summaryrefslogtreecommitdiffstats
path: root/src/H5dbg.c
blob: 7a3dfaa521c281743cef922ae0515f6c92674439 (plain)
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
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*-------------------------------------------------------------------------
 *
 * Created:         H5dbg.c
 *
 * Purpose:         Generic debugging routines
 *
 *-------------------------------------------------------------------------
 */

/****************/
/* Module Setup */
/****************/
#include "H5module.h" /* This source code file is part of the H5 module */

/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions            */

/****************/
/* Local Macros */
/****************/

/******************/
/* Local Typedefs */
/******************/

/********************/
/* Local Prototypes */
/********************/

/*********************/
/* Package Variables */
/*********************/

/*****************************/
/* Library Private Variables */
/*****************************/

/*******************/
/* Local Variables */
/*******************/

/*-------------------------------------------------------------------------
 * Function:    H5_buffer_dump
 *
 * Purpose:     Dumps a buffer of memory in an octal dump form
 *
 * Return:      Non-negative on success/Negative on failure
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5_buffer_dump(FILE *stream, int indent, const uint8_t *buf, const uint8_t *marker, size_t buf_offset,
               size_t buf_size)
{
    size_t u, v; /* Local index variable */

    FUNC_ENTER_NOAPI_NOINIT_NOERR

    /*
     * Check arguments.
     */
    assert(stream);
    assert(indent >= 0);
    assert(buf);
    assert(marker);
    assert(buf_size > 0);

    /*
     * Print the buffer in a VMS-style octal dump.
     */
    fprintf(stream, "%*sData follows (`__' indicates free region)...\n", indent, "");
    for (u = 0; u < buf_size; u += 16) {
        uint8_t c;

        fprintf(stream, "%*s %8zu: ", indent, "", u + buf_offset);

        /* Print the hex values */
        for (v = 0; v < 16; v++) {
            if (u + v < buf_size) {
                if (marker[u + v])
                    fprintf(stream, "__ ");
                else {
                    c = buf[buf_offset + u + v];
                    fprintf(stream, "%02x ", c);
                } /* end else */
            }     /* end if */
            else
                fprintf(stream, "   ");

            if (7 == v)
                fputc(' ', stream);
        } /* end for */
        fputc(' ', stream);

        /* Print the character values */
        for (v = 0; v < 16; v++) {
            if (u + v < buf_size) {
                if (marker[u + v])
                    fputc(' ', stream);
                else {
                    c = buf[buf_offset + u + v];

                    if (isprint(c))
                        fputc(c, stream);
                    else
                        fputc('.', stream);
                } /* end else */
            }     /* end if */

            if (7 == v)
                fputc(' ', stream);
        } /* end for */

        fputc('\n', stream);
    } /* end for */

    FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5_buffer_dump() */