42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
// RUN: %clang_cc1 -Wconversion -Wliteral-conversion -fsyntax-only -verify %s
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// C DR #316, PR 3626.
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void f0(a, b, c, d) int a,b,c,d; {}
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void t0(void) {
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f0(1); // expected-warning{{too few arguments}}
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}
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void f1(a, b) int a, b; {}
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void t1(void) {
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f1(1, 2, 3); // expected-warning{{too many arguments}}
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}
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void f2(float); // expected-note{{previous declaration is here}}
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void f2(x) float x; { } // expected-warning{{promoted type 'double' of K&R function parameter is not compatible with the parameter type 'float' declared in a previous prototype}}
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typedef void (*f3)(void);
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f3 t3(int b) { return b? f0 : f1; } // okay
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// <rdar://problem/8193107>
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void f4() {
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char *rindex();
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}
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char *rindex(s, c)
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register char *s, c; // expected-warning{{promoted type 'char *' of K&R function parameter is not compatible with the parameter type 'const char *' declared in a previous prototype}}
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{
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return 0;
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}
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// PR8314
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void proto(int);
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void proto(x)
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int x;
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{
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}
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void use_proto() {
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proto(42.1); // expected-warning{{implicit conversion from 'double' to 'int' changes value from 42.1 to 42}}
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(&proto)(42.1); // expected-warning{{implicit conversion from 'double' to 'int' changes value from 42.1 to 42}}
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}
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