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Merged revisions 64114 via svnmerge from

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........
  r64114 | gregory.p.smith | 2008-06-11 09:41:16 +0200 (mer., 11 juin 2008) | 6 lines

  Merge in release25-maint r60793:

   Added checks for integer overflows, contributed by Google. Some are
   only available if asserts are left in the code, in cases where they
   can't be triggered from Python code.
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This commit is contained in:
Amaury Forgeot d'Arc 2008-06-18 00:47:36 +00:00
parent 036aa5433e
commit 9c74b14fe9
16 changed files with 299 additions and 44 deletions
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12
Include/pymem.h
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@ -85,14 +85,18 @@ PyAPI_FUNC(void) PyMem_Free(void *);
*/
#define PyMem_New(type, n) \
( (type *) PyMem_Malloc((n) * sizeof(type)) )
( assert((n) <= PY_SIZE_MAX / sizeof(type)) , \
( (type *) PyMem_Malloc((n) * sizeof(type)) ) )
#define PyMem_NEW(type, n) \
( (type *) PyMem_MALLOC((n) * sizeof(type)) )
( assert((n) <= PY_SIZE_MAX / sizeof(type)) , \
( (type *) PyMem_MALLOC((n) * sizeof(type)) ) )
#define PyMem_Resize(p, type, n) \
( (p) = (type *) PyMem_Realloc((p), (n) * sizeof(type)) )
( assert((n) <= PY_SIZE_MAX / sizeof(type)) , \
( (p) = (type *) PyMem_Realloc((p), (n) * sizeof(type)) ) )
#define PyMem_RESIZE(p, type, n) \
( (p) = (type *) PyMem_REALLOC((p), (n) * sizeof(type)) )
( assert((n) <= PY_SIZE_MAX / sizeof(type)) , \
( (p) = (type *) PyMem_REALLOC((p), (n) * sizeof(type)) ) )
/* PyMem{Del,DEL} are left over from ancient days, and shouldn't be used
* anymore. They're just confusing aliases for PyMem_{Free,FREE} now.