File: division-by-zero-track-zero.c

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 (11 lines) | stat: -rw-r--r-- 458 bytes parent folder | download | duplicates (19) 
1
2
3
4
5
6
7
8
9
10
11
 
// RUN: %clang_analyze_cc1 -analyzer-checker=core \
// RUN:   -analyzer-output=text \
// RUN:   -verify %s

int track_mul_lhs_0(int x, int y) {
  int p0 = x < 0;   // expected-note {{Assuming 'x' is >= 0}} \
                    // expected-note {{'p0' initialized to 0}}
  int div = p0 * y; // expected-note {{'div' initialized to 0}}
  return 1 / div;   // expected-note {{Division by zero}} \
                    // expected-warning {{Division by zero}}
}