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Fix h5py testing failure due to invalid datatype IDs #4321

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merged 2 commits into from
Apr 4, 2024
Merged

Fix h5py testing failure due to invalid datatype IDs #4321

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9b1b65a
Fix h5py testing failure due to invalid datatype IDs
jhendersonHDF Apr 4, 2024
42954bf
Merge remote-tracking branch 'canonical/develop' into app_conv_ids_fix
lrknox Apr 4, 2024
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27 changes: 19 additions & 8 deletions src/H5T.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3394,6 +3394,7 @@ H5T__create(H5T_class_t type, size_t size)
/* Copy the default string datatype */
if (NULL == (dt = H5T_copy(origin_dt, H5T_COPY_TRANSIENT)))
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to copy");
dt->shared->type = type;
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The logic for H5Tcreate with H5T_INTEGER, H5T_FLOAT, H5T_TIME and H5T_STRING weren't setting the new datatype's type to the given type, like the other cases below. This meant that newly-created types in any combination of these four categories could compare equal to each other if their sizes are the same.


/* Modify the datatype */
if (H5T__set_size(dt, size) < 0)
Expand Down Expand Up @@ -4578,6 +4579,8 @@ H5T_cmp(const H5T_t *dt1, const H5T_t *dt2, bool superset)
/*
* Compound data types...
*/
if (dt1->shared->u.compnd.nmembs == 0 && dt2->shared->u.compnd.nmembs == 0)
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Shortcut for comparing two compounds with 0 members. Also avoids a segfault in the debugging code below, but I added a check there to be safe.

HGOTO_DONE(0);
if (dt1->shared->u.compnd.nmembs < dt2->shared->u.compnd.nmembs)
HGOTO_DONE(-1);
if (dt1->shared->u.compnd.nmembs > dt2->shared->u.compnd.nmembs)
Expand Down Expand Up @@ -4620,11 +4623,13 @@ H5T_cmp(const H5T_t *dt1, const H5T_t *dt2, bool superset)

#ifdef H5T_DEBUG
/* I don't quite trust the code above yet :-) --RPM */
for (u = 0; u < dt1->shared->u.compnd.nmembs - 1; u++) {
assert(strcmp(dt1->shared->u.compnd.memb[idx1[u]].name,
dt1->shared->u.compnd.memb[idx1[u + 1]].name));
assert(strcmp(dt2->shared->u.compnd.memb[idx2[u]].name,
dt2->shared->u.compnd.memb[idx2[u + 1]].name));
if (dt1->shared->u.compnd.nmembs > 0) {
for (u = 0; u < dt1->shared->u.compnd.nmembs - 1; u++) {
assert(strcmp(dt1->shared->u.compnd.memb[idx1[u]].name,
dt1->shared->u.compnd.memb[idx1[u + 1]].name));
assert(strcmp(dt2->shared->u.compnd.memb[idx2[u]].name,
dt2->shared->u.compnd.memb[idx2[u + 1]].name));
}
}
#endif

Expand Down Expand Up @@ -4660,6 +4665,8 @@ H5T_cmp(const H5T_t *dt1, const H5T_t *dt2, bool superset)
/*
* Enumeration data types...
*/
if (dt1->shared->u.enumer.nmembs == 0 && dt2->shared->u.enumer.nmembs == 0)
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Shortcut for comparing two enums with 0 members. Also avoids a segfault in the debugging code below, but I added a check there to be safe.

HGOTO_DONE(0);

/* If we are doing a "superset" comparison, dt2 is allowed to have
* more members than dt1
Expand Down Expand Up @@ -4717,9 +4724,13 @@ H5T_cmp(const H5T_t *dt1, const H5T_t *dt2, bool superset)

#ifdef H5T_DEBUG
/* I don't quite trust the code above yet :-) --RPM */
for (u = 0; u < dt1->shared->u.enumer.nmembs - 1; u++) {
assert(strcmp(dt1->shared->u.enumer.name[idx1[u]], dt1->shared->u.enumer.name[idx1[u + 1]]));
assert(strcmp(dt2->shared->u.enumer.name[idx2[u]], dt2->shared->u.enumer.name[idx2[u + 1]]));
if (dt1->shared->u.enumer.nmembs > 0) {
for (u = 0; u < dt1->shared->u.enumer.nmembs - 1; u++) {
assert(
strcmp(dt1->shared->u.enumer.name[idx1[u]], dt1->shared->u.enumer.name[idx1[u + 1]]));
assert(
strcmp(dt2->shared->u.enumer.name[idx2[u]], dt2->shared->u.enumer.name[idx2[u + 1]]));
}
}
#endif

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