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-rw-r--r--src/H5Oefl.c307
1 files changed, 307 insertions, 0 deletions
diff --git a/src/H5Oefl.c b/src/H5Oefl.c
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--- /dev/null
+++ b/src/H5Oefl.c
@@ -0,0 +1,307 @@
+/*
+ * Copyright (C) 1997 NCSA
+ * All rights reserved.
+ *
+ * Programmer: Robb Matzke <matzke@llnl.gov>
+ * Tuesday, November 25, 1997
+ */
+#include <H5private.h>
+#include <H5Eprivate.h>
+#include <H5MMprivate.h>
+#include <H5Oprivate.h>
+
+#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 */
+ H5G_NOTHING_CACHED, /*symtab entry `type' field */
+ H5O_efl_decode, /*decode message */
+ H5O_efl_encode, /*encode message */
+ NULL, /*get messaage from stab entry */
+ NULL, /*put message into stab entry */
+ 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; i<mesg->nused; 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; i<mesg->nused; 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->nalloc<mesg->nalloc) {
+ 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; i<mesg->nused; 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; i<mesg->nused; i++) {
+ sprintf (buf, "Name %d:", i+1);
+ fprintf (stream, "%*s%-*s %lu\n", indent, "", fwidth,
+ buf,
+ (unsigned long)(mesg->offset[i]));
+ }
+
+ FUNC_LEAVE (SUCCEED);
+}
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