diff options
Diffstat (limited to 'src/H5HGprivate.h')
| -rw-r--r-- | src/H5HGprivate.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/H5HGprivate.h b/src/H5HGprivate.h index aebb3f8..c6ec1cd 100644 --- a/src/H5HGprivate.h +++ b/src/H5HGprivate.h @@ -10,6 +10,8 @@ #include <H5HGpublic.h> +#include <H5Fprivate.h> + /* * Each collection has a magic number for some redundancy. */ @@ -59,14 +61,27 @@ * The initial guess for the number of messages in a collection. We assume * that all objects in that collection are zero length, giving the maximum * possible number of objects in the collection. The collection itself has - * some overhead and each message has some overhead. + * some overhead and each message has some overhead. The `+2' accounts for + * rounding and for the free space object. */ #define H5HG_NOBJS(f,z) (int)((((z)-H5HG_SIZEOF_HDR(f))/ \ - H5HG_SIZEOF_OBJHDR(f)+1)) + H5HG_SIZEOF_OBJHDR(f)+2)) + +/* + * Makes a global heap object pointer undefined, or checks whether one is + * defined. + */ +#define H5HG_undef(HGP) ((HGP)->idx=0) +#define H5HG_defined(HGP) ((HGP)->idx!=0) + +typedef struct H5HG_t { + haddr_t addr; /*address of collection */ + intn idx; /*object ID within collection */ +} H5HG_t; -typedef struct H5HG_t H5HG_t; +typedef struct H5HG_heap_t H5HG_heap_t; -herr_t H5HG_create (H5F_t *f, size_t size); +H5HG_heap_t *H5HG_create (H5F_t *f, size_t size); herr_t H5HG_insert (H5F_t *f, size_t size, void *obj, H5HG_t *hobj/*out*/); void *H5HG_peek (H5F_t *f, H5HG_t *hobj); void *H5HG_read (H5F_t *f, H5HG_t *hobj, void *object); |