forked from OSchip/llvm-project
42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
// RUN: clang -fsyntax-only -verify %s
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void f() {
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int *ptr = malloc(sizeof(int) * 10); // expected-warning{{implicitly declaring C library function 'malloc' with type}} \
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// expected-note{{please include the header <stdlib.h> or explicitly provide a declaration for 'malloc'}} \
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// expected-note{{'malloc' is a builtin with type 'void *}}
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}
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void *alloca(__SIZE_TYPE__); // redeclaration okay
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int *calloc(__SIZE_TYPE__, __SIZE_TYPE__); // expected-warning{{incompatible redeclaration of library function 'calloc' will be ignored}} \
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// expected-note{{'calloc' is a builtin with type 'void *}}
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void g(int malloc) { // okay: these aren't functions
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int calloc = 1;
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}
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void h() {
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int malloc(int); // expected-warning{{incompatible redeclaration of library function 'malloc' will be ignored}}
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int strcpy(int); // expected-warning{{incompatible redeclaration of library function 'strcpy' will be ignored}} \
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// expected-note{{'strcpy' is a builtin with type 'char *(char *, char const *)'}}
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}
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void f2() {
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fprintf(0, "foo"); // expected-error{{implicit declaration of 'fprintf' requires inclusion of the header <stdio.h>}}
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}
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// PR2892
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void __builtin_object_size(); // expected-error{{conflicting types}} \
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// expected-note{{'__builtin_object_size' is a builtin with type}}
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int a[10];
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int f0() {
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return __builtin_object_size(&a); // expected-error {{too few arguments to function}}
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}
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void * realloc(void *p, int size) { // expected-warning{{incompatible redeclaration of library function 'realloc' will be ignored}} \
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// expected-note{{'realloc' is a builtin with type 'void *(void *,}}
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return p;
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}
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