/*------------------------------------------------------------------------- * Copyright (C) 1997 National Center for Supercomputing Applications. * All rights reserved. * *------------------------------------------------------------------------- * * Created: H5Ostab.c * Aug 6 1997 * Robb Matzke * * Purpose: Symbol table messages. * * Modifications: * *------------------------------------------------------------------------- */ #include #include #include #include #include #define PABLO_MASK H5O_stab_mask /* PRIVATE PROTOTYPES */ static void *H5O_stab_decode (H5F_t *f, size_t raw_size, const uint8 *p); static herr_t H5O_stab_encode (H5F_t *f, size_t size, uint8 *p, const void *_mesg); static void *H5O_stab_copy (const void *_mesg, void *_dest); static size_t H5O_stab_size (H5F_t *f, const void *_mesg); static herr_t H5O_stab_debug (H5F_t *f, const void *_mesg, FILE *stream, intn indent, intn fwidth); /* This message derives from H5O */ const H5O_class_t H5O_STAB[1] = {{ H5O_STAB_ID, /*message id number */ "stab", /*message name for debugging */ sizeof (H5O_stab_t), /*native message size */ H5O_stab_decode, /*decode message */ H5O_stab_encode, /*encode message */ H5O_stab_copy, /*copy the native value */ H5O_stab_size, /*size of symbol table entry */ NULL, /*default reset method */ H5O_stab_debug, /*debug the message */ }}; /* Interface initialization */ static hbool_t interface_initialize_g = FALSE; #define INTERFACE_INIT NULL /*------------------------------------------------------------------------- * Function: H5O_stab_decode * * Purpose: Decode a symbol table message and return a pointer to * a new one created with malloc(). * * Return: Success: Ptr to new message in native order. * * Failure: NULL * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 6 1997 * * Modifications: * *------------------------------------------------------------------------- */ static void * H5O_stab_decode (H5F_t *f, size_t raw_size, const uint8 *p) { H5O_stab_t *stab; FUNC_ENTER (H5O_stab_decode, NULL); /* check args */ assert (f); assert (raw_size == 2*H5F_SIZEOF_ADDR(f)); assert (p); /* decode */ stab = H5MM_xcalloc (1, sizeof(H5O_stab_t)); H5F_addr_decode (f, &p, &(stab->btree_addr)); H5F_addr_decode (f, &p, &(stab->heap_addr)); FUNC_LEAVE (stab); } /*------------------------------------------------------------------------- * Function: H5O_stab_encode * * Purpose: Encodes a symbol table message. * * Return: Success: SUCCEED * * Failure: FAIL * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 6 1997 * * Modifications: * *------------------------------------------------------------------------- */ static herr_t H5O_stab_encode (H5F_t *f, size_t raw_size, uint8 *p, const void *_mesg) { const H5O_stab_t *stab = (const H5O_stab_t *)_mesg; FUNC_ENTER (H5O_stab_encode, FAIL); /* check args */ assert (f); assert (raw_size == 2 * H5F_SIZEOF_ADDR(f)); assert (p); assert (stab); /* encode */ H5F_addr_encode (f, &p, &(stab->btree_addr)); H5F_addr_encode (f, &p, &(stab->heap_addr)); FUNC_LEAVE (SUCCEED); } /*------------------------------------------------------------------------- * Function: H5O_stab_fast * * Purpose: Initializes a new message struct with info from the cache of * a symbol table entry. * * Return: Success: Ptr to message struct, allocated if none * supplied. * * Failure: NULL * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 6 1997 * * Modifications: * *------------------------------------------------------------------------- */ void * H5O_stab_fast (const H5G_cache_t *cache, const H5O_class_t *type, void *_mesg) { H5O_stab_t *stab = NULL; FUNC_ENTER (H5O_stab_fast, NULL); /* check args */ assert (cache); assert (type); if (H5O_STAB==type) { if (_mesg) stab = (H5O_stab_t *)_mesg; else stab = H5MM_xcalloc (1, sizeof(H5O_stab_t)); stab->btree_addr = cache->stab.btree_addr; stab->heap_addr = cache->stab.heap_addr; } FUNC_LEAVE (stab); } /*------------------------------------------------------------------------- * Function: H5O_stab_copy * * Purpose: Copies a message from _MESG to _DEST, allocating _DEST if * necessary. * * Return: Success: Ptr to _DEST * * Failure: NULL * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 6 1997 * * Modifications: * *------------------------------------------------------------------------- */ static void * H5O_stab_copy (const void *_mesg, void *_dest) { const H5O_stab_t *stab = (const H5O_stab_t *)_mesg; H5O_stab_t *dest = (H5O_stab_t *)_dest; FUNC_ENTER (H5O_stab_copy, NULL); /* check args */ assert (stab); if (!dest) dest = H5MM_xcalloc (1, sizeof(H5O_stab_t)); /* copy */ *dest = *stab; FUNC_LEAVE ((void*)dest); } /*------------------------------------------------------------------------- * Function: H5O_stab_size * * Purpose: Returns the size of the raw message in bytes not counting * the message type or size fields, but only the data fields. * This function doesn't take into account alignment. * * Return: Success: Message data size in bytes without alignment. * * Failure: FAIL * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 6 1997 * * Modifications: * *------------------------------------------------------------------------- */ static size_t H5O_stab_size (H5F_t *f, const void *_mesg) { FUNC_ENTER (H5O_stab_size, FAIL); FUNC_LEAVE (2 * H5F_SIZEOF_ADDR(f)); } /*------------------------------------------------------------------------- * Function: H5O_stab_debug * * Purpose: Prints debugging info for a symbol table message. * * Return: Success: SUCCEED * * Failure: FAIL * * Programmer: Robb Matzke * matzke@llnl.gov * Aug 6 1997 * * Modifications: * *------------------------------------------------------------------------- */ static herr_t H5O_stab_debug (H5F_t *f, const void *_mesg, FILE *stream, intn indent, intn fwidth) { const H5O_stab_t *stab = (const H5O_stab_t *)_mesg; FUNC_ENTER (H5O_stab_debug, FAIL); /* check args */ assert (f); assert (stab); assert (stream); assert (indent>=0); assert (fwidth>=0); fprintf (stream, "%*s%-*s ", indent, "", fwidth, "B-tree address:"); H5F_addr_print (stream, &(stab->btree_addr)); fprintf (stream, "\n"); fprintf (stream, "%*s%-*s ", indent, "", fwidth, "Name heap address:"); H5F_addr_print (stream, &(stab->heap_addr)); fprintf (stream, "\n"); FUNC_LEAVE (SUCCEED); }