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Update version number for various methods in h5ex_g_traverse.c
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Glenn Song committed Dec 21, 2023
1 parent 2149744 commit b90a208
Showing 1 changed file with 53 additions and 16 deletions.
69 changes: 53 additions & 16 deletions HDF5Examples/C/H5G/h5ex_g_traverse.c
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Original file line number Diff line number Diff line change
Expand Up @@ -25,30 +25,38 @@
struct opdata {
unsigned recurs; /* Recursion level. 0=root */
struct opdata *prev; /* Pointer to previous opdata */
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
H5O_token_t token;
#else
haddr_t addr; /* Group address */
#endif
};

/*
* Operator function to be called by H5Literate.
*/
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
herr_t op_func(hid_t loc_id, const char *name, const H5L_info1_t *info, void *operator_data);
herr_t op_func(hid_t loc_id, const char *name, const H5L_info2_t *info, void *operator_data);
#else
herr_t op_func(hid_t loc_id, const char *name, const H5L_info_t *info, void *operator_data);
#endif

/*
* Function to check for duplicate groups in a path.
*/
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
int group_check(hid_t loc_id, struct opdata *od, H5O_token_t target_tok);
#else
int group_check(struct opdata *od, haddr_t target_addr);
#endif

int
main(void)
{
hid_t file; /* Handle */
herr_t status;
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
H5O_info1_t infobuf;
H5O_info2_t infobuf;
#else
H5O_info_t infobuf;
#endif
Expand All @@ -59,20 +67,24 @@ main(void)
*/
file = H5Fopen(FILE, H5F_ACC_RDONLY, H5P_DEFAULT);
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
status = H5Oget_info2(file, &infobuf, H5O_INFO_ALL);
status = H5Oget_info3(file, &infobuf, H5O_INFO_ALL);
#else
status = H5Oget_info(file, &infobuf);
#endif
od.recurs = 0;
od.prev = NULL;
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
od.token = infobuf.token;
#else
od.addr = infobuf.addr;
#endif

/*
* Print the root group and formatting, begin iteration.
*/
printf("/ {\n");
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
status = H5Literate1(file, H5_INDEX_NAME, H5_ITER_NATIVE, NULL, op_func, (void *)&od);
status = H5Literate2(file, H5_INDEX_NAME, H5_ITER_NATIVE, NULL, op_func, (void *)&od);
#else
status = H5Literate(file, H5_INDEX_NAME, H5_ITER_NATIVE, NULL, op_func, (void *)&od);
#endif
Expand All @@ -99,15 +111,15 @@ main(void)
************************************************************/
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
herr_t
op_func(hid_t loc_id, const char *name, const H5L_info1_t *info, void *operator_data)
op_func(hid_t loc_id, const char *name, const H5L_info2_t *info, void *operator_data)
#else
herr_t
op_func(hid_t loc_id, const char *name, const H5L_info_t *info, void *operator_data)
#endif
{
herr_t status, return_val = 0;
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
H5O_info1_t infobuf;
H5O_info2_t infobuf;
#else
H5O_info_t infobuf;
#endif
Expand All @@ -123,7 +135,7 @@ op_func(hid_t loc_id, const char *name, const H5L_info_t *info, void *operator_d
* the Library.
*/
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
status = H5Oget_info_by_name2(loc_id, name, &infobuf, H5O_INFO_ALL, H5P_DEFAULT);
status = H5Oget_info_by_name3(loc_id, name, &infobuf, H5O_INFO_ALL, H5P_DEFAULT);
#else
status = H5Oget_info_by_name(loc_id, name, &infobuf, H5P_DEFAULT);
#endif
Expand All @@ -133,7 +145,7 @@ op_func(hid_t loc_id, const char *name, const H5L_info_t *info, void *operator_d
printf("Group: %s {\n", name);

/*
* Check group address against linked list of operator
* Check group address or token against linked list of operator
* data structures. We will always run the check, as the
* reference count cannot be relied upon if there are
* symbolic links, and H5Oget_info_by_name always follows
Expand All @@ -143,8 +155,12 @@ op_func(hid_t loc_id, const char *name, const H5L_info_t *info, void *operator_d
* reference count was manually manipulated with
* H5Odecr_refcount.
*/
if (group_check(od, infobuf.addr)) {
printf("%*s Warning: Loop detected!\n", spaces, "");
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
if (group_check(loc_id, od, infobuf.token)) {
#else
if (group_check(od, infobuf.addr)) {
#endif
printf("%*s Warning: Loop detected!\n", spaces, "");
}
else {

Expand All @@ -157,13 +173,15 @@ op_func(hid_t loc_id, const char *name, const H5L_info_t *info, void *operator_d
struct opdata nextod;
nextod.recurs = od->recurs + 1;
nextod.prev = od;
nextod.addr = infobuf.addr;
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
return_val = H5Literate_by_name1(loc_id, name, H5_INDEX_NAME, H5_ITER_NATIVE, NULL, op_func,
nextod.token = infobuf.token;
return_val = H5Literate_by_name2(loc_id, name, H5_INDEX_NAME, H5_ITER_NATIVE, NULL, op_func,
(void *)&nextod, H5P_DEFAULT);
#else
return_val = H5Literate_by_name(loc_id, name, H5_INDEX_NAME, H5_ITER_NATIVE, NULL, op_func,
nextod.addr = infobuf.addr;
return_val = H5Literate_by_name(loc_id, name, H5_INDEX_NAME, H5_ITER_NATIVE, NULL, op_func,
(void *)&nextod, H5P_DEFAULT);

#endif
}
printf("%*s}\n", spaces, "");
Expand All @@ -184,11 +202,28 @@ op_func(hid_t loc_id, const char *name, const H5L_info_t *info, void *operator_d
/************************************************************
This function recursively searches the linked list of
opdata structures for one whose address matches
target_addr. Returns 1 if a match is found, and 0
otherwise.
opdata structures for one whose address or object token
matches target_addr or target_tok. Returns 1 if a match
is found, and 0 otherwise.
************************************************************/

#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
int
group_check(hid_t loc_id, struct opdata *od, H5O_token_t target_token)
{
int cmp_value;
H5Otoken_cmp(loc_id, &(od->token), &target_token, &cmp_value);
if (cmp_value == 0)
return 1; /* Addresses match */
else if (!od->recurs)
return 0; /* Root group reached with no matches */
else
return group_check(loc_id, od->prev, target_token);
/* Recursively examine the next node */
}

#else
int
group_check(struct opdata *od, haddr_t target_addr)
{
Expand All @@ -200,3 +235,5 @@ group_check(struct opdata *od, haddr_t target_addr)
return group_check(od->prev, target_addr);
/* Recursively examine the next node */
}
#endif

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