25 lines
627 B
C
25 lines
627 B
C
/* { dg-do preprocess } */
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/* Test source Robert Lipe, with minor modifications for the testsuite
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by Neil Booth. 29 Oct 2000. */
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#define _VA_ARGS_0() 42
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#define _L_0() (
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#define _R_0() )
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#define __VA_ARGLIST(argc,list) \
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_VA_ARGS_##argc list
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#define _CAT_LIST(argc,list1,list2) \
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_L_##argc list1 _R_##argc list2
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#define _VA_ARGLIST(argc,list1,list2) \
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__VA_ARGLIST(argc, \
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_CAT_LIST(argc, list1, list2))
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#define BLAH(a) _VA_ARGLIST(a, (), ())
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#if BLAH (0) != 42
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#error Simulated varargs macros
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#endif
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