snapshot: use (void *) instead of (char *)

[model-checker.git] / snapshot.cc

diff --git a/snapshot.cc b/snapshot.cc
index db597a2a0f7fa5dd8e43aa67129cfa9341cc563a..af4284361d61f076c16c12675945ec5d364b968c 100644 (file)
--- a/snapshot.cc
+++ b/snapshot.cc
@@ -108,11 +108,11 @@ void createSharedLibrary(){
        int fd = shm_open( "/ModelChecker-Snapshotter", O_RDWR | O_CREAT, 0777 ); //universal permissions.
        if( -1 == fd ) FAILURE("shm_open");
        if( -1 == ftruncate( fd, ( size_t )SHARED_MEMORY_DEFAULT + ( size_t )STACK_SIZE_DEFAULT ) ) FAILURE( "ftruncate" );
-       char * memMapBase = ( char * ) mmap( 0, ( size_t )SHARED_MEMORY_DEFAULT + ( size_t )STACK_SIZE_DEFAULT, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 );
+       void * memMapBase = mmap( 0, ( size_t )SHARED_MEMORY_DEFAULT + ( size_t )STACK_SIZE_DEFAULT, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 );
        if( MAP_FAILED == memMapBase ) FAILURE("mmap");
        sTheRecord = ( struct Snapshot * )memMapBase;
-       sTheRecord->mSharedMemoryBase = memMapBase + sizeof( struct Snapshot );
-       sTheRecord->mStackBase = ( char * )memMapBase + ( size_t )SHARED_MEMORY_DEFAULT;
+       sTheRecord->mSharedMemoryBase = (void *)((uintptr_t)memMapBase + sizeof(struct Snapshot));
+       sTheRecord->mStackBase = (void *)((uintptr_t)memMapBase + (size_t)SHARED_MEMORY_DEFAULT);
        sTheRecord->mStackSize = STACK_SIZE_DEFAULT;
        sTheRecord->mIDToRollback = -1;
        sTheRecord->currSnapShotID = 0;