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hdf5/CVE-2017-17506.patch
guoxiaoqi 91fb3ff44d fix cves
2020-12-14 10:54:55 +08:00

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From b1a6873b1021c967b661727edae9de87d194f744 Mon Sep 17 00:00:00 2001
From: Dana Robinson <derobins@hdfgroup.org>
Date: Mon, 26 Feb 2018 18:31:40 -0800
Subject: [PATCH] CVE-2017-17506
---
src/H5Abtree2.c | 4 +-
src/H5Adense.c | 4 +-
src/H5Gbtree2.c | 4 +-
src/H5Gdense.c | 20 +--
src/H5HFcache.c | 2 +-
src/H5Oainfo.c | 5 +-
src/H5Oattr.c | 8 +-
src/H5Obogus.c | 5 +-
src/H5Obtreek.c | 5 +-
src/H5Ocache_image.c | 377 +++++++++++++++++++++++++++++++++++++++
src/H5Ocont.c | 5 +-
src/H5Odrvinfo.c | 5 +-
src/H5Odtype.c | 4 +-
src/H5Oefl.c | 5 +-
src/H5Ofill.c | 10 +-
src/H5Ofsinfo.c | 408 +++++++++++++++++++++++++++++++++++++++++++
src/H5Oginfo.c | 5 +-
src/H5Olayout.c | 5 +-
src/H5Olinfo.c | 5 +-
src/H5Olink.c | 5 +-
src/H5Omessage.c | 4 +-
src/H5Omtime.c | 10 +-
src/H5Oname.c | 5 +-
src/H5Opkg.h | 4 +-
src/H5Opline.c | 51 +++---
src/H5Oprivate.h | 2 +-
src/H5Orefcount.c | 5 +-
src/H5Osdspace.c | 5 +-
src/H5Oshared.c | 2 +-
src/H5Oshared.h | 8 +-
src/H5Oshmesg.c | 5 +-
src/H5Ostab.c | 5 +-
src/H5S.c | 2 +-
src/H5SM.c | 16 +-
src/H5T.c | 13 +-
src/H5Tprivate.h | 2 +
36 files changed, 926 insertions(+), 104 deletions(-)
create mode 100644 src/H5Ocache_image.c
create mode 100644 src/H5Ofsinfo.c
diff --git a/src/H5Abtree2.c b/src/H5Abtree2.c
index 33a031e6f1..02fffce21c 100644
--- a/src/H5Abtree2.c
+++ b/src/H5Abtree2.c
@@ -162,7 +162,7 @@ const H5B2_class_t H5A_BT2_CORDER[1]={{ /* B-tree class information */
*-------------------------------------------------------------------------
*/
static herr_t
-H5A_dense_fh_name_cmp(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_udata)
+H5A__dense_fh_name_cmp(const void *obj, size_t obj_len, void *_udata)
{
H5A_fh_ud_cmp_t *udata = (H5A_fh_ud_cmp_t *)_udata; /* User data for 'op' callback */
H5A_t *attr = NULL; /* Pointer to attribute created from heap object */
@@ -172,7 +172,7 @@ H5A_dense_fh_name_cmp(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_uda
FUNC_ENTER_NOAPI_NOINIT
/* Decode attribute information */
- if(NULL == (attr = (H5A_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_ATTR_ID, (const unsigned char *)obj)))
+ if(NULL == (attr = (H5A_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_ATTR_ID, obj_len, (const unsigned char *)obj)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, FAIL, "can't decode attribute")
/* Compare the string values */
diff --git a/src/H5Adense.c b/src/H5Adense.c
index 291f422c62..ab159ff5e8 100644
--- a/src/H5Adense.c
+++ b/src/H5Adense.c
@@ -843,7 +843,7 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5A__dense_copy_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_udata)
+H5A__dense_copy_fh_cb(const void *obj, size_t obj_len, void *_udata)
{
H5A_fh_ud_cp_t *udata = (H5A_fh_ud_cp_t *)_udata; /* User data for fractal heap 'op' callback */
herr_t ret_value = SUCCEED; /* Return value */
@@ -857,7 +857,7 @@ H5A__dense_copy_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_uda
* HDF5 routine, it could attempt to re-protect that direct block for the
* heap, causing the HDF5 routine called to fail)
*/
- if(NULL == (udata->attr = (H5A_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_ATTR_ID, (const unsigned char *)obj)))
+ if(NULL == (udata->attr = (H5A_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_ATTR_ID, obj_len, (const unsigned char *)obj)))
HGOTO_ERROR(H5E_ATTR, H5E_CANTDECODE, FAIL, "can't decode attribute")
/* Set the creation order index for the attribute */
diff --git a/src/H5Gbtree2.c b/src/H5Gbtree2.c
index 888c611d77..d520484890 100644
--- a/src/H5Gbtree2.c
+++ b/src/H5Gbtree2.c
@@ -159,7 +159,7 @@ const H5B2_class_t H5G_BT2_CORDER[1]={{ /* B-tree class information */
*-------------------------------------------------------------------------
*/
static herr_t
-H5G_dense_fh_name_cmp(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_udata)
+H5G_dense_fh_name_cmp(const void *obj, size_t obj_len, void *_udata)
{
H5G_fh_ud_cmp_t *udata = (H5G_fh_ud_cmp_t *)_udata; /* User data for 'op' callback */
H5O_link_t *lnk; /* Pointer to link created from heap object */
@@ -168,7 +168,7 @@ H5G_dense_fh_name_cmp(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_uda
FUNC_ENTER_NOAPI_NOINIT
/* Decode link information */
- if(NULL == (lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, (const unsigned char *)obj)))
+ if(NULL == (lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, obj_len, (const unsigned char *)obj)))
HGOTO_ERROR(H5E_SYM, H5E_CANTDECODE, FAIL, "can't decode link")
/* Compare the string values */
diff --git a/src/H5Gdense.c b/src/H5Gdense.c
index 9ec895187d..a43939eb97 100644
--- a/src/H5Gdense.c
+++ b/src/H5Gdense.c
@@ -597,7 +597,7 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5G_dense_lookup_by_idx_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_udata)
+H5G_dense_lookup_by_idx_fh_cb(const void *obj, size_t obj_len, void *_udata)
{
H5G_fh_ud_lbi_t *udata = (H5G_fh_ud_lbi_t *)_udata; /* User data for fractal heap 'op' callback */
H5O_link_t *tmp_lnk = NULL; /* Temporary pointer to link */
@@ -606,7 +606,7 @@ H5G_dense_lookup_by_idx_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, vo
FUNC_ENTER_NOAPI_NOINIT
/* Decode link information & keep a copy */
- if(NULL == (tmp_lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, (const unsigned char *)obj)))
+ if(NULL == (tmp_lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, obj_len, (const unsigned char *)obj)))
HGOTO_ERROR(H5E_SYM, H5E_CANTDECODE, FAIL, "can't decode link")
/* Copy link information */
@@ -887,7 +887,7 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5G_dense_iterate_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_udata)
+H5G_dense_iterate_fh_cb(const void *obj, size_t obj_len, void *_udata)
{
H5G_fh_ud_it_t *udata = (H5G_fh_ud_it_t *)_udata; /* User data for fractal heap 'op' callback */
herr_t ret_value = SUCCEED; /* Return value */
@@ -901,7 +901,7 @@ H5G_dense_iterate_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_u
* HDF5 routine, it could attempt to re-protect that direct block for the
* heap, causing the HDF5 routine called to fail - QAK)
*/
- if(NULL == (udata->lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, (const unsigned char *)obj)))
+ if(NULL == (udata->lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, obj_len, (const unsigned char *)obj)))
HGOTO_ERROR(H5E_SYM, H5E_CANTDECODE, FAIL, "can't decode link")
done:
@@ -1099,7 +1099,7 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5G_dense_get_name_by_idx_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_udata)
+H5G_dense_get_name_by_idx_fh_cb(const void *obj, size_t obj_len, void *_udata)
{
H5G_fh_ud_gnbi_t *udata = (H5G_fh_ud_gnbi_t *)_udata; /* User data for fractal heap 'op' callback */
H5O_link_t *lnk; /* Pointer to link created from heap object */
@@ -1108,7 +1108,7 @@ H5G_dense_get_name_by_idx_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len,
FUNC_ENTER_NOAPI_NOINIT
/* Decode link information */
- if(NULL == (lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, (const unsigned char *)obj)))
+ if(NULL == (lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, obj_len, (const unsigned char *)obj)))
