epoc32/include/stdapis/stlportv5/stl/_tempbuf.c
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
parent 3 e1b950c65cb4
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
     1 /*
     2  *
     3  *
     4  * Copyright (c) 1994
     5  * Hewlett-Packard Company
     6  *
     7  * Copyright (c) 1996,1997
     8  * Silicon Graphics Computer Systems, Inc.
     9  *
    10  * Copyright (c) 1997
    11  * Moscow Center for SPARC Technology
    12  *
    13  * Copyright (c) 1999
    14  * Boris Fomitchev
    15  *
    16  * This material is provided "as is", with absolutely no warranty expressed
    17  * or implied. Any use is at your own risk.
    18  *
    19  * Permission to use or copy this software for any purpose is hereby granted
    20  * without fee, provided the above notices are retained on all copies.
    21  * Permission to modify the code and to distribute modified code is granted,
    22  * provided the above notices are retained, and a notice that the code was
    23  * modified is included with the above copyright notice.
    24  *
    25  */
    26 #ifndef _STLP_TEMPBUF_C
    27 #define _STLP_TEMPBUF_C
    28 
    29 #ifndef _STLP_INTERNAL_TEMPBUF_H
    30 # include <stl/_tempbuf.h>
    31 #endif
    32 
    33 _STLP_BEGIN_NAMESPACE
    34 
    35 template <class _Tp>
    36 pair<_Tp*, ptrdiff_t> _STLP_CALL
    37 __get_temporary_buffer(ptrdiff_t __len, _Tp*)
    38 {
    39   if (__len > ptrdiff_t(INT_MAX / sizeof(_Tp)))
    40     __len = INT_MAX / sizeof(_Tp);
    41 
    42   while (__len > 0) {
    43     _Tp* __tmp = (_Tp*) malloc((size_t)__len * sizeof(_Tp));
    44     if (__tmp != 0)
    45       return pair<_Tp*, ptrdiff_t>(__tmp, __len);
    46     __len /= 2;
    47   }
    48 
    49   return pair<_Tp*, ptrdiff_t>((_Tp*)0, 0);
    50 }
    51 _STLP_END_NAMESPACE
    52 
    53 #endif /*  _STLP_TEMPBUF_C */
    54 
    55 // Local Variables:
    56 // mode:C++
    57 // End: