gcc/testsuite/gcc.dg/pragma-pack-2.c

   1 /* On Solaris, #pragma pack should accept macro expansion.  */
   2
   3 /* { dg-do run { target *-*-solaris2.* } } */
   4
   5 extern void abort (void);
   6
   7 struct {
   8         char one;
   9         long two;
  10 } defaultalign;
  11
  12 #define ALIGNHIGH 16
  13
  14 #pragma pack(ALIGNHIGH)
  15 struct {
  16         char one;
  17         long two;
  18 } sixteen;
  19
  20 #define ALIGN1(X) 1
  21 #pragma pack(ALIGN1(4))
  22 struct {
  23         char one;
  24         long two;
  25 } two;
  26
  27 #define ALIGN2(X) X
  28 #pragma pack(ALIGN2(2))
  29 struct {
  30         char one;
  31         long two;
  32 } three;
  33
  34 #define EMPTY
  35 #pragma pack(EMPTY)
  36 struct {
  37         char one;
  38         long two;
  39 } resetalign;
  40
  41 main()
  42 {
  43         if(sizeof(sixteen) < sizeof(defaultalign)) abort();
  44         if(sizeof(two) >= sizeof(defaultalign)) abort();
  45         if(sizeof(three) <= sizeof(two)) abort();
  46         if(sizeof(resetalign) != sizeof(defaultalign)) abort();
  47         return 0;
  48 }