File: tst-mallocalign1.c

package info (click to toggle)
glibc 2.19-18+deb8u7
  • links: PTS, VCS
  • area: main
  • in suites: jessie-backports
  • size: 204,748 kB
  • sloc: ansic: 970,427; asm: 241,207; sh: 10,069; makefile: 8,476; cpp: 3,595; perl: 2,077; pascal: 1,839; awk: 1,704; yacc: 317; sed: 73
file content (72 lines) | stat: -rw-r--r-- 1,684 bytes parent folder | download | duplicates (10)
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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
/* Copyright (C) 2012-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <stdio.h>
#include <stdlib.h>

/* Specified by x86-64 psABI.  */
#define ALIGN_MASK (16 - 1)

void *
test (size_t s)
{
  void *p = malloc (s);

  printf ("malloc: %ld, %p: %ld\n", (unsigned long) s, p,
	  ((unsigned long) p) & ALIGN_MASK);
  return p;
}

static int
do_test (void)
{
  void *p;
  int ret = 0;

  p = test (2);
  ret |= (unsigned long) p & ALIGN_MASK;
  free (p);

  p = test (8);
  ret |= (unsigned long) p & ALIGN_MASK;
  free (p);

  p = test (13);
  ret |= (unsigned long) p & ALIGN_MASK;
  free (p);

  p = test (16);
  ret |= (unsigned long) p & ALIGN_MASK;
  free (p);

  p = test (23);
  ret |= (unsigned long) p & ALIGN_MASK;
  free (p);

  p = test (43);
  ret |= (unsigned long) p & ALIGN_MASK;
  free (p);

  p = test (123);
  ret |= (unsigned long) p & ALIGN_MASK;
  free (p);

  return ret;
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"