File: compound-literals.c

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (23 lines) | stat: -rw-r--r-- 881 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// RUN: %clang_cc1 -triple=i386-apple-darwin10 -verify %s -analyze \
// RUN:   -analyzer-checker=debug.ExprInspection

#define NULL 0
void clang_analyzer_eval(int);

// pr28449: Used to crash.
void foo(void) {
  static const unsigned short array[] = (const unsigned short[]){0x0F00};
  clang_analyzer_eval(array[0] == 0x0F00); // expected-warning{{TRUE}}
}

// check that we propagate info through compound literal regions
void bar(void) {
  int *integers = (int[]){1, 2, 3};
  clang_analyzer_eval(integers[0] == 1); // expected-warning{{TRUE}}
  clang_analyzer_eval(integers[1] == 2); // expected-warning{{TRUE}}
  clang_analyzer_eval(integers[2] == 3); // expected-warning{{TRUE}}

  int **pointers = (int *[]){&integers[0], NULL};
  clang_analyzer_eval(pointers[0] == NULL); // expected-warning{{FALSE}}
  clang_analyzer_eval(pointers[1] == NULL); // expected-warning{{TRUE}}
}