gnu/dist/gcc4/gcc/testsuite/gcc.dg/cpp/strp1.c

   1 /* { dg-do run } */
   2
   3 /* Regression test for stringizing and token pasting.
   4    We got internal escape markers in the strings.  */
   5
   6 #include <string.h>
   7 #include <stdlib.h>
   8
   9 #define S(x) _S(x)
  10 #define _S(x) #x
  11
  12 #define I 1
  13 static const char s1[] = S(I.1);
  14 static const char t1[] = "1.1";
  15
  16 #define f h
  17 #define h(a) a+f
  18 static const char s2[] = S( f(1)(2) );
  19 static const char t2[] = "1+h(2)";
  20
  21 #undef I
  22 #undef f
  23 #undef h
  24
  25 int
  26 main(void)
  27 {
  28   if (strcmp (s1, t1))
  29     abort ();
  30
  31   if (strcmp (s2, t2))
  32     abort ();
  33
  34   return 0;
  35 }