1 // RUN: %clang_cc1 %s -verify -fsyntax-only -Werror 2 3 typedef int int32_t; 4 typedef unsigned char Boolean; 5 6 extern int printf(__const char *__restrict __format, ...); // expected-note{{'printf' declared here}} 7 8 void func() { 9 int32_t *vector[16]; 10 const char compDesc[16 + 1]; 11 int32_t compCount = 0; 12 if (_CFCalendarDecomposeAbsoluteTimeV(compDesc, vector, compCount)) { // expected-note {{previous implicit declaration is here}} \ 13 expected-error {{implicit declaration of function '_CFCalendarDecomposeAbsoluteTimeV' is invalid in C99}} 14 } 15 16 printg("Hello, World!\n"); // expected-error{{implicit declaration of function 'printg' is invalid in C99}} \ 17 // expected-note{{did you mean 'printf'?}} 18 19 __builtin_is_les(1, 3); // expected-error{{use of unknown builtin '__builtin_is_les'}} 20 } 21 Boolean _CFCalendarDecomposeAbsoluteTimeV(const char *componentDesc, int32_t **vector, int32_t count) { // expected-error{{conflicting types for '_CFCalendarDecomposeAbsoluteTimeV'}} 22 return 0; 23 } 24 25 26 // Test the typo-correction callback in Sema::ImplicitlyDefineFunction 27 extern int sformatf(char *str, __const char *__restrict __format, ...); // expected-note{{'sformatf' declared here}} 28 void test_implicit() { 29 int formats = 0; 30 formatd("Hello, World!\n"); // expected-error{{implicit declaration of function 'formatd' is invalid in C99}} \ 31 // expected-note{{did you mean 'sformatf'?}} 32 } 33