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-rw-r--r--src/H5Fint.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/H5Fint.c b/src/H5Fint.c
index 5d03b3b..2e8771c 100644
--- a/src/H5Fint.c
+++ b/src/H5Fint.c
@@ -853,7 +853,7 @@ htri_t
H5F__is_hdf5(const char *name, hid_t fapl_id)
{
H5FD_t *file = NULL; /* Low-level file struct */
- haddr_t sig_addr; /* Addess of hdf5 file signature */
+ haddr_t sig_addr = HADDR_UNDEF; /* Addess of hdf5 file signature */
htri_t ret_value = FAIL; /* Return value */
FUNC_ENTER_PACKAGE