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Diffstat (limited to 'stlport/stlport/stl/_tempbuf.c')
-rw-r--r-- | stlport/stlport/stl/_tempbuf.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/stlport/stlport/stl/_tempbuf.c b/stlport/stlport/stl/_tempbuf.c new file mode 100644 index 0000000..179b472 --- /dev/null +++ b/stlport/stlport/stl/_tempbuf.c @@ -0,0 +1,57 @@ +/* + * + * + * Copyright (c) 1994 + * Hewlett-Packard Company + * + * Copyright (c) 1996,1997 + * Silicon Graphics Computer Systems, Inc. + * + * Copyright (c) 1997 + * Moscow Center for SPARC Technology + * + * Copyright (c) 1999 + * Boris Fomitchev + * + * This material is provided "as is", with absolutely no warranty expressed + * or implied. Any use is at your own risk. + * + * Permission to use or copy this software for any purpose is hereby granted + * without fee, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ +#ifndef _STLP_TEMPBUF_C +#define _STLP_TEMPBUF_C + +#ifndef _STLP_INTERNAL_TEMPBUF_H +# include <stl/_tempbuf.h> +#endif + +_STLP_BEGIN_NAMESPACE + +template <class _Tp> +pair<_Tp*, ptrdiff_t> _STLP_CALL +__get_temporary_buffer(ptrdiff_t __len, _Tp*) +{ + if (__len > ptrdiff_t(INT_MAX / sizeof(_Tp))) + __len = INT_MAX / sizeof(_Tp); + + while (__len > 0) { + _Tp* __tmp = (_Tp*) malloc((size_t)__len * sizeof(_Tp)); + if (__tmp != 0) + return pair<_Tp*, ptrdiff_t>(__tmp, __len); + __len /= 2; + } + + return pair<_Tp*, ptrdiff_t>((_Tp*)0, 0); +} +_STLP_END_NAMESPACE + +#endif /* _STLP_TEMPBUF_C */ + +// Local Variables: +// mode:C++ +// End: |