1370 lines
23 KiB
C
1370 lines
23 KiB
C
// Copyright (C) 1999-2000 Id Software, Inc.
|
|
//
|
|
// 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_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 ) {
|
|
while ( *in && *in != '.' ) {
|
|
*out++ = *in++;
|
|
}
|
|
*out = 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) {
|
|
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_ParseString
|
|
===============
|
|
*/
|
|
qboolean COM_ParseString( const char **data, const char **s )
|
|
{
|
|
// *s = COM_ParseExt( data, qtrue );
|
|
*s = COM_ParseExt( data, qfalse );
|
|
if ( s[0] == 0 )
|
|
{
|
|
Com_Printf("unexpected EOF\n");
|
|
return qtrue;
|
|
}
|
|
return qfalse;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
COM_ParseInt
|
|
===============
|
|
*/
|
|
qboolean COM_ParseInt( const char **data, int *i )
|
|
{
|
|
const char *token;
|
|
|
|
token = COM_ParseExt( data, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
Com_Printf( "unexpected EOF\n" );
|
|
return qtrue;
|
|
}
|
|
|
|
*i = atoi( token );
|
|
return qfalse;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
COM_ParseFloat
|
|
===============
|
|
*/
|
|
qboolean COM_ParseFloat( const char **data, float *f )
|
|
{
|
|
const char *token;
|
|
|
|
token = COM_ParseExt( data, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
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, ")" );
|
|
}
|
|
|
|
|
|
/*
|
|
============================================================================
|
|
|
|
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( 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( 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);
|
|
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;
|
|
}
|
|
|
|
//====================================================================
|
|
|
|
|