1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Module Info: This module contains the functionality for opaque
* datatypes in the H5T interface.
*/
#define H5T_PACKAGE /*suppress error about including H5Tpkg */
/* Interface initialization */
#define H5_INTERFACE_INIT_FUNC H5T_init_opaque_interface
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5Iprivate.h" /* IDs */
#include "H5MMprivate.h" /* Memory management */
#include "H5Tpkg.h" /* Datatypes */
/*--------------------------------------------------------------------------
NAME
H5T_init_opaque_interface -- Initialize interface-specific information
USAGE
herr_t H5T_init_opaque_interface()
RETURNS
Non-negative on success/Negative on failure
DESCRIPTION
Initializes any interface-specific data or routines. (Just calls
H5T_init_iterface currently).
--------------------------------------------------------------------------*/
static herr_t
H5T_init_opaque_interface(void)
{
FUNC_ENTER_NOAPI_NOINIT_NOERR
FUNC_LEAVE_NOAPI(H5T_init())
} /* H5T_init_opaque_interface() */
/*-------------------------------------------------------------------------
* Function: H5Tset_tag
*
* Purpose: Tag an opaque datatype with a unique ASCII identifier.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Thursday, May 20, 1999
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
herr_t
H5Tset_tag(hid_t type_id, const char *tag)
{
H5T_t *dt=NULL;
herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "i*s", type_id, tag);
/* Check args */
if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data type")
if (H5T_STATE_TRANSIENT!=dt->shared->state)
HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "data type is read-only")
while (dt->shared->parent)
dt = dt->shared->parent; /*defer to parent*/
if (H5T_OPAQUE!=dt->shared->type)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an opaque data type")
if (!tag)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no tag")
if (HDstrlen(tag) >= H5T_OPAQUE_TAG_MAX)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "tag too long")
/* Commit */
H5MM_xfree(dt->shared->u.opaque.tag);
dt->shared->u.opaque.tag = H5MM_strdup(tag);
done:
FUNC_LEAVE_API(ret_value)
}
/*-------------------------------------------------------------------------
* Function: H5Tget_tag
*
* Purpose: Get tha tag associated with an opaque datatype.
*
* Return: A pointer to an allocated string. The caller should free
* the string. NULL is returned for errors.
*
* Programmer: Robb Matzke
* Thursday, May 20, 1999
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
char *
H5Tget_tag(hid_t type_id)
{
H5T_t *dt=NULL;
char *ret_value;
FUNC_ENTER_API(NULL)
H5TRACE1("*s", "i", type_id);
/* Check args */
if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a data type")
while (dt->shared->parent)
dt = dt->shared->parent; /*defer to parent*/
if (H5T_OPAQUE != dt->shared->type)
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "operation not defined for data type class")
/* result */
if (NULL==(ret_value=H5MM_strdup(dt->shared->u.opaque.tag)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
done:
FUNC_LEAVE_API(ret_value)
}
|
