diff options
Diffstat (limited to 'src/H5Gnode.c')
| -rw-r--r-- | src/H5Gnode.c | 748 |
1 files changed, 378 insertions, 370 deletions
diff --git a/src/H5Gnode.c b/src/H5Gnode.c index 20924ee..4ddcf53 100644 --- a/src/H5Gnode.c +++ b/src/H5Gnode.c @@ -13,14 +13,14 @@ /*------------------------------------------------------------------------- * - * Created: H5Gnode.c - * Jun 26 1997 - * Robb Matzke <matzke@llnl.gov> + * Created: H5Gnode.c + * Jun 26 1997 + * Robb Matzke <matzke@llnl.gov> * - * Purpose: Functions for handling symbol table nodes. A - * symbol table node is a small collection of symbol - * table entries. A B-tree usually points to the - * symbol table nodes for any given symbol table. + * Purpose: Functions for handling symbol table nodes. A + * symbol table node is a small collection of symbol + * table entries. A B-tree usually points to the + * symbol table nodes for any given symbol table. * *------------------------------------------------------------------------- */ @@ -35,16 +35,16 @@ /***********/ /* Headers */ /***********/ -#include "H5private.h" /* Generic Functions */ -#include "H5ACprivate.h" /* Metadata cache */ -#include "H5Eprivate.h" /* Error handling */ -#include "H5Fprivate.h" /* File access */ -#include "H5FLprivate.h" /* Free Lists */ -#include "H5Gpkg.h" /* Groups */ -#include "H5HLprivate.h" /* Local Heaps */ -#include "H5MFprivate.h" /* File memory management */ -#include "H5MMprivate.h" /* Memory management */ -#include "H5Ppublic.h" /* Property Lists */ +#include "H5private.h" /* Generic Functionsi */ +#include "H5ACprivate.h" /* Metadata cache */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Fprivate.h" /* File access */ +#include "H5FLprivate.h" /* Free Lists */ +#include "H5Gpkg.h" /* Groups */ +#include "H5HLprivate.h" /* Local Heaps */ +#include "H5MFprivate.h" /* File memory management */ +#include "H5MMprivate.h" /* Memory management */ +#include "H5Ppublic.h" /* Property Lists */ /****************/ @@ -77,20 +77,16 @@ typedef struct H5G_node_key_t { /* B-tree callbacks */ static H5UC_t *H5G_node_get_shared(const H5F_t *f, const void *_udata); static herr_t H5G_node_create(H5F_t *f, hid_t dxpl_id, H5B_ins_t op, void *_lt_key, - void *_udata, void *_rt_key, - haddr_t *addr_p/*out*/); + void *_udata, void *_rt_key, haddr_t *addr_p/*out*/); static int H5G_node_cmp2(void *_lt_key, void *_udata, void *_rt_key); static int H5G_node_cmp3(void *_lt_key, void *_udata, void *_rt_key); static htri_t H5G_node_found(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_lt_key, - void *_udata); + void *_udata); static H5B_ins_t H5G_node_insert(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_lt_key, - hbool_t *lt_key_changed, void *_md_key, - void *_udata, void *_rt_key, - hbool_t *rt_key_changed, - haddr_t *new_node_p/*out*/); + hbool_t *lt_key_changed, void *_md_key, void *_udata, void *_rt_key, + hbool_t *rt_key_changed, haddr_t *new_node_p/*out*/); static H5B_ins_t H5G_node_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *lt_key, - hbool_t *lt_key_changed, void *udata, - void *rt_key, hbool_t *rt_key_changed); + hbool_t *lt_key_changed, void *udata, void *rt_key, hbool_t *rt_key_changed); static herr_t H5G_node_decode_key(const H5B_shared_t *shared, const uint8_t *raw, void *_key); static herr_t H5G_node_encode_key(const H5B_shared_t *shared, uint8_t *raw, const void *_key); static herr_t H5G_node_debug_key(FILE *stream, int indent, int fwidth, @@ -103,21 +99,21 @@ static herr_t H5G_node_debug_key(FILE *stream, int indent, int fwidth, /* H5G inherits B-tree like properties from H5B */ H5B_class_t H5B_SNODE[1] = {{ - H5B_SNODE_ID, /*id */ - sizeof(H5G_node_key_t), /*sizeof_nkey */ - H5G_node_get_shared, /*get_shared */ - H5G_node_create, /*new */ - H5G_node_cmp2, /*cmp2 */ - H5G_node_cmp3, /*cmp3 */ - H5G_node_found, /*found */ - H5G_node_insert, /*insert */ - TRUE, /*follow min branch? */ - TRUE, /*follow max branch? */ - H5B_RIGHT, /*critical key */ - H5G_node_remove, /*remove */ - H5G_node_decode_key, /*decode */ - H5G_node_encode_key, /*encode */ - H5G_node_debug_key /*debug */ + H5B_SNODE_ID, /*id */ + sizeof(H5G_node_key_t), /*sizeof_nkey */ + H5G_node_get_shared, /*get_shared */ + H5G_node_create, /*new */ + H5G_node_cmp2, /*cmp2 */ + H5G_node_cmp3, /*cmp3 */ + H5G_node_found, /*found */ + H5G_node_insert, /*insert */ + TRUE, /*follow min branch? */ + TRUE, /*follow max branch? */ + H5B_RIGHT, /*critical key */ + H5G_node_remove, /*remove */ + H5G_node_decode_key, /*decode */ + H5G_node_encode_key, /*encode */ + H5G_node_debug_key /*debug */ }}; /* Declare a free list to manage the H5G_node_t struct */ @@ -138,17 +134,16 @@ H5FL_SEQ_DEFINE(H5G_entry_t); /*------------------------------------------------------------------------- - * Function: H5G_node_get_shared + * Function: H5G_node_get_shared * - * Purpose: Returns the shared B-tree info for the specified UDATA. + * Purpose: Returns the shared B-tree info for the specified UDATA. * - * Return: Success: Pointer to the raw B-tree page for this - file's groups + * Return: Success: Pointer to the raw B-tree page for this file's groups * - * Failure: Can't fail + * Failure: Can't fail * - * Programmer: Robb Matzke - * Wednesday, October 8, 1997 + * Programmer: Robb Matzke + * Wednesday, October 8, 1997 * * Modifications: * @@ -167,22 +162,22 @@ H5G_node_get_shared(const H5F_t *f, const void H5_ATTR_UNUSED *_udata) /*------------------------------------------------------------------------- - * Function: H5G_node_decode_key + * Function: H5G_node_decode_key * - * Purpose: Decodes a raw key into a native key. + * Purpose: Decodes a raw key into a native key. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jul 8 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jul 8 1997 * *------------------------------------------------------------------------- */ static herr_t H5G_node_decode_key(const H5B_shared_t *shared, const uint8_t *raw, void *_key) { - H5G_node_key_t *key = (H5G_node_key_t *) _key; + H5G_node_key_t *key = (H5G_node_key_t *) _key; FUNC_ENTER_NOAPI_NOINIT_NOERR @@ -199,13 +194,13 @@ H5G_node_decode_key(const H5B_shared_t *shared, const uint8_t *raw, void *_key) /*------------------------------------------------------------------------- * Function: H5G_node_encode_key * - * Purpose: Encodes a native key into a raw key. + * Purpose: Encodes a native key into a raw key. