[svn-r28426] Fixed all maybe-uninitialized warnings from gcc 5.2.

Tested on Ubuntu 15.10 (Linux 4.2.0 x86_64) gcc 5.2.1
    serial only

9 files changed, 25 insertions, 25 deletions

diff --git a/src/H5AC.c b/src/H5AC.c
index 5f62325..6e36506 100644
--- a/src/H5AC.c
+++ b/src/H5AC.c
@@ -1229,10 +1229,10 @@ H5AC_protect(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr,
     FILE *              trace_file_ptr = NULL;
 #endif /* H5AC__TRACE_FILE_ENABLED */
     unsigned		protect_flags = H5C__NO_FLAGS_SET;
-    void *		thing;          /* Pointer to native data structure for entry */
+    void *thing = NULL;                 /* Pointer to native data structure for entry */
     hbool_t log_enabled;                /* TRUE if logging was set up */
     hbool_t curr_logging;               /* TRUE if currently logging */
-    void *		ret_value = NULL;       /* Return value */
+    void *ret_value = NULL;             /* Return value */
 
     FUNC_ENTER_NOAPI(NULL)
 
diff --git a/src/H5F.c b/src/H5F.c
index 1d03132..3b1e8a0 100644
--- a/src/H5F.c
+++ b/src/H5F.c
@@ -1602,7 +1602,7 @@ done:
 herr_t
 H5Fstart_swmr_write(hid_t file_id)
 {
-    H5F_t *file;                /* File info */
+    H5F_t *file = NULL;         /* File info */
     size_t grp_dset_count=0; 	/* # of open objects: groups & datasets */
     size_t nt_attr_count=0; 	/* # of opened named datatypes  + opened attributes */
     hid_t *obj_ids=NULL;	/* List of ids */
diff --git a/src/H5FS.c b/src/H5FS.c
index e52b03b..30ea330 100644
--- a/src/H5FS.c
+++ b/src/H5FS.c
@@ -191,7 +191,7 @@ H5FS_open(H5F_t *f, hid_t dxpl_id, haddr_t fs_addr, uint16_t nclasses,
 {
     H5FS_t *fspace = NULL;              /* New free space structure */
     H5FS_hdr_cache_ud_t cache_udata;    /* User-data for metadata cache callback */
-    H5FS_t *ret_value;                  /* Return value */
+    H5FS_t *ret_value = NULL;           /* Return value */
 
     FUNC_ENTER_NOAPI_TAG(dxpl_id, H5AC__FREESPACE_TAG, NULL)
 #ifdef H5FS_DEBUG
diff --git a/src/H5Oproxy.c b/src/H5Oproxy.c
index f5a4315..bf1d6c8 100644
--- a/src/H5Oproxy.c
+++ b/src/H5Oproxy.c
@@ -175,7 +175,7 @@ H5O__cache_proxy_deserialize(const void H5_ATTR_UNUSED *_image, size_t H5_ATTR_U
 {
     H5O_proxy_t          *proxy = NULL;				/* Object header proxy */
     H5O_proxy_cache_ud_t *udata = (H5O_proxy_cache_ud_t *)_udata;	/* User data for callback */
-    H5O_proxy_t          *ret_value;  				/* Return value */
+    H5O_proxy_t          *ret_value = NULL;  				/* Return value */
 
     FUNC_ENTER_STATIC
 
diff --git a/test/accum.c b/test/accum.c
index 5ac2aaa..3b81cca 100644
--- a/test/accum.c
+++ b/test/accum.c
@@ -1813,7 +1813,7 @@ test_swmr_write_big(hbool_t new)
     hid_t fid = -1;			    /* File ID */
     hid_t fapl = -1;			/* File access property list */
     H5F_t *rf = NULL;			/* File pointer */
-    uint8_t *wbuf2, *rbuf;      /* Buffers for reading & writing */
+    uint8_t *wbuf2 = NULL, *rbuf = NULL;      /* Buffers for reading & writing */
     uint8_t wbuf[1024];			/* Buffer for reading & writing */
     unsigned u;                 /* Local index variable */
 #ifdef H5_HAVE_UNISTD_H
diff --git a/test/cache.c b/test/cache.c
index ccc2f2e..3a4a0da 100644
--- a/test/cache.c
+++ b/test/cache.c
@@ -17160,10 +17160,10 @@ static unsigned
 check_protect_retries(void)
 {
     H5F_t * file_ptr = NULL;
-    H5C_t *cache_ptr;
-    test_entry_t *base_addr;
-    test_entry_t *entry_ptr;
-    H5C_cache_entry_t * cache_entry_ptr;
+    H5C_t *cache_ptr = NULL;
+    test_entry_t *base_addr = NULL;
+    test_entry_t *entry_ptr = NULL;
+    H5C_cache_entry_t * cache_entry_ptr = NULL;
     int32_t type;
     int32_t idx;
 
