diff options
Diffstat (limited to 'src/H5Ipkg.h')
| -rw-r--r-- | src/H5Ipkg.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/src/H5Ipkg.h b/src/H5Ipkg.h index aab865c..d172f97 100644 --- a/src/H5Ipkg.h +++ b/src/H5Ipkg.h @@ -37,23 +37,25 @@ /**************************/ /* - * Number of bits to use for Group ID in each atom. Increase if H5I_NGROUPS - * becomes too large (an assertion would fail in H5I_init_interface). This is - * the only number that must be changed since all other bit field sizes and - * masks are calculated from GROUP_BITS. + * Number of bits to use for ID Type in each atom. Increase if more types + * are needed (though this will decrease the number of available IDs per + * type). This is the only number that must be changed since all other bit + * field sizes and masks are calculated from TYPE_BITS. */ -#define GROUP_BITS 5 -#define GROUP_MASK ((1<<GROUP_BITS)-1) +#define TYPE_BITS 7 +#define TYPE_MASK ((1<<TYPE_BITS)-1) + +#define MAX_NUM_TYPES TYPE_MASK /* * Number of bits to use for the Atom index in each atom (assumes 8-bit * bytes). We don't use the sign bit. */ -#define ID_BITS ((sizeof(hid_t)*8)-(GROUP_BITS+1)) +#define ID_BITS ((sizeof(hid_t)*8)-(TYPE_BITS+1)) #define ID_MASK ((1<<ID_BITS)-1) -/* Map an atom to a Group number */ -#define H5I_GRP(a) ((H5I_type_t)(((hid_t)(a)>>ID_BITS) & GROUP_MASK)) +/* Map an atom to an ID type number */ +#define H5I_TYPE(a) ((H5I_type_t)(((hid_t)(a)>>ID_BITS) & TYPE_MASK)) /****************************/ |