third_party/cmocka/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 #include <stdint.h>
  25
  26 #ifdef _WIN32
  27 #include <windows.h>
  28
  29 # ifdef _MSC_VER
  30 # include <stdio.h> /* _snprintf */
  31
  32 #  undef inline
  33 #  define inline __inline
  34
  35 #  ifndef va_copy
  36 #   define va_copy(dest, src) (dest = src)
  37 #  endif
  38
  39 #  define strcasecmp _stricmp
  40 #  define strncasecmp _strnicmp
  41
  42 #  if defined(HAVE__SNPRINTF_S)
  43 #   undef snprintf
  44 #   define snprintf(d, n, ...) _snprintf_s((d), (n), _TRUNCATE, __VA_ARGS__)
  45 #  else /* HAVE__SNPRINTF_S */
  46 #   if defined(HAVE__SNPRINTF)
  47 #     undef snprintf
  48 #     define snprintf _snprintf
  49 #   else /* HAVE__SNPRINTF */
  50 #    if !defined(HAVE_SNPRINTF)
  51 #     error "no snprintf compatible function found"
  52 #    endif /* HAVE_SNPRINTF */
  53 #   endif /* HAVE__SNPRINTF */
  54 #  endif /* HAVE__SNPRINTF_S */
  55
  56 #  if defined(HAVE__VSNPRINTF_S)
  57 #   undef vsnprintf
  58 #   define vsnprintf(s, n, f, v) _vsnprintf_s((s), (n), _TRUNCATE, (f), (v))
  59 #  else /* HAVE__VSNPRINTF_S */
  60 #   if defined(HAVE__VSNPRINTF)
  61 #    undef vsnprintf
  62 #    define vsnprintf _vsnprintf
  63 #   else
  64 #    if !defined(HAVE_VSNPRINTF)
  65 #     error "No vsnprintf compatible function found"
  66 #    endif /* HAVE_VSNPRINTF */
  67 #   endif /* HAVE__VSNPRINTF */
  68 #  endif /* HAVE__VSNPRINTF_S */
  69 # endif /* _MSC_VER */
  70
  71 /*
  72  * Backwards compatibility with headers shipped with Visual Studio 2005 and
  73  * earlier.
  74  */
  75 WINBASEAPI BOOL WINAPI IsDebuggerPresent(VOID);
  76
  77 #ifndef PRIdS
  78 # define PRIdS "Id"
  79 #endif
  80
  81 #ifndef PRIu64
  82 # define PRIu64 "I64u"
  83 #endif
  84
  85 #ifndef PRIuMAX
  86 # define PRIuMAX PRIu64
  87 #endif
  88
  89 #ifndef PRIxMAX
  90 #define PRIxMAX "I64x"
  91 #endif
  92
  93 #ifndef PRIXMAX
  94 #define PRIXMAX "I64X"
  95 #endif
  96
  97 #else /* _WIN32 */
  98
  99 #ifndef __PRI64_PREFIX
 100 # if __WORDSIZE == 64
 101 #  define __PRI64_PREFIX "l"
 102 # else
 103 #  define __PRI64_PREFIX "ll"
 104 # endif
 105 #endif
 106
 107 #ifndef PRIdS
 108 # define PRIdS "zd"
 109 #endif
 110
 111 #ifndef PRIu64
 112 # define PRIu64 __PRI64_PREFIX "u"
 113 #endif
 114
 115 #ifndef PRIuMAX
 116 # define PRIuMAX __PRI64_PREFIX "u"
 117 #endif
 118
 119 #ifndef PRIxMAX
 120 #define PRIxMAX __PRI64_PREFIX "x"
 121 #endif
 122
 123 #ifndef PRIXMAX
 124 #define PRIXMAX __PRI64_PREFIX "X"
 125 #endif
 126
 127 #endif /* _WIN32 */
 128
 129 /** Free memory space */
 130 #define SAFE_FREE(x) do { if ((x) != NULL) {free(x); x=NULL;} } while(0)
 131
 132 /** Zero a structure */
 133 #define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
 134
 135 /** Zero a structure given a pointer to the structure */
 136 #define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0)
 137
 138 /** Get the size of an array */
 139 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
 140
 141 /** Overwrite the complete string with 'X' */
 142 #define BURN_STRING(x) do { if ((x) != NULL) memset((x), 'X', strlen((x))); } while(0)
 143
 144 /**
 145  * This is a hack to fix warnings. The idea is to use this everywhere that we
 146  * get the "discarding const" warning by the compiler. That doesn't actually
 147  * fix the real issue, but marks the place and you can search the code for
 148  * discard_const.
 149  *
 150  * Please use this macro only when there is no other way to fix the warning.
 151  * We should use this function in only in a very few places.
 152  *
 153  * Also, please call this via the discard_const_p() macro interface, as that
 154  * makes the return type safe.
 155  */
 156 #define discard_const(ptr) ((void *)((uintptr_t)(ptr)))
 157
 158 /**
 159  * Type-safe version of discard_const
 160  */
 161 #define discard_const_p(type, ptr) ((type *)discard_const(ptr))
 162
 163 #endif /* CMOCKA_PRIVATE_H_ */