Fixed uninitialized warnings (#360)

* Fixed all -Wsometimes-uninitialized warnings by initializing variables

* Fixed all -Wconditional-uninitialized warnings by initializing variables

* Commit alignment changes from running bin/format_source with clang
version 10.0.1.

Co-authored-by: Larry Knox <lrknox@hdfgroup.org>

1 files changed, 10 insertions, 10 deletions

diff --git a/src/H5SL.c b/src/H5SL.c
index d461efa..166019b 100644
--- a/src/H5SL.c
+++ b/src/H5SL.c
@@ -746,10 +746,10 @@ done:
 static H5SL_node_t *
 H5SL__insert_common(H5SL_t *slist, void *item, const void *key)
 {
-    H5SL_node_t *x;           /* Current node to examine */
-    H5SL_node_t *prev;        /* Node before the new node */
-    uint32_t     hashval = 0; /* Hash value for key */
-    H5SL_node_t *ret_value;   /* Return value */
+    H5SL_node_t *x;                /* Current node to examine */
+    H5SL_node_t *prev;             /* Node before the new node */
+    uint32_t     hashval   = 0;    /* Hash value for key */
+    H5SL_node_t *ret_value = NULL; /* Return value */
 
     FUNC_ENTER_STATIC
 
@@ -1378,9 +1378,9 @@ done:
 void *
 H5SL_search(H5SL_t *slist, const void *key)
 {
-    H5SL_node_t *x;           /* Current node to examine */
-    uint32_t     hashval = 0; /* Hash value for key */
-    void *       ret_value;   /* Return value */
+    H5SL_node_t *x;                /* Current node to examine */
+    uint32_t     hashval   = 0;    /* Hash value for key */
+    void *       ret_value = NULL; /* Return value */
 
     FUNC_ENTER_NOAPI_NOINIT_NOERR
 
@@ -1676,9 +1676,9 @@ done:
 H5SL_node_t *
 H5SL_find(H5SL_t *slist, const void *key)
 {
-    H5SL_node_t *x;           /* Current node to examine */
-    uint32_t     hashval = 0; /* Hash value for key */
-    H5SL_node_t *ret_value;   /* Return value */
+    H5SL_node_t *x;                /* Current node to examine */
+    uint32_t     hashval   = 0;    /* Hash value for key */
+    H5SL_node_t *ret_value = NULL; /* Return value */
 
     FUNC_ENTER_NOAPI_NOINIT_NOERR