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jul 8 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jul 8 1997 * *------------------------------------------------------------------------- */ @@ -227,13 +222,13 @@ H5G_node_encode_key(const H5B_shared_t *shared, uint8_t *raw, const void *_key) /*------------------------------------------------------------------------- - * Function: H5G_node_debug_key + * Function: H5G_node_debug_key * - * Purpose: Prints a key. + * Purpose: Prints a key. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * - * Programmer: Quincey Koziol + * Programmer: Quincey Koziol * Friday, February 28, 2003 * *------------------------------------------------------------------------- @@ -242,7 +237,7 @@ static herr_t H5G_node_debug_key(FILE *stream, int indent, int fwidth, const void *_key, const void *_udata) { - const H5G_node_key_t *key = (const H5G_node_key_t *) _key; + const H5G_node_key_t *key = (const H5G_node_key_t *) _key; const H5G_bt_common_t *udata = (const H5G_bt_common_t *) _udata; FUNC_ENTER_NOAPI_NOINIT_NOERR @@ -250,15 +245,15 @@ H5G_node_debug_key(FILE *stream, int indent, int fwidth, const void *_key, HDassert(key); HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth, "Heap offset:", - (unsigned)key->offset); + (unsigned)key->offset); if(udata->heap) { const char *s; HDfprintf(stream, "%*s%-*s ", indent, "", fwidth, "Name:"); - s = (const char *)H5HL_offset_into(udata->heap, key->offset); - HDfprintf(stream, "%s\n", s); + if((s = (const char *)H5HL_offset_into(udata->heap, key->offset)) != NULL) + HDfprintf(stream, "%s\n", s); } /* end if */ else HDfprintf(stream, "%*s%-*s ", indent, "", fwidth, "Cannot get name; heap address not specified\n"); @@ -270,13 +265,13 @@ H5G_node_debug_key(FILE *stream, int indent, int fwidth, const void *_key, /*------------------------------------------------------------------------- * Function: H5G__node_free * - * Purpose: Destroy a symbol table node in memory. + * Purpose: Destroy a symbol table node in memory. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * - * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu - * Jan 15 2003 + * Programmer: Quincey Koziol + * koziol@ncsa.uiuc.edu + * Jan 15 2003 * *------------------------------------------------------------------------- */ @@ -305,29 +300,29 @@ H5G__node_free(H5G_node_t *sym) * Function: H5G_node_create * * Purpose: Creates a new empty symbol table node. This function is - * called by the B-tree insert function for an empty tree. It - * is also called internally to split a symbol node with LT_KEY - * and RT_KEY null pointers. + * called by the B-tree insert function for an empty tree. It + * is also called internally to split a symbol node with LT_KEY + * and RT_KEY null pointers. * - * Return: Success: Non-negative. The address of symbol table - * node is returned through the ADDR_P argument. + * Return: Success: Non-negative. The address of symbol table + * node is returned through the ADDR_P argument. * - * Failure: Negative + * Failure: Negative * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 23 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jun 23 1997 * *------------------------------------------------------------------------- */ static herr_t H5G_node_create(H5F_t *f, hid_t dxpl_id, H5B_ins_t H5_ATTR_UNUSED op, void *_lt_key, - void H5_ATTR_UNUSED *_udata, void *_rt_key, haddr_t *addr_p/*out*/) + void H5_ATTR_UNUSED *_udata, void *_rt_key, haddr_t *addr_p/*out*/) { - H5G_node_key_t *lt_key = (H5G_node_key_t *)_lt_key; - H5G_node_key_t *rt_key = (H5G_node_key_t *)_rt_key; - H5G_node_t *sym = NULL; - herr_t ret_value = SUCCEED; /* Return value */ + H5G_node_key_t *lt_key = (H5G_node_key_t *)_lt_key; + H5G_node_key_t *rt_key = (H5G_node_key_t *)_rt_key; + H5G_node_t *sym = NULL; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT @@ -338,15 +333,15 @@ H5G_node_create(H5F_t *f, hid_t dxpl_id, H5B_ins_t H5_ATTR_UNUSED op, void *_lt_ HDassert(H5B_INS_FIRST == op); if(NULL == (sym = H5FL_CALLOC(H5G_node_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") sym->node_size = H5G_NODE_SIZE(f); if(HADDR_UNDEF == (*addr_p = H5MF_alloc(f, H5FD_MEM_BTREE, dxpl_id, (hsize_t)sym->node_size))) - HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to allocate file space") + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to allocate file space") if(NULL == (sym->entry = H5FL_SEQ_CALLOC(H5G_entry_t, (size_t)(2 * H5F_SYM_LEAF_K(f))))) - HGOTO_ERROR(H5E_SYM, H5E_CANTALLOC, FAIL, "memory allocation failed") + HGOTO_ERROR(H5E_SYM, H5E_CANTALLOC, FAIL, "memory allocation failed") if(H5AC_insert_entry(f, dxpl_id, H5AC_SNODE, *addr_p, sym, H5AC__NO_FLAGS_SET) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to cache symbol table leaf node") + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to cache symbol table leaf node") /* * The left and right symbols in an empty tree are both the * empty string stored at offset zero by the H5G functions. This @@ -375,36 +370,36 @@ done: * Function: H5G_node_cmp2 * * Purpose: Compares two keys from a B-tree node (LT_KEY and RT_KEY). - * The UDATA pointer supplies extra data not contained in the - * keys (in this case, the heap address). + * The UDATA pointer supplies extra data not contained in the + * keys (in this case, the heap address). * - * Return: Success: negative if LT_KEY is less than RT_KEY. + * Return: Success: negative if LT_KEY is less than RT_KEY. * - * positive if LT_KEY is greater than RT_KEY. + * positive if LT_KEY is greater than RT_KEY. * - * zero if LT_KEY and RT_KEY are equal. + * zero if LT_KEY and RT_KEY are equal. * - * Failure: FAIL (same as LT_KEY<RT_KEY) + * Failure: FAIL (same as LT_KEY<RT_KEY) * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 23 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jun 23 1997 * * Modifications: * *------------------------------------------------------------------------- */ -static int +static herr_t H5G_node_cmp2(void *_lt_key, void *_udata, void *_rt_key) { - H5G_bt_common_t *udata = (H5G_bt_common_t *) _udata; - H5G_node_key_t *lt_key = (H5G_node_key_t *) _lt_key; - H5G_node_key_t *rt_key = (H5G_node_key_t *) _rt_key; - const