malloc/mcheck.c

   1 /* The mcheck() interface.
   2    Copyright (C) 1990-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #if !IS_IN (libc)
  20 # include "mcheck-impl.c"
  21 #else
  22 # include <mcheck.h>
  23 #endif
  24
  25 void
  26 mcheck_check_all (void)
  27 {
  28 #if !IS_IN (libc)
  29   __mcheck_checkptr (NULL);
  30 #endif
  31 }
  32
  33 int
  34 mcheck (void (*func) (enum mcheck_status))
  35 {
  36 #if IS_IN (libc)
  37   return -1;
  38 #else
  39   return __mcheck_initialize (func, false);
  40 #endif
  41 }
  42
  43 int
  44 mcheck_pedantic (void (*func) (enum mcheck_status))
  45 {
  46 #if IS_IN (libc)
  47   return -1;
  48 #else
  49   return __mcheck_initialize (func, true);
  50 #endif
  51 }
  52
  53 enum mcheck_status
  54 mprobe (void *ptr)
  55 {
  56 #if IS_IN (libc)
  57   return MCHECK_DISABLED;
  58 #else
  59   return __mcheck_checkptr (ptr);
  60 #endif
  61 }