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[svn-r9330] Purpose:

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Bug fix

Description:
    Another attempt to fix the address overflow in the core VFL, hopefully one
that works on 64-bit platforms.

Platforms tested:
    AIX 5.1 (copper)
This commit is contained in:
Quincey Koziol 2004-09-28 14:07:01 -05:00
parent 5c0011a713
commit 85597e5cc7
1 changed files with 3 additions and 4 deletions

7
src/H5FDcore.c
View File

@ -79,10 +79,9 @@ typedef struct H5FD_core_fapl_t {
* REGION_OVERFLOW: Checks whether an address and size pair describe data
* which can be addressed entirely in memory.
*/
#define MAXADDR ((haddr_t)(~(size_t)0))
#define ADDR_OVERFLOW(A) (HADDR_UNDEF==(A) || \
((A) & ~(haddr_t)MAXADDR))
#define SIZE_OVERFLOW(Z) ((Z) & ~(hsize_t)MAXADDR)
#define MAXADDR ((haddr_t)((~(size_t)0)-1))
#define ADDR_OVERFLOW(A) (HADDR_UNDEF==(A) || (A) > (haddr_t)MAXADDR)
#define SIZE_OVERFLOW(Z) ((Z) > (hsize_t)MAXADDR)
#define REGION_OVERFLOW(A,Z) (ADDR_OVERFLOW(A) || SIZE_OVERFLOW(Z) || \
HADDR_UNDEF==(A)+(Z) || \
(size_t)((A)+(Z))<(size_t)(A))