HGOTO_ERROR(H5E_SYM, H5E_CANTDECODE, FAIL, "can't decode link")
/* Get the length of the name */
@@ -1306,7 +1306,7 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5G_dense_remove_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_udata)
+H5G_dense_remove_fh_cb(const void *obj, size_t obj_len, void *_udata)
{
H5G_fh_ud_rm_t *udata = (H5G_fh_ud_rm_t *)_udata; /* User data for fractal heap 'op' callback */
H5O_link_t *lnk = NULL; /* Pointer to link created from heap object */
@@ -1316,7 +1316,7 @@ H5G_dense_remove_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_ud
FUNC_ENTER_NOAPI_NOINIT
/* Decode link information */
- if(NULL == (lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, (const unsigned char *)obj)))
+ if(NULL == (lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, obj_len, (const unsigned char *)obj)))
HGOTO_ERROR(H5E_SYM, H5E_CANTDECODE, FAIL, "can't decode link")
/* Check for removing the link from the creation order index */
@@ -1483,7 +1483,7 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5G_dense_remove_by_idx_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, void *_udata)
+H5G_dense_remove_by_idx_fh_cb(const void *obj, size_t obj_len, void *_udata)
{
H5G_fh_ud_rmbi_t *udata = (H5G_fh_ud_rmbi_t *)_udata; /* User data for fractal heap 'op' callback */
herr_t ret_value = SUCCEED; /* Return value */
@@ -1491,7 +1491,7 @@ H5G_dense_remove_by_idx_fh_cb(const void *obj, size_t H5_ATTR_UNUSED obj_len, vo
FUNC_ENTER_NOAPI_NOINIT
/* Decode link information */
- if(NULL == (udata->lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, (const unsigned char *)obj)))
+ if(NULL == (udata->lnk = (H5O_link_t *)H5O_msg_decode(udata->f, udata->dxpl_id, NULL, H5O_LINK_ID, obj_len, (const unsigned char *)obj)))
HGOTO_ERROR(H5E_SYM, H5E_CANTDECODE, H5_ITER_ERROR, "can't decode link")
/* Can't operate on link here because the fractal heap block is locked */
diff --git a/src/H5HFcache.c b/src/H5HFcache.c
index f0d251c8de..319a865438 100644
--- a/src/H5HFcache.c
+++ b/src/H5HFcache.c
@@ -384,7 +384,7 @@ H5HF_cache_hdr_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_udata)
UINT32DECODE(p, hdr->pline_root_direct_filter_mask);
/* Decode I/O filter information */
- if(NULL == (pline = (H5O_pline_t *)H5O_msg_decode(hdr->f, udata->dxpl_id, NULL, H5O_PLINE_ID, p)))
+ if(NULL == (pline = (H5O_pline_t *)H5O_msg_decode(hdr->f, udata->dxpl_id, NULL, H5O_PLINE_ID, len, image)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, NULL, "can't decode I/O pipeline filters")
p += hdr->filter_len;
diff --git a/src/H5Oainfo.c b/src/H5Oainfo.c
index e85df44262..5aab4c6c32 100644
--- a/src/H5Oainfo.c
+++ b/src/H5Oainfo.c
@@ -34,7 +34,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_ainfo_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_ainfo_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_ainfo_copy(const void *_mesg, void *_dest);
static size_t H5O_ainfo_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -104,7 +104,8 @@ H5FL_DEFINE_STATIC(H5O_ainfo_t);
*/
static void *
H5O_ainfo_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_ainfo_t *ainfo = NULL; /* Attribute info */
unsigned char flags; /* Flags for encoding attribute info */
diff --git a/src/H5Oattr.c b/src/H5Oattr.c
index a8d2a311b2..882912155a 100644
--- a/src/H5Oattr.c
+++ b/src/H5Oattr.c
@@ -26,7 +26,7 @@
/* PRIVATE PROTOTYPES */
static herr_t H5O_attr_encode(H5F_t *f, uint8_t *p, const void *mesg);
static void *H5O_attr_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static void *H5O_attr_copy(const void *_mesg, void *_dest);
static size_t H5O_attr_size(const H5F_t *f, const void *_mesg);
static herr_t H5O_attr_free(void *mesg);
@@ -121,7 +121,7 @@ H5FL_EXTERN(H5S_extent_t);
--------------------------------------------------------------------------*/
static void *
H5O_attr_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned H5_ATTR_UNUSED mesg_flags,
- unsigned *ioflags, const uint8_t *p)
+ unsigned *ioflags, size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5A_t *attr = NULL;
H5S_extent_t *extent; /*extent dimensionality information */
@@ -187,7 +187,7 @@ H5O_attr_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned H5_ATTR_UNUSED
/* Decode the attribute's datatype */
if(NULL == (attr->shared->dt = (H5T_t *)(H5O_MSG_DTYPE->decode)(f, dxpl_id, open_oh,
- ((flags & H5O_ATTR_FLAG_TYPE_SHARED) ? H5O_MSG_FLAG_SHARED : 0), ioflags, p)))
+ ((flags & H5O_ATTR_FLAG_TYPE_SHARED) ? H5O_MSG_FLAG_SHARED : 0), ioflags, attr->shared->dt_size, p)))
HGOTO_ERROR(H5E_ATTR, H5E_CANTDECODE, NULL, "can't decode attribute datatype")
if(attr->shared->version < H5O_ATTR_VERSION_2)
p += H5O_ALIGN_OLD(attr->shared->dt_size);
@@ -202,7 +202,7 @@ H5O_attr_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned H5_ATTR_UNUSED
/* Decode attribute's dataspace extent */
if((extent = (H5S_extent_t *)(H5O_MSG_SDSPACE->decode)(f, dxpl_id, open_oh,
- ((flags & H5O_ATTR_FLAG_SPACE_SHARED) ? H5O_MSG_FLAG_SHARED : 0), ioflags, p)) == NULL)
+ ((flags & H5O_ATTR_FLAG_SPACE_SHARED) ? H5O_MSG_FLAG_SHARED : 0), ioflags, attr->shared->ds_size, p)) == NULL)
HGOTO_ERROR(H5E_ATTR, H5E_CANTDECODE, NULL, "can't decode attribute dataspace")
/* Copy the extent information to the dataspace */
diff --git a/src/H5Obogus.c b/src/H5Obogus.c
index 7a058b2452..ba9a8ada34 100644
--- a/src/H5Obogus.c
+++ b/src/H5Obogus.c
@@ -37,7 +37,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_bogus_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_bogus_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static size_t H5O_bogus_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
static herr_t H5O_bogus_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE * stream,
@@ -110,7 +110,8 @@ const H5O_msg_class_t H5O_MSG_BOGUS_INVALID[1] = {{
*/
static void *
H5O_bogus_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_bogus_t *mesg = NULL;
void *ret_value; /* Return value */
diff --git a/src/H5Obtreek.c b/src/H5Obtreek.c
index 70aacc7644..6bcdcc3af3 100644
--- a/src/H5Obtreek.c
+++ b/src/H5Obtreek.c
@@ -27,7 +27,7 @@
#include "H5MMprivate.h" /* Memory management */
static void *H5O_btreek_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_btreek_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_btreek_copy(const void *_mesg, void *_dest);
static size_t H5O_btreek_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -78,7 +78,8 @@ const H5O_msg_class_t H5O_MSG_BTREEK[1] = {{
*/
static void *
H5O_btreek_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_btreek_t *mesg; /* Native message */
void *ret_value; /* Return value */
diff --git a/src/H5Ocache_image.c b/src/H5Ocache_image.c
new file mode 100644
index 0000000000..d2b65bbb8c
--- /dev/null
+++ b/src/H5Ocache_image.c
@@ -0,0 +1,377 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group. *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the COPYING file, which can be found at the root of the source code *
+ * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
+ * If you do not have access to either file, you may request a copy from *
+ * help@hdfgroup.org. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5Ocache_image.c
+ * June 21, 2015
+ * John Mainzer
+ *
+ * Purpose: A message indicating that a metadata cache image block
+ * of the indicated length exists at the specified offset
+ * in the HDF5 file.
