File: static-analyzer-config.cpp

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (20 lines) | stat: -rw-r--r-- 700 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
 
// REQUIRES: static-analyzer
// RUN: clang-tidy %s -checks='-*,clang-analyzer-unix.Malloc' -config='{CheckOptions: { "clang-analyzer-unix.DynamicMemoryModeling:Optimistic": true}}' -- | FileCheck %s
typedef __typeof(sizeof(int)) size_t;
void *malloc(size_t);
void free(void *);
void __attribute((ownership_returns(malloc))) *my_malloc(size_t);
void __attribute((ownership_takes(malloc, 1))) my_free(void *);

void f1() {
  void *p = malloc(12);
  return;
  // CHECK: warning: Potential leak of memory pointed to by 'p' [clang-analyzer-unix.Malloc]
}

void af2() {
  void *p = my_malloc(12);
  my_free(p);
  free(p);
  // CHECK: warning: Attempt to free released memory [clang-analyzer-unix.Malloc]
}