File: warn-string-conversion.c

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (34 lines) | stat: -rw-r--r-- 1,027 bytes parent folder | download | duplicates (13) 
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);
void assert_error(void);

#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(void) {
  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(void) {
  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}}
}