diff options
| author | Andrey Nazarov <skuller@skuller.net> | 2007-09-22 18:44:50 +0000 |
|---|---|---|
| committer | Andrey Nazarov <skuller@skuller.net> | 2007-09-22 18:44:50 +0000 |
| commit | 8cb1f3121ea0120217d28d48221e9bf6529d073c (patch) | |
| tree | 97584c3623890d16cd169f41fa04450f36ba97b3 /source/common.c | |
| parent | 36432ed920ff260f4904aab1fa816b2f34c592b4 (diff) | |
Fixed nasty bug instroduced by packetized sound message handling due to
uninitialized memory access. Server crashed randomly when someone disconnected.
Added z_perturb cvar to help debug and prevent such problems.
Diffstat (limited to 'source/common.c')
| -rw-r--r-- | source/common.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/source/common.c b/source/common.c index afe079f..0d632e9 100644 --- a/source/common.c +++ b/source/common.c @@ -505,6 +505,8 @@ typedef struct zhead_s { static zhead_t z_chain; +static cvar_t *z_perturb; + typedef struct zstatic_s { zhead_t z; char data[2]; /* !!make sure 'tail' field is aligned properly */ @@ -772,6 +774,11 @@ void *Z_TagMalloc( size_t size, memtag_t tag ) { z_chain.next->prev = z; z_chain.next = z; + if( z_perturb && z_perturb->integer ) { + memset( z + 1, z_perturb->integer, size - + sizeof( zhead_t ) - sizeof( uint16 ) ); + } + *( uint16 * )( ( byte * )z + size - sizeof( uint16 ) ) = Z_TAIL; s = &z_stats[tag < TAG_MAX ? tag : TAG_FREE]; @@ -1385,6 +1392,7 @@ void Qcommon_Init( char *commandLine ) { // // init commands and vars // + z_perturb = Cvar_Get( "z_perturb", "0", 0 ); host_speeds = Cvar_Get ("host_speeds", "0", 0); developer = Cvar_Get ("developer", "0", 0); timescale = Cvar_Get ("timescale", "1", CVAR_CHEAT ); |