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// RUN: %clang_cc1 %s -verify -fsyntax-only -Werror=implicit-function-declaration
/// -Werror-implicit-function-declaration is a deprecated alias used by many projects.
// RUN: %clang_cc1 %s -verify -fsyntax-only -Werror-implicit-function-declaration
typedef int int32_t;
typedef unsigned char Boolean;
extern int printf(__const char *__restrict __format, ...); // expected-note{{'printf' declared here}}
void func() {
int32_t *vector[16];
const char compDesc[16 + 1];
int32_t compCount = 0;
if (_CFCalendarDecomposeAbsoluteTimeV(compDesc, vector, compCount)) { // expected-error {{implicit declaration of function '_CFCalendarDecomposeAbsoluteTimeV' is invalid in C99}} expected-note {{previous implicit declaration}}
}
printg("Hello, World!\n"); // expected-error{{implicit declaration of function 'printg' is invalid in C99}} \
// expected-note{{did you mean 'printf'?}}
__builtin_is_les(1, 3); // expected-error{{use of unknown builtin '__builtin_is_les'}}
}
Boolean _CFCalendarDecomposeAbsoluteTimeV(const char *componentDesc, int32_t **vector, int32_t count) { // expected-error {{conflicting types}}
return 0;
}
// Test the typo-correction callback in Sema::ImplicitlyDefineFunction
extern int sformatf(char *str, __const char *__restrict __format, ...); // expected-note{{'sformatf' declared here}}
void test_implicit() {
int formats = 0;
formatd("Hello, World!\n"); // expected-error{{implicit declaration of function 'formatd' is invalid in C99}} \
// expected-note{{did you mean 'sformatf'?}}
}
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