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Revert changes of rand() to random() as random() was redefined in quake3.

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This commit is contained in:
Thilo Schulz 2009-05-31 20:24:10 +00:00
parent b40f1507ea
commit e4d0c14f70
5 changed files with 17 additions and 11 deletions
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8
code/client/cl_main.c
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@ -1306,8 +1306,12 @@ void CL_RequestMotd( void ) {
BigShort( cls.updateServer.port ) );
info[0] = 0;
Com_sprintf( cls.updateChallenge, sizeof( cls.updateChallenge ), "%i", (random() << 16) ^ random());
// NOTE TTimo xoring against Com_Milliseconds, otherwise we may not have a true randomization
// only srand I could catch before here is tr_noise.c l:26 srand(1001)
// https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=382
// NOTE: the Com_Milliseconds xoring only affects the lower 16-bit word,
// but I decided it was enough randomization
Com_sprintf( cls.updateChallenge, sizeof( cls.updateChallenge ), "%i", ((rand() << 16) ^ rand()) ^ Com_Milliseconds());
Info_SetValueForKey( info, "challenge", cls.updateChallenge );
Info_SetValueForKey( info, "renderer", cls.glconfig.renderer_string );

8
code/qcommon/common.c
View file

@ -2499,7 +2499,6 @@ static void Com_DetectAltivec(void)
}
}
/*
=================
Com_InitRand
@ -2509,8 +2508,8 @@ Seed the random number generator, if possible with an OS supplied random seed.
static void Com_InitRand(void)
{
unsigned int seed;
if(Sys_Random(&seed, sizeof(seed)))
if(Sys_RandomBytes(&seed, sizeof(seed)))
srand(seed);
else
srand(time(NULL));
@ -3341,7 +3340,8 @@ void Com_RandomBytes( byte *string, int len )
return;
Com_Printf( "Com_RandomBytes: using weak randomization\n" );
srand( time( 0 ) );
for( i = 0; i < len; i++ )
string[i] = (unsigned char)( random() % 255 );
string[i] = (unsigned char)( rand() % 255 );
}

6
code/renderer/tr_noise.c
View file

@ -44,10 +44,12 @@ void R_NoiseInit( void )
{
int i;
srand( 1001 );
for ( i = 0; i < NOISE_SIZE; i++ )
{
s_noise_table[i] = ( float ) ( ( ( random() / ( float ) RAND_MAX ) * 2.0 - 1.0 ) );
s_noise_perm[i] = ( unsigned char ) ( random() / ( float ) RAND_MAX * 255 );
s_noise_table[i] = ( float ) ( ( ( rand() / ( float ) RAND_MAX ) * 2.0 - 1.0 ) );
s_noise_perm[i] = ( unsigned char ) ( rand() / ( float ) RAND_MAX * 255 );
}
}

3
code/server/sv_client.c
View file

@ -72,8 +72,7 @@ void SV_GetChallenge( netadr_t from ) {
if (i == MAX_CHALLENGES) {
// this is the first time this client has asked for a challenge
challenge = &svs.challenges[oldest];
challenge->challenge = ( (random() << 16) ^ random() ) ^ svs.time;
challenge->challenge = ( (rand() << 16) ^ rand() ) ^ svs.time;
challenge->adr = from;
challenge->firstTime = svs.time;
challenge->time = svs.time;

3
code/server/sv_init.c
View file

@ -475,7 +475,8 @@ void SV_SpawnServer( char *server, qboolean killBots ) {
Cvar_Set("cl_paused", "0");
// get a new checksum feed and restart the file system
sv.checksumFeed = ( ((int) random() << 16) ^ random() ) ^ Com_Milliseconds();
srand(Com_Milliseconds());
sv.checksumFeed = ( ((int) rand() << 16) ^ rand() ) ^ Com_Milliseconds();
FS_Restart( sv.checksumFeed );
CM_LoadMap( va("maps/%s.bsp", server), qfalse, &checksum );