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author | Dana Robinson <43805+derobins@users.noreply.github.com> | 2021-10-06 05:37:12 (GMT) |
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committer | GitHub <noreply@github.com> | 2021-10-06 05:37:12 (GMT) |
commit | a45b73e4275b26505d8b659d1d807a654bb60df7 (patch) | |
tree | 721928d7f14575113d5a0b27aac21cb548c25b37 /src/H5Ztrans.c | |
parent | 5592111747b1e6ea1e934a3c13d3395312215c31 (diff) | |
download | hdf5-a45b73e4275b26505d8b659d1d807a654bb60df7.zip hdf5-a45b73e4275b26505d8b659d1d807a654bb60df7.tar.gz hdf5-a45b73e4275b26505d8b659d1d807a654bb60df7.tar.bz2 |
VFD SWMR: Normalization with develop (#1078)
Brings many changes from develop, particularly VOL changes for async
Diffstat (limited to 'src/H5Ztrans.c')
-rw-r--r-- | src/H5Ztrans.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/H5Ztrans.c b/src/H5Ztrans.c index 7d55efd..ab7e9be 100644 --- a/src/H5Ztrans.c +++ b/src/H5Ztrans.c @@ -1547,11 +1547,11 @@ H5Z_xform_create(const char *expr) (HDisdigit(expr[i - 1]) || (expr[i - 1] == '.')) && (HDisdigit(expr[i + 1]) || (expr[i + 1] == '-') || (expr[i + 1] == '+'))) continue; - } + } /* end if */ count++; - } - } + } /* end if */ + } /* end for */ /* When there are no "x"'s in the equation (ie, simple transform case), * we don't need to allocate any space since no array will have to be @@ -1749,11 +1749,19 @@ done: hbool_t H5Z_xform_noop(const H5Z_data_xform_t *data_xform_prop) { - hbool_t ret_value = FALSE; /* Return value */ + hbool_t ret_value = TRUE; /* Return value */ FUNC_ENTER_NOAPI_NOINIT_NOERR - ret_value = (data_xform_prop ? FALSE : TRUE); + if (data_xform_prop) { + ret_value = FALSE; + + /* Check for trivial data tranformation: expression = "x" */ + if ((HDstrlen(data_xform_prop->xform_exp) == 1) && data_xform_prop->dat_val_pointers && + (data_xform_prop->dat_val_pointers->num_ptrs == 1)) { + ret_value = TRUE; + } /* end if */ + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* H5Z_xform_noop() */ |