win32/include/winapi/stralign.h

   1 /**
   2  * This file has no copyright assigned and is placed in the Public Domain.
   3  * This file is part of the w64 mingw-runtime package.
   4  * No warranty is given; refer to the file DISCLAIMER within this package.
   5  */
   6 #ifndef __STRALIGN_H_
   7 #define __STRALIGN_H_
   8
   9 #ifndef _STRALIGN_USE_SECURE_CRT
  10 #define _STRALIGN_USE_SECURE_CRT 0
  11 #endif
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 #if defined(I_X86_)
  18 #define WSTR_ALIGNED(s) TRUE
  19 #define ua_CharUpperW CharUpperW
  20 #define ua_lstrcmpiW lstrcmpiW
  21 #define ua_lstrcmpW lstrcmpW
  22 #define ua_lstrlenW lstrlenW
  23 #define ua_wcschr wcschr
  24 #define ua_wcsicmp wcsicmp
  25 #define ua_wcslen wcslen
  26 #define ua_wcsrchr wcsrchr
  27   static __inline PUWSTR ua_wcscpy(PUWSTR Destination,PCUWSTR Source) { return wcscpy(Destination,Source); }
  28 #else
  29 #define WSTR_ALIGNED(s) (((DWORD_PTR)(s) & (sizeof(WCHAR)-1))==0)
  30
  31   LPUWSTR WINAPI uaw_CharUpperW(LPUWSTR String);
  32   int WINAPI uaw_lstrcmpW(PCUWSTR String1,PCUWSTR String2);
  33   int WINAPI uaw_lstrcmpiW(PCUWSTR String1,PCUWSTR String2);
  34   int WINAPI uaw_lstrlenW(LPCUWSTR String);
  35   PUWSTR __cdecl uaw_wcschr(PCUWSTR String,WCHAR Character);
  36   PUWSTR __cdecl uaw_wcscpy(PUWSTR Destination,PCUWSTR Source);
  37   int __cdecl uaw_wcsicmp(PCUWSTR String1,PCUWSTR String2);
  38   size_t __cdecl uaw_wcslen(PCUWSTR String);
  39   PUWSTR __cdecl uaw_wcsrchr(PCUWSTR String,WCHAR Character);
  40 #ifdef CharUpper
  41   static __inline LPUWSTR ua_CharUpperW(LPUWSTR String) {
  42     if(WSTR_ALIGNED(String)) return CharUpperW((PWSTR)String);
  43     return uaw_CharUpperW(String);
  44   }
  45 #endif
  46
  47 #ifdef lstrcmp
  48   static __inline int ua_lstrcmpW(LPCUWSTR String1,LPCUWSTR String2) {
  49     if(WSTR_ALIGNED(String1) && WSTR_ALIGNED(String2)) return lstrcmpW((LPCWSTR)String1,(LPCWSTR)String2);
  50     return uaw_lstrcmpW(String1,String2);
  51   }
  52 #endif
  53
  54 #ifdef lstrcmpi
  55   static __inline int ua_lstrcmpiW(LPCUWSTR String1,LPCUWSTR String2) {
  56     if(WSTR_ALIGNED(String1) && WSTR_ALIGNED(String2)) return lstrcmpiW((LPCWSTR)String1,(LPCWSTR)String2);
  57     return uaw_lstrcmpiW(String1,String2);
  58   }
  59 #endif
  60
  61 #ifdef lstrlen
  62   static __inline int ua_lstrlenW(LPCUWSTR String) {
  63     if(WSTR_ALIGNED(String)) return lstrlenW((PCWSTR)String);
  64     return uaw_lstrlenW(String);
  65   }
  66 #endif
  67
  68 #if defined(_WSTRING_DEFINED)
  69 #ifdef _WConst_return
  70   typedef _WConst_return WCHAR UNALIGNED *PUWSTR_C;
  71 #else
  72   typedef WCHAR UNALIGNED *PUWSTR_C;
  73 #endif
  74   static __inline PUWSTR_C ua_wcschr(PCUWSTR String,WCHAR Character) {
  75     if(WSTR_ALIGNED(String)) return wcschr((PCWSTR)String,Character);
  76     return (PUWSTR_C)uaw_wcschr(String,Character);
  77   }
  78   static __inline PUWSTR_C ua_wcsrchr(PCUWSTR String,WCHAR Character) {
