File: pr41463.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (56 lines) | stat: -rw-r--r-- 762 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
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
#include <stdlib.h>

union tree_node;

struct tree_common 
{
  int a;
  long b;
  long c;
  void *p;
  int d;
};

struct other_tree
{
  struct tree_common common;
  int arr[14];
};

struct tree_vec
{
  struct tree_common common;
  int length;
  union tree_node *a[1];
};

union tree_node
{
  struct other_tree othr;
  struct tree_vec vec;
};

union tree_node global;

union tree_node * __attribute__((noinline))
foo (union tree_node *p, int i)
{
  union tree_node **q;
  p->vec.a[i] = (union tree_node *) 0;
  q = &p->vec.a[1];
  *q = &global;
  return p->vec.a[i];
}

extern void abort (void);
extern void *malloc (__SIZE_TYPE__);

int
main()
{
  union tree_node *p = malloc (sizeof (union tree_node));
  if (foo (p, 1) != &global)
    abort ();
  return 0;
}