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[qcommon/msg.c] Remove dead code (which had undefined behaviour)

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Thomas Köppe 2016-09-12 12:41:37 +01:00
parent ec3779988c
commit fe111df610
1 changed files with 20 additions and 46 deletions
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40
code/qcommon/msg.c
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@ -101,12 +101,9 @@ bit functions
=============================================================================
*/
int overflows;
// negative bit values include signs
void MSG_WriteBits( msg_t *msg, int value, int bits ) {
int i;
// FILE* fp;
oldsize += bits;
@ -120,50 +117,29 @@ void MSG_WriteBits( msg_t *msg, int value, int bits ) {
Com_Error( ERR_DROP, "MSG_WriteBits: bad bits %i", bits );
}
// check for overflows
if ( bits != 32 ) {
if ( bits > 0 ) {
if ( value > ( ( 1 << bits ) - 1 ) || value < 0 ) {
overflows++;
}
} else {
int r;
r = 1 << (bits-1);
if ( value > r - 1 || value < -r ) {
overflows++;
}
}
}
if ( bits < 0 ) {
bits = -bits;
}
if ( msg->oob ) {
if(bits==8)
{
if ( bits == 8 ) {
msg->data[msg->cursize] = value;
msg->cursize += 1;
msg->bit += 8;
}
else if(bits==16)
{
} else if ( bits == 16 ) {
short temp = value;
CopyLittleShort( &msg->data[msg->cursize], &temp );
msg->cursize += 2;
msg->bit += 16;
}
else if(bits==32)
{
} else if ( bits==32 ) {
CopyLittleLong( &msg->data[msg->cursize], &value );
msg->cursize += 4;
msg->bit += 32;
}
else
Com_Error(ERR_DROP, "can't write %d bits", bits);
} else {
// fp = fopen("c:\\netchan.bin", "a");
Com_Error( ERR_DROP, "can't write %d bits", bits );
}
} else {
value &= (0xffffffff >> (32 - bits));
if ( bits&7 ) {
int nbits;
@ -176,13 +152,11 @@ void MSG_WriteBits( msg_t *msg, int value, int bits ) {
}
if ( bits ) {
for( i = 0; i < bits; i += 8 ) {
// fwrite(bp, 1, 1, fp);
Huff_offsetTransmit( &msgHuff.compressor, (value & 0xff), msg->data, &msg->bit );
value = (value >> 8);
}
}
msg->cursize = (msg->bit >> 3) + 1;
// fclose(fp);
}
}