diff --git a/test/dsets.c b/test/dsets.c
index 45f5cd0..5b0823b 100644
--- a/test/dsets.c
+++ b/test/dsets.c
@@ -9746,8 +9746,8 @@ error:
 static herr_t 
 test_idx_compatible(void)
 {
-    hid_t	fid;		/* File id */
-    hid_t       did;		/* Dataset id */
+    hid_t	fid = -1;		/* File id */
+    hid_t       did = -1;		/* Dataset id */
     const char  *filename = NULL;  /* old test file name */
     unsigned    j;              /* Local index variable */
     H5D_chunk_index_t idx_type; /* Chunked dataset index type */
@@ -9818,10 +9818,10 @@ error:
 static herr_t
 test_unfiltered_edge_chunks(hid_t fapl)
 {
-    hid_t       fid;            /* File id */
-    hid_t       did;            /* Dataset id */
-    hid_t       sid;            /* Dataspace id */
-    hid_t       dcpl;           /* DCPL id */
+    hid_t       fid = -1;            /* File id */
+    hid_t       did = -1;            /* Dataset id */
+    hid_t       sid = -1;            /* Dataspace id */
+    hid_t       dcpl = -1;           /* DCPL id */
     hsize_t     dim[2] = {4, 3}; /* Dataset dimensions */
     hsize_t     cdim[2] = {2, 2}; /* Chunk dimension */
     char        wbuf[4][3];     /* Write buffer */
diff --git a/test/swmr.c b/test/swmr.c
index 38f4afb..907737b 100644
--- a/test/swmr.c
+++ b/test/swmr.c
@@ -3767,8 +3767,8 @@ error:
 static int
 test_file_lock_same(hid_t in_fapl)
 {
-    hid_t fid, fid2;    		/* File IDs */
-    hid_t fapl;				/* File access property list */
+    hid_t fid = -1, fid2 = -1;    		/* File IDs */
+    hid_t fapl = -1;				/* File access property list */
     unsigned intent;    		/* File access flags */
     char filename[NAME_BUF_SIZE];       /* file name */
 
@@ -4218,8 +4218,8 @@ error:
 static int
 test_file_lock_concur(hid_t in_fapl)
 {
-    hid_t fid;    			/* File ID */
-    hid_t fapl;                 	/* File access property list */
+    hid_t fid = -1;    			/* File ID */
+    hid_t fapl = -1;                 	/* File access property list */
     char filename[NAME_BUF_SIZE];       /* file name */
     pid_t childpid=0;			/* Child process ID */
     int child_status;			/* Status passed to waitpid */
diff --git a/tools/h5stat/h5stat_gentest.c b/tools/h5stat/h5stat_gentest.c
index b91f52e..02bd136 100644
--- a/tools/h5stat/h5stat_gentest.c
+++ b/tools/h5stat/h5stat_gentest.c
@@ -352,11 +352,11 @@ error:
 static void 
 gen_idx_file(const char *fname)
 {
-    hid_t	fapl;		    /* file access property id */
-    hid_t	fid;	            /* file id */
-    hid_t   	sid;	            /* space id */
-    hid_t	dcpl;	    	    /* dataset creation property id */
-    hid_t	did, did2;	    /* dataset id */
+    hid_t	fapl = -1;		    /* file access property id */
+    hid_t	fid = -1;	            /* file id */
+    hid_t   	sid = -1;	            /* space id */
+    hid_t	dcpl = -1;	    	    /* dataset creation property id */
+    hid_t	did = -1, did2 = -1;	    /* dataset id */
     hsize_t 	dims[1] = {10};     /* dataset dimension */
     hsize_t 	c_dims[1] = {2};    /* chunk dimension */
     int		i;		    /* local index variable */