+ *
+ * The mdci_msg only appears in the superblock extension.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "H5Omodule.h" /* This source code file is part of the H5O module */
+
+
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5Fprivate.h" /* Files */
+#include "H5FLprivate.h" /* Free Lists */
+#include "H5Opkg.h" /* Object headers */
+#include "H5MFprivate.h" /* File space management */
+
+/* Callbacks for message class */
+static void *H5O__mdci_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
+static herr_t H5O__mdci_encode(H5F_t *f, hbool_t disable_shared,
+ uint8_t *p, const void *_mesg);
+static void *H5O__mdci_copy(const void *_mesg, void *_dest);
+static size_t H5O__mdci_size(const H5F_t *f, hbool_t disable_shared,
+ const void *_mesg);
+static herr_t H5O__mdci_free(void *mesg);
+static herr_t H5O__mdci_delete(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
+ void *_mesg);
+static herr_t H5O__mdci_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg,
+ FILE *stream, int indent, int fwidth);
+
+/* This message derives from H5O message class */
+const H5O_msg_class_t H5O_MSG_MDCI[1] = {{
+ H5O_MDCI_MSG_ID, /* message id number */
+ "mdci", /* message name for debugging */
+ sizeof(H5O_mdci_t), /* native message size */
+ 0, /* messages are sharable? */
+ H5O__mdci_decode, /* decode message */
+ H5O__mdci_encode, /* encode message */
+ H5O__mdci_copy, /* copy method */
+ H5O__mdci_size, /* size of mdc image message */
+ NULL, /* reset method */
+ H5O__mdci_free, /* free method */
+ H5O__mdci_delete, /* file delete method */
+ NULL, /* link method */
+ NULL, /* set share method */
+ NULL, /* can share method */
+ NULL, /* pre copy native value to file */
+ NULL, /* copy native value to file */
+ NULL, /* post copy native value to file */
+ NULL, /* get creation index */
+ NULL, /* set creation index */
+ H5O__mdci_debug /* debugging */
+}};
+
+/* Only one version of the metadata cache image message at present */
+#define H5O_MDCI_VERSION_0 0
+
+/* Declare the free list for H5O_mdci_t's */
+H5FL_DEFINE(H5O_mdci_t);
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O__mdci_decode
+ *
+ * Purpose: Decode a metadata cache image message and return a
+ * pointer to a newly allocated H5O_mdci_t struct.
+ *
+ * Return: Success: Ptr to new message in native struct.
+ * Failure: NULL
+ *
+ * Programmer: John Mainzer
+ * 6/22/15
+ *
+ *-------------------------------------------------------------------------
+ */
+static void *
+H5O__mdci_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id,
+ H5O_t H5_ATTR_UNUSED *open_oh, unsigned H5_ATTR_UNUSED mesg_flags,
+ unsigned H5_ATTR_UNUSED *ioflags, size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
+{
+ H5O_mdci_t *mesg; /* Native message */
+ void *ret_value = NULL; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity check */
+ HDassert(f);
+ HDassert(p);
+
+ /* Version of message */
+ if(*p++ != H5O_MDCI_VERSION_0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "bad version number for message")
+
+ /* Allocate space for message */
+ if(NULL == (mesg = (H5O_mdci_t *)H5FL_MALLOC(H5O_mdci_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for metadata cache image message")
+
+ /* Decode */
+ H5F_addr_decode(f, &p, &(mesg->addr));
+ H5F_DECODE_LENGTH(f, p, mesg->size);
+
+ /* Set return value */
+ ret_value = (void *)mesg;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O__mdci_decode() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O__mdci_encode
+ *
+ * Purpose: Encode metadata cache image message
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: John Mainzer
+ * 6/22/15
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O__mdci_encode(H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared,
+ uint8_t *p, const void *_mesg)
+{
+ const H5O_mdci_t *mesg = (const H5O_mdci_t *)_mesg;
+
+ FUNC_ENTER_STATIC_NOERR
+
+ /* Sanity check */
+ HDassert(f);
+ HDassert(p);
+ HDassert(mesg);
+
+ /* encode */
+ *p++ = H5O_MDCI_VERSION_0;
+ H5F_addr_encode(f, &p, mesg->addr);
+ H5F_ENCODE_LENGTH(f, p, mesg->size);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5O__mdci_encode() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O__mdci_copy
+ *
+ * Purpose: Copies a message from _MESG to _DEST, allocating _DEST if
+ * necessary.
+ *
+ * Return: Success: Ptr to _DEST
+ * Failure: NULL
+ *
+ * Programmer: John Mainzer
+ * 6/22/15
+ *
+ *-------------------------------------------------------------------------
+ */
+static void *
+H5O__mdci_copy(const void *_mesg, void *_dest)
+{
+ const H5O_mdci_t *mesg = (const H5O_mdci_t *)_mesg;
+ H5O_mdci_t *dest = (H5O_mdci_t *) _dest;
+ void *ret_value = NULL; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* check args */
+ HDassert(mesg);
+ if(!dest && NULL == (dest = H5FL_MALLOC(H5O_mdci_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+
+ /* copy */
+ *dest = *mesg;
+
+ /* Set return value */
+ ret_value = dest;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_mdci__copy() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O__mdci_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: zero
+ *
+ * Programmer: John Mainzer
+ * 6/22/15
+ *
+ *-------------------------------------------------------------------------
+ */
+static size_t
+H5O__mdci_size(const H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared,
+ const void H5_ATTR_UNUSED *_mesg)
+{
+ size_t ret_value = 0; /* Return value */
+
+ FUNC_ENTER_STATIC_NOERR
+
+ /* Set return value */
+ ret_value = (size_t)( 1 + /* Version number */
+ H5F_SIZEOF_ADDR(f) + /* addr of metadata cache */
+ /* image block */
+ H5F_SIZEOF_SIZE(f) ); /* length of metadata cache */
+ /* image block */
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O__mdci_size() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O__mdci_free
+ *
+ * Purpose: Free the message
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: John Mainzer
+ * 6/22/15
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O__mdci_free(void *mesg)
+{
+ FUNC_ENTER_STATIC_NOERR
+
+ HDassert(mesg);
+
+ mesg = H5FL_FREE(H5O_mdci_t, mesg);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5O__mdci_free() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O__mdci_delete
+ *
+ * Purpose: Free file space referenced by message
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * Wednesday, March 19, 2003
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O__mdci_delete(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, void *_mesg)
+{
+ H5O_mdci_t *mesg = (H5O_mdci_t *)_mesg;
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* check args */
+ HDassert(f);
+ HDassert(open_oh);
+ HDassert(mesg);
+
+ /* Free file space for cache image */
+ if(H5F_addr_defined(mesg->addr)) {
+ /* The space for the cache image block was allocated directly
+ * from the VFD layer at the end of file. As this was the
+ * last file space allocation before shutdown, the cache image
+ * should still be the last item in the file.
+ *
+ * If the hack to work around the self referential free space
+ * manager issue is in use, file space for the non-empty self
+ * referential free space managers was also allocated from VFD
+ * layer at the end of file. Since these allocations directly
+ * preceeded the cache image allocation they should be directly
+ * adjacent to the cache image block at the end of file.
+ *
+ * In this case, just call H5MF_tidy_self_referential_fsm_hack().
+ *
+ * That routine will float the self referential free space
+ * managers, and reduce the eoa to its value just prior to
+ * allocation of space for same. Since the cache image appears
+ * just after the self referential free space managers, this
+ * will release the file space for the cache image as well.
+ *
+ * Note that in this case, there must not have been any file
+ * space allocations / deallocations prior to the free of the
+ * cache image. Verify this to the extent possible.
+ *
+ * If the hack to work around the persistant self referential
+ * free space manager issue is NOT in use, just call H5MF_xfree()
+ * to release the cache iamge. In principle, we should be able
+ * to just reduce the EOA to the base address of the cache
+ * image block, as there shouldn't be any file space allocation
+ * before the first metadata cache access. However, given
+ * time constraints, I don't want to go there now.
