Merge pull request #20 from glenfe/develop

Move cstdint into Boost.Config (develop)
This commit is contained in:
jzmaddock
2014-06-01 18:01:40 +01:00
16 changed files with 1562 additions and 9 deletions

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@ -50,6 +50,7 @@ Distributed under the Boost Software License, Version 1.0.
[include configuring_boost.qbk] [include configuring_boost.qbk]
[include macro_reference.qbk] [include macro_reference.qbk]
[include cstdint.qbk]
[include guidelines.qbk] [include guidelines.qbk]
[include rationale.qbk] [include rationale.qbk]
[include acknowledgements.qbk] [include acknowledgements.qbk]

139
doc/cstdint.qbk Normal file
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@ -0,0 +1,139 @@
[section:cstdint Standard Integer Types]
[section Overview]
The header [^[@../../../../boost/cstdint.hpp <boost/cstdint.hpp>]] provides the typedef's useful
for writing portable code that requires certain integer widths. All typedef's are in namespace boost.
The specifications for these types are based on the ISO/IEC 9899:1999 C Language standard header <stdint.h>.
The 64-bit types required by the C standard are ['not required] in the boost header,
and may not be supplied for all platforms/compilers, because [^long long] is not [yet] included in the C++ standard.
See [@../../test/cstdint_test.cpp cstdint_test.cpp] for a test program.
[endsect]
[section:rationale Rationale]
The organization of the Boost.Integer headers and classes is designed to take advantage of <stdint.h> types from the
1999 C standard without causing undefined behavior in terms of the 1998 C++ standard.
The header <boost/cstdint.hpp> makes the standard integer types safely available in namespace [^boost]
without placing any names in namespace [^std]. The intension is to complement rather than compete
with the C++ Standard Library. Should some future C++ standard include <stdint.h> and <cstdint>,
then <boost/cstdint.hpp> will continue to function, but will become redundant and may be safely deprecated.
Because these are boost headers, their names conform to boost header naming conventions rather than
C++ Standard Library header naming conventions.
[endsect]
[section:ce ['Caveat emptor]]
As an implementation artifact, certain C <limits.h> macro names may possibly be
visible to users of <boost/cstdint.hpp>. Don't use these macros; they are not part of
any Boost-specified interface. Use [^boost::integer_traits<>] or [^std::numeric_limits<>] instead.
As another implementation artifact, certain C <stdint.h> typedef names may possibly be visible
in the global namespace to users of <boost/cstdint.hpp>. Don't use these names, they are not part of
any Boost-specified interface. Use the respective names in namespace [^boost] instead.
[endsect]
[section Exact-width integer types]
The typedef [^int#_t], with # replaced by the width, designates a signed integer type of exactly # bits;
for example [^int8_t] denotes an 8-bit signed integer type. Similarly, the typedef [^uint#_t] designates an unsigned
integer type of exactly # bits.
These types are optional. However, if a platform supports integer types with widths of
8, 16, 32, 64, or any combination thereof, then <boost/cstdint.hpp> does provide the
corresponding typedefs.
The absence of int64_t and uint64_t is indicated by the macro `BOOST_NO_INT64_T`.
[endsect]
[section Minimum-width integer types]
The typedef [^int_least#_t], with # replaced by the width, designates a signed integer type with a width
of at least # bits, such that no signed integer type with lesser size has at least the specified width.
Thus, [^int_least32_t] denotes the smallest signed integer type with a width of at least 32 bits.
Similarly, the typedef name [^uint_least#_t] designates an unsigned integer type with a width of at least # bits,
such that no unsigned integer type with lesser size has at least the specified width.
The following minimum-width integer types are provided for all platforms:
* [^int_least8_t]
* [^int_least16_t]
* [^int_least32_t]
* [^uint_least8_t]
* [^uint_least16_t]
* [^uint_least32_t]
The following types are available only if, after including <boost/cstdint.hpp>, the macro BOOST_NO_INT64_T is not defined:
* [^int_least64_t]
* [^uint_least64_t]
All other minimum-width integer types are optional.
