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Increase alignment to 16. 

committer: mfx <mfx> 1142608657 +0000
This commit is contained in:
Markus F.X.J. Oberhumer 2006-03-17 15:17:37 +00:00
parent 2680aabe06
commit adcb551020
1 changed files with 5 additions and 3 deletions
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8
src/mem.cpp
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@ -60,6 +60,8 @@ static int mcheck_init()
MemBuffer::MemBuffer() :
b(NULL), b_size(0)
{
if (use_mcheck < 0)
mcheck_init();
}
MemBuffer::MemBuffer(unsigned size) :
@ -87,7 +89,7 @@ void MemBuffer::dealloc()
set_be32(b + b_size, 0);
set_be32(b + b_size + 4, 0);
//
::free(b - 8);
::free(b - 16);
}
else
::free(b);
@ -173,7 +175,7 @@ void MemBuffer::alloc(unsigned size)
assert(b_size == 0);
//
assert((int)size > 0);
unsigned total = use_mcheck ? size + 16 : size;
unsigned total = use_mcheck ? size + 32 : size;
assert((int)total > 0);
unsigned char *p = (unsigned char *) malloc(total);
if (!p)
@ -185,7 +187,7 @@ void MemBuffer::alloc(unsigned size)
b_size = size;
if (use_mcheck)
{
b = p + 8;
b = p + 16;
// store magic constants to detect buffer overruns
set_be32(b - 8, b_size);
set_be32(b - 4, MAGIC1(b));