+ */
+ if(H5F_FIRST_ALLOC_DEALLOC(f)) {
+ HDassert(HADDR_UNDEF != H5F_EOA_PRE_FSM_FSALLOC(f));
+ HDassert(H5F_addr_ge(mesg->addr, H5F_EOA_PRE_FSM_FSALLOC(f)));
+ if(H5MF_tidy_self_referential_fsm_hack(f, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "tidy of self referential fsm hack failed")
+ } /* end if */
+ else {
+ if(H5MF_xfree(f, H5FD_MEM_SUPER, dxpl_id, mesg->addr, mesg->size) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to free file space for cache image block")
+ } /* end else */
+ } /* end if */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O__mdci_delete() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O__mdci_debug
+ *
+ * Purpose: Prints debugging info.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: John Mainzer
+ * 6/22/15
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O__mdci_debug(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id,
+ const void *_mesg, FILE * stream, int indent, int fwidth)
+{
+ const H5O_mdci_t *mdci = (const H5O_mdci_t *) _mesg;
+
+ FUNC_ENTER_STATIC_NOERR
+
+ /* check args */
+ HDassert(f);
+ HDassert(mdci);
+ HDassert(stream);
+ HDassert(indent >= 0);
+ HDassert(fwidth >= 0);
+
+ HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
+ "Metadata Cache Image Block address:", mdci->addr);
+
+ HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+ "Metadata Cache Image Block size in bytes:", mdci->size);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5O__mdci_debug() */
+
diff --git a/src/H5Ocont.c b/src/H5Ocont.c
index 681f54a748..b91b1814ef 100644
--- a/src/H5Ocont.c
+++ b/src/H5Ocont.c
@@ -36,7 +36,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_cont_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_cont_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static size_t H5O_cont_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
static herr_t H5O_cont_free(void *mesg);
@@ -89,7 +89,8 @@ H5FL_DEFINE(H5O_cont_t);
*/
static void *
H5O_cont_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_cont_t *cont = NULL;
void *ret_value;
diff --git a/src/H5Odrvinfo.c b/src/H5Odrvinfo.c
index 6f715f8bd2..fd8ad6b7ef 100644
--- a/src/H5Odrvinfo.c
+++ b/src/H5Odrvinfo.c
@@ -27,7 +27,7 @@
#include "H5MMprivate.h" /* Memory management */
static void *H5O_drvinfo_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_drvinfo_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_drvinfo_copy(const void *_mesg, void *_dest);
static size_t H5O_drvinfo_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -79,7 +79,8 @@ const H5O_msg_class_t H5O_MSG_DRVINFO[1] = {{
*/
static void *
H5O_drvinfo_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_drvinfo_t *mesg; /* Native message */
void *ret_value; /* Return value */
diff --git a/src/H5Odtype.c b/src/H5Odtype.c
index 774b07103b..85fbef4020 100644
--- a/src/H5Odtype.c
+++ b/src/H5Odtype.c
@@ -29,7 +29,7 @@
/* PRIVATE PROTOTYPES */
static herr_t H5O_dtype_encode(H5F_t *f, uint8_t *p, const void *mesg);
static void *H5O_dtype_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static void *H5O_dtype_copy(const void *_mesg, void *_dest);
static size_t H5O_dtype_size(const H5F_t *f, const void *_mesg);
static herr_t H5O_dtype_reset(void *_mesg);
@@ -1093,7 +1093,7 @@ done:
--------------------------------------------------------------------------*/
static void *
H5O_dtype_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh, unsigned H5_ATTR_UNUSED mesg_flags,
- unsigned *ioflags/*in,out*/, const uint8_t *p)
+ unsigned *ioflags/*in,out*/, size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5T_t *dt = NULL;
void *ret_value; /* Return value */
diff --git a/src/H5Oefl.c b/src/H5Oefl.c
index 218d2503a5..546eb4fc57 100644
--- a/src/H5Oefl.c
+++ b/src/H5Oefl.c
@@ -28,7 +28,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_efl_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_efl_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_efl_copy(const void *_mesg, void *_dest);
static size_t H5O_efl_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -88,7 +88,8 @@ const H5O_msg_class_t H5O_MSG_EFL[1] = {{
*/
static void *
H5O_efl_decode(H5F_t *f, hid_t dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_efl_t *mesg = NULL;
int version;
diff --git a/src/H5Ofill.c b/src/H5Ofill.c
index 721c648b3d..70704c5913 100644
--- a/src/H5Ofill.c
+++ b/src/H5Ofill.c
@@ -32,11 +32,11 @@
static void *H5O_fill_old_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_fill_old_encode(H5F_t *f, uint8_t *p, const void *_mesg);
static size_t H5O_fill_old_size(const H5F_t *f, const void *_mesg);
static void *H5O_fill_new_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_fill_new_encode(H5F_t *f, uint8_t *p, const void *_mesg);
static size_t H5O_fill_new_size(const H5F_t *f, const void *_mesg);
static void *H5O_fill_copy(const void *_mesg, void *_dest);
@@ -183,7 +183,8 @@ H5FL_BLK_EXTERN(type_conv);
*/
static void *
H5O_fill_new_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_fill_t *fill = NULL;
void *ret_value;
@@ -297,7 +298,8 @@ done:
*/
static void *
H5O_fill_old_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_fill_t *fill = NULL; /* Decoded fill value message */
void *ret_value; /* Return value */
diff --git a/src/H5Ofsinfo.c b/src/H5Ofsinfo.c
new file mode 100644
index 0000000000..8369ae14ff
--- /dev/null
+++ b/src/H5Ofsinfo.c
@@ -0,0 +1,408 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group. *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the COPYING file, which can be found at the root of the source code *
+ * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
+ * If you do not have access to either file, you may request a copy from *
+ * help@hdfgroup.org. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5Ofsinfo.c
+ * Feb 2009
+ * Vailin Choi
+ *
+ * Purpose: File space info message.
+ *
+ *-------------------------------------------------------------------------
+ */
+#define H5F_FRIEND /*suppress error about including H5Fpkg */
+#include "H5Omodule.h" /* This source code file is part of the H5O module */
+
+
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5Fpkg.h" /* File access */
+#include "H5FLprivate.h" /* Free lists */
+#include "H5Opkg.h" /* Object headers */
+
+/* PRIVATE PROTOTYPES */
+static void *H5O_fsinfo_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned mesg_flags,
+ unsigned *ioflags, size_t p_size, const uint8_t *p);
+static herr_t H5O_fsinfo_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
+static void *H5O_fsinfo_copy(const void *_mesg, void *_dest);
+static size_t H5O_fsinfo_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
+static herr_t H5O_fsinfo_free(void *mesg);
+static herr_t H5O_fsinfo_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg,
+ FILE * stream, int indent, int fwidth);
+
+/* This message derives from H5O message class */
+const H5O_msg_class_t H5O_MSG_FSINFO[1] = {{
+ H5O_FSINFO_ID, /* message id number */
+ "fsinfo", /* message name for debugging */
+ sizeof(H5O_fsinfo_t), /* native message size */
+ 0, /* messages are sharable? */
+ H5O_fsinfo_decode, /* decode message */
+ H5O_fsinfo_encode, /* encode message */
+ H5O_fsinfo_copy, /* copy the native value */
+ H5O_fsinfo_size, /* size of free-space manager info message */
+ NULL, /* default reset method */
+ H5O_fsinfo_free, /* free method */
+ NULL, /* file delete method */
+ NULL, /* link method */
+ NULL, /* set share method */
+ NULL, /* can share method */
+ NULL, /* pre copy native value to file */
+ NULL, /* copy native value to file */
+ NULL, /* post copy native value to file */
+ NULL, /* get creation index */
+ NULL, /* set creation index */
+ H5O_fsinfo_debug /* debug the message */
+}};
+
+/* Current version of free-space manager info information */
+#define H5O_FSINFO_VERSION_0 0
+#define H5O_FSINFO_VERSION_1 1
+
+/* Declare a free list to manage the H5O_fsinfo_t struct */
+H5FL_DEFINE_STATIC(H5O_fsinfo_t);
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_fsinfo_decode
+ *
+ * Purpose: Decode a message and return a pointer to a newly allocated one.
+ *
+ * Return: Success: Ptr to new message in native form.
