File: warn-sizeof-arrayarg.c

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (26 lines) | stat: -rw-r--r-- 881 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// RUN: %clang_cc1 -fsyntax-only -verify %s

typedef int Arr[10];

typedef int trungl_int;

void f(int a[10], Arr arr) { // expected-note 4 {{declared here}}

  /* Should warn. */
  (void)sizeof(a);  // \
      // expected-warning{{sizeof on array function parameter will return size of 'int *' instead of 'int[10]'}}
  (void)sizeof((((a))));  // \
      // expected-warning{{sizeof on array function parameter will return size of 'int *' instead of 'int[10]'}}
  (void)sizeof a;  // \
      // expected-warning{{sizeof on array function parameter will return size of 'int *' instead of 'int[10]'}}
  (void)sizeof arr;  // \
      // expected-warning{{sizeof on array function parameter will return size of 'int *' instead of 'Arr' (aka 'int[10]')}}

  /* Shouldn't warn. */
  int b[10];
  (void)sizeof b;
  Arr brr;
  (void)sizeof brr;
  (void)sizeof(Arr);
  (void)sizeof(int);
}