char *s1, *s2; - const char *base; /* Base of heap */ - int ret_value = -1; /* Return value */ + H5G_bt_common_t *udata = (H5G_bt_common_t *) _udata; + H5G_node_key_t *lt_key = (H5G_node_key_t *) _lt_key; + H5G_node_key_t *rt_key = (H5G_node_key_t *) _rt_key; + const char *s1, *s2; + const char *base; /* Base of heap */ + int ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_NOAPI_NOINIT /* Sanity checks */ HDassert(udata && udata->heap); @@ -416,12 +411,15 @@ H5G_node_cmp2(void *_lt_key, void *_udata, void *_rt_key) HDassert(base); /* Get pointers to string names */ - s1 = base + lt_key->offset; - s2 = base + rt_key->offset; + if((s1 = (const char *)H5HL_offset_into(udata->heap, lt_key->offset)) == NULL) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "unable to get key name") + if((s2 = (const char *)H5HL_offset_into(udata->heap, rt_key->offset)) == NULL) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "unable to get key name") /* Set return value */ ret_value = HDstrcmp(s1, s2); +done: FUNC_LEAVE_NOAPI(ret_value) } /* H5G_node_cmp2() */ @@ -430,40 +428,40 @@ H5G_node_cmp2(void *_lt_key, void *_udata, void *_rt_key) * Function: H5G_node_cmp3 * * Purpose: Compares two keys from a B-tree node (LT_KEY and RT_KEY) - * against another key (not necessarily the same type) - * pointed to by UDATA. + * against another key (not necessarily the same type) + * pointed to by UDATA. * - * Return: Success: negative if the UDATA key is less than - * or equal to the LT_KEY + * Return: Success: negative if the UDATA key is less than + * or equal to the LT_KEY * - * positive if the UDATA key is greater - * than the RT_KEY. + * positive if the UDATA key is greater + * than the RT_KEY. * - * zero if the UDATA key falls between - * the LT_KEY (exclusive) and the - * RT_KEY (inclusive). + * zero if the UDATA key falls between + * the LT_KEY (exclusive) and the + * RT_KEY (inclusive). * - * Failure: FAIL (same as UDATA < LT_KEY) + * Failure: FAIL (same as UDATA < LT_KEY) * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 23 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jun 23 1997 * * Modifications: * *------------------------------------------------------------------------- */ -static int +static herr_t H5G_node_cmp3(void *_lt_key, void *_udata, void *_rt_key) { - H5G_bt_common_t *udata = (H5G_bt_common_t *) _udata; - H5G_node_key_t *lt_key = (H5G_node_key_t *) _lt_key; - H5G_node_key_t *rt_key = (H5G_node_key_t *) _rt_key; - const char *s; - const char *base; /* Base of heap */ - int ret_value = 0; /* Return value */ + H5G_bt_common_t *udata = (H5G_bt_common_t *) _udata; + H5G_node_key_t *lt_key = (H5G_node_key_t *) _lt_key; + H5G_node_key_t *rt_key = (H5G_node_key_t *) _rt_key; + const char *s; + const char *base; /* Base of heap */ + herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_NOAPI_NOINIT /* Sanity checks */ HDassert(udata && udata->heap); @@ -475,43 +473,46 @@ H5G_node_cmp3(void *_lt_key, void *_udata, void *_rt_key) HDassert(base); /* left side */ - s = base + lt_key->offset; + if((s = (const char *)H5HL_offset_into(udata->heap, lt_key->offset)) == NULL) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "unable to get key name") if(HDstrcmp(udata->name, s) <= 0) - ret_value = (-1); + ret_value = (-1); else { /* right side */ - s = base + rt_key->offset; + if((s = (const char *)H5HL_offset_into(udata->heap, rt_key->offset)) == NULL) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "unable to get key name") if(HDstrcmp(udata->name, s) > 0) ret_value = 1; } /* end else */ +done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5G_node_cmp3() */ /*------------------------------------------------------------------------- - * Function: H5G_node_found + * Function: H5G_node_found * - * Purpose: The B-tree search engine has found the symbol table node - * which contains the requested symbol if the symbol exists. - * This function should examine that node for the symbol and - * return information about the symbol through the UDATA - * structure which contains the symbol name on function - * entry. + * Purpose: The B-tree search engine has found the symbol table node + * which contains the requested symbol if the symbol exists. + * This function should examine that node for the symbol and + * return information about the symbol through the UDATA + * structure which contains the symbol name on function + * entry. * - * If the operation flag in UDATA is H5G_OPER_FIND, then - * the entry is copied from the symbol table to the UDATA - * entry field. Otherwise the entry is copied from the - * UDATA entry field to the symbol table. + * If the operation flag in UDATA is H5G_OPER_FIND, then + * the entry is copied from the symbol table to the UDATA + * entry field. Otherwise the entry is copied from the + * UDATA entry field to the symbol table. * - * Return: Success: Non-negative (TRUE/FALSE) if found and data - * returned through the UDATA pointer. + * Return: Success: Non-negative (TRUE/FALSE) if found and data + * returned through the UDATA pointer. * - * Failure: Negative if not found. + * Failure: Negative if not found. * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 23 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jun 23 1997 * *------------------------------------------------------------------------- */ @@ -519,13 +520,13 @@ static htri_t H5G_node_found(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void H5_ATTR_UNUSED *_lt_key, void *_udata) { - H5G_bt_lkp_t *udata = (H5G_bt_lkp_t *)_udata; - H5G_node_t *sn = NULL; - unsigned lt = 0, idx = 0, rt; - int cmp = 1; - const char *s; - const char *base; /* Base of heap */ - htri_t ret_value = TRUE; /* Return value */ + H5G_bt_lkp_t *udata = (H5G_bt_lkp_t *)_udata; + H5G_node_t *sn = NULL; + unsigned lt = 0, idx = 0, rt; + int cmp = 1; + const char *s; + const char *base; /* Base of heap */ + htri_t ret_value = TRUE; /* Return value */ FUNC_ENTER_NOAPI_NOINIT @@ -540,7 +541,7 @@ H5G_node_found(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void H5_ATTR_UNUSED * Load the symbol table node for exclusive access. */ if(NULL == (sn = (H5G_node_t *)H5AC_protect(f, dxpl_id, H5AC_SNODE, addr, f, H5AC__READ_ONLY_FLAG))) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, FAIL, "unable to protect symbol table node") + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, FAIL, "unable to protect symbol table node") /* Get base address of heap */ base = (const char *)H5HL_offset_into(udata->common.heap, (size_t)0); @@ -551,14 +552,16 @@ H5G_node_found(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void H5_ATTR_UNUSED */ rt = sn->nsyms; while(lt < rt && cmp) { - idx = (lt + rt) / 2; - s = base + sn->entry[idx].name_off; - cmp = HDstrcmp(udata->common.name, s); - - if (cmp < 0) - rt = idx; - else - lt = idx + 1; + idx = (lt + rt) / 2; + + if((s = (const char *)H5HL_offset_into(udata->common.heap, sn->entry[idx].name_off)) == NULL) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "unable to get symbol table name") + cmp = HDstrcmp(udata->common.name, s); + + if (cmp < 0) + rt = idx; + else + lt = idx + 1; } /* end while */ if(cmp) @@ -570,43 +573,41 @@ H5G_node_found(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void H5_ATTR_UNUSED done: if(sn && H5AC_unprotect(f, dxpl_id, H5AC_SNODE, addr, sn, H5AC__NO_FLAGS_SET) < 0) - HDONE_ERROR(H5E_SYM, H5E_PROTECT, FAIL, "unable to release symbol table node") + HDONE_ERROR(H5E_SYM, H5E_PROTECT, FAIL, "unable to release symbol table node") FUNC_LEAVE_NOAPI(ret_value) } /* end H5G_node_found() */ /*------------------------------------------------------------------------- - * Function: H5G_node_insert + * Function: H5G_node_insert * - * Purpose: The B-tree insertion engine has found the symbol table node - * which should receive the new symbol/address pair. This - * function adds it to that node unless it already existed. + * Purpose: The B-tree insertion engine has found the symbol table node + * which should receive the new symbol/address pair. This + * function adds it to that node unless it already existed. * - * If the node has no room for the symbol then the node is - * split into two nodes. The original node contains the - * low values and the new node contains the high values. - * The new symbol table entry is added to either node as - * appropriate. When a split occurs, this function will - * write the maximum key of the low node to the MID buffer - * and return the address of the new node. + * If the node has no room for the symbol then the node is + * split into two nodes. The original node contains the + * low values and the new node contains the high values. + * The new symbol table entry is added to either node as + * appropriate. When a split occurs, this function will + * write the maximum key of the low node to the MID buffer + * and return the address of the new node. * - * If the new key is larger than RIGHT then update RIGHT - * with the new key. + * If the new key is larger than RIGHT then update RIGHT + * with the new key. * - * Return: Success: An insertion command for the caller, one of - * the H5B_INS_* constants. The address of the - * new node, if any, is returned through the - * NEW_NODE_P argument. NEW_NODE_P might not be - * initialized if the return value is - * H5B_INS_NOOP. + * Return: Success: An insertion command for the caller, one of + * the H5B_INS_* constants. The address of the + * new node, if any, is returned through the + * NEW_NODE_P argument. NEW_NODE_P might not be + * initialized if the return value is H5B_INS_NOOP. * - * Failure: H5B_INS_ERROR, NEW_NODE_P might not be - * initialized. + * Failure: H5B_INS_ERROR, NEW_NODE_P might not be initialized. * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 24 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jun 24 1997 * *------------------------------------------------------------------------- */ @@ -617,18 +618,18 @@ H5G_node_insert(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_rt_key, hbool_t *rt_key_changed, haddr_t *new_node_p) { - H5G_node_key_t *md_key = (H5G_node_key_t *) _md_key; - H5G_node_key_t *rt_key = (H5G_node_key_t *) _rt_key; - H5G_bt_ins_t *udata = (H5G_bt_ins_t *) _udata; - H5G_node_t *sn = NULL, *snrt = NULL; - unsigned sn_flags = H5AC__NO_FLAGS_SET, snrt_flags = H5AC__NO_FLAGS_SET; - const char *s; - const char *base; /* Base of heap */ - unsigned lt = 0, rt; /* Binary search cntrs */ - int cmp = 1, idx = -1; - H5G_node_t *insert_into = NULL; /*node that gets new entry*/ - H5G_entry_t ent; /* Entry to insert in node */ - H5B_ins_t ret_value = H5B_INS_ERROR; + H5G_node_key_t *md_key = (H5G_node_key_t *) _md_key; + H5G_node_key_t *rt_key = (H5G_node_key_t *) _rt_key; + H5G_bt_ins_t *udata = (H5G_bt_ins_t *) _udata; + H5G_node_t *sn = NULL, *snrt = NULL; + unsigned sn_flags = H5AC__NO_FLAGS_SET, snrt_flags = H5AC__NO_FLAGS_SET; + const char *s; + const char *base; /* Base of heap */ + unsigned lt = 0, rt; /* Binary search cntrs */ + int cmp = 1, idx = -1; + H5G_node_t *insert_into = NULL; /*node that gets new entry*/ + H5G_entry_t ent; /* Entry to insert in node */ + H5B_ins_t ret_value = H5B_INS_ERROR; FUNC_ENTER_NOAPI_NOINIT @@ -646,7 +647,7 @@ H5G_node_insert(H5F_t *f, hid_t dxpl_id, haddr_t addr, * Load the symbol node. */ if(NULL == (sn = (H5G_node_t *)H5AC_protect(f, dxpl_id, H5AC_SNODE, addr, f, H5AC__NO_FLAGS_SET))) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5B_INS_ERROR, "unable to protect symbol table node") + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5B_INS_ERROR, "unable to protect symbol table node") /* Get base address of heap */ base = (const char *)H5HL_offset_into(udata->common.heap, (size_t)0); @@ -657,85 +658,86 @@ H5G_node_insert(H5F_t *f, hid_t dxpl_id, haddr_t addr, */ rt = sn->nsyms; while(lt < rt) { - idx = (int)((lt + rt) / 2); - s = base + sn->entry[idx].name_off; + idx = (int)((lt + rt) / 2); + if((s = (const char *)H5HL_offset_into(udata->common.heap, sn->entry[idx].name_off)) == NULL) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "unable to get symbol table name") /* Check if symbol is already present */ - if(0 == (cmp = HDstrcmp(udata->common.name, s))) + if(0 == (cmp = HDstrcmp(udata->common.name, s))) HGOTO_ERROR(H5E_SYM, H5E_CANTINSERT, H5B_INS_ERROR, "symbol is already present in symbol table") - if (cmp < 0) - rt = (unsigned)idx; - else - lt = (unsigned)(idx + 1); + if (cmp < 0) + rt = (unsigned)idx; + else + lt = (unsigned)(idx + 1); } /* end while */ idx += cmp > 0 ? 