/* * Copyright (C) 1997 NCSA * All rights reserved. * * Programmer: Robb Matzke * Tuesday, November 25, 1997 */ #include #include #include #include #define PABLO_MASK H5O_efl_mask /* PRIVATE PROTOTYPES */ static void *H5O_efl_decode (H5F_t *f, size_t raw_size, const uint8 *p); static herr_t H5O_efl_encode (H5F_t *f, size_t size, uint8 *p, const void *_mesg); static void *H5O_efl_copy (const void *_mesg, void *_dest); static size_t H5O_efl_size (H5F_t *f, const void *_mesg); static herr_t H5O_efl_reset (void *_mesg); static herr_t H5O_efl_debug (H5F_t *f, const void *_mesg, FILE *stream, intn indent, intn fwidth); /* This message derives from H5O */ const H5O_class_t H5O_EFL[1] = {{ H5O_EFL_ID, /*message id number */ "external file list", /*message name for debugging */ sizeof(H5O_efl_t), /*native message size */ H5O_efl_decode, /*decode message */ H5O_efl_encode, /*encode message */ H5O_efl_copy, /*copy native value */ H5O_efl_size, /*size of message on disk */ H5O_efl_reset, /*reset method */ H5O_efl_debug, /*debug the message */ }}; /* Interface initialization */ static hbool_t interface_initialize_g = FALSE; #define INTERFACE_INIT NULL /*------------------------------------------------------------------------- * Function: H5O_efl_decode * * Purpose: Decode an external file list message and return a pointer to * the message (and some other data). * * Return: Success: Ptr to a new message struct. * * Failure: NULL * * Programmer: Robb Matzke * Tuesday, November 25, 1997 * * Modifications: * *------------------------------------------------------------------------- */ static void * H5O_efl_decode (H5F_t *f, size_t raw_size, const uint8 *p) { H5O_efl_t *mesg = NULL; int i; FUNC_ENTER (H5O_efl_decode, NULL); /* check args */ assert (f); assert (p); /* decode */ mesg = H5MM_xcalloc (1, sizeof(H5O_efl_t)); H5F_addr_decode (f, &p, &(mesg->heap_addr)); UINT32DECODE (p, mesg->nalloc); assert (mesg->nalloc>0); UINT32DECODE (p, mesg->nused); assert (mesg->nused<=mesg->nalloc); mesg->offset = H5MM_xmalloc (mesg->nalloc * sizeof(size_t)); for (i=0; inused; i++) { UINT32DECODE (p, mesg->offset[i]); } FUNC_LEAVE (mesg); } /*------------------------------------------------------------------------- * Function: H5O_efl_encode * * Purpose: Encodes a message * * Return: Success: SUCCEED * * Failure: FAIL * * Programmer: Robb Matzke * Tuesday, November 25, 1997 * * Modifications: * *------------------------------------------------------------------------- */ static herr_t H5O_efl_encode (H5F_t *f, size_t raw_size, uint8 *p, const void *_mesg) { const H5O_efl_t *mesg = (const H5O_efl_t *)_mesg; int i; FUNC_ENTER (H5O_efl_encode, FAIL); /* check args */ assert (f); assert (mesg); assert (raw_size == H5O_efl_size (f, _mesg)); assert (p); /* encode */ H5F_addr_encode (f, &p, &(mesg->heap_addr)); UINT32ENCODE (p, mesg->nalloc); UINT32ENCODE (p, mesg->nused); for (i=0; inused; i++) { UINT32ENCODE (p, mesg->offset[i]); } FUNC_LEAVE (SUCCEED); } /*------------------------------------------------------------------------- * Function: H5O_efl_copy * * Purpose: Copies a message from _MESG to _DEST, allocating _DEST if * necessary. * * Return: Success: Ptr to _DEST * * Failure: NULL * * Programmer: Robb Matzke * Tuesday, November 25, 1997 * * Modifications: * *------------------------------------------------------------------------- */ static void * H5O_efl_copy (const void *_mesg, void *_dest) { const H5O_efl_t *mesg = (const H5O_efl_t *)_mesg; H5O_efl_t *dest = (H5O_efl_t *)_dest; int i; FUNC_ENTER (H5O_efl_copy, NULL); /* check args */ assert (mesg); if (!dest) { dest = H5MM_xcalloc (1, sizeof(H5O_efl_t)); dest->offset = H5MM_xmalloc (mesg->nalloc * sizeof(size_t)); } else if (dest->nallocnalloc) { H5MM_xfree (dest->offset); dest->offset = H5MM_xmalloc (mesg->nalloc * sizeof(size_t)); } dest->heap_addr = mesg->heap_addr; dest->nalloc = mesg->nalloc; dest->nused = mesg->nused; for (i=0; inused; i++) { dest->offset[i] = mesg->offset[i]; } FUNC_LEAVE ((void*)dest); } /*------------------------------------------------------------------------- * Function: H5O_efl_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 message alignment. * * Return: Success: Message data size in bytes. * * Failure: FAIL * * Programmer: Robb Matzke * Tuesday, November 25, 1997 * * Modifications: * *------------------------------------------------------------------------- */ static size_t H5O_efl_size (H5F_t *f, const void *_mesg) { const H5O_efl_t *mesg = (const H5O_efl_t *)_mesg; size_t ret_value = FAIL; FUNC_ENTER (H5O_efl_size, FAIL); /* check args */ assert (f); assert (mesg); ret_value = H5F_SIZEOF_ADDR (f) + /*heap address */ 4 + /*num slots allocated */ 4 + /*num slots used */ mesg->nalloc * 4; /*name offsets in heap */ FUNC_LEAVE (ret_value); } /*------------------------------------------------------------------------- * Function: H5O_efl_reset * * Purpose: Frees internal pointers and resets the message to an * initialial state. * * Return: Success: SUCCEED * * Failure: FAIL * * Programmer: Robb Matzke * Tuesday, November 25, 1997 * * Modifications: * *------------------------------------------------------------------------- */ static herr_t H5O_efl_reset (void *_mesg) { H5O_efl_t *mesg = (H5O_efl_t *)_mesg; FUNC_ENTER (H5O_efl_reset, FAIL); /* check args */ assert (mesg); /* reset */ mesg->nused = mesg->nalloc = 0; mesg->offset = H5MM_xfree (mesg->offset); FUNC_LEAVE (SUCCEED); } /*------------------------------------------------------------------------- * Function: H5O_efl_debug * * Purpose: Prints debugging info for a message. * * Return: Success: SUCCEED * * Failure: FAIL * * Programmer: Robb Matzke * Tuesday, November 25, 1997 * * Modifications: * *------------------------------------------------------------------------- */ static herr_t H5O_efl_debug (H5F_t *f, const void *_mesg, FILE *stream, intn indent, intn fwidth) { const H5O_efl_t *mesg = (const H5O_efl_t *)_mesg; char buf[64]; intn i; FUNC_ENTER (H5O_efl_debug, FAIL); /* check args */ assert (f); assert (mesg); assert (stream); assert (indent>=0); assert (fwidth>=0); fprintf (stream, "%*s%-*s ", indent, "", fwidth, "Heap address:"); H5F_addr_print (stream, &(mesg->heap_addr)); fprintf (stream, "\n"); fprintf (stream, "%*s%-*s %u/%u\n", indent, "", fwidth, "Slots used/allocated:", mesg->nused, mesg->nalloc); for (i=0; inused; i++) { sprintf (buf, "Name %d:", i+1); fprintf (stream, "%*s%-*s %lu\n", indent, "", fwidth, buf, (unsigned long)(mesg->offset[i])); } FUNC_LEAVE (SUCCEED); }