clang/test/Sema/wchar.c

   1 // RUN: %clang_cc1 %s -fsyntax-only -verify
   2 // RUN: %clang_cc1 %s -fsyntax-only -fwchar-type=short -fno-signed-wchar -verify -DSHORT_WCHAR
   3
   4 typedef __WCHAR_TYPE__ wchar_t;
   5
   6 #if defined(_WIN32) || defined(_M_IX86) || defined(__CYGWIN__) \
   7  || defined(_M_X64) || defined(__ORBIS__) || defined(__PROSPERO__) \
   8  || defined(SHORT_WCHAR) || (defined(_AIX) && !defined(__64BIT__))
   9   #define WCHAR_T_TYPE unsigned short
  10 #elif defined(__aarch64__)
  11   // See AArch64TargetInfo constructor -- unsigned on non-darwin non-OpenBSD non-NetBSD.
  12   #if defined(__OpenBSD__) || defined(__APPLE__) || defined(__NetBSD__)
  13     #define WCHAR_T_TYPE int
  14   #else
  15     #define WCHAR_T_TYPE unsigned int
  16   #endif
  17 #elif defined(__arm) || defined(__MVS__) || (defined(_AIX) && defined(__64BIT__))
  18   #define WCHAR_T_TYPE unsigned int
  19 #elif defined(__sun)
  20   #if defined(__LP64__)
  21     #define WCHAR_T_TYPE int
  22   #else
  23     #define WCHAR_T_TYPE long
  24   #endif
  25 #else /* Solaris, Linux, non-arm64 macOS, ... */
  26   #define WCHAR_T_TYPE int
  27 #endif
  28
  29 int check_wchar_size[sizeof(*L"") == sizeof(wchar_t) ? 1 : -1];
  30
  31 void foo(void) {
  32   WCHAR_T_TYPE t1[] = L"x";
  33   wchar_t tab[] = L"x";
  34   WCHAR_T_TYPE t2[] = "x";     // expected-error {{initializing wide char array with non-wide string literal}}
  35   char t3[] = L"x";   // expected-error {{initializing char array with wide string literal}}
  36 }