diff options
Diffstat (limited to 'src/H5TB.c')
| -rw-r--r-- | src/H5TB.c | 48 |
1 files changed, 48 insertions, 0 deletions
@@ -192,6 +192,32 @@ H5TB_int_cmp(const void *k1, const void *k2, int UNUSED cmparg) /*------------------------------------------------------------------------- + * Function: H5TB_hsize_cmp + * + * Purpose: Key comparison routine for TBBT routines + * + * Return: same as comparing two hsize_t's + * + * Programmer: Quincey Koziol + * Friday, December 20, 2002 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +static int +H5TB_hsize_cmp(const void *k1, const void *k2, int UNUSED cmparg) +{ + FUNC_ENTER_NOINIT(H5TB_hsize_cmp); + + assert(k1); + assert(k2); + + FUNC_LEAVE_NOAPI(*(const hsize_t *)k1 - *(const hsize_t *)k2); +} /* end H5TB_hsize_cmp() */ + + +/*------------------------------------------------------------------------- * Function: H5TB_fast_dmake * * Purpose: Wrapper around H5TB_dmake for callers which want to use @@ -233,6 +259,11 @@ H5TB_fast_dmake(unsigned fast_compare) cmparg=-1; break; + case H5TB_FAST_HSIZE_COMPARE: + compar=H5TB_hsize_cmp; + cmparg=-1; + break; + default: HGOTO_ERROR (H5E_TBBT, H5E_BADVALUE, NULL, "invalid fast comparison type"); } /* end switch */ @@ -1459,6 +1490,23 @@ H5TB_ffind(H5TB_NODE * root, const void * key, unsigned fast_compare, H5TB_NODE ret_value= (0 == cmp) ? ptr : NULL; break; + case H5TB_FAST_HSIZE_COMPARE: + if (ptr) { + while (0 != (cmp = (int)(*(const hsize_t *)key - *(hsize_t *)ptr->key))) { + parent = ptr; + side = (cmp < 0) ? LEFT : RIGHT; + if (!HasChild(ptr, side)) + break; + ptr = ptr->link[side]; + } /* end while */ + } /* end if */ + if (NULL != pp) + *pp = parent; + + /* Set return value */ + ret_value= (0 == cmp) ? ptr : NULL; + break; + default: break; } /* end switch */ |