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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [cpp/] [macro3.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 jeremybenn
/* { dg-do run } */
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/* { dg-options "-std=c99" } */
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/* First two tests sourced from a bug report of Thomas Pornin.
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   Varargs test source Jamie Lokier.
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   All adapted for the testsuite by Neil Booth, Oct 2000.  */
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/* Tests various macro abuse is correctly expanded.  */
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static int d = 4;
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#define c(x) d
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#define d(x) c(2)
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#if 0
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/* This macro chain above sucks up the whole file once it starts, so
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   I've commented it out.  The example is left for idle amusement :-) */
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#define a(x) b(
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#define b(x) a(
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#endif
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#define apply(...)   apply2 (__VA_ARGS__)  
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#define half(x)      ((x) / 2)
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#define apply2(f,x)  f (x)
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extern void abort (void);
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extern void exit (int);
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int main()
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{
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  /* Expands to c(2) then d.  */
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  if (c(c)(c) != 4)
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    abort ();
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  if (apply (half, 200) != 100)
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    abort ();
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  exit (0);
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}

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