cyclors 0.4.0

Low-level API for the native CycloneDDS bindings (libddsc-sys).
Documentation 
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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201

// Copyright(c) 2006 to 2020 ZettaScale Technology and others
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
// v. 1.0 which is available at
// http://www.eclipse.org/org/documents/edl-v10.php.
//
// SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause

#include <stdlib.h>
#include <assert.h>

#include "CUnit/Theory.h"
#include "dds/ddsrt/environ.h"
#include "dds/ddsrt/misc.h"
#include "dds/ddsrt/heap.h"

CU_TheoryDataPoints(ddsrt_environ, bad_name) = {
  CU_DataPoints(const char *, "", "foo=")
};

CU_Theory((const char *name), ddsrt_environ, bad_name)
{
  dds_return_t rc;
  static const char value[] = "bar";
  static char *dummy = "foobar";
  const char *ptr;

  rc = ddsrt_setenv(name, value);
  CU_ASSERT_EQ (rc, DDS_RETCODE_BAD_PARAMETER);
  rc = ddsrt_unsetenv(name);
  CU_ASSERT_EQ (rc, DDS_RETCODE_BAD_PARAMETER);
  ptr = dummy;
  rc = ddsrt_getenv(name, &ptr);
  CU_ASSERT_EQ (rc, DDS_RETCODE_BAD_PARAMETER);
  CU_ASSERT_EQ (ptr, dummy);
}

DDSRT_WARNING_MSVC_OFF(4996)
CU_Test(ddsrt_environ, setenv)
{
  dds_return_t rc;
  static const char name[] = "foo";
  static char value[] = "bar";
  char *ptr;

  rc = ddsrt_setenv(name, value);
  CU_ASSERT_EQ (rc, DDS_RETCODE_OK);
  ptr = getenv(name);
  CU_ASSERT_NEQ_FATAL (ptr, NULL);
  CU_ASSERT_STREQ (ptr, "bar");
  /* Ensure value is copied into the environment. */
  value[2] = 'z';
  ptr = getenv(name);
  CU_ASSERT_NEQ_FATAL (ptr, NULL);
  CU_ASSERT_STREQ (ptr, "bar");
  rc = ddsrt_setenv(name, "");
  CU_ASSERT_EQ (rc, DDS_RETCODE_OK);
  ptr = getenv(name);
  CU_ASSERT_EQ (ptr, NULL);
}
DDSRT_WARNING_MSVC_ON(4996)

CU_Test(ddsrt_environ, getenv)
{
  dds_return_t rc;
  static const char name[] = "foo";
  static const char value[] = "bar";
  static char *dummy = "foobar";
  const char *ptr;

  /* Ensure "not found" is returned. */
  rc = ddsrt_unsetenv(name);
  CU_ASSERT_EQ_FATAL (rc, DDS_RETCODE_OK);

  ptr = dummy;
  rc = ddsrt_getenv(name, &ptr);
  CU_ASSERT_EQ (rc, DDS_RETCODE_NOT_FOUND);
  CU_ASSERT_EQ (ptr, dummy);

  /* Ensure "ok" is returned and value is what it should be. */
  rc = ddsrt_setenv(name, value);
  CU_ASSERT_EQ_FATAL (rc, DDS_RETCODE_OK);

  ptr = dummy;
  rc = ddsrt_getenv(name, &ptr);
  CU_ASSERT_EQ (rc, DDS_RETCODE_OK);
  CU_ASSERT_NEQ (ptr, dummy);
  CU_ASSERT_NEQ (ptr, NULL);
  if (ptr != NULL) {
    CU_ASSERT_STREQ (ptr, "bar");
  }

  /* Ensure environment is as it was. */
  rc = ddsrt_unsetenv(name);
  CU_ASSERT_EQ (rc, DDS_RETCODE_OK);
}

CU_TheoryDataPoints(ddsrt_environ, expand) = {
  CU_DataPoints(const char *,
         "${X}",        "$X",          "X",       "${Y}",     "${Q}",      "${X",
    "${X:-ALT}", "${Q:-ALT}", "${X:-${Y}}", "${Q:-${Y}}", "${X:-$Y}", "${Q:-$Y}", "${X:-}", "${Q:-}",
    "${X:+SET}", "${Q:+SET}", "${X:+${Y}}", "${Q:+${Y}}", "${X:+$Y}", "${Q:+$Y}", "${X:+}", "${Q:+}",
    "${X:?SET}", "${Q:?SET}", "${X:?${Y}}", "${Q:?${Y}}", "${X:?$Y}", "${Q:?$Y}", "${X:?}", "${Q:?}"),
  CU_DataPoints(const char *,
         "TEST",        "$X",          "X",        "FOO",         "",       NULL,
         "TEST",       "ALT",       "TEST",        "FOO",     "TEST",       "$Y",   "TEST",       "",
          "SET",          "",        "FOO",           "",       "$Y",         "",       "",       "",
         "TEST",        NULL,       "TEST",         NULL,     "TEST",       NULL,   "TEST",     NULL)
};
CU_Theory((const char *var, const char *expect), ddsrt_environ, expand)
{
  dds_return_t rc;
  static const char x_name[]  = "X";
  static const char x_value[] = "TEST";
  static const char y_name[]  = "Y";
  static const char y_value[] = "FOO";
  char *ptr;