[endsect]
[section Fastest minimum-width integer types]
The typedef [^int_fast#_t], with # replaced by the width, designates the fastest signed integer type
with a width of at least # bits. Similarly, the typedef name [^uint_fast#_t] designates the fastest
unsigned integer type with a width of at least # bits.
There is no guarantee that these types are fastest for all purposes. In any case, however, they satisfy
the signedness and width requirements.
The following fastest minimum-width integer types are provided for all platforms:
* [^int_fast8_t]
* [^int_fast16_t]
* [^int_fast32_t]
* [^uint_fast8_t]
* [^uint_fast16_t]
* [^uint_fast32_t]
The following types are available only if, after including <boost/cstdint.hpp>, the macro BOOST_NO_INT64_T is not defined:
* [^int_fast64_t]
* [^uint_fast64_t]
All other fastest minimum-width integer types are optional.
[endsect]
[section Greatest-width integer types]
The typedef [^intmax_t ]designates a signed integer type capable of representing any value of any signed integer type.
The typedef [^uintmax_t] designates an unsigned integer type capable of representing any value of any unsigned integer type.
These types are provided for all platforms.
[endsect]
[section Integer Constant Macros]
The following macros are always defined after inclusion of this header, these allow
integer constants of at least the specified width to be declared:
INT8_C, UINT8_C, INT16_C, UINT16_C, INT32_C, UINT32_C, INTMAX_C, UINTMAX_C.
The macros INT64_C and UINT64_C are also defined if the the macro BOOST_NO_INT64_T is not defined.
The C99 macro __STDC_CONSTANT_MACROS is also defined as an artifact of the implementation.
For example:
#include <boost/cstdint.hpp>
// Here the constant 0x1FFFFFFFF has the correct suffix applied:
static const boost::uint64_t c = INT64_C(0x1FFFFFFFF);
[endsect]
[endsect]

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<p>
The header <code class="literal"><a href="../../../../../boost/cstdint.hpp" target="_top">&lt;boost/cstdint.hpp&gt;</a></code>
provides the typedef's useful for writing portable code that requires certain
integer widths. All typedef's are in namespace boost.
</p>
<p>
The specifications for these types are based on the ISO/IEC 9899:1999 C Language
standard header &lt;stdint.h&gt;. The 64-bit types required by the C standard
are <span class="emphasis"><em>not required</em></span> in the boost header, and may not be
supplied for all platforms/compilers, because <code class="literal">long long</code>
is not [yet] included in the C++ standard.
</p>
<p>
See <a href="../../../test/cstdint_test.cpp" target="_top">cstdint_test.cpp</a> for
a test program.
</p>
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<p>
The organization of the Boost.Integer headers and classes is designed to
take advantage of &lt;stdint.h&gt; types from the 1999 C standard without
causing undefined behavior in terms of the 1998 C++ standard. The header
&lt;boost/cstdint.hpp&gt; makes the standard integer types safely available
in namespace <code class="literal">boost</code> without placing any names in namespace
<code class="literal">std</code>. The intension is to complement rather than compete
with the C++ Standard Library. Should some future C++ standard include &lt;stdint.h&gt;
and &lt;cstdint&gt;, then &lt;boost/cstdint.hpp&gt; will continue to function,
but will become redundant and may be safely deprecated.
</p>
<p>
Because these are boost headers, their names conform to boost header naming
conventions rather than C++ Standard Library header naming conventions.
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</h3></div></div></div>
<p>
As an implementation artifact, certain C &lt;limits.h&gt; macro names may
possibly be visible to users of &lt;boost/cstdint.hpp&gt;. Don't use these
macros; they are not part of any Boost-specified interface. Use <code class="literal">boost::integer_traits&lt;&gt;</code>
or <code class="literal">std::numeric_limits&lt;&gt;</code> instead.
</p>
<p>
As another implementation artifact, certain C &lt;stdint.h&gt; typedef names
may possibly be visible in the global namespace to users of &lt;boost/cstdint.hpp&gt;.
Don't use these names, they are not part of any Boost-specified interface.
Use the respective names in namespace <code class="literal">boost</code> instead.