+ * Failure: NULL
+ *
+ * Programmer: Vailin Choi; Feb 2009
+ *
+ *-------------------------------------------------------------------------
+ */
+static void *
+H5O_fsinfo_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
+{
+ H5O_fsinfo_t *fsinfo = NULL; /* File space info message */
+ H5F_mem_page_t ptype; /* Memory type for iteration */
+ unsigned vers; /* message version */
+ void *ret_value = NULL; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT
+
+ /* check args */
+ HDassert(f);
+ HDassert(p);
+
+ /* Allocate space for message */
+ if(NULL == (fsinfo = H5FL_CALLOC(H5O_fsinfo_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+
+ for(ptype = H5F_MEM_PAGE_SUPER; ptype < H5F_MEM_PAGE_NTYPES; H5_INC_ENUM(H5F_mem_page_t, ptype))
+ fsinfo->fs_addr[ptype - 1] = HADDR_UNDEF;
+
+ /* Version of message */
+ vers = *p++;
+
+ if(vers == H5O_FSINFO_VERSION_0) {
+ H5F_file_space_type_t strategy; /* Strategy */
+ hsize_t threshold; /* Threshold */
+ H5FD_mem_t type; /* Memory type for iteration */
+
+ fsinfo->persist = H5F_FREE_SPACE_PERSIST_DEF;
+ fsinfo->threshold = H5F_FREE_SPACE_THRESHOLD_DEF;
+ fsinfo->page_size = H5F_FILE_SPACE_PAGE_SIZE_DEF;
+ fsinfo->pgend_meta_thres = H5F_FILE_SPACE_PGEND_META_THRES;
+ fsinfo->eoa_pre_fsm_fsalloc = HADDR_UNDEF;
+
+ strategy = (H5F_file_space_type_t)*p++; /* File space strategy */
+ H5F_DECODE_LENGTH(f, p, threshold); /* Free-space section threshold */
+
+ /* Map version 0 (deprecated) to version 1 message */
+ switch(strategy) {
+
+ case H5F_FILE_SPACE_ALL_PERSIST:
+ fsinfo->strategy = H5F_FSPACE_STRATEGY_FSM_AGGR;
+ fsinfo->persist = TRUE;
+ fsinfo->threshold = threshold;
+ if(HADDR_UNDEF == (fsinfo->eoa_pre_fsm_fsalloc = H5F_get_eoa(f, H5FD_MEM_DEFAULT)) )
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, NULL, "unable to get file size")
+ for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type))
+ H5F_addr_decode(f, &p, &(fsinfo->fs_addr[type-1]));
+ break;
+
+ case H5F_FILE_SPACE_ALL:
+ fsinfo->strategy = H5F_FSPACE_STRATEGY_FSM_AGGR;
+ fsinfo->threshold = threshold;
+ break;
+
+ case H5F_FILE_SPACE_AGGR_VFD:
+ fsinfo->strategy = H5F_FSPACE_STRATEGY_AGGR;
+ break;
+
+ case H5F_FILE_SPACE_VFD:
+ fsinfo->strategy = H5F_FSPACE_STRATEGY_NONE;
+ break;
+
+ case H5F_FILE_SPACE_NTYPES:
+ case H5F_FILE_SPACE_DEFAULT:
+ default:
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid file space strategy")
+ } /* end switch */
+
+ fsinfo->mapped = TRUE;
+
+ } else {
+ HDassert(vers == H5O_FSINFO_VERSION_1);
+
+ fsinfo->strategy = (H5F_fspace_strategy_t)*p++; /* File space strategy */
+ fsinfo->persist = *p++; /* Free-space persist or not */
+ H5F_DECODE_LENGTH(f, p, fsinfo->threshold); /* Free-space section threshold */
+
+ H5F_DECODE_LENGTH(f, p, fsinfo->page_size); /* File space page size */
+ UINT16DECODE(p, fsinfo->pgend_meta_thres); /* Page end metdata threshold */
+ H5F_addr_decode(f, &p, &(fsinfo->eoa_pre_fsm_fsalloc)); /* EOA before free-space header and section info */
+
+ /* Decode addresses of free space managers, if persisting */
+ if(fsinfo->persist) {
+ for(ptype = H5F_MEM_PAGE_SUPER; ptype < H5F_MEM_PAGE_NTYPES; H5_INC_ENUM(H5F_mem_page_t, ptype))
+ H5F_addr_decode(f, &p, &(fsinfo->fs_addr[ptype - 1]));
+ } /* end if */
+
+ fsinfo->mapped = FALSE;
+ }
+
+ /* Set return value */
+ ret_value = fsinfo;
+
+done:
+ if(ret_value == NULL && fsinfo != NULL)
+ fsinfo = H5FL_FREE(H5O_fsinfo_t, fsinfo);
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_fsinfo_decode() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_fsinfo_encode
+ *
+ * Purpose: Encodes a message.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Vailin Choi; Feb 2009
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O_fsinfo_encode(H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p, const void *_mesg)
+{
+ const H5O_fsinfo_t *fsinfo = (const H5O_fsinfo_t *)_mesg;
+ H5F_mem_page_t ptype; /* Memory type for iteration */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ /* check args */
+ HDassert(f);
+ HDassert(p);
+ HDassert(fsinfo);
+
+ *p++ = H5O_FSINFO_VERSION_1; /* message version */
+ *p++ = fsinfo->strategy; /* File space strategy */
+ *p++ = (unsigned char)fsinfo->persist; /* Free-space persist or not */
+ H5F_ENCODE_LENGTH(f, p, fsinfo->threshold); /* Free-space section size threshold */
+
+ H5F_ENCODE_LENGTH(f, p, fsinfo->page_size); /* File space page size */
+ UINT16ENCODE(p, fsinfo->pgend_meta_thres); /* Page end metadata threshold */
+ H5F_addr_encode(f, &p, fsinfo->eoa_pre_fsm_fsalloc); /* EOA before free-space header and section info */
+
+ /* Store addresses of free-space managers, if persisting */
+ if(fsinfo->persist) {
+ /* Addresses of free-space managers */
+ for(ptype = H5F_MEM_PAGE_SUPER; ptype < H5F_MEM_PAGE_NTYPES; H5_INC_ENUM(H5F_mem_page_t, ptype))
+ H5F_addr_encode(f, &p, fsinfo->fs_addr[ptype - 1]);
+ } /* end if */
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5O_fsinfo_encode() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_fsinfo_copy
+ *
+ * Purpose: Copies a message from _MESG to _DEST, allocating _DEST if
+ * necessary.
+ *
+ * Return: Success: Ptr to _DEST
+ * Failure: NULL
+ *
+ * Programmer: Vailin Choi; Feb 2009
+ *
+ *-------------------------------------------------------------------------
+ */
+static void *
+H5O_fsinfo_copy(const void *_mesg, void *_dest)
+{
+ const H5O_fsinfo_t *fsinfo = (const H5O_fsinfo_t *)_mesg;
+ H5O_fsinfo_t *dest = (H5O_fsinfo_t *) _dest;
+ void *ret_value = NULL; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT
+
+ /* check args */
+ HDassert(fsinfo);
+ if(!dest && NULL == (dest = H5FL_CALLOC(H5O_fsinfo_t)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+
+ /* copy */
+ *dest = *fsinfo;
+
+ /* Set return value */
+ ret_value = dest;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_fsinfo_copy() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_fsinfo_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: zero
+ *
+ * Programmer: Vailin Choi; Feb 2009
+ *
+ *-------------------------------------------------------------------------
+ */
+static size_t
+H5O_fsinfo_size(const H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, const void *_mesg)
+{
+ const H5O_fsinfo_t *fsinfo = (const H5O_fsinfo_t *)_mesg;
+ size_t ret_value = 0; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ ret_value = 3 /* Version, strategy & persist */
+ + (size_t)H5F_SIZEOF_SIZE(f) /* Free-space section threshold */
+ + (size_t)H5F_SIZEOF_SIZE(f) /* File space page size */
+ + 2 /* Page end meta threshold */
+ + (size_t)H5F_SIZEOF_ADDR(f);
+
+ /* Free-space manager addresses */
+ if(fsinfo->persist)
+ ret_value += (H5F_MEM_PAGE_NTYPES - 1) * (size_t)H5F_SIZEOF_ADDR(f);
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_fsinfo_size() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_fsinfo_free
+ *
+ * Purpose: Free's the message
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Vailin Choi; Feb 2009
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O_fsinfo_free(void *mesg)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ HDassert(mesg);
+
+ mesg = H5FL_FREE(H5O_fsinfo_t, mesg);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5O_fsinfo_free() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_fsinfo_debug
+ *
+ * Purpose: Prints debugging info for a message.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Vailin Choi; Feb 2009
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O_fsinfo_debug(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, const void *_mesg, FILE * stream,
+ int indent, int fwidth)
+{
+ const H5O_fsinfo_t *fsinfo = (const H5O_fsinfo_t *) _mesg;
+ H5F_mem_page_t ptype; /* Free-space types for iteration */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ /* check args */
+ HDassert(f);
+ HDassert(fsinfo);
+ HDassert(stream);
+ HDassert(indent >= 0);
+ HDassert(fwidth >= 0);
+
+ HDfprintf(stream, "%*s%-*s ", indent, "", fwidth, "File space strategy:");
+ switch(fsinfo->strategy) {
+ case H5F_FSPACE_STRATEGY_FSM_AGGR:
+ HDfprintf(stream, "%s\n", "H5F_FSPACE_STRATEGY_FSM_AGGR");
