diff options
Diffstat (limited to 'src/H5G.c')
| -rw-r--r-- | src/H5G.c | 52 |
1 files changed, 40 insertions, 12 deletions
@@ -91,8 +91,8 @@ /* Packages needed by this file... */ #include "H5private.h" /* Generic Functions */ #include "H5Aprivate.h" /* Attributes */ -#include "H5Bprivate.h" /* B-trees */ -#include "H5Dprivate.h" /* Dataset functions */ +#include "H5Bprivate.h" /* B-link trees */ +#include "H5Dprivate.h" /* Datasets */ #include "H5Eprivate.h" /* Error handling */ #include "H5Fpkg.h" /* File access */ #include "H5FLprivate.h" /* Free Lists */ @@ -102,8 +102,20 @@ #include "H5MMprivate.h" /* Memory management */ #include "H5Oprivate.h" /* Object headers */ +/* Local macros */ #define H5G_INIT_HEAP 8192 #define H5G_RESERVED_ATOMS 0 +#define H5G_SIZE_HINT 256 /*default root grp size hint */ +#define H5G_NLINKS 16 /*max symlinks to follow per lookup */ + +/* + * During name lookups (see H5G_namei()) we sometimes want information about + * a symbolic link or a mount point. The normal operation is to follow the + * symbolic link or mount point and return information about its target. + */ +#define H5G_TARGET_NORMAL 0x0000 +#define H5G_TARGET_SLINK 0x0001 +#define H5G_TARGET_MOUNT 0x0002 #define PABLO_MASK H5G_mask @@ -112,12 +124,7 @@ static int interface_initialize_g = 0; #define INTERFACE_INIT H5G_init_interface static herr_t H5G_init_interface(void); -/* Local variables and typedefs */ -static H5G_typeinfo_t *H5G_type_g = NULL; /*object typing info */ -static size_t H5G_ntypes_g = 0; /*entries in type table */ -static size_t H5G_atypes_g = 0; /*entries allocated */ -static char *H5G_comp_g = NULL; /*component buffer */ -static size_t H5G_comp_alloc_g = 0; /*sizeof component buffer */ +/* Local typedefs */ /* Struct only used by change name callback function */ typedef struct H5G_names_t { @@ -133,7 +140,25 @@ typedef struct H5G_names_t { typedef enum { H5G_NAMEI_TRAVERSE, /* Just traverse groups */ H5G_NAMEI_INSERT /* Insert entry in group */ -}H5G_namei_act_t ; +} H5G_namei_act_t ; + +/* + * This table contains a list of object types, descriptions, and the + * functions that determine if some object is a particular type. The table + * is allocated dynamically. + */ +typedef struct H5G_typeinfo_t { + int type; /*one of the public H5G_* types */ + htri_t (*isa)(H5G_entry_t*, hid_t); /*function to determine type */ + char *desc; /*description of object type */ +} H5G_typeinfo_t; + +/* Local variables */ +static H5G_typeinfo_t *H5G_type_g = NULL; /*object typing info */ +static size_t H5G_ntypes_g = 0; /*entries in type table */ +static size_t H5G_atypes_g = 0; /*entries allocated */ +static char *H5G_comp_g = NULL; /*component buffer */ +static size_t H5G_comp_alloc_g = 0; /*sizeof component buffer */ /* Declare a free list to manage the H5G_t struct */ H5FL_DEFINE(H5G_t); @@ -165,6 +190,9 @@ static herr_t H5G_set_comment(H5G_entry_t *loc, const char *name, const char *buf, hid_t dxpl_id); static int H5G_get_comment(H5G_entry_t *loc, const char *name, size_t bufsize, char *buf, hid_t dxpl_id); +static herr_t H5G_register_type(int type, htri_t(*isa)(H5G_entry_t*, hid_t), + const char *desc); +static H5G_t *H5G_rootof(H5F_t *f); /*------------------------------------------------------------------------- @@ -1033,7 +1061,7 @@ H5G_term_interface(void) * *------------------------------------------------------------------------- */ -herr_t +static herr_t H5G_register_type(int type, htri_t(*isa)(H5G_entry_t*, hid_t), const char *_desc) { char *desc = NULL; @@ -1937,7 +1965,7 @@ done: * *------------------------------------------------------------------------- */ -H5G_t * +static H5G_t * H5G_rootof(H5F_t *f) { H5G_t *ret_value; /* Return value */ @@ -3265,7 +3293,7 @@ H5G_replace_ent(void *obj_ptr, hid_t obj_id, const void *key) assert(obj_ptr); /* Get the symbol table entry */ - switch(H5I_GROUP(obj_id)) { + switch(H5I_get_type(obj_id)) { case H5I_GROUP: ent = H5G_entof((H5G_t*)obj_ptr); break; |