNewLines = qfalse;
+ 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 - 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;
+ if ( c == '\n' )
+ com_lines++;
+ } while (c>32);
+
+ 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( 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 (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 ( char **data ) {
+ char *p;
+ int c;
+
+ p = *data;
+ 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, ")" );
+}
+
+
+/*
+============================================================================
+
+ 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 );
+}
+
+int Q_isdigit( int c )
+{
+ if ((c >= '0' && c <= '9'))
+ 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( 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 = vsprintf (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( 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;
+}
+
+/*
+============
+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) )
+ {
+ 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];
+ 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
+==================
+*/
+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 || !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);
+}
+
+
+
+
+//====================================================================
+
+/*
+==================
+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;
+}
+
+//ROTAX
+#define isvisiblechar(c) (isgraph(c) && c != '"')
+
+void fixLineSpaces( char *result, char *source )
+{
+ char *reader = source;
+ char *writer = result;
+
+ while( *reader )
+ {
+ //Copy all normal characters
+ while ( *reader && isvisiblechar(*reader))
+ {
+ *writer = *reader;
+ reader++;
+ writer++;
+ }
+ if (*reader && !isvisiblechar(*reader))
+ {
+ *writer = ' ';
+ writer++;
+ reader++;
+ }
+ while ( *reader && !isvisiblechar(*reader))
+ {
+ reader++;
+ }
+ }
+ *writer = 0; //End of the line
+}
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