cmocka: /usr/src/cmocka/cmocka-2.0.2-1.x86_64/src/cmocka-2.0.2/include/cmocka_private.h Source File

cmocka 2.0.2 Unit testing library with mock support

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cmocka_private.h
1/*
2 * Copyright 2008 Google Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef CMOCKA_PRIVATE_H_
18#define CMOCKA_PRIVATE_H_
19
20#ifdef HAVE_CONFIG_H
21#include "config.h"
22#endif
23
24#ifndef CMOCKA_NO_STANDARD_INCLUDES
25#include <stdint.h>
26#endif
27
28#ifdef _WIN32
29#include <windows.h>
30
31# ifdef _MSC_VER
32# include <stdio.h> /* _snprintf */
33# include <string.h> /* strtok_s */
34
35# undef inline
36# define inline __inline
37
38# ifndef va_copy
39# define va_copy(dest, src) (dest = src)
40# endif
41
42# define strcasecmp _stricmp
43# define strncasecmp _strnicmp
44# define strtok_r strtok_s
45# define strdup _strdup
46
47# if defined(HAVE__SNPRINTF_S)
48# undef snprintf
49# define snprintf(d, n, ...) _snprintf_s((d), (n), _TRUNCATE, __VA_ARGS__)
50# else /* HAVE__SNPRINTF_S */
51# if defined(HAVE__SNPRINTF)
52# undef snprintf
53# define snprintf _snprintf
54# else /* HAVE__SNPRINTF */
55# if !defined(HAVE_SNPRINTF)
56# error "no snprintf compatible function found"
57# endif /* HAVE_SNPRINTF */
58# endif /* HAVE__SNPRINTF */
59# endif /* HAVE__SNPRINTF_S */
60
61# if defined(HAVE__VSNPRINTF_S)
62# undef vsnprintf
63# define vsnprintf(s, n, f, v) _vsnprintf_s((s), (n), _TRUNCATE, (f), (v))
64# else /* HAVE__VSNPRINTF_S */
65# if defined(HAVE__VSNPRINTF)
66# undef vsnprintf
67# define vsnprintf _vsnprintf
68# else
69# if !defined(HAVE_VSNPRINTF)
70# error "No vsnprintf compatible function found"
71# endif /* HAVE_VSNPRINTF */
72# endif /* HAVE__VSNPRINTF */
73# endif /* HAVE__VSNPRINTF_S */
74# endif /* _MSC_VER */
75
76#ifndef PRIdS
77# define PRIdS "Id"
78#endif
79
80#ifndef PRIu64
81# define PRIu64 "I64u"
82#endif
83
84#ifndef PRIuMAX
85# define PRIuMAX PRIu64
86#endif
87
88#ifndef PRIxMAX
89#define PRIxMAX "I64x"
90#endif
91
92#ifndef PRIXMAX
93#define PRIXMAX "I64X"
94#endif
95
96#ifndef PATH_MAX
97#ifdef MAX_PATH
98#define PATH_MAX MAX_PATH
99#else
100#define PATH_MAX 256
101#endif /* MAX_PATH */
102#endif /* PATH_MAX */
103
104#else /* _WIN32 */
105
106#ifndef __PRI64_PREFIX
107# if __WORDSIZE == 64
108# define __PRI64_PREFIX "l"
109# else
110# define __PRI64_PREFIX "ll"
111# endif
112#endif
113
114#ifndef PRIdS
115# define PRIdS "zd"
116#endif
117
118#ifndef PRIu64
119# define PRIu64 __PRI64_PREFIX "u"
120#endif
121
122#ifndef PRIuMAX
123# define PRIuMAX __PRI64_PREFIX "u"
124#endif
125
126#ifndef PRIxMAX
127#define PRIxMAX __PRI64_PREFIX "x"
128#endif
129
130#ifndef PRIXMAX
131#define PRIXMAX __PRI64_PREFIX "X"
132#endif
133
134#endif /* _WIN32 */
135
137#define SAFE_FREE(x) do { if ((x) != NULL) {free(x); x=NULL;} } while(0)
138
140#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
141
143#define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0)
144
146#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
147
149#define BURN_STRING(x) do { if ((x) != NULL) memset((x), 'X', strlen((x))); } while(0)
150
163#define discard_const(ptr) ((void *)((uintptr_t)(ptr)))
164
168#define discard_const_p(type, ptr) ((type *)discard_const(ptr))
169
170/* Cmocka does not rely on math.h, so NAN and INFINITY are handled below */
171
172#ifndef INFINITY
173# if defined(__GNUC__) || defined(__clang__)
174# define INFINITY __builtin_inff()
175# else
176# define INFINITY ((float)(1e+300 * 1e+300)) /* Goes to infinity when squared */
177# endif
178#endif
179
180#ifndef NAN
181# if defined(__GNUC__) || defined(__clang__)
182# define NAN __builtin_nanf("")
183# else
184# define NAN ((float)(INFINITY * 0.0f)) /* MSVC technique to create float NAN */
185# endif
186#endif
187
188#if !defined(isnan)
189static inline int cmocka_isnan(double x) {
190 union { double d; uint64_t i; } u;
191 u.d = x;
192 /* NaN: exponent all 1s, mantissa non-zero */
193 return ((u.i & 0x7FF0000000000000ULL) == 0x7FF0000000000000ULL) &&
194 ((u.i & 0x000FFFFFFFFFFFFFULL) != 0);
195}
196# define isnan(x) cmocka_isnan(x)
197#endif
198
199#if !defined(isinf)
200static inline int cmocka_isinf(double x) {
201 union { double d; uint64_t i; } u;
202 u.d = x;
203 /* Infinity: exponent all 1s, mantissa all 0s */
204 return ((u.i & 0x7FF0000000000000ULL) == 0x7FF0000000000000ULL) &&
205 ((u.i & 0x000FFFFFFFFFFFFFULL) == 0);
206}
207# define isinf(x) cmocka_isinf(x)
208#endif
209
210#endif /* CMOCKA_PRIVATE_H_ */