</p>
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integer types</a>
</h3></div></div></div>
<p>
The typedef <code class="literal">int#_t</code>, with # replaced by the width, designates
a signed integer type of exactly # bits; for example <code class="literal">int8_t</code>
denotes an 8-bit signed integer type. Similarly, the typedef <code class="literal">uint#_t</code>
designates an unsigned integer type of exactly # bits.
</p>
<p>
These types are optional. However, if a platform supports integer types with
widths of 8, 16, 32, 64, or any combination thereof, then &lt;boost/cstdint.hpp&gt;
does provide the corresponding typedefs.
</p>
<p>
The absence of int64_t and uint64_t is indicated by the macro <code class="computeroutput"><span class="identifier">BOOST_NO_INT64_T</span></code>.
</p>
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integer types</a>
</h3></div></div></div>
<p>
The typedef <code class="literal">int_least#_t</code>, with # replaced by the width,
designates a signed integer type with a width of at least # bits, such that
no signed integer type with lesser size has at least the specified width.
Thus, <code class="literal">int_least32_t</code> denotes the smallest signed integer
type with a width of at least 32 bits. Similarly, the typedef name <code class="literal">uint_least#_t</code>
designates an unsigned integer type with a width of at least # bits, such
that no unsigned integer type with lesser size has at least the specified
width.
</p>
<p>
The following minimum-width integer types are provided for all platforms:
</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<code class="literal">int_least8_t</code>
</li>
<li class="listitem">
<code class="literal">int_least16_t</code>
</li>
<li class="listitem">
<code class="literal">int_least32_t</code>
</li>
<li class="listitem">
<code class="literal">uint_least8_t</code>
</li>
<li class="listitem">
<code class="literal">uint_least16_t</code>
</li>
<li class="listitem">
<code class="literal">uint_least32_t</code>
</li>
</ul></div>
<p>
The following types are available only if, after including &lt;boost/cstdint.hpp&gt;,
the macro BOOST_NO_INT64_T is not defined:
</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<code class="literal">int_least64_t</code>
</li>
<li class="listitem">
<code class="literal">uint_least64_t</code>
</li>
</ul></div>
<p>
All other minimum-width integer types are optional.
</p>
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minimum-width integer types</a>
</h3></div></div></div>
<p>
The typedef <code class="literal">int_fast#_t</code>, with # replaced by the width,
designates the fastest signed integer type with a width of at least # bits.
Similarly, the typedef name <code class="literal">uint_fast#_t</code> designates the
fastest unsigned integer type with a width of at least # bits.
</p>
<p>
There is no guarantee that these types are fastest for all purposes. In any
case, however, they satisfy the signedness and width requirements.
</p>
<p>
The following fastest minimum-width integer types are provided for all platforms:
</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<code class="literal">int_fast8_t</code>
</li>
<li class="listitem">
<code class="literal">int_fast16_t</code>
</li>
<li class="listitem">
<code class="literal">int_fast32_t</code>
</li>
<li class="listitem">
<code class="literal">uint_fast8_t</code>
</li>
<li class="listitem">
<code class="literal">uint_fast16_t</code>
</li>
<li class="listitem">
<code class="literal">uint_fast32_t</code>
</li>
</ul></div>
<p>
The following types are available only if, after including &lt;boost/cstdint.hpp&gt;,
the macro BOOST_NO_INT64_T is not defined:
</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<code class="literal">int_fast64_t</code>
</li>
<li class="listitem">
<code class="literal">uint_fast64_t</code>
</li>
</ul></div>
<p>
All other fastest minimum-width integer types are optional.
</p>
</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="boost_config.cstdint.greatest_width_integer_types"></a><a class="link" href="cstdint.html#boost_config.cstdint.greatest_width_integer_types" title="Greatest-width integer types">Greatest-width
integer types</a>
</h3></div></div></div>
<p>
The typedef <code class="literal">intmax_t </code>designates a signed integer type
capable of representing any value of any signed integer type.
</p>
<p>
The typedef <code class="literal">uintmax_t</code> designates an unsigned integer type
capable of representing any value of any unsigned integer type.
</p>
<p>
These types are provided for all platforms.
