File: implicit-decl.c

package info (click to toggle)
flang 20181226-2
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 181,072 kB
  • sloc: cpp: 1,182,685; ansic: 598,652; objc: 103,775; f90: 57,054; python: 15,041; fortran: 13,601; lisp: 10,416; perl: 2,460; asm: 2,148; sh: 1,544; awk: 995; cs: 565; xml: 403; lex: 295; makefile: 225; pascal: 130
file content (31 lines) | stat: -rw-r--r-- 1,399 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
// RUN: %clang_cc1 %s -verify -fsyntax-only -Werror

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'?}}
}