1 : 0; /* Convert link information & name to symbol table entry */ if(H5G__ent_convert(f, dxpl_id, udata->common.heap, udata->common.name, udata->lnk, udata->obj_type, udata->crt_info, &ent) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTCONVERT, H5B_INS_ERROR, "unable to convert link") + HGOTO_ERROR(H5E_SYM, H5E_CANTCONVERT, H5B_INS_ERROR, "unable to convert link") /* Determine where to place entry in node */ if(sn->nsyms >= 2 * H5F_SYM_LEAF_K(f)) { - /* - * The node is full. Split it into a left and right - * node and return the address of the new right node (the - * left node is at the same address as the original node). - */ - ret_value = H5B_INS_RIGHT; - - /* The right node */ - if(H5G_node_create(f, dxpl_id, H5B_INS_FIRST, NULL, NULL, NULL, new_node_p/*out*/) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, H5B_INS_ERROR, "unable to split symbol table node") - - if(NULL == (snrt = (H5G_node_t *)H5AC_protect(f, dxpl_id, H5AC_SNODE, *new_node_p, f, H5AC__NO_FLAGS_SET))) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5B_INS_ERROR, "unable to split symbol table node") - - HDmemcpy(snrt->entry, sn->entry + H5F_SYM_LEAF_K(f), - H5F_SYM_LEAF_K(f) * sizeof(H5G_entry_t)); - snrt->nsyms = H5F_SYM_LEAF_K(f); + /* + * The node is full. Split it into a left and right + * node and return the address of the new right node (the + * left node is at the same address as the original node). + */ + ret_value = H5B_INS_RIGHT; + + /* The right node */ + if(H5G_node_create(f, dxpl_id, H5B_INS_FIRST, NULL, NULL, NULL, new_node_p/*out*/) < 0) + HGOTO_ERROR (H5E_SYM, H5E_CANTINIT, H5B_INS_ERROR, "unable to split symbol table node") + + if(NULL == (snrt = (H5G_node_t *)H5AC_protect(f, dxpl_id, H5AC_SNODE, *new_node_p, f, H5AC__NO_FLAGS_SET))) + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5B_INS_ERROR, "unable to split symbol table node") + + HDmemcpy(snrt->entry, sn->entry + H5F_SYM_LEAF_K(f), + H5F_SYM_LEAF_K(f) * sizeof(H5G_entry_t)); + snrt->nsyms = H5F_SYM_LEAF_K(f); snrt_flags |= H5AC__DIRTIED_FLAG; - /* The left node */ - HDmemset(sn->entry + H5F_SYM_LEAF_K(f), 0, - H5F_SYM_LEAF_K(f) * sizeof(H5G_entry_t)); - sn->nsyms = H5F_SYM_LEAF_K(f); + /* The left node */ + HDmemset(sn->entry + H5F_SYM_LEAF_K(f), 0, + H5F_SYM_LEAF_K(f) * sizeof(H5G_entry_t)); + sn->nsyms = H5F_SYM_LEAF_K(f); sn_flags |= H5AC__DIRTIED_FLAG; - /* The middle key */ - md_key->offset = sn->entry[sn->nsyms - 1].name_off; + /* The middle key */ + md_key->offset = sn->entry[sn->nsyms - 1].name_off; - /* Where to insert the new entry? */ - if(idx <= (int)H5F_SYM_LEAF_K(f)) { - insert_into = sn; - if(idx == (int)H5F_SYM_LEAF_K(f)) - md_key->offset = ent.name_off; - } /* end if */ + /* Where to insert the new entry? */ + if(idx <= (int)H5F_SYM_LEAF_K(f)) { + insert_into = sn; + if(idx == (int)H5F_SYM_LEAF_K(f)) + md_key->offset = ent.name_off; + } /* end if */ else { - idx -= (int)H5F_SYM_LEAF_K(f); - insert_into = snrt; - if(idx == (int)H5F_SYM_LEAF_K(f)) { - rt_key->offset = ent.name_off; - *rt_key_changed = TRUE; - } /* end if */ - } /* end else */ + idx -= (int)H5F_SYM_LEAF_K(f); + insert_into = snrt; + if(idx == (int)H5F_SYM_LEAF_K(f)) { + rt_key->offset = ent.name_off; + *rt_key_changed = TRUE; + } /* end if */ + } /* end else */ } /* end if */ else { - /* Where to insert the new entry? */ - ret_value = H5B_INS_NOOP; + /* Where to insert the new entry? */ + ret_value = H5B_INS_NOOP; sn_flags |= H5AC__DIRTIED_FLAG; - insert_into = sn; - if(idx == (int)sn->nsyms) { - rt_key->offset = ent.name_off; - *rt_key_changed = TRUE; - } /* end if */ + insert_into = sn; + if(idx == (int)sn->nsyms) { + rt_key->offset = ent.name_off; + *rt_key_changed = TRUE; + } /* end if */ } /* end else */ /* Move entries down to make room for new entry */ HDassert(idx >= 0); HDmemmove(insert_into->entry + idx + 1, insert_into->entry + idx, - (insert_into->nsyms - (unsigned)idx) * sizeof(H5G_entry_t)); + (insert_into->nsyms - (unsigned)idx) * sizeof(H5G_entry_t)); /* Copy new entry into table */ H5G__ent_copy(&(insert_into->entry[idx]), &ent, H5_COPY_SHALLOW); @@ -745,56 +747,56 @@ H5G_node_insert(H5F_t *f, hid_t dxpl_id, haddr_t addr, done: if(snrt && H5AC_unprotect(f, dxpl_id, H5AC_SNODE, *new_node_p, snrt, snrt_flags) < 0) - HDONE_ERROR(H5E_SYM, H5E_PROTECT, H5B_INS_ERROR, "unable to release symbol table node") + HDONE_ERROR(H5E_SYM, H5E_PROTECT, H5B_INS_ERROR, "unable to release symbol table node") if(sn && H5AC_unprotect(f, dxpl_id, H5AC_SNODE, addr, sn, sn_flags) < 0) - HDONE_ERROR(H5E_SYM, H5E_PROTECT, H5B_INS_ERROR, "unable to release symbol table node") + HDONE_ERROR(H5E_SYM, H5E_PROTECT, H5B_INS_ERROR, "unable to release symbol table node") FUNC_LEAVE_NOAPI(ret_value) } /* end H5G_node_insert() */ /*------------------------------------------------------------------------- - * Function: H5G_node_remove + * Function: H5G_node_remove * - * Purpose: The B-tree removal engine has found the symbol table node - * which should contain the name which is being removed. This - * function removes the name from the symbol table and - * decrements the link count on the object to which the name - * points. + * Purpose: The B-tree removal engine has found the symbol table node + * which should contain the name which is being removed. This + * function removes the name from the symbol table and + * decrements the link count on the object to which the name + * points. * - * If the udata->name parameter is set to NULL, then remove - * all entries in this symbol table node. This only occurs - * during the deletion of the entire group, so don't bother - * freeing individual name entries in the local heap, the group's - * symbol table removal code will just free the entire local - * heap eventually. Do reduce the link counts for each object - * however. + * If the udata->name parameter is set to NULL, then remove + * all entries in this symbol table node. This only occurs + * during the deletion of the entire group, so don't bother + * freeing individual name entries in the local heap, the group's + * symbol table removal code will just free the entire local + * heap eventually. Do reduce the link counts for each object + * however. * - * Return: Success: If all names are removed from the symbol - * table node then H5B_INS_REMOVE is returned; - * otherwise H5B_INS_NOOP is returned. + * Return: Success: If all names are removed from the symbol + * table