+ break;
+
+ case H5F_FSPACE_STRATEGY_PAGE:
+ HDfprintf(stream, "%s\n", "H5F_FSPACE_STRATEGY_PAGE");
+ break;
+
+ case H5F_FSPACE_STRATEGY_AGGR:
+ HDfprintf(stream, "%s\n", "H5F_FSPACE_STRATEGY_AGGR");
+ break;
+
+ case H5F_FSPACE_STRATEGY_NONE:
+ HDfprintf(stream, "%s\n", "H5F_FSPACE_STRATEGY_NONE");
+ break;
+
+ case H5F_FSPACE_STRATEGY_NTYPES:
+ default:
+ HDfprintf(stream, "%s\n", "unknown");
+ } /* end switch */
+
+ HDfprintf(stream, "%*s%-*s %t\n", indent, "", fwidth,
+ "Free-space persist:", fsinfo->persist);
+
+ HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+ "Free-space section threshold:", fsinfo->threshold);
+
+ HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+ "File space page size:", fsinfo->page_size);
+
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Page end metadata threshold:", fsinfo->pgend_meta_thres);
+
+ HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
+ "eoa_pre_fsm_fsalloc:", fsinfo->eoa_pre_fsm_fsalloc);
+
+ if(fsinfo->persist) {
+ for(ptype = H5F_MEM_PAGE_SUPER; ptype < H5F_MEM_PAGE_NTYPES; H5_INC_ENUM(H5F_mem_page_t, ptype))
+ HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
+ "Free space manager address:", fsinfo->fs_addr[ptype-1]);
+ } /* end if */
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5O_fsinfo_debug() */
+
diff --git a/src/H5Oginfo.c b/src/H5Oginfo.c
index d8be51fa04..8ba1f71d9f 100644
--- a/src/H5Oginfo.c
+++ b/src/H5Oginfo.c
@@ -32,7 +32,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_ginfo_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_ginfo_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_ginfo_copy(const void *_mesg, void *_dest);
static size_t H5O_ginfo_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -94,7 +94,8 @@ H5FL_DEFINE_STATIC(H5O_ginfo_t);
*/
static void *
H5O_ginfo_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_ginfo_t *ginfo = NULL; /* Pointer to group information message */
unsigned char flags; /* Flags for encoding group info */
diff --git a/src/H5Olayout.c b/src/H5Olayout.c
index 3bbee129e0..5c5ad42730 100644
--- a/src/H5Olayout.c
+++ b/src/H5Olayout.c
@@ -35,7 +35,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_layout_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_layout_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_layout_copy(const void *_mesg, void *_dest);
static size_t H5O_layout_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -95,7 +95,8 @@ H5FL_DEFINE(H5O_layout_t);
*/
static void *
H5O_layout_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_layout_t *mesg = NULL;
unsigned u;
diff --git a/src/H5Olinfo.c b/src/H5Olinfo.c
index 03e545f260..a612ae5e2b 100644
--- a/src/H5Olinfo.c
+++ b/src/H5Olinfo.c
@@ -36,7 +36,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_linfo_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_linfo_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_linfo_copy(const void *_mesg, void *_dest);
static size_t H5O_linfo_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -113,7 +113,8 @@ H5FL_DEFINE_STATIC(H5O_linfo_t);
*/
static void *
H5O_linfo_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_linfo_t *linfo = NULL; /* Link info */
unsigned char index_flags; /* Flags for encoding link index info */
diff --git a/src/H5Olink.c b/src/H5Olink.c
index 1b57f22529..c0dd1d8c4b 100644
--- a/src/H5Olink.c
+++ b/src/H5Olink.c
@@ -38,7 +38,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_link_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_link_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_link_copy(const void *_mesg, void *_dest);
static size_t H5O_link_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -117,7 +117,8 @@ H5FL_DEFINE_STATIC(H5O_link_t);
*/
static void *
H5O_link_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_link_t *lnk = NULL; /* Pointer to link message */
size_t len = 0; /* Length of a string in the message */
diff --git a/src/H5Omessage.c b/src/H5Omessage.c
index bbcf5a6ea7..98517a34ed 100644
--- a/src/H5Omessage.c
+++ b/src/H5Omessage.c
@@ -1821,7 +1821,7 @@ done:
*/
void *
H5O_msg_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned type_id,
- const unsigned char *buf)
+ size_t buf_size, const unsigned char *buf)
{
const H5O_msg_class_t *type; /* Actual H5O class type for the ID */
void *ret_value; /* Return value */
@@ -1836,7 +1836,7 @@ H5O_msg_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned type_id,
HDassert(type);
/* decode */
- if((ret_value = (type->decode)(f, dxpl_id, open_oh, 0, &ioflags, buf)) == NULL)
+ if((ret_value = (type->decode)(f, dxpl_id, open_oh, 0, &ioflags, buf_size, buf)) == NULL)
HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "unable to decode message")
done:
diff --git a/src/H5Omtime.c b/src/H5Omtime.c
index 46dd499250..e4db09bad3 100644
--- a/src/H5Omtime.c
+++ b/src/H5Omtime.c
@@ -27,12 +27,12 @@
static void *H5O_mtime_new_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_mtime_new_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static size_t H5O_mtime_new_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
static void *H5O_mtime_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_mtime_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_mtime_copy(const void *_mesg, void *_dest);
static size_t H5O_mtime_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -118,7 +118,8 @@ H5FL_DEFINE(time_t);
*/
static void *
H5O_mtime_new_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
time_t *mesg;
uint32_t tmp_time; /* Temporary copy of the time */
@@ -171,7 +172,8 @@ done:
*/
static void *
H5O_mtime_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
time_t *mesg, the_time;
int i;
diff --git a/src/H5Oname.c b/src/H5Oname.c
index 007e20f9a6..5248168c30 100644
--- a/src/H5Oname.c
+++ b/src/H5Oname.c
@@ -32,7 +32,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_name_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_name_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_name_copy(const void *_mesg, void *_dest);
static size_t H5O_name_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -83,7 +83,8 @@ const H5O_msg_class_t H5O_MSG_NAME[1] = {{
*/
static void *
H5O_name_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_name_t *mesg;
void *ret_value; /* Return value */
diff --git a/src/H5Opkg.h b/src/H5Opkg.h
index cd585beefd..f4b80147b8 100644
--- a/src/H5Opkg.h
+++ b/src/H5Opkg.h
@@ -186,7 +186,7 @@
\
/* Decode the message */ \
HDassert(msg_type->decode); \
- if(NULL == ((MSG)->native = (msg_type->decode)((F), (DXPL), (OH), (MSG)->flags, &ioflags, (MSG)->raw))) \
+ if(NULL == ((MSG)->native = (msg_type->decode)((F), (DXPL), (OH), (MSG)->flags, &ioflags, (MSG)->raw_size, (MSG)->raw))) \
HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, ERR, "unable to decode message") \
\
/* Mark the message dirty if it was changed by decoding */ \
@@ -222,7 +222,7 @@ struct H5O_msg_class_t {
const char *name; /*for debugging */
size_t native_size; /*size of native message */
unsigned share_flags; /* Message sharing settings */
- void *(*decode)(H5F_t *, hid_t, H5O_t *, unsigned, unsigned *, const uint8_t *);
+ void *(*decode)(H5F_t *, hid_t, H5O_t *, unsigned, unsigned *, size_t, const uint8_t *);
herr_t (*encode)(H5F_t *, hbool_t, uint8_t *, const void *);
void *(*copy)(const void *, void *); /*copy native value */
size_t (*raw_size)(const H5F_t *, hbool_t, const void *);/*sizeof encoded message */
diff --git a/src/H5Opline.c b/src/H5Opline.c
index 42fb72c9cb..0cd791213c 100644
--- a/src/H5Opline.c
+++ b/src/H5Opline.c
@@ -33,7 +33,7 @@
/* PRIVATE PROTOTYPES */
static herr_t H5O_pline_encode(H5F_t *f, uint8_t *p, const void *mesg);
static void *H5O_pline_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static void *H5O_pline_copy(const void *_mesg, void *_dest);
static size_t H5O_pline_size(const H5F_t *f, const void *_mesg);
static herr_t H5O_pline_reset(void *_mesg);
@@ -108,13 +108,15 @@ H5FL_DEFINE(H5O_pline_t);
*/
static void *
H5O_pline_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t p_size, const uint8_t *p)
