File: no-prune-paths.c

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (21 lines) | stat: -rw-r--r-- 650 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
// RUN: %clang_analyze_cc1 -analyzer-checker=core -analyzer-output=text -verify %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core -analyzer-output=text -analyzer-config prune-paths=false -DNPRUNE=1 -verify %s

// "prune-paths" is a debug option only; this is just a simple test to see that
// it's being honored.

void helper(void) {
  extern void foo(void);
  foo();
}

void test(void) {
  helper();
#if NPRUNE
  // expected-note@-2 {{Calling 'helper'}}
  // expected-note@-3 {{Returning from 'helper'}}
#endif

  *(volatile int *)0 = 1; // expected-warning {{Dereference of null pointer}}
  // expected-note@-1 {{Dereference of null pointer}}
}