node then H5B_INS_REMOVE is returned; + * otherwise H5B_INS_NOOP is returned. * - * Failure: H5B_INS_ERROR + * Failure: H5B_INS_ERROR * - * Programmer: Robb Matzke + * Programmer: Robb Matzke * Thursday, September 24, 1998 * *------------------------------------------------------------------------- */ static H5B_ins_t H5G_node_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_lt_key/*in,out*/, - hbool_t H5_ATTR_UNUSED *lt_key_changed/*out*/, - void *_udata/*in,out*/, void *_rt_key/*in,out*/, - hbool_t *rt_key_changed/*out*/) + hbool_t H5_ATTR_UNUSED *lt_key_changed/*out*/, + void *_udata/*in,out*/, void *_rt_key/*in,out*/, + hbool_t *rt_key_changed/*out*/) { - H5G_node_key_t *lt_key = (H5G_node_key_t *)_lt_key; - H5G_node_key_t *rt_key = (H5G_node_key_t *)_rt_key; - H5G_bt_rm_t *udata = (H5G_bt_rm_t *)_udata; - H5G_node_t *sn = NULL; - unsigned sn_flags = H5AC__NO_FLAGS_SET; - unsigned lt = 0, rt, idx = 0; - int cmp = 1; - H5B_ins_t ret_value = H5B_INS_ERROR; + H5G_node_key_t *lt_key = (H5G_node_key_t *)_lt_key; + H5G_node_key_t *rt_key = (H5G_node_key_t *)_rt_key; + H5G_bt_rm_t *udata = (H5G_bt_rm_t *)_udata; + H5G_node_t *sn = NULL; + unsigned sn_flags = H5AC__NO_FLAGS_SET; + unsigned lt = 0, rt, idx = 0; + int cmp = 1; + H5B_ins_t ret_value = H5B_INS_ERROR; FUNC_ENTER_NOAPI_NOINIT @@ -807,7 +809,7 @@ H5G_node_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_lt_key/*in,out*/, /* Load the symbol table */ if(NULL == (sn = (H5G_node_t *)H5AC_protect(f, dxpl_id, H5AC_SNODE, addr, f, H5AC__NO_FLAGS_SET))) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5B_INS_ERROR, "unable to protect symbol table node") + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5B_INS_ERROR, "unable to protect symbol table node") /* "Normal" removal of a single entry from the symbol table node */ if(udata->common.name != NULL) { @@ -824,7 +826,8 @@ H5G_node_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_lt_key/*in,out*/, const char *s; /* Pointer to string in local heap */ idx = (lt + rt) / 2; - s = base + sn->entry[idx].name_off; + if((s = H5HL_offset_into(udata->common.heap, sn->entry[idx].name_off)) == NULL) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "unable to get symbol table name") cmp = HDstrcmp(udata->common.name, s); if(cmp < 0) rt = idx; @@ -846,7 +849,8 @@ H5G_node_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_lt_key/*in,out*/, lnk.cset = H5T_CSET_ASCII; if(sn->entry[idx].type == H5G_CACHED_SLINK) { lnk.type = H5L_TYPE_SOFT; - lnk.u.soft.name = (char *)H5HL_offset_into(udata->common.heap, sn->entry[idx].cache.slink.lval_offset); + if(NULL == (lnk.u.soft.name = (char *)H5HL_offset_into(udata->common.heap, sn->entry[idx].cache.slink.lval_offset))) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, H5B_INS_ERROR, "unable to get link name") } /* end if */ else { lnk.type = H5L_TYPE_HARD; @@ -960,22 +964,22 @@ H5G_node_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_lt_key/*in,out*/, done: if(sn && H5AC_unprotect(f, dxpl_id, H5AC_SNODE, addr, sn, sn_flags) < 0) - HDONE_ERROR(H5E_SYM, H5E_CANTUNPROTECT, H5B_INS_ERROR, "unable to release symbol table node") + HDONE_ERROR(H5E_SYM, H5E_CANTUNPROTECT, H5B_INS_ERROR, "unable to release symbol table node") FUNC_LEAVE_NOAPI(ret_value) } /* end H5G_node_remove() */ /*------------------------------------------------------------------------- - * Function: H5G__node_iterate + * Function: H5G__node_iterate * - * Purpose: This function gets called during a group iterate operation. + * Purpose: This function gets called during a group iterate operation. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 24 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jun 24 1997 * *------------------------------------------------------------------------- */ @@ -983,11 +987,11 @@ int H5G__node_iterate(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, haddr_t addr, const void H5_ATTR_UNUSED *_rt_key, void *_udata) { - H5G_bt_it_it_t *udata = (H5G_bt_it_it_t *)_udata; - H5G_node_t *sn = NULL; - H5G_entry_t *ents; /* Pointer to entries in this node */ - unsigned u; /* Local index variable */ - int ret_value = H5_ITER_CONT; + H5G_bt_it_it_t *udata = (H5G_bt_it_it_t *)_udata; + H5G_node_t *sn = NULL; + H5G_entry_t *ents; /* Pointer to entries in this node */ + unsigned u; /* Local index variable */ + int ret_value = H5_ITER_CONT; FUNC_ENTER_PACKAGE @@ -1000,7 +1004,7 @@ H5G__node_iterate(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, h /* Protect the symbol table node & local heap while we iterate over entries */ if(NULL == (sn = (H5G_node_t *)H5AC_protect(f, dxpl_id, H5AC_SNODE, addr, f, H5AC__READ_ONLY_FLAG))) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5_ITER_ERROR, "unable to load symbol table node") + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5_ITER_ERROR, "unable to load symbol table node") /* * Iterate over the symbol table node entries. @@ -1013,7 +1017,8 @@ H5G__node_iterate(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, h const char *name; /* Pointer to link name in heap */ /* Get the pointer to the name of the link in the heap */ - name = (const char *)H5HL_offset_into(udata->heap, ents[u].name_off); + if((name = (const char *)H5HL_offset_into(udata->heap, ents[u].name_off)) == NULL) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, H5_ITER_ERROR, "unable to get symbol table node name") HDassert(name); /* Convert the entry to a link */ @@ -1043,15 +1048,14 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5G__node_iterate() */ - /*------------------------------------------------------------------------- - * Function: H5G__node_sumup + * Function: H5G__node_sumup * - * Purpose: This function gets called during a group iterate operation + * Purpose: This function gets called during a group iterate operation * to return total number of members in the group. