52 lines
2.1 KiB
C
52 lines
2.1 KiB
C
// RUN: clang-cc -fsyntax-only -verify -pedantic %s
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void foo() {
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*(0 ? (double *)0 : (void *)0) = 0;
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// FIXME: GCC doesn't consider the the following two statements to be errors.
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*(0 ? (double *)0 : (void *)(int *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}}
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*(0 ? (double *)0 : (void *)(double *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}}
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*(0 ? (double *)0 : (int *)(void *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}} expected-warning {{pointer type mismatch ('double *' and 'int *')}}
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*(0 ? (double *)0 : (double *)(void *)0) = 0;
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*((void *) 0) = 0; // expected-error {{incomplete type 'void' is not assignable}}
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double *dp;
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int *ip;
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void *vp;
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dp = vp;
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vp = dp;
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ip = dp; // expected-warning {{incompatible pointer types assigning 'double *', expected 'int *'}}
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dp = ip; // expected-warning {{incompatible pointer types assigning 'int *', expected 'double *'}}
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dp = 0 ? (double *)0 : (void *)0;
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vp = 0 ? (double *)0 : (void *)0;
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ip = 0 ? (double *)0 : (void *)0; // expected-warning {{incompatible pointer types assigning 'double *', expected 'int *'}}
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const int *cip;
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vp = (0 ? vp : cip); // expected-warning {{discards qualifiers}}
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vp = (0 ? cip : vp); // expected-warning {{discards qualifiers}}
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int i = 2;
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int (*pf)[2];
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int (*pv)[i];
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pf = (i ? pf : pv);
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enum {xxx,yyy,zzz} e, *ee;
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short x;
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ee = ee ? &x : ee ? &i : &e; // expected-warning {{pointer type mismatch}}
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typedef void *asdf;
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*(0 ? (asdf) 0 : &x) = 10;
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}
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int Postgresql() {
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char x;
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return ((((&x) != ((void *) 0)) ? (*(&x) = ((char) 1)) : (void) ((void *) 0)), (unsigned long) ((void *) 0)); // expected-warning {{C99 forbids conditional expressions with only one void side}}
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}
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#define nil ((void*) 0)
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extern int f1(void);
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int f0(int a) {
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// GCC considers this a warning.
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return a ? f1() : nil; // expected-warning {{pointer/integer type mismatch in conditional expression ('int' and 'void *')}} expected-warning {{incompatible pointer to integer conversion returning 'void *', expected 'int'}}
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}
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