File: silence-checkers-and-packages-core-div-by-zero.cpp

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (18 lines) | stat: -rw-r--r-- 479 bytes parent folder | download | duplicates (21)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
// RUN: %clang_analyze_cc1 \
// RUN:  -analyzer-checker=core -analyzer-config \
// RUN:   silence-checkers=core.DivideZero \
// RUN:  -verify %s

void test_disable_core_div_by_zero() {
  (void)(1 / 0);
  // expected-warning@-1 {{division by zero is undefined}}
  // no-warning: 'Division by zero'
}

void test_disable_null_deref(int *p) {
  if (p)
    return;

  int x = p[0];
  // expected-warning@-1 {{Array access (from variable 'p') results in a null pointer dereference}}
}