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-error {{implicit declaration of function '_CFCalendarDecomposeAbsoluteTimeV' is invalid in C99}} 13 } 14 15 printg("Hello, World!\n"); // expected-error{{implicit declaration of function 'printg' is invalid in C99}} \ 16 // expected-note{{did you mean 'printf'?}} 17 18 __builtin_is_les(1, 3); // expected-error{{use of unknown builtin '__builtin_is_les'}} 19 } 20 Boolean _CFCalendarDecomposeAbsoluteTimeV(const char *componentDesc, int32_t **vector, int32_t count) { 21 return 0; 22 } 23 24 25 // Test the typo-correction callback in Sema::ImplicitlyDefineFunction 26 extern int sformatf(char *str, __const char *__restrict __format, ...); // expected-note{{'sformatf' declared here}} 27 void test_implicit() { 28 int formats = 0; 29 formatd("Hello, World!\n"); // expected-error{{implicit declaration of function 'formatd' is invalid in C99}} \ 30 // expected-note{{did you mean 'sformatf'?}} 31 } 32