ReactOS 0.4.15-dev-7711-g5627da4
_tempbuf.c
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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
34
35template <class _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}
52
53#endif /* _STLP_TEMPBUF_C */
54
55// Local Variables:
56// mode:C++
57// End:
#define _STLP_CALL
Definition: _bc.h:131
_STLP_BEGIN_NAMESPACE pair< _Tp *, ptrdiff_t > _STLP_CALL __get_temporary_buffer(ptrdiff_t __len, _Tp *)
Definition: _tempbuf.c:37
#define malloc
Definition: debug_ros.c:4
__kernel_ptrdiff_t ptrdiff_t
Definition: linux.h:247
#define _STLP_BEGIN_NAMESPACE
Definition: features.h:501
#define _STLP_END_NAMESPACE
Definition: features.h:503
#define INT_MAX
Definition: limits.h:40
Definition: _pair.h:47