forked from Mirrors/tinycc
Fix macro expansion of empty args.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>master
parent
a6149c6dbb
commit
fb6331e0fa
2
tccpp.c
2
tccpp.c
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@ -2640,7 +2640,7 @@ static int *macro_arg_subst(Sym **nested_list, const int *macro_str, Sym *args)
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tok_str_add2(&str, t1, &cval);
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tok_str_add2(&str, t1, &cval);
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}
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}
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}
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}
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} else {
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} else if (*st != TOK_PLCHLDR) {
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/* NOTE: the stream cannot be read when macro
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/* NOTE: the stream cannot be read when macro
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substituing an argument */
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substituing an argument */
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macro_subst(&str, nested_list, st, NULL);
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macro_subst(&str, nested_list, st, NULL);
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@ -0,0 +1,9 @@
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#include <stdio.h>
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#define T(a,b,c) a b c
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int main(void)
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{
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printf("%d", T(1,+,2) T(+,,) T(,2,*) T(,7,) T(,,));
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return 0;
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}
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@ -0,0 +1 @@
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17
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@ -89,7 +89,9 @@ TESTS = \
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67_macro_concat.test \
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67_macro_concat.test \
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68_macro_param_list_err_1.test \
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68_macro_param_list_err_1.test \
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69_macro_param_list_err_2.test \
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69_macro_param_list_err_2.test \
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70_floating_point_literals.test
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70_floating_point_literals.test \
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71_macro_empty_arg.test \
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# 34_array_assignment.test -- array assignment is not in C standard
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# 34_array_assignment.test -- array assignment is not in C standard
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