diff --git a/src/H5B2int.c b/src/H5B2int.c index 6d704a0dbd3..d9dea3ab175 100644 --- a/src/H5B2int.c +++ b/src/H5B2int.c @@ -139,7 +139,7 @@ H5B2__split1(H5B2_hdr_t *hdr, uint16_t depth, H5B2_node_ptr_t *curr_node_ptr, unsigned idx) { const H5AC_class_t *child_class; /* Pointer to child node's class info */ - haddr_t left_addr, right_addr; /* Addresses of left & right child nodes */ + haddr_t left_addr = 0, right_addr = 0; /* Addresses of left & right child nodes */ void * left_child = NULL, *right_child = NULL; /* Pointers to child nodes */ uint16_t * left_nrec, *right_nrec; /* Pointers to child # of records */ uint8_t * left_native, *right_native; /* Pointers to childs' native records */ @@ -424,7 +424,7 @@ herr_t H5B2__redistribute2(H5B2_hdr_t *hdr, uint16_t depth, H5B2_internal_t *internal, unsigned idx) { const H5AC_class_t *child_class; /* Pointer to child node's class info */ - haddr_t left_addr, right_addr; /* Addresses of left & right child nodes */ + haddr_t left_addr = 0, right_addr = 0; /* Addresses of left & right child nodes */ void * left_child = NULL, *right_child = NULL; /* Pointers to child nodes */ uint16_t * left_nrec, *right_nrec; /* Pointers to child # of records */ uint8_t * left_native, *right_native; /* Pointers to childs' native records */ @@ -699,8 +699,8 @@ H5B2__redistribute3(H5B2_hdr_t *hdr, uint16_t depth, H5B2_internal_t *internal, *right_node_ptrs = NULL; /* Pointers to childs' node pointer info */ H5B2_node_ptr_t * middle_node_ptrs = NULL; /* Pointers to childs' node pointer info */ const H5AC_class_t *child_class; /* Pointer to child node's class info */ - haddr_t left_addr, right_addr; /* Addresses of left & right child nodes */ - haddr_t middle_addr; /* Address of middle child node */ + haddr_t left_addr = 0, right_addr = 0; /* Addresses of left & right child nodes */ + haddr_t middle_addr = 0; /* Address of middle child node */ void * left_child = NULL, *right_child = NULL; /* Pointers to child nodes */ void * middle_child = NULL; /* Pointers to middle child node */ uint16_t * left_nrec, *right_nrec; /* Pointers to child # of records */ @@ -1123,7 +1123,7 @@ H5B2__merge2(H5B2_hdr_t *hdr, uint16_t depth, H5B2_node_ptr_t *curr_node_ptr, unsigned idx) { const H5AC_class_t *child_class; /* Pointer to child node's class info */ - haddr_t left_addr, right_addr; /* Addresses of left & right child nodes */ + haddr_t left_addr = 0, right_addr = 0; /* Addresses of left & right child nodes */ void * left_child = NULL, *right_child = NULL; /* Pointers to left & right child nodes */ uint16_t * left_nrec, *right_nrec; /* Pointers to left & right child # of records */ uint8_t * left_native, *right_native; /* Pointers to left & right children's native records */ @@ -1298,8 +1298,8 @@ H5B2__merge3(H5B2_hdr_t *hdr, uint16_t depth, H5B2_node_ptr_t *curr_node_ptr, unsigned idx) { const H5AC_class_t *child_class; /* Pointer to child node's class info */ - haddr_t left_addr, right_addr; /* Addresses of left & right child nodes */ - haddr_t middle_addr; /* Address of middle child node */ + haddr_t left_addr = 0, right_addr = 0; /* Addresses of left & right child nodes */ + haddr_t middle_addr = 0; /* Address of middle child node */ void * left_child = NULL, *right_child = NULL; /* Pointers to left & right child nodes */ void * middle_child = NULL; /* Pointer to middle child node */ uint16_t * left_nrec, *right_nrec; /* Pointers to left & right child # of records */ @@ -1933,7 +1933,7 @@ H5B2__update_flush_depend(H5B2_hdr_t *hdr, unsigned depth, const H5B2_node_ptr_t /* If the node is in the cache, check for retargeting its parent */ if (node_status & H5AC_ES__IN_CACHE) { - void ** parent_ptr; /* Pointer to child node's parent */ + void ** parent_ptr = NULL; /* Pointer to child node's parent */ hbool_t update_deps = FALSE; /* Whether to update flush dependencies */ /* Get child node pointer */ diff --git a/src/H5B2leaf.c b/src/H5B2leaf.c index 99174311e21..af745fa149c 100644 --- a/src/H5B2leaf.c +++ b/src/H5B2leaf.c @@ -608,7 +608,7 @@ H5B2__swap_leaf(H5B2_hdr_t *hdr, uint16_t depth, H5B2_internal_t *internal, unsi unsigned idx, void *swap_loc) { const H5AC_class_t *child_class; /* Pointer to child node's class info */ - haddr_t child_addr; /* Address of child node */ + haddr_t child_addr = 0; /* Address of child node */ void * child = NULL; /* Pointer to child node */ uint8_t * child_native; /* Pointer to child's native records */ herr_t ret_value = SUCCEED; /* Return value */ diff --git a/src/H5C.c b/src/H5C.c index bedf68c28db..2bff91b7138 100644 --- a/src/H5C.c +++ b/src/H5C.c @@ -2229,7 +2229,7 @@ H5C_protect(H5F_t *f, const H5C_class_t *type, haddr_t addr, void *udata, unsign #ifdef H5_HAVE_PARALLEL hbool_t coll_access = FALSE; /* whether access to the cache entry is done collectively */ #endif /* H5_HAVE_PARALLEL */ - hbool_t write_permitted; + hbool_t write_permitted = FALSE; hbool_t was_loaded = FALSE; /* Whether the entry was loaded as a result of the protect */ size_t empty_space; void * thing; diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c index 4c9dffa09ba..2d18e104ce3 100644 --- a/src/H5Dchunk.c +++ b/src/H5Dchunk.c @@ -3153,7 +3153,7 @@ H5D__chunk_lookup(const H5D_t *dset, const hsize_t *scaled, H5D_chunk_ud_t *udat { H5D_rdcc_ent_t * ent = NULL; /* Cache entry */ H5O_storage_chunk_t *sc = &(dset->shared->layout.storage.u.chunk); - unsigned idx; /* Index of chunk in cache, if present */ + unsigned idx = 0; /* Index of chunk in cache, if present */ hbool_t found = FALSE; /* In cache? */ herr_t ret_value = SUCCEED; /* Return value */ diff --git a/src/H5Dvirtual.c b/src/H5Dvirtual.c index ea423ccaf04..18f6c2d1f99 100644 --- a/src/H5Dvirtual.c +++ b/src/H5Dvirtual.c @@ -2383,7 +2383,7 @@ H5D__virtual_pre_io(H5D_io_info_t *io_info, H5O_storage_virtual_t *storage, cons hssize_t select_nelmts; /* Number of elements in selection */ hsize_t bounds_start[H5S_MAX_RANK]; /* Selection bounds start */ hsize_t bounds_end[H5S_MAX_RANK]; /* Selection bounds end */ - int rank; + int rank = 0; hbool_t bounds_init = FALSE; /* Whether bounds_start, bounds_end, and rank are valid */ size_t i, j, k; /* Local index variables */ herr_t ret_value = SUCCEED; /* Return value */ diff --git a/src/H5EA.c b/src/H5EA.c index f601e28da91..5932dd88fad 100644 --- a/src/H5EA.c +++ b/src/H5EA.c @@ -722,7 +722,7 @@ BEGIN_FUNC(PRIV, ERR, herr_t, SUCCEED, FAIL, H5EA_get(const H5EA_t *ea, hsize_t /* Local variables */ H5EA_hdr_t *hdr = ea->hdr; /* Header for EA */ void *thing = NULL; /* Pointer to the array metadata containing the array index we are interested in */ - H5EA__unprotect_func_t thing_unprot_func; /* Function pointer for unprotecting the array metadata */ + H5EA__unprotect_func_t thing_unprot_func = NULL; /* Function pointer for unprotecting the array metadata */ /* * Check arguments. diff --git a/src/H5FDlog.c b/src/H5FDlog.c index fc2cb12c0b5..768c410ac23 100644 --- a/src/H5FDlog.c +++ b/src/H5FDlog.c @@ -484,8 +484,8 @@ H5FD__log_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr) #ifdef H5_HAVE_WIN32_API struct _BY_HANDLE_FILE_INFORMATION fileinfo; #endif - H5_timer_t open_timer; /* Timer for open() call */ - H5_timer_t stat_timer; /* Timer for stat() call */ + H5_timer_t open_timer = {{0}, {0}, {0}, FALSE}; /* Timer for open() call */ + H5_timer_t stat_timer = {{0}, {0}, {0}, FALSE}; /* Timer for stat() call */ h5_stat_t sb; H5FD_t * ret_value = NULL; /* Return value */ @@ -678,7 +678,7 @@ static herr_t H5FD__log_close(H5FD_t *_file) { H5FD_log_t *file = (H5FD_log_t *)_file; - H5_timer_t close_timer; /* Timer for close() call */ + H5_timer_t close_timer = {{0}, {0}, {0}, FALSE}; /* Timer for close() call */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC @@ -1177,7 +1177,7 @@ H5FD__log_read(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, had H5FD_log_t * file = (H5FD_log_t *)_file; size_t orig_size = size; /* Save the original size for later */ haddr_t orig_addr = addr; - H5_timer_t read_timer; /* Timer for read operation */ + H5_timer_t read_timer = {{0}, {0}, {0}, FALSE}; /* Timer for read operation */ H5_timevals_t read_times; /* Elapsed time for read operation */ #ifndef H5_HAVE_PREADWRITE H5_timer_t seek_timer; /* Timer for seek operation */ @@ -1391,7 +1391,7 @@ H5FD__log_write(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, ha H5FD_log_t * file = (H5FD_log_t *)_file; size_t orig_size = size; /* Save the original size for later */ haddr_t orig_addr = addr; - H5_timer_t write_timer; /* Timer for write operation */ + H5_timer_t write_timer = {{0}, {0}, {0}, FALSE}; /* Timer for write operation */ H5_timevals_t write_times; /* Elapsed time for write operation */ #ifndef H5_HAVE_PREADWRITE H5_timer_t seek_timer; /* Timer for seek operation */ @@ -1612,8 +1612,8 @@ H5FD__log_truncate(H5FD_t *_file, hid_t H5_ATTR_UNUSED dxpl_id, hbool_t H5_ATTR_ /* Extend the file to make sure it's large enough */ if (!H5F_addr_eq(file->eoa, file->eof)) { - H5_timer_t trunc_timer; /* Timer for truncate operation */ - H5_timevals_t trunc_times; /* Elapsed time for truncate operation */ + H5_timer_t trunc_timer = {{0}, {0}, {0}, FALSE}; /* Timer for truncate operation */ + H5_timevals_t trunc_times; /* Elapsed time for truncate operation */ /* Start timer for truncate operation */ if (file->fa.flags & H5FD_LOG_TIME_TRUNCATE) { diff --git a/src/H5FDmulti.c b/src/H5FDmulti.c index d60ddadd76a..c9643863fc4 100644 --- a/src/H5FDmulti.c +++ b/src/H5FDmulti.c @@ -1822,7 +1822,7 @@ H5FD_multi_lock(H5FD_t *_file, hbool_t rw) { H5FD_multi_t * file = (H5FD_multi_t *)_file; int nerrors = 0; - H5FD_mem_t out_mt; + H5FD_mem_t out_mt = H5FD_MEM_DEFAULT; static const char *func = "H5FD_multi_unlock"; /* Function Name for error reporting */ /* Clear the error stack */ diff --git a/src/H5FSsection.c b/src/H5FSsection.c index 565a7099b83..93c59f44c33 100644 --- a/src/H5FSsection.c +++ b/src/H5FSsection.c @@ -1154,11 +1154,11 @@ H5FS__sect_merge(H5FS_t *fspace, H5FS_section_info_t **sect, void *op_data) /* Loop until no more merging */ if (fspace->sinfo->merge_list) { do { - H5SL_node_t * less_sect_node; /* Skip list node for section less than new section */ - H5SL_node_t * greater_sect_node; /* Skip list node for section greater than new section */ - H5FS_section_info_t * tmp_sect; /* Temporary free space section */ - H5FS_section_class_t *tmp_sect_cls; /* Temporary section's class */ - hbool_t greater_sect_node_valid = FALSE; /* Indicate if 'greater than' section node is valid */ + H5SL_node_t * less_sect_node; /* Skip list node for section less than new section */ + H5SL_node_t * greater_sect_node = NULL; /* Skip list node for section greater than new section */ + H5FS_section_info_t * tmp_sect; /* Temporary free space section */ + H5FS_section_class_t *tmp_sect_cls; /* Temporary section's class */ + hbool_t greater_sect_node_valid = FALSE; /* Indicate if 'greater than' section node is valid */ /* Reset 'modification occurred' flag */ modified = FALSE; diff --git a/src/H5HFdbg.c b/src/H5HFdbg.c index 9d1adb14951..47460463435 100644 --- a/src/H5HFdbg.c +++ b/src/H5HFdbg.c @@ -692,7 +692,7 @@ H5HF_iblock_debug(H5F_t *f, haddr_t addr, FILE *stream, int indent, int fwidth, { H5HF_hdr_t * hdr = NULL; /* Fractal heap header info */ H5HF_indirect_t *iblock = NULL; /* Fractal heap direct block info */ - hbool_t did_protect; /* Whether we protected the indirect block or not */ + hbool_t did_protect = FALSE; /* Whether we protected the indirect block or not */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) diff --git a/src/H5HFman.c b/src/H5HFman.c index 54f80ffe68a..e39b7649a8f 100644 --- a/src/H5HFman.c +++ b/src/H5HFman.c @@ -297,9 +297,9 @@ H5HF__man_op_real(H5HF_hdr_t *hdr, const uint8_t *id, H5HF_operator_t op, void * * H5AC__NO_FLAGS_SET or * H5AC__READ_ONLY_FLAG */ - haddr_t dblock_addr; /* Direct block address */ + haddr_t dblock_addr = 0; /* Direct block address */ size_t dblock_size; /* Direct block size */ - unsigned dblock_cache_flags; /* Flags for unprotecting direct block */ + unsigned dblock_cache_flags = 0; /* Flags for unprotecting direct block */ hsize_t obj_off; /* Object's offset in heap */ size_t obj_len; /* Object's length in heap */ size_t blk_off; /* Offset of object in block */ @@ -547,7 +547,7 @@ H5HF__man_remove(H5HF_hdr_t *hdr, const uint8_t *id) { H5HF_free_section_t *sec_node = NULL; /* Pointer to free space section for block */ H5HF_indirect_t * iblock = NULL; /* Pointer to indirect block */ - hbool_t did_protect; /* Whether we protected the indirect block or not */ + hbool_t did_protect = FALSE; /* Whether we protected the indirect block or not */ hsize_t obj_off; /* Object's offset in heap */ size_t obj_len; /* Object's length in heap */ size_t dblock_size; /* Direct block size */ diff --git a/src/H5HFsection.c b/src/H5HFsection.c index a91b34bc561..47926f4c9e1 100644 --- a/src/H5HFsection.c +++ b/src/H5HFsection.c @@ -2475,7 +2475,7 @@ H5HF__sect_indirect_init_rows(H5HF_hdr_t *hdr, H5HF_free_section_t *sect, hbool_ /* Add an indirect section for each indirect block in the row */ for (v = 0; v < row_entries; v++) { - hbool_t did_protect; /* Whether we protected the indirect block or not */ + hbool_t did_protect = FALSE; /* Whether we protected the indirect block or not */ /* Try to get the child section's indirect block, if it's available */ if (sect->sect_info.state == H5FS_SECT_LIVE) { diff --git a/src/H5HL.c b/src/H5HL.c index 4186d2a4d8b..bf3203bdd30 100644 --- a/src/H5HL.c +++ b/src/H5HL.c @@ -930,7 +930,7 @@ BEGIN_FUNC(PRIV, ERR, herr_t, SUCCEED, FAIL, H5HL_get_size(H5F_t *f, haddr_t add H5HL_cache_prfx_ud_t prfx_udata; /* User data for protecting local heap prefix */ H5HL_prfx_t * prfx = NULL; /* Local heap prefix */ - H5HL_t * heap; /* Heap data structure */ + H5HL_t * heap = NULL; /* Heap data structure */ /* check arguments */ HDassert(f); @@ -977,7 +977,7 @@ BEGIN_FUNC(PRIV, ERR, herr_t, SUCCEED, FAIL, H5HL_heapsize(H5F_t *f, haddr_t add H5HL_cache_prfx_ud_t prfx_udata; /* User data for protecting local heap prefix */ H5HL_prfx_t * prfx = NULL; /* Local heap prefix */ - H5HL_t * heap; /* Heap data structure */ + H5HL_t * heap = NULL; /* Heap data structure */ /* check arguments */ HDassert(f); diff --git a/src/H5MF.c b/src/H5MF.c index 2fe78a336a6..0ba2246f8a6 100644 --- a/src/H5MF.c +++ b/src/H5MF.c @@ -3081,19 +3081,19 @@ H5MF_settle_raw_data_fsm(H5F_t *f, hbool_t *fsm_settled) herr_t H5MF_settle_meta_data_fsm(H5F_t *f, hbool_t *fsm_settled) { - H5F_mem_page_t sm_fshdr_fs_type; /* small fs hdr fsm */ - H5F_mem_page_t sm_fssinfo_fs_type; /* small fs sinfo fsm */ - H5F_mem_page_t lg_fshdr_fs_type; /* large fs hdr fsm */ - H5F_mem_page_t lg_fssinfo_fs_type; /* large fs sinfo fsm */ - H5FS_t * sm_hdr_fspace = NULL; /* ptr to sm FSM hdr alloc FSM */ - H5FS_t * sm_sinfo_fspace = NULL; /* ptr to sm FSM sinfo alloc FSM */ - H5FS_t * lg_hdr_fspace = NULL; /* ptr to lg FSM hdr alloc FSM */ - H5FS_t * lg_sinfo_fspace = NULL; /* ptr to lg FSM sinfo alloc FSM */ - haddr_t eoa_fsm_fsalloc; /* eoa after file space allocation */ - /* for self referential FSMs */ - hbool_t continue_alloc_fsm = FALSE; /* Continue allocating addr and sect_addr for FSMs */ - H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */ - herr_t ret_value = SUCCEED; /* Return value */ + H5F_mem_page_t sm_fshdr_fs_type; /* small fs hdr fsm */ + H5F_mem_page_t sm_fssinfo_fs_type; /* small fs sinfo fsm */ + H5F_mem_page_t lg_fshdr_fs_type = H5F_MEM_PAGE_DEFAULT; /* large fs hdr fsm */ + H5F_mem_page_t lg_fssinfo_fs_type = H5F_MEM_PAGE_DEFAULT; /* large fs sinfo fsm */ + H5FS_t * sm_hdr_fspace = NULL; /* ptr to sm FSM hdr alloc FSM */ + H5FS_t * sm_sinfo_fspace = NULL; /* ptr to sm FSM sinfo alloc FSM */ + H5FS_t * lg_hdr_fspace = NULL; /* ptr to lg FSM hdr alloc FSM */ + H5FS_t * lg_sinfo_fspace = NULL; /* ptr to lg FSM sinfo alloc FSM */ + haddr_t eoa_fsm_fsalloc; /* eoa after file space allocation */ + /* for self referential FSMs */ + hbool_t continue_alloc_fsm = FALSE; /* Continue allocating addr and sect_addr for FSMs */ + H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_TAG(H5AC__FREESPACE_TAG, FAIL) diff --git a/src/H5Oalloc.c b/src/H5Oalloc.c index b8567eea40d..0c53b7dadd2 100644 --- a/src/H5Oalloc.c +++ b/src/H5Oalloc.c @@ -2005,8 +2005,8 @@ H5O__merge_null(H5F_t *f, H5O_t *oh) for (v = 0, curr_msg2 = &oh->mesg[0]; v < oh->nmesgs; v++, curr_msg2++) { if (u != v && H5O_NULL_ID == curr_msg2->type->id && curr_msg->chunkno == curr_msg2->chunkno) { - ssize_t