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-rw-r--r--src/H5FDsec2.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/H5FDsec2.c b/src/H5FDsec2.c
index ceacaab..5b73475 100644
--- a/src/H5FDsec2.c
+++ b/src/H5FDsec2.c
@@ -114,7 +114,7 @@ typedef struct H5FD_sec2_t {
# /*MSVC*/
# define file_offset_t __int64
# define file_seek _lseeki64
-# define file_truncate _ftruncatei64
+# define file_truncate _chsize
#else
# define file_offset_t off_t
# define file_seek lseek
@@ -141,7 +141,6 @@ typedef struct H5FD_sec2_t {
((A) & ~(haddr_t)MAXADDR))
#define SIZE_OVERFLOW(Z) ((Z) & ~(hsize_t)MAXADDR)
#define REGION_OVERFLOW(A,Z) (ADDR_OVERFLOW(A) || SIZE_OVERFLOW(Z) || \
- sizeof(file_offset_t)<sizeof(size_t) || \
HADDR_UNDEF==(A)+(Z) || \
(file_offset_t)((A)+(Z))<(file_offset_t)(A))
@@ -306,6 +305,9 @@ H5FD_sec2_open(const char *name, unsigned flags, hid_t UNUSED fapl_id,
FUNC_ENTER_NOAPI(H5FD_sec2_open, NULL)
+ /* Sanity check on file offsets */
+ assert(sizeof(file_offset_t)>=sizeof(size_t));
+
/* Check arguments */
if (!name || !*name)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid file name")