memory

source of perl for linux application,

################################################################################
##
##  $Revision: 3 $
##  $Author: mhx $
##  $Date: 2007/01/02 12:32:31 +0100 $
##
################################################################################
##
##  Version 3.x, Copyright (C) 2004-2007, Marcus Holland-Moritz.
##  Version 2.x, Copyright (C) 2001, Paul Marquess.
##  Version 1.x, Copyright (C) 1999, Kenneth Albanowski.
##
##  This program is free software; you can redistribute it and/or
##  modify it under the same terms as Perl itself.
##
################################################################################

=provides

__UNDEFINED__

=implementation

#ifdef HAS_MEMCMP
__UNDEFINED__  memNE(s1,s2,l)  (memcmp(s1,s2,l))
__UNDEFINED__  memEQ(s1,s2,l)  (!memcmp(s1,s2,l))
#else
__UNDEFINED__  memNE(s1,s2,l)  (bcmp(s1,s2,l))
__UNDEFINED__  memEQ(s1,s2,l)  (!bcmp(s1,s2,l))
#endif

__UNDEFINED__  MoveD(s,d,n,t)  memmove((char*)(d),(char*)(s), (n) * sizeof(t))
__UNDEFINED__  CopyD(s,d,n,t)  memcpy((char*)(d),(char*)(s), (n) * sizeof(t))
#ifdef HAS_MEMSET
__UNDEFINED__  ZeroD(d,n,t)    memzero((char*)(d), (n) * sizeof(t))
#else
__UNDEFINED__  ZeroD(d,n,t)    ((void)memzero((char*)(d), (n) * sizeof(t)), d)
#endif

__UNDEFINED__  PoisonWith(d,n,t,b)  (void)memset((char*)(d), (U8)(b), (n) * sizeof(t))
__UNDEFINED__  PoisonNew(d,n,t)     PoisonWith(d,n,t,0xAB)
__UNDEFINED__  PoisonFree(d,n,t)    PoisonWith(d,n,t,0xEF)
__UNDEFINED__  Poison(d,n,t)        PoisonFree(d,n,t)

__UNDEFINED__  Newx(v,n,t)     New(0,v,n,t)
__UNDEFINED__  Newxc(v,n,t,c)  Newc(0,v,n,t,c)
__UNDEFINED__  Newxz(v,n,t)    Newz(0,v,n,t)

=xsubs

int
checkmem()
  PREINIT:
    char *p;

  CODE:
    RETVAL = 0;
    Newx(p, 6, char);
    CopyD("Hello", p, 6, char);
    if (memEQ(p, "Hello", 6))
      RETVAL++;
    ZeroD(p, 6, char);
    if (memEQ(p, "\0\0\0\0\0\0", 6))
      RETVAL++;
    Poison(p, 6, char);
    if (memNE(p, "\0\0\0\0\0\0", 6))
      RETVAL++;
    Safefree(p);

    Newxz(p, 6, char);
    if (memEQ(p, "\0\0\0\0\0\0", 6))
      RETVAL++;
    Safefree(p);

    Newxc(p, 3, short, char);
    Safefree(p);

  OUTPUT:
    RETVAL

=tests plan => 1

ok(Devel::PPPort::checkmem(), 4);