modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compat/strct-layout.c (about)

     1  typedef struct
     2  {
     3    char a;
     4    int b;
     5    char c;
     6    short d;
     7    double e;
     8    char f;
     9  } T;
    10  
    11  #if COMPILER != 1
    12  f (T *x)
    13  {
    14    x[0].a = 'a';
    15    x[0].b = 47114711;
    16    x[0].c = 'c';
    17    x[0].d = 1234;
    18    x[0].e = 3.141592897932;
    19    x[0].f = '*';
    20  
    21    x[1].a = 'A';
    22    x[1].b = 71417141;
    23    x[1].c = 'C';
    24    x[1].d = 4321;
    25    x[1].e = 2.718281828459;
    26    x[1].f = '?';
    27  }
    28  #endif
    29  
    30  #if COMPILER != 2
    31  g (T *x)
    32  {
    33    if (x[0].a != 'a')
    34      abort ();
    35    if (x[0].b != 47114711)
    36      abort ();
    37    if (x[0].c != 'c')
    38      abort ();
    39    if (x[0].d != 1234)
    40      abort ();
    41    if (x[0].e != 3.141592897932)
    42      abort ();
    43    if (x[0].f != '*')
    44      abort ();
    45  
    46    if (x[1].a != 'A')
    47      abort ();
    48    if (x[1].b != 71417141)
    49      abort ();
    50    if (x[1].c != 'C')
    51      abort ();
    52    if (x[1].d != 4321)
    53      abort ();
    54    if (x[1].e != 2.718281828459)
    55      abort ();
    56    if (x[1].f != '?')
    57      abort ();
    58  }
    59  #endif
    60  
    61  #if COMPILER != 2
    62  main ()
    63  {
    64    T x[2];
    65    f (x);
    66    g (x);
    67    exit (0);
    68  }
    69  #endif