</p>
</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="boost_config.cstdint.integer_constant_macros"></a><a class="link" href="cstdint.html#boost_config.cstdint.integer_constant_macros" title="Integer Constant Macros">Integer
Constant Macros</a>
</h3></div></div></div>
<p>
The following macros are always defined after inclusion of this header, these
allow integer constants of at least the specified width to be declared: INT8_C,
UINT8_C, INT16_C, UINT16_C, INT32_C, UINT32_C, INTMAX_C, UINTMAX_C.
</p>
<p>
The macros INT64_C and UINT64_C are also defined if the the macro BOOST_NO_INT64_T
is not defined.
</p>
<p>
The C99 macro __STDC_CONSTANT_MACROS is also defined as an artifact of the
implementation.
</p>
<p>
For example:
</p>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">cstdint</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="comment">// Here the constant 0x1FFFFFFFF has the correct suffix applied:</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">uint64_t</span> <span class="identifier">c</span> <span class="special">=</span> <span class="identifier">INT64_C</span><span class="special">(</span><span class="number">0</span><span class="identifier">x1FFFFFFFF</span><span class="special">);</span>
</pre>
</div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Beman Dawes, Vesa Karvonen, John
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Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<dt><span class="section"><a href="boost_config/boost_macro_reference.html#boost_config.boost_macro_reference.macros_for_libraries_with_separate_source_code">Macros <dt><span class="section"><a href="boost_config/boost_macro_reference.html#boost_config.boost_macro_reference.macros_for_libraries_with_separate_source_code">Macros
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@ -951,7 +967,7 @@
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<td align="left"><p><small>Last revised: May 31, 2014 at 11:09:07 GMT</small></p></td> <td align="left"><p><small>Last revised: June 01, 2014 at 09:50:01 GMT</small></p></td>
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545
include/boost/cstdint.hpp Normal file
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@ -0,0 +1,545 @@
// boost cstdint.hpp header file ------------------------------------------//
// (C) Copyright Beman Dawes 1999.
// (C) Copyright Jens Mauer 2001
// (C) Copyright John Maddock 2001
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/integer for documentation.
// Revision History
// 31 Oct 01 use BOOST_HAS_LONG_LONG to check for "long long" (Jens M.)
// 16 Apr 01 check LONGLONG_MAX when looking for "long long" (Jens Maurer)
// 23 Jan 01 prefer "long" over "int" for int32_t and intmax_t (Jens Maurer)
// 12 Nov 00 Merged <boost/stdint.h> (Jens Maurer)
// 23 Sep 00 Added INTXX_C macro support (John Maddock).
// 22 Sep 00 Better 64-bit support (John Maddock)
// 29 Jun 00 Reimplement to avoid including stdint.h within namespace boost
// 8 Aug 99 Initial version (Beman Dawes)
#ifndef BOOST_CSTDINT_HPP
#define BOOST_CSTDINT_HPP
//
// Since we always define the INT#_C macros as per C++0x,
// define __STDC_CONSTANT_MACROS so that <stdint.h> does the right
// thing if possible, and so that the user knows that the macros
// are actually defined as per C99.
//
#ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS
#endif
#include <boost/config.hpp>
//
// Note that GLIBC is a bit inconsistent about whether int64_t is defined or not
// depending upon what headers happen to have been included first...
// so we disable use of stdint.h when GLIBC does not define __GLIBC_HAVE_LONG_LONG.
// See https://svn.boost.org/trac/boost/ticket/3548 and http://sources.redhat.com/bugzilla/show_bug.cgi?id=10990
//
#if defined(BOOST_HAS_STDINT_H) \
&& (!defined(__GLIBC__) \
|| defined(__GLIBC_HAVE_LONG_LONG) \
|| (defined(__GLIBC__) && ((__GLIBC__ > 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 17)))))
// The following #include is an implementation artifact; not part of interface.
