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Vancouver: zero initialize memory of the heap

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Classes in Vancouver expect to get zero initialised memory when using memory
from the heap. Some classes don't initialize member variables as they should
do.
This commit is contained in:
Alexander Boettcher 2012-09-07 15:28:27 +02:00 committed by Norman Feske
parent 11a262c1af
commit 79b0a7a2c9
1 changed files with 11 additions and 2 deletions
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13
ports/src/vancouver/nova_user_env.cc
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@ -94,13 +94,19 @@ void *heap_alloc(unsigned int size)
void *operator new[](unsigned int size)
{
return heap_alloc(size);
void * addr = heap_alloc(size);
if (addr)
Genode::memset(addr, 0, size);
return addr;
}
void *operator new[](unsigned int size, unsigned int align)
{
void *res = heap_alloc(size + align);
if (res)
Genode::memset(res, 0, size + align);
void *aligned_res = (void *)(((Genode::addr_t)res & ~(align - 1)) + align);
return aligned_res;
}
@ -108,7 +114,10 @@ void *operator new[](unsigned int size, unsigned int align)
void *operator new (unsigned int size)
{
return heap_alloc(size);
void * addr = heap_alloc(size);
if (addr)
Genode::memset(addr, 0, size);
return addr;
}