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-rw-r--r--src/H5HFcache.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/H5HFcache.c b/src/H5HFcache.c
index 2d1c1f2..ab448ef 100644
--- a/src/H5HFcache.c
+++ b/src/H5HFcache.c
@@ -406,7 +406,7 @@ static herr_t
H5HF__cache_hdr_get_final_load_size(const void *_image, size_t image_len,
void *_udata, size_t *actual_len)
{
- H5HF_hdr_t hdr; /* Temporary fractal heap header */
+ H5HF_hdr_t hdr; /* Temporary fractal heap header */
const uint8_t *image = (const uint8_t *)_image; /* Pointer into into supplied image */
H5HF_hdr_cache_ud_t *udata = (H5HF_hdr_cache_ud_t *)_udata; /* User data for callback */
herr_t ret_value = SUCCEED; /* Return value */
@@ -419,6 +419,12 @@ H5HF__cache_hdr_get_final_load_size(const void *_image, size_t image_len,
HDassert(actual_len);
HDassert(*actual_len == image_len);
+ /* Initialize because GCC 5.5 does not realize that the
+ * H5HF__hdr_prefix_decode() call is sufficient to initialize.
+ * GCC 8 is clever enough to see that the variable is initialized.
+ * TBD condition on compiler version.
+ */
+ hdr.filter_len = 0;
/* Deserialize the fractal heap header's prefix */
if(H5HF__hdr_prefix_decode(&hdr, &image) < 0)
HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, FAIL, "can't decode fractal heap header prefix")