{
H5O_pline_t *pline = NULL; /* Pipeline message */
H5Z_filter_info_t *filter; /* Filter to decode */
size_t name_length; /* Length of filter name */
size_t i; /* Local index variable */
- void *ret_value; /* Return value */
+ const uint8_t *p_end = p + p_size - 1; /* End of the p buffer */
+ void *ret_value = NULL; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
@@ -123,12 +125,12 @@ H5O_pline_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5
/* Allocate space for I/O pipeline message */
if(NULL == (pline = H5FL_CALLOC(H5O_pline_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
/* Version */
pline->version = *p++;
if(pline->version < H5O_PLINE_VERSION_1 || pline->version > H5O_PLINE_VERSION_LATEST)
- HGOTO_ERROR(H5E_PLINE, H5E_CANTLOAD, NULL, "bad version number for filter pipeline message")
+ HGOTO_ERROR(H5E_PLINE, H5E_CANTLOAD, NULL, "bad version number for filter pipeline message")
/* Number of filters */
pline->nused = *p++;
@@ -142,12 +144,12 @@ H5O_pline_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5
/* Allocate array for filters */
pline->nalloc = pline->nused;
if(NULL == (pline->filter = (H5Z_filter_info_t *)H5MM_calloc(pline->nalloc * sizeof(pline->filter[0]))))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
/* Decode filters */
for(i = 0, filter = &pline->filter[0]; i < pline->nused; i++, filter++) {
/* Filter ID */
- UINT16DECODE(p, filter->id);
+ UINT16DECODE(p, filter->id);
/* Length of filter name */
if(pline->version > H5O_PLINE_VERSION_1 && filter->id < H5Z_FILTER_RESERVED)
@@ -159,18 +161,18 @@ H5O_pline_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5
} /* end if */
/* Filter flags */
- UINT16DECODE(p, filter->flags);
+ UINT16DECODE(p, filter->flags);
/* Number of filter parameters ("client data elements") */
- UINT16DECODE(p, filter->cd_nelmts);
+ UINT16DECODE(p, filter->cd_nelmts);
/* Filter name, if there is one */
- if(name_length) {
+ if(name_length) {
size_t actual_name_length; /* Actual length of name */
/* Determine actual name length (without padding, but with null terminator) */
- actual_name_length = HDstrlen((const char *)p) + 1;
- HDassert(actual_name_length <= name_length);
+ actual_name_length = HDstrlen((const char *)p) + 1;
+ HDassert(actual_name_length <= name_length);
/* Allocate space for the filter name, or use the internal buffer */
if(actual_name_length > H5Z_COMMON_NAME_LEN) {
@@ -181,12 +183,12 @@ H5O_pline_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5
else
filter->name = filter->_name;
- HDstrncpy(filter->name, (const char *)p, actual_name_length);
- p += name_length;
- } /* end if */
+ HDstrncpy(filter->name, (const char *)p, actual_name_length);
+ p += name_length;
+ } /* end if */
/* Filter parameters */
- if(filter->cd_nelmts) {
+ if(filter->cd_nelmts) {
size_t j; /* Local index variable */
/* Allocate space for the client data elements, or use the internal buffer */
@@ -198,15 +200,20 @@ H5O_pline_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5
else
filter->cd_values = filter->_cd_values;
- /*
- * Read the client data values and the padding
- */
- for(j = 0; j < filter->cd_nelmts; j++)
- UINT32DECODE(p, filter->cd_values[j]);
+ /*
+ * Read the client data values and the padding
+ */
+ for (j = 0; j < filter->cd_nelmts; j++) {
+ if (p + 4 - 1 <= p_end)
+ UINT32DECODE(p, filter->cd_values[j])
+ else
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "ran off the end of the buffer: current p = %p, p_size = %zu, p_end = %p", p, p_size, p_end)
+ }
+
if(pline->version == H5O_PLINE_VERSION_1)
if(filter->cd_nelmts % 2)
p += 4; /*padding*/
- } /* end if */
+ } /* end if */
} /* end for */
/* Set return value */
diff --git a/src/H5Oprivate.h b/src/H5Oprivate.h
index ca0fc8e633..1f51705243 100644
--- a/src/H5Oprivate.h
+++ b/src/H5Oprivate.h
@@ -710,7 +710,7 @@ H5_DLL herr_t H5O_msg_get_crt_index(unsigned type_id, const void *mesg,
H5_DLL herr_t H5O_msg_encode(H5F_t *f, unsigned type_id, hbool_t disable_shared,
unsigned char *buf, const void *obj);
H5_DLL void* H5O_msg_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned type_id, const unsigned char *buf);
+ unsigned type_id, size_t buf_size, const unsigned char *buf);
H5_DLL herr_t H5O_msg_delete(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
unsigned type_id, void *mesg);
H5_DLL int H5O_msg_get_chunkno(const H5O_loc_t *loc, unsigned type_id, hid_t dxpl_id);
diff --git a/src/H5Orefcount.c b/src/H5Orefcount.c
index 22b1a02835..78ff791729 100644
--- a/src/H5Orefcount.c
+++ b/src/H5Orefcount.c
@@ -32,7 +32,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_refcount_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_refcount_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_refcount_copy(const void *_mesg, void *_dest);
static size_t H5O_refcount_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -89,7 +89,8 @@ H5FL_DEFINE_STATIC(H5O_refcount_t);
*/
static void *
H5O_refcount_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_refcount_t *refcount = NULL; /* Reference count */
void *ret_value; /* Return value */
diff --git a/src/H5Osdspace.c b/src/H5Osdspace.c
index 557a44bb3c..627ea190a3 100644
--- a/src/H5Osdspace.c
+++ b/src/H5Osdspace.c
@@ -26,7 +26,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_sdspace_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_sdspace_encode(H5F_t *f, uint8_t *p, const void *_mesg);
static void *H5O_sdspace_copy(const void *_mesg, void *_dest);
static size_t H5O_sdspace_size(const H5F_t *f, const void *_mesg);
@@ -110,7 +110,8 @@ H5FL_ARR_EXTERN(hsize_t);
--------------------------------------------------------------------------*/
static void *
H5O_sdspace_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5S_extent_t *sdim = NULL;/* New extent dimensionality structure */
void *ret_value;
diff --git a/src/H5Oshared.c b/src/H5Oshared.c
index 0d692f9489..2475dd5137 100644
--- a/src/H5Oshared.c
+++ b/src/H5Oshared.c
@@ -156,7 +156,7 @@ H5O_shared_read(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned *ioflags,
HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "can't read message from fractal heap.")
/* Decode the message */
- if(NULL == (ret_value = (type->decode)(f, dxpl_id, open_oh, 0, ioflags, mesg_ptr)))
+ if(NULL == (ret_value = (type->decode)(f, dxpl_id, open_oh, 0, ioflags, mesg_size, mesg_ptr)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "can't decode shared message.")
} /* end if */
else {
diff --git a/src/H5Oshared.h b/src/H5Oshared.h
index f71f5f6f36..e60d7ba37b 100644
--- a/src/H5Oshared.h
+++ b/src/H5Oshared.h
@@ -47,7 +47,7 @@
*/
static H5_INLINE void *
H5O_SHARED_DECODE(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned mesg_flags,
- unsigned *ioflags, const uint8_t *p)
+ unsigned *ioflags, size_t p_size, const uint8_t *p)
{
void *ret_value; /* Return value */
@@ -67,7 +67,7 @@ H5O_SHARED_DECODE(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned mesg_flags,
if(mesg_flags & H5O_MSG_FLAG_SHARED) {
/* Retrieve native message info indirectly through shared message */
if(NULL == (ret_value = H5O_shared_decode(f, dxpl_id, open_oh, ioflags, p, H5O_SHARED_TYPE)))
- HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "unable to decode shared message")
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "unable to decode shared message")
/* We currently do not support automatically fixing shared messages */
#ifdef H5_STRICT_FORMAT_CHECKS
@@ -79,8 +79,8 @@ H5O_SHARED_DECODE(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned mesg_flags,
} /* end if */
else {
/* Decode native message directly */
- if(NULL == (ret_value = H5O_SHARED_DECODE_REAL(f, dxpl_id, open_oh, mesg_flags, ioflags, p)))
- HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "unable to decode native message")
+ if(NULL == (ret_value = H5O_SHARED_DECODE_REAL(f, dxpl_id, open_oh, mesg_flags, ioflags, p_size, p)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "unable to decode native message")
} /* end else */
done:
diff --git a/src/H5Oshmesg.c b/src/H5Oshmesg.c
index 536f67e8be..489114aee8 100644
--- a/src/H5Oshmesg.c
