File: warn-string-conversion.c

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (34 lines) | stat: -rw-r--r-- 1,011 bytes parent folder | download | duplicates (14) 
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
32
33
34
 
// RUN: %clang_cc1 -verify -fsyntax-only -Wstring-conversion %s

void do_nothing();
void assert_error();

#define assert1(expr) \
  if (expr)           \
    do_nothing();     \
  else                \
  assert_error()

#define assert2(expr) \
  ((expr) ? do_nothing() : assert_error())

// Exception for common assert form.
void test1() {
  assert1(0 && "foo");
  assert1("foo" && 0);
  assert1(0 || "foo"); // expected-warning {{string literal}}
  assert1("foo"); // expected-warning {{string literal}}

  assert2(0 && "foo");
  assert2("foo" && 0);
  assert2(0 || "foo"); // expected-warning {{string literal}}
  assert2("foo"); // expected-warning {{string literal}}
}

void test2() {
  if ("hi") {}           // expected-warning {{string literal}}
  while ("hello") {}     // expected-warning {{string literal}}
  for (;"howdy";) {}     // expected-warning {{string literal}}
  do { } while ("hey");  // expected-warning {{string literal}}
  int x = "hey" ? 1 : 2; // expected-warning {{string literal}}
}