adj_raw; /* Amount to adjust raw message pointer */ - size_t adj_raw_size; /* Amount to adjust raw message size */ + ssize_t adj_raw = 0; /* Amount to adjust raw message pointer */ + size_t adj_raw_size = 0; /* Amount to adjust raw message size */ /* Check for second message after first message */ if ((curr_msg->raw + curr_msg->raw_size) == diff --git a/src/H5PB.c b/src/H5PB.c index 47deafc59dc..2508b9b11e7 100644 --- a/src/H5PB.c +++ b/src/H5PB.c @@ -682,7 +682,7 @@ H5PB_read(H5F_shared_t *f_sh, H5FD_mem_t type, haddr_t addr, size_t size, void * haddr_t offset; haddr_t search_addr; /* Address of current page */ hsize_t num_touched_pages; /* Number of pages accessed */ - size_t access_size; + size_t access_size = 0; hbool_t bypass_pb = FALSE; /* Whether to bypass page buffering */ hsize_t i; /* Local index variable */ herr_t ret_value = SUCCEED; /* Return value */ @@ -983,7 +983,7 @@ H5PB_write(H5F_shared_t *f_sh, H5FD_mem_t type, haddr_t addr, size_t size, const haddr_t offset; haddr_t search_addr; /* Address of current page */ hsize_t num_touched_pages; /* Number of pages accessed */ - size_t access_size; + size_t access_size = 0; hbool_t bypass_pb = FALSE; /* Whether to bypass page buffering */ hsize_t i; /* Local index variable */ herr_t ret_value = SUCCEED; /* Return value */ diff --git a/src/H5Pdapl.c b/src/H5Pdapl.c index 6d012fe6495..6e273ed755f 100644 --- a/src/H5Pdapl.c +++ b/src/H5Pdapl.c @@ -866,7 +866,7 @@ H5Pget_chunk_cache(hid_t dapl_id, size_t *rdcc_nslots /*out*/, size_t *rdcc_nbyt static herr_t H5P__encode_chunk_cache_nslots(const void *value, void **_pp, size_t *size) { - uint64_t enc_value; /* Property value to encode */ + uint64_t enc_value = 0; /* Property value to encode */ uint8_t **pp = (uint8_t **)_pp; unsigned enc_size; /* Size of encoded property */ @@ -966,7 +966,7 @@ H5P__decode_chunk_cache_nslots(const void **_pp, void *_value) static herr_t H5P__encode_chunk_cache_nbytes(const void *value, void **_pp, size_t *size) { - uint64_t enc_value; /* Property value to encode */ + uint64_t enc_value = 0; /* Property value to encode */ uint8_t **pp = (uint8_t **)_pp; unsigned enc_size; /* Size of encoded property */ diff --git a/src/H5Pdcpl.c b/src/H5Pdcpl.c index 523553b63d3..985a3d31df3 100644 --- a/src/H5Pdcpl.c +++ b/src/H5Pdcpl.c @@ -2215,7 +2215,7 @@ herr_t H5Pset_virtual(hid_t dcpl_id, hid_t vspace_id, const char *src_file_name, const char *src_dset_name, hid_t src_space_id) { - H5P_genplist_t * plist; /* Property list pointer */ + H5P_genplist_t * plist = NULL; /* Property list pointer */ H5O_layout_t virtual_layout; /* Layout information for setting virtual info */ H5S_t * vspace; /* Virtual dataset space selection */ H5S_t * src_space; /* Source dataset space selection */ diff --git a/src/H5Shyper.c b/src/H5Shyper.c index 28683474d22..b66eec6097a 100644 --- a/src/H5Shyper.c +++ b/src/H5Shyper.c @@ -1104,10 +1104,10 @@ H5S__hyper_iter_next(H5S_sel_iter_t *iter, size_t nelem) } /* end if */ /* Must be an irregular hyperslab selection */ else { - H5S_hyper_span_t * curr_span; /* Current hyperslab span node */ - H5S_hyper_span_t **ispan; /* Iterator's hyperslab span nodes */ - hsize_t * abs_arr; /* Absolute hyperslab span position */ - int curr_dim; /* Temporary rank holder */ + H5S_hyper_span_t * curr_span = NULL; /* Current hyperslab span node */ + H5S_hyper_span_t **ispan; /* Iterator's hyperslab span nodes */ + hsize_t * abs_arr; /* Absolute hyperslab span position */ + int curr_dim; /* Temporary rank holder */ /* Set the rank of the fastest changing dimension */ ndims = iter->rank; @@ -1296,10 +1296,10 @@ H5S__hyper_iter_next_block(H5S_sel_iter_t *iter) } /* end if */ /* Must be an irregular hyperslab selection */ else { - H5S_hyper_span_t * curr_span; /* Current hyperslab span node */ - H5S_hyper_span_t **ispan; /* Iterator's hyperslab span nodes */ - hsize_t * abs_arr; /* Absolute hyperslab span position */ - int curr_dim; /* Temporary rank holder */ + H5S_hyper_span_t * curr_span = NULL; /* Current hyperslab span node */ + H5S_hyper_span_t **ispan; /* Iterator's hyperslab span nodes */ + hsize_t * abs_arr; /* Absolute hyperslab span position */ + int curr_dim; /* Temporary rank holder */ /* Set the rank of the fastest changing dimension */ ndims = iter->rank; diff --git a/src/H5system.c b/src/H5system.c index 4026752039a..0ffebc03163 100644 --- a/src/H5system.c +++ b/src/H5system.c @@ -986,7 +986,7 @@ H5_build_extpath(const char *name, char **extpath /*out*/) herr_t H5_combine_path(const char *path1, const char *path2, char **full_name /*out*/) { - size_t path1_len; /* length of path1 */ + size_t path1_len = 0; /* length of path1 */ size_t path2_len; /* length of path2 */ herr_t ret_value = SUCCEED; /* Return value */ diff --git a/src/H5timer.c b/src/H5timer.c index b53c3025304..c0045c3cf83 100644 --- a/src/H5timer.c +++ b/src/H5timer.c @@ -583,10 +583,10 @@ H5_timer_get_time_string(double seconds) char *s; /* output string */ /* Used when the time is greater than 59 seconds */ - double days; - double hours; - double minutes; - double remainder_sec; + double days = 0.0; + double hours = 0.0; + double minutes = 0.0; + double remainder_sec = 0.0; /* Extract larger time units from count of seconds */ if (seconds > (double)60.0F) { diff --git a/src/H5trace.c b/src/H5trace.c index 911aac3d67f..81e7187b016 100644 --- a/src/H5trace.c +++ b/src/H5trace.c @@ -3883,7 +3883,7 @@ H5_trace(const double *returning, const char *func, const char *type, ...) hssize_t i; FILE * out = H5_debug_g.trace; static hbool_t is_first_invocation = TRUE; - H5_timer_t function_timer; + H5_timer_t function_timer = {{0}, {0}, {0}, FALSE}; H5_timevals_t function_times; static H5_timer_t running_timer; H5_timevals_t running_times; diff --git a/tools/lib/h5tools.c b/tools/lib/h5tools.c index 921abb7c6e1..1f4bafefce0 100644 --- a/tools/lib/h5tools.c +++ b/tools/lib/h5tools.c @@ -1778,7 +1778,7 @@ render_bin_output(FILE *stream, hid_t container, hid_t tid, void *_mem, hsize_t } break; case H5T_ARRAY: { int k, ndims; - hsize_t dims[H5S_MAX_RANK], temp_nelmts, nelmts; + hsize_t dims[H5S_MAX_RANK], temp_nelmts, nelmts = 0; hid_t memb = H5I_INVALID_HID; H5TOOLS_DEBUG("H5T_ARRAY"); diff --git a/tools/src/h5ls/h5ls.c b/tools/src/h5ls/h5ls.c index eacb7509ed0..a699487638c 100644 --- a/tools/src/h5ls/h5ls.c +++ b/tools/src/h5ls/h5ls.c @@ -2648,7 +2648,7 @@ int main(int argc, const char *argv[]) { hid_t file_id = H5I_INVALID_HID; - char * fname = NULL, *oname = NULL, *x; + char * fname = NULL, *oname = NULL, *x = NULL; const char * s = NULL; char * rest; int argno;