Squashed commit of the token_refactoring branch:

1 files changed, 157 insertions, 0 deletions

diff --git a/src/H5VLnative_token.c b/src/H5VLnative_token.c
new file mode 100644
index 0000000..2b5429e
--- /dev/null
+++ b/src/H5VLnative_token.c
@@ -0,0 +1,157 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * 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.                                                        *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Purpose:     Object token callbacks for the native VOL connector
+ */
+
+/***********/
+/* Headers */
+/***********/
+#include "H5private.h"          /* Generic Functions        */
+#include "H5Eprivate.h"         /* Error handling           */
+#include "H5MMprivate.h"        /* Memory handling          */
+#include "H5VLnative_private.h" /* Native VOL connector     */
+
+/****************/
+/* Local Macros */
+/****************/
+
+
+/******************/
+/* Local Typedefs */
+/******************/
+
+
+/********************/
+/* Local Prototypes */
+/********************/
+
+
+/*********************/
+/* Package Variables */
+/*********************/
+
+
+/*****************************/
+/* Library Private Variables */
+/*****************************/
+
+
+/*******************/
+/* Local Variables */
+/*******************/
+
+
+
+/*---------------------------------------------------------------------------
+ * Function:    H5VL__native_token_cmp
+ *
+ * Purpose:     Compare two of the connector's object tokens, setting
+ *              *cmp_value, following the same rules as strcmp().
+ *
+ * Return:      Success:    0
+ *              Failure:    (can't fail)
+ *
+ *---------------------------------------------------------------------------
+ */
+herr_t
+H5VL__native_token_cmp(void H5_ATTR_UNUSED *obj,
+    const H5O_token_t *token1, const H5O_token_t *token2, int *cmp_value)
+{
+    herr_t ret_value = SUCCEED;
+
+    FUNC_ENTER_PACKAGE_NOERR
+
+    /* Check parameters */
+    HDassert(token1);
+    HDassert(token2);
+
+    *cmp_value = HDmemcmp(token1, token2, sizeof(H5O_token_t));
+
+    FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_token_cmp() */
+
+
+/*---------------------------------------------------------------------------
+ * Function:    H5VL__native_token_to_str
+ *
+ * Purpose:     Serialize an object token into a string
+ *
+ * Return:      Success:    0
+ *              Failure:    -1
+ *
+ *---------------------------------------------------------------------------
+ */
+herr_t
+H5VL__native_token_to_str(void *obj, H5I_type_t obj_type, const H5O_token_t *token,
+    char **token_str)
+{
+    haddr_t addr;
+    size_t addr_ndigits;
+    herr_t ret_value = SUCCEED;
+
+    FUNC_ENTER_PACKAGE
+
+    /* Check parameters */
+    HDassert(obj);
+    HDassert(token);
+
+    if(H5VL_native_token_to_addr(obj, obj_type, *token, &addr) < 0)
+        HGOTO_ERROR(H5E_FILE, H5E_CANTDECODE, FAIL, "can't convert object token to address")
+
+    if(addr == 0)
+        addr_ndigits = 1;
+    else
+        addr_ndigits = (size_t)(HDfloor(HDlog10((double)addr)) + 1);
+
+    if(NULL == (*token_str = H5MM_malloc(addr_ndigits + 1)))
+        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL, "can't allocate buffer for token string")
+
+    HDsnprintf(*token_str, addr_ndigits + 1, H5_PRINTF_HADDR_FMT, addr);
+
+done:
+    FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_token_to_str() */
+
+
+/*---------------------------------------------------------------------------
+ * Function:    H5VL__native_str_to_token
+ *
+ * Purpose:     Deserialize a string into an object token
+ *
+ * Return:      Success:    0
+ *              Failure:    -1
+ *
+ *---------------------------------------------------------------------------
+ */
+herr_t
+H5VL__native_str_to_token(void *obj, H5I_type_t obj_type,
+    const char *token_str, H5O_token_t *token)
+{
+    haddr_t addr;
+    herr_t ret_value = SUCCEED;
+
+    FUNC_ENTER_PACKAGE
+
+    /* Check parameters */
+    HDassert(token_str);
+
+    HDsscanf(token_str, H5_PRINTF_HADDR_FMT, &addr);
+
+    if(H5VL_native_addr_to_token(obj, obj_type, addr, token) < 0)
+        HGOTO_ERROR(H5E_FILE, H5E_CANTDECODE, FAIL, "can't convert address to object token")
+
+done:
+    FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_str_to_token() */
+