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * * Programmer: Raymond Lu * Nov 20, 2002 @@ -1060,11 +1064,11 @@ done: */ int H5G__node_sumup(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, haddr_t addr, - const void H5_ATTR_UNUSED *_rt_key, void *_udata) + const void H5_ATTR_UNUSED *_rt_key, void *_udata) { hsize_t *num_objs = (hsize_t *)_udata; - H5G_node_t *sn = NULL; - int ret_value = H5_ITER_CONT; + H5G_node_t *sn = NULL; + int ret_value = H5_ITER_CONT; FUNC_ENTER_PACKAGE @@ -1077,7 +1081,7 @@ H5G__node_sumup(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, had /* Find the object node and add the number of symbol entries. */ if(NULL == (sn = (H5G_node_t *)H5AC_protect(f, dxpl_id, H5AC_SNODE, addr, f, H5AC__READ_ONLY_FLAG))) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5_ITER_ERROR, "unable to load symbol table node") + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5_ITER_ERROR, "unable to load symbol table node") *num_objs += sn->nsyms; @@ -1090,12 +1094,12 @@ done: /*------------------------------------------------------------------------- - * Function: H5G__node_by_idx + * Function: H5G__node_by_idx * - * Purpose: This function gets called during a group iterate operation + * Purpose: This function gets called during a group iterate operation * to return object name by giving idx. * - * Return: 0 if object isn't found in this node; 1 if object is found; + * Return: 0 if object isn't found in this node; 1 if object is found; * Negative on failure * * Programmer: Raymond Lu @@ -1105,11 +1109,11 @@ done: */ int H5G__node_by_idx(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, haddr_t addr, - const void H5_ATTR_UNUSED *_rt_key, void *_udata) + const void H5_ATTR_UNUSED *_rt_key, void *_udata) { - H5G_bt_it_idx_common_t *udata = (H5G_bt_it_idx_common_t *)_udata; - H5G_node_t *sn = NULL; - int ret_value = H5_ITER_CONT; + H5G_bt_it_idx_common_t *udata = (H5G_bt_it_idx_common_t *)_udata; + H5G_node_t *sn = NULL; + int ret_value = H5_ITER_CONT; FUNC_ENTER_PACKAGE @@ -1122,7 +1126,7 @@ H5G__node_by_idx(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, ha /* Get a pointer to the symbol table node */ if(NULL == (sn = (H5G_node_t *)H5AC_protect(f, dxpl_id, H5AC_SNODE, addr, f, H5AC__READ_ONLY_FLAG))) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5_ITER_ERROR, "unable to load symbol table node"); + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5_ITER_ERROR, "unable to load symbol table node"); /* Find the node, locate the object symbol table entry and retrieve the name */ if(udata->idx >= udata->num_objs && udata->idx < (udata->num_objs + sn->nsyms)) { @@ -1151,12 +1155,12 @@ done: /*------------------------------------------------------------------------- - * Function: H5G__node_init + * Function: H5G__node_init * - * Purpose: This function gets called during a file opening to initialize + * Purpose: This function gets called during a file opening to initialize * global information about group B-tree nodes for file. * - * Return: Non-negative on success + * Return: Non-negative on success * Negative on failure * * Programmer: Quincey Koziol @@ -1167,9 +1171,9 @@ done: herr_t H5G__node_init(H5F_t *f) { - H5B_shared_t *shared; /* Shared B-tree node info */ - size_t sizeof_rkey; /* Size of raw (disk) key */ - herr_t ret_value = SUCCEED; /* Return value */ + H5B_shared_t *shared; /* Shared B-tree node info */ + size_t sizeof_rkey; /* Size of raw (disk) key */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE @@ -1181,14 +1185,14 @@ H5G__node_init(H5F_t *f) /* Allocate & initialize global info for the shared structure */ if(NULL == (shared = H5B_shared_new(f, H5B_SNODE, sizeof_rkey))) - HGOTO_ERROR(H5E_BTREE, H5E_NOSPACE, FAIL, "memory allocation failed for shared B-tree info") + HGOTO_ERROR(H5E_BTREE, H5E_NOSPACE, FAIL, "memory allocation failed for shared B-tree info") /* Set up the "local" information for this file's groups */ - /* <none> */ + /* <none> */ /* Make shared B-tree info reference counted */ if(H5F_SET_GRP_BTREE_SHARED(f, H5UC_create(shared, H5B_shared_free)) < 0) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't create ref-count wrapper for shared B-tree info") + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't create ref-count wrapper for shared B-tree info") done: FUNC_LEAVE_NOAPI(ret_value) @@ -1196,12 +1200,12 @@ done: /*------------------------------------------------------------------------- - * Function: H5G_node_close + * Function: H5G_node_close * - * Purpose: This function gets called during a file close to shutdown + * Purpose: This function gets called during a file close to shutdown * global information about group B-tree nodes for file. * - * Return: Non-negative on success + * Return: Non-negative on success * Negative on failure * * Programmer: Quincey Koziol @@ -1227,12 +1231,12 @@ H5G_node_close(const H5F_t *f) /*------------------------------------------------------------------------- - * Function: H5G__node_copy + * Function: H5G__node_copy * - * Purpose: This function gets called during a group iterate operation + * Purpose: This function gets called during a group iterate operation * to copy objects of this node into a new location. * - * Return: 0(zero) on success/Negative on failure + * Return: 0(zero) on success/Negative on failure * * Programmer: Peter Cao * Sept 10, 2005 @@ -1241,7 +1245,7 @@ H5G_node_close(const H5F_t *f) */ int H5G__node_copy(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, haddr_t addr, - const void H5_ATTR_UNUSED *_rt_key, void *_udata) + const void H5_ATTR_UNUSED *_rt_key, void *_udata) { H5G_bt_it_cpy_t *udata = (H5G_bt_it_cpy_t *)_udata; const H5O_loc_t *src_oloc = udata->src_oloc; @@ -1260,7 +1264,7 @@ H5G__node_copy(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, hadd /* load the symbol table into memory from the source file */ if(NULL == (sn = (H5G_node_t *)H5AC_protect(f, dxpl_id, H5AC_SNODE, addr, f, H5AC__READ_ONLY_FLAG))) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5_ITER_ERROR, "unable to load symbol table node") + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5_ITER_ERROR, "unable to load symbol table node") /* get the base address of the heap */ if(NULL == (heap = H5HL_protect(f, dxpl_id, udata->src_heap_addr, H5AC__READ_ONLY_FLAG))) @@ -1292,7 +1296,8 @@ H5G__node_copy(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, hadd grp_loc.oloc = (H5O_loc_t *)src_oloc; /* Get pointer to link value in local heap */ - link_name = (char *)H5HL_offset_into(heap, tmp_src_ent.cache.slink.lval_offset); + if((link_name = (char *)H5HL_offset_into(heap, tmp_src_ent.cache.slink.lval_offset)) == NULL) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, H5_ITER_ERROR, "unable