+++ b/src/H5Oshmesg.c
@@ -27,7 +27,7 @@
#include "H5MMprivate.h" /* Memory management */
static void *H5O_shmesg_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_shmesg_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_shmesg_copy(const void *_mesg, void *_dest);
static size_t H5O_shmesg_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -75,7 +75,8 @@ const H5O_msg_class_t H5O_MSG_SHMESG[1] = {{
*/
static void *
H5O_shmesg_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_shmesg_table_t *mesg; /* Native message */
void *ret_value; /* Return value */
diff --git a/src/H5Ostab.c b/src/H5Ostab.c
index 928307e580..cf8c96a6ad 100644
--- a/src/H5Ostab.c
+++ b/src/H5Ostab.c
@@ -35,7 +35,7 @@
/* PRIVATE PROTOTYPES */
static void *H5O_stab_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
- unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
+ unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
static herr_t H5O_stab_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_stab_copy(const void *_mesg, void *_dest);
static size_t H5O_stab_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
@@ -96,7 +96,8 @@ H5FL_DEFINE_STATIC(H5O_stab_t);
*/
static void *
H5O_stab_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
- unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
+ unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags,
+ size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
{
H5O_stab_t *stab = NULL;
void *ret_value; /* Return value */
diff --git a/src/H5S.c b/src/H5S.c
index d03d5235c6..50bee52151 100644
--- a/src/H5S.c
+++ b/src/H5S.c
@@ -1644,7 +1644,7 @@ H5S_decode(const unsigned char *buf)
/* Decode the extent part of dataspace */
/* (pass mostly bogus file pointer and bogus DXPL) */
- if((extent = (H5S_extent_t *)H5O_msg_decode(f, H5P_DEFAULT, NULL, H5O_SDSPACE_ID, buf))==NULL)
+ if((extent = (H5S_extent_t *)H5O_msg_decode(f, H5P_DEFAULT, NULL, H5O_SDSPACE_ID, extent_size, buf))==NULL)
HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, NULL, "can't decode object")
buf += extent_size;
diff --git a/src/H5SM.c b/src/H5SM.c
index 080eb7c54e..b549b593f2 100644
--- a/src/H5SM.c
+++ b/src/H5SM.c
@@ -69,7 +69,7 @@ static herr_t H5SM_write_mesg(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
static herr_t H5SM_decr_ref(void *record, void *op_data, hbool_t *changed);
static herr_t H5SM_delete_from_index(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
H5SM_index_header_t *header, const H5O_shared_t * mesg,
- unsigned *cache_flags, void ** /*out*/ encoded_mesg);
+ unsigned *cache_flags, size_t * /*out*/ mesg_size, void ** /*out*/ encoded_mesg);
static herr_t H5SM_type_to_flag(unsigned type_id, unsigned *type_flag);
static herr_t H5SM_read_iter_op(H5O_t *oh, H5O_mesg_t *mesg, unsigned sequence,
unsigned *oh_modified, void *_udata);
@@ -1518,6 +1518,7 @@ H5SM_delete(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, H5O_shared_t *sh_mesg)
unsigned cache_flags = H5AC__NO_FLAGS_SET;
H5SM_table_cache_ud_t cache_udata; /* User-data for callback */
ssize_t index_num;
+ size_t mesg_size = 0;
void *mesg_buf = NULL;
void *native_mesg = NULL;
unsigned type_id; /* Message type ID to operate on */
@@ -1547,8 +1548,8 @@ H5SM_delete(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, H5O_shared_t *sh_mesg)
* zero and any file space it uses needs to be freed. mesg_buf holds the
* serialized form of the message.
*/
- if(H5SM_delete_from_index(f, dxpl_id, open_oh, &(table->indexes[index_num]), sh_mesg, &cache_flags, &mesg_buf) < 0)
- HGOTO_ERROR(H5E_SOHM, H5E_CANTDELETE, FAIL, "unable to delete mesage from SOHM index")
+ if(H5SM_delete_from_index(f, dxpl_id, open_oh, &(table->indexes[index_num]), sh_mesg, &cache_flags, &mesg_size, &mesg_buf) < 0)
+ HGOTO_ERROR(H5E_SOHM, H5E_CANTDELETE, FAIL, "unable to delete mesage from SOHM index")
/* Release the master SOHM table */
if(H5AC_unprotect(f, dxpl_id, H5AC_SOHM_TABLE, H5F_SOHM_ADDR(f), table, cache_flags) < 0)
@@ -1560,7 +1561,7 @@ H5SM_delete(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, H5O_shared_t *sh_mesg)
* master table needs to be unprotected when we do this.
*/
if(mesg_buf) {
- if(NULL == (native_mesg = H5O_msg_decode(f, dxpl_id, open_oh, type_id, (const unsigned char *)mesg_buf)))
+ if(NULL == (native_mesg = H5O_msg_decode(f, dxpl_id, open_oh, type_id, mesg_size, (const unsigned char *)mesg_buf)))
HGOTO_ERROR(H5E_SOHM, H5E_CANTDECODE, FAIL, "can't decode shared message.")
if(H5O_msg_delete(f, dxpl_id, open_oh, type_id, native_mesg) < 0)
@@ -1747,7 +1748,7 @@ H5SM_decr_ref(void *record, void *op_data, hbool_t *changed)
static herr_t
H5SM_delete_from_index(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
H5SM_index_header_t *header, const H5O_shared_t *mesg,
- unsigned *cache_flags, void ** /*out*/ encoded_mesg)
+ unsigned *cache_flags, size_t * /*out*/ mesg_size, void ** /*out*/ encoded_mesg)
{
H5SM_list_t *list = NULL;
H5SM_mesg_key_t key;
@@ -1879,6 +1880,7 @@ H5SM_delete_from_index(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh,
/* Return the message's encoding so anything it references can be freed */
*encoded_mesg = encoding_buf;
+ *mesg_size = buf_size;
/* If there are no messages left in the index, delete it */
if(header->num_messages == 0) {
@@ -1920,8 +1922,10 @@ done:
/* Free the message encoding, if we're not returning it in encoded_mesg
* or if there's been an error.
*/
- if(encoding_buf && (NULL == *encoded_mesg || ret_value < 0))
+ if(encoding_buf && (NULL == *encoded_mesg || ret_value < 0)) {
encoding_buf = H5MM_xfree(encoding_buf);
+ *mesg_size = 0;
+ }
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5SM_delete_from_index() */
diff --git a/src/H5T.c b/src/H5T.c
index d705b99d33..9eeb7db193 100644
--- a/src/H5T.c
+++ b/src/H5T.c
@@ -2801,8 +2801,13 @@ H5Tdecode(const void *buf)
if(buf == NULL)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "empty buffer")
- /* Create datatype by decoding buffer */
- if(NULL == (dt = H5T_decode((const unsigned char *)buf)))
+ /* Create datatype by decoding buffer
+ * There is no way to get the size of the buffer, so we pass in
+ * SIZE_MAX and assume the caller knows what they are doing.
+ * Really fixing this will require an H5Tdecode2() call that
+ * takes a size parameter.
+ */
+ if(NULL == (dt = H5T_decode(SIZE_MAX, (const unsigned char *)buf)))
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTDECODE, FAIL, "can't decode object")
/* Register the type and return the ID */
@@ -2891,7 +2896,7 @@ done:
*-------------------------------------------------------------------------
*/
static H5T_t *
-H5T_decode(const unsigned char *buf)
+H5T_decode(size_t buf_size, const unsigned char *buf)
{
H5F_t *f = NULL; /* Fake file structure*/
H5T_t *ret_value = NULL; /* Return value */
@@ -2911,7 +2916,7 @@ H5T_decode(const unsigned char *buf)
HGOTO_ERROR(H5E_DATATYPE, H5E_VERSION, NULL, "unknown version of encoded datatype")
/* Decode the serialized datatype message */
- if(NULL == (ret_value = (H5T_t *)H5O_msg_decode(f, H5AC_ind_dxpl_id, NULL, H5O_DTYPE_ID, buf)))
+ if(NULL == (ret_value = (H5T_t *)H5O_msg_decode(f, H5AC_noio_dxpl_id, NULL, H5O_DTYPE_ID, buf_size, buf)))
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTDECODE, NULL, "can't decode object")
/* Mark datatype as being in memory now */
diff --git a/src/H5Tprivate.h b/src/H5Tprivate.h
index 81af0567d4..f5191416ad 100644
--- a/src/H5Tprivate.h
+++ b/src/H5Tprivate.h
@@ -112,6 +112,8 @@ H5_DLL H5T_class_t H5T_get_class(const H5T_t *dt, htri_t internal);
H5_DLL htri_t H5T_detect_class(const H5T_t *dt, H5T_class_t cls, hbool_t from_api);
H5_DLL size_t H5T_get_size(const H5T_t *dt);
H5_DLL int H5T_cmp(const H5T_t *dt1, const H5T_t *dt2, hbool_t superset);
+H5_DLL herr_t H5T_encode(H5T_t *obj, unsigned char *buf, size_t *nalloc);
+H5_DLL H5T_t *H5T_decode(size_t buf_size, const unsigned char *buf);
H5_DLL herr_t H5T_debug(const H5T_t *dt, FILE * stream);
H5_DLL struct H5O_loc_t *H5T_oloc(H5T_t *dt);
H5_DLL H5G_name_t *H5T_nameof(H5T_t *dt);
--
2.23.0
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