  79     if(WSTR_ALIGNED(String)) return wcsrchr((PCWSTR)String,Character);
  80     return (PUWSTR_C)uaw_wcsrchr(String,Character);
  81   }
  82 #if defined(__cplusplus) && defined(_WConst_Return)
  83   static __inline PUWSTR ua_wcschr(PUWSTR String,WCHAR Character) {
  84     if(WSTR_ALIGNED(String)) return wcscpy((PWSTR)Destination,(PCWSTR)Source);
  85     return uaw_wcscpy(Destination,Source);
  86   }
  87   static __inline PUWSTR ua_wcsrchr(PUWSTR String,WCHAR Character) {
  88     if(WSTR_ALIGNED(String)) return wcsrchr(String,Character);
  89     return uaw_wcsrchr((PCUWSTR)String,Character);
  90   }
  91 #endif
  92
  93   static __inline PUWSTR ua_wcscpy(PUWSTR Destination,PCUWSTR Source) {
  94     if(WSTR_ALIGNED(Source) && WSTR_ALIGNED(Destination)) return wcscpy((PWSTR)Destination,(PCWSTR)Source);
  95     return uaw_wcscpy(Destination,Source);
  96   }
  97   static __inline size_t ua_wcslen(PCUWSTR String) {
  98     if(WSTR_ALIGNED(String)) return wcslen((PCWSTR)String);
  99     return uaw_wcslen(String);
 100   }
 101 #endif
 102
 103   static __inline int ua_wcsicmp(LPCUWSTR String1,LPCUWSTR String2) {
 104     if(WSTR_ALIGNED(String1) && WSTR_ALIGNED(String2)) return _wcsicmp((LPCWSTR)String1,(LPCWSTR)String2);
 105     return uaw_wcsicmp(String1,String2);
 106   }
 107 #endif
 108
 109 #ifndef __UA_WCSLEN
 110 #define __UA_WCSLEN ua_wcslen
 111 #endif
 112
 113 #define __UA_WSTRSIZE(s) ((__UA_WCSLEN(s)+1)*sizeof(WCHAR))
 114 #define __UA_STACKCOPY(p,s) memcpy(_alloca(s),p,s)
 115
 116 #ifdef I_X86_
 117 #define WSTR_ALIGNED_STACK_COPY(d,s) (*(d) = (PCWSTR)(s))
 118 #else
 119 #define WSTR_ALIGNED_STACK_COPY(d,s) { PCUWSTR __ua_src; ULONG __ua_size; PWSTR __ua_dst; __ua_src = (s); if(WSTR_ALIGNED(__ua_src)) { __ua_dst = (PWSTR)__ua_src; } else { __ua_size = __UA_WSTRSIZE(__ua_src); __ua_dst = (PWSTR)_alloca(__ua_size); memcpy(__ua_dst,__ua_src,__ua_size); } *(d) = (PCWSTR)__ua_dst; }
 120 #endif
 121
 122 #define ASTR_ALIGNED_STACK_COPY(d,s) (*(d) = (PCSTR)(s))
 123
 124 #ifndef I_X86_
 125 #define __UA_STRUC_ALIGNED(t,s) (((DWORD_PTR)(s) & (TYPE_ALIGNMENT(t)-1))==0)
 126 #define STRUC_ALIGNED_STACK_COPY(t,s) __UA_STRUC_ALIGNED(t,s) ? ((t const *)(s)) : ((t const *)__UA_STACKCOPY((s),sizeof(t)))
 127 #else
 128 #define STRUC_ALIGNED_STACK_COPY(t,s) ((CONST t *)(s))
 129 #endif
 130
 131 #ifdef UNICODE
 132 #define TSTR_ALIGNED_STACK_COPY(d,s) WSTR_ALIGNED_STACK_COPY(d,s)
 133 #define TSTR_ALIGNED(x) WSTR_ALIGNED(x)
 134 #define ua_CharUpper ua_CharUpperW
 135 #define ua_lstrcmp ua_lstrcmpW
 136 #define ua_lstrcmpi ua_lstrcmpiW
 137 #define ua_lstrlen ua_lstrlenW
 138 #define ua_tcscpy ua_wcscpy
 139 #else
 140 #define TSTR_ALIGNED_STACK_COPY(d,s) ASTR_ALIGNED_STACK_COPY(d,s)
 141 #define TSTR_ALIGNED(x) TRUE
 142 #define ua_CharUpper CharUpperA
 143 #define ua_lstrcmp lstrcmpA
 144 #define ua_lstrcmpi lstrcmpiA
 145 #define ua_lstrlen lstrlenA
 146 #define ua_tcscpy strcpy
 147 #endif
 148
 149 #ifdef __cplusplus
 150 }
 151 #endif
 152
 153 #include <sec_api/stralign_s.h>
 154 #endif