to get link name") /* Check if the object pointed by the soft link exists in the source file */ if(H5G_loc_info(&grp_loc, link_name, FALSE, &oinfo, H5P_DEFAULT, dxpl_id) >= 0) { @@ -1342,7 +1347,8 @@ H5G__node_copy(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, hadd /* Construct link information for eventual insertion */ lnk.type = H5L_TYPE_SOFT; - lnk.u.soft.name = (char *)H5HL_offset_into(heap, src_ent->cache.slink.lval_offset); + if((lnk.u.soft.name = (char *)H5HL_offset_into(heap, src_ent->cache.slink.lval_offset)) == NULL) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, H5_ITER_ERROR, "unable to get link name") } /* else if */ else HDassert(0 && "Unknown entry type"); @@ -1354,8 +1360,9 @@ H5G__node_copy(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, hadd /* lnk.name = name; */ /* This will be set in callback */ /* Determine name of source object */ - name = (const char *)H5HL_offset_into(heap, src_ent->name_off); - HDassert(name); + if((name = (const char *)H5HL_offset_into(heap, src_ent->name_off)) == NULL) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, H5_ITER_ERROR, "unable to get source object name") + HDassert(name); /* Set copied metadata tag */ H5_BEGIN_TAG(dxpl_id, H5AC__COPIED_TAG, H5_ITER_ERROR); @@ -1384,15 +1391,15 @@ done: /*------------------------------------------------------------------------- - * Function: H5G__node_build_table + * Function: H5G__node_build_table * - * Purpose: B-link tree callback for building table of links + * Purpose: B-link tree callback for building table of links * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * - * Programmer: Quincey Koziol - * koziol@hdfgroup.org - * Nov 19 2006 + * Programmer: Quincey Koziol + * koziol@hdfgroup.org + * Nov 19 2006 * *------------------------------------------------------------------------- */ @@ -1400,10 +1407,10 @@ int H5G__node_build_table(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_key, haddr_t addr, const void H5_ATTR_UNUSED *_rt_key, void *_udata) { - H5G_bt_it_bt_t *udata = (H5G_bt_it_bt_t *)_udata; - H5G_node_t *sn = NULL; /* Symbol table node */ - unsigned u; /* Local index variable */ - int ret_value = H5_ITER_CONT; + H5G_bt_it_bt_t *udata = (H5G_bt_it_bt_t *)_udata; + H5G_node_t *sn = NULL; /* Symbol table node */ + unsigned u; /* Local index variable */ + int ret_value = H5_ITER_CONT; FUNC_ENTER_PACKAGE @@ -1419,7 +1426,7 @@ H5G__node_build_table(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_ke * because we're about to call an application function. */ if(NULL == (sn = (H5G_node_t *)H5AC_protect(f, dxpl_id, H5AC_SNODE, addr, f, H5AC__READ_ONLY_FLAG))) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5_ITER_ERROR, "unable to load symbol table node") + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, H5_ITER_ERROR, "unable to load symbol table node") /* Check if the link table needs to be extended */ if((udata->ltable->nlinks + sn->nsyms) >= udata->alloc_nlinks) { @@ -1438,7 +1445,8 @@ H5G__node_build_table(H5F_t *f, hid_t dxpl_id, const void H5_ATTR_UNUSED *_lt_ke size_t linkno; /* Link allocated */ /* Get pointer to link's name in the heap */ - name = (const char *)H5HL_offset_into(udata->heap, sn->entry[u].name_off); + if((name = (const char *)H5HL_offset_into(udata->heap, sn->entry[u].name_off)) == NULL) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, H5_ITER_ERROR, "unable to get symbol table link name") HDassert(name); /* Determine the link to operate on in the table */ @@ -1472,8 +1480,8 @@ done: *------------------------------------------------------------------------- */ herr_t -H5G__node_iterate_size(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, const void H5_ATTR_UNUSED *_lt_key, haddr_t H5_ATTR_UNUSED addr, - const void H5_ATTR_UNUSED *_rt_key, void *_udata) +H5G__node_iterate_size(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, const void H5_ATTR_UNUSED *_lt_key, + haddr_t H5_ATTR_UNUSED addr, const void H5_ATTR_UNUSED *_rt_key, void *_udata) { hsize_t *stab_size = (hsize_t *)_udata; /* User data */ @@ -1490,16 +1498,16 @@ H5G__node_iterate_size(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, const void H5_ATT /*------------------------------------------------------------------------- - * Function: H5G_node_debug + * Function: H5G_node_debug * - * Purpose: Prints debugging information about a symbol table node - * or a B-tree node for a symbol table B-tree. + * Purpose: Prints debugging information about a symbol table node + * or a B-tree node for a symbol table B-tree. * - * Return: 0(zero) on success/Negative on failure + * Return: 0(zero) on success/Negative on failure * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Aug 4 1997 + * Programmer: Robb Matzke + * matzke@llnl.gov + * Aug 4 1997 * *------------------------------------------------------------------------- */ @@ -1507,10 +1515,10 @@ herr_t H5G_node_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent, int fwidth, haddr_t heap_addr) { - H5G_node_t *sn = NULL; - H5HL_t *heap = NULL; - unsigned u; /* Local index variable */ - herr_t ret_value = SUCCEED; /* Return value */ + H5G_node_t *sn = NULL; + H5HL_t *heap = NULL; + unsigned u; /* Local index variable */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -1537,8 +1545,8 @@ H5G_node_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent, H5E_clear_stack(NULL); /* discard that error */ udata.heap = heap; - if(H5B_debug(f, dxpl_id, addr, stream, indent, fwidth, H5B_SNODE, &udata) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, FAIL, "unable to debug B-tree node"); + if(H5B_debug(f, dxpl_id, addr, stream, indent, fwidth, H5B_SNODE, &udata) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, FAIL, "unable to debug B-tree node"); } /* end if */ else { fprintf(stream, "%*sSymbol Table Node...\n", indent, ""); @@ -1571,7 +1579,7 @@ H5G_node_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent, done: if(sn && H5AC_unprotect(f, dxpl_id, H5AC_SNODE, addr, sn, H5AC__NO_FLAGS_SET) < 0) - HDONE_ERROR(H5E_SYM, H5E_PROTECT, FAIL, "unable to release symbol table node") + HDONE_ERROR(H5E_SYM, H5E_PROTECT, FAIL, "unable to release symbol table node") if(heap && H5HL_unprotect(heap) < 0) HDONE_ERROR(H5E_SYM, H5E_PROTECT, FAIL, "unable to unprotect symbol table heap") |