  /* Ensure that the vars are not used yet. */
  rc = ddsrt_unsetenv(x_name);
  CU_ASSERT_EQ_FATAL (rc, DDS_RETCODE_OK);
  rc = ddsrt_unsetenv(y_name);
  CU_ASSERT_EQ_FATAL (rc, DDS_RETCODE_OK);

  /* Set the env vars to check expansion. */
  rc = ddsrt_setenv(x_name, x_value);
  CU_ASSERT_EQ_FATAL (rc, DDS_RETCODE_OK);
  rc = ddsrt_setenv(y_name, y_value);
  CU_ASSERT_EQ_FATAL (rc, DDS_RETCODE_OK);

  /* Expand a string with available environment variables. */
  ptr = ddsrt_expand_envvars(var,UINT32_MAX);
  if (ptr) {
    /* printf("==== %10s: expand(%s), expect(%s))\n", var, ptr, expect); */
    CU_ASSERT_STREQ (ptr, expect);
    ddsrt_free(ptr);
  } else {
    /* printf("==== %10s: expand(<null>), expect(<null>))\n", var ? var : "<null>"); */
    CU_ASSERT_EQ (expect, NULL);
  }

  /* Ensure to reset the environment is as it was. */
  rc = ddsrt_unsetenv(y_name);
  CU_ASSERT_EQ (rc, DDS_RETCODE_OK);
  rc = ddsrt_unsetenv(x_name);
  CU_ASSERT_EQ (rc, DDS_RETCODE_OK);
}


CU_TheoryDataPoints(ddsrt_environ, expand_sh) = {
  CU_DataPoints(const char *,
         "${X}",        "$X",          "X",       "${Y}",     "${Q}",      "${X",
    "${X:-ALT}", "${Q:-ALT}", "${X:-${Y}}", "${Q:-${Y}}", "${X:-$Y}", "${Q:-$Y}", "${X:-}", "${Q:-}",
    "${X:+SET}", "${Q:+SET}", "${X:+${Y}}", "${Q:+${Y}}", "${X:+$Y}", "${Q:+$Y}", "${X:+}", "${Q:+}",
    "${X:?SET}", "${Q:?SET}", "${X:?${Y}}", "${Q:?${Y}}", "${X:?$Y}", "${Q:?$Y}", "${X:?}", "${Q:?}"),
  CU_DataPoints(const char *,
         "TEST",      "TEST",          "X",        "FOO",         "",       NULL,
         "TEST",       "ALT",       "TEST",        "FOO",     "TEST",      "FOO",   "TEST",       "",
          "SET",          "",        "FOO",           "",      "FOO",         "",       "",       "",
         "TEST",        NULL,       "TEST",         NULL,     "TEST",       NULL,   "TEST",     NULL)
};
CU_Theory((const char *var, const char *expect), ddsrt_environ, expand_sh)
{
  dds_return_t rc;
  static const char x_name[]  = "X";
  static const char x_value[] = "TEST";
  static const char y_name[]  = "Y";
  static const char y_value[] = "FOO";
  char *ptr;

  /* Ensure that the vars are not used yet. */
  rc = ddsrt_unsetenv(x_name);
  CU_ASSERT_EQ_FATAL (rc, DDS_RETCODE_OK);
  rc = ddsrt_unsetenv(y_name);
  CU_ASSERT_EQ_FATAL (rc, DDS_RETCODE_OK);

  /* Set the env vars to check expansion. */
  rc = ddsrt_setenv(x_name, x_value);
  CU_ASSERT_EQ_FATAL (rc, DDS_RETCODE_OK);
  rc = ddsrt_setenv(y_name, y_value);
  CU_ASSERT_EQ_FATAL (rc, DDS_RETCODE_OK);

  /* Expand a string with available environment variables. */
  ptr = ddsrt_expand_envvars_sh(var,UINT32_MAX);
  if (ptr) {
    /* printf("==== %10s: expand(%s), expect(%s))\n", var, ptr, expect); */
    CU_ASSERT_STREQ (ptr, expect);
    ddsrt_free(ptr);
  } else {
    /* printf("==== %10s: expand(<null>), expect(<null>))\n", var ? var : "<null>"); */
    CU_ASSERT_EQ (expect, NULL);
  }

  /* Ensure to reset the environment is as it was. */
  rc = ddsrt_unsetenv(y_name);
  CU_ASSERT_EQ (rc, DDS_RETCODE_OK);
  rc = ddsrt_unsetenv(x_name);
  CU_ASSERT_EQ (rc, DDS_RETCODE_OK);
}