# ifdef __hpux
// HP-UX has a vaguely nice <stdint.h> in a non-standard location
# include <inttypes.h>
# ifdef __STDC_32_MODE__
// this is triggered with GCC, because it defines __cplusplus < 199707L
# define BOOST_NO_INT64_T
# endif
# elif defined(__FreeBSD__) || defined(__IBMCPP__) || defined(_AIX)
# include <inttypes.h>
# else
# include <stdint.h>
// There is a bug in Cygwin two _C macros
# if defined(__STDC_CONSTANT_MACROS) && defined(__CYGWIN__)
# undef INTMAX_C
# undef UINTMAX_C
# define INTMAX_C(c) c##LL
# define UINTMAX_C(c) c##ULL
# endif
# endif
#ifdef __QNX__
// QNX (Dinkumware stdlib) defines these as non-standard names.
// Reflect to the standard names.
typedef ::intleast8_t int_least8_t;
typedef ::intfast8_t int_fast8_t;
typedef ::uintleast8_t uint_least8_t;
typedef ::uintfast8_t uint_fast8_t;
typedef ::intleast16_t int_least16_t;
typedef ::intfast16_t int_fast16_t;
typedef ::uintleast16_t uint_least16_t;
typedef ::uintfast16_t uint_fast16_t;
typedef ::intleast32_t int_least32_t;
typedef ::intfast32_t int_fast32_t;
typedef ::uintleast32_t uint_least32_t;
typedef ::uintfast32_t uint_fast32_t;
# ifndef BOOST_NO_INT64_T
typedef ::intleast64_t int_least64_t;
typedef ::intfast64_t int_fast64_t;
typedef ::uintleast64_t uint_least64_t;
typedef ::uintfast64_t uint_fast64_t;
# endif
#endif
namespace boost
{
using ::int8_t;
using ::int_least8_t;
using ::int_fast8_t;
using ::uint8_t;
using ::uint_least8_t;
using ::uint_fast8_t;
using ::int16_t;
using ::int_least16_t;
using ::int_fast16_t;
using ::uint16_t;
using ::uint_least16_t;
using ::uint_fast16_t;
using ::int32_t;
using ::int_least32_t;
using ::int_fast32_t;
using ::uint32_t;
using ::uint_least32_t;
using ::uint_fast32_t;
# ifndef BOOST_NO_INT64_T
using ::int64_t;
using ::int_least64_t;
using ::int_fast64_t;
using ::uint64_t;
using ::uint_least64_t;
using ::uint_fast64_t;
# endif
using ::intmax_t;
using ::uintmax_t;
} // namespace boost
#elif defined(__FreeBSD__) && (__FreeBSD__ <= 4) || defined(__osf__) || defined(__VMS)
// FreeBSD and Tru64 have an <inttypes.h> that contains much of what we need.
# include <inttypes.h>
namespace boost {
using ::int8_t;
typedef int8_t int_least8_t;
typedef int8_t int_fast8_t;
using ::uint8_t;
typedef uint8_t uint_least8_t;
typedef uint8_t uint_fast8_t;
using ::int16_t;
typedef int16_t int_least16_t;
typedef int16_t int_fast16_t;
using ::uint16_t;
typedef uint16_t uint_least16_t;
typedef uint16_t uint_fast16_t;
using ::int32_t;
typedef int32_t int_least32_t;
typedef int32_t int_fast32_t;
using ::uint32_t;
typedef uint32_t uint_least32_t;
typedef uint32_t uint_fast32_t;
# ifndef BOOST_NO_INT64_T
using ::int64_t;
typedef int64_t int_least64_t;
typedef int64_t int_fast64_t;
using ::uint64_t;
typedef uint64_t uint_least64_t;
typedef uint64_t uint_fast64_t;
typedef int64_t intmax_t;
typedef uint64_t uintmax_t;
# else
typedef int32_t intmax_t;
typedef uint32_t uintmax_t;
# endif
} // namespace boost
#else // BOOST_HAS_STDINT_H
# include <boost/limits.hpp> // implementation artifact; not part of interface
# include <limits.h> // needed for limits macros
namespace boost
{
// These are fairly safe guesses for some 16-bit, and most 32-bit and 64-bit
// platforms. For other systems, they will have to be hand tailored.
//
// Because the fast types are assumed to be the same as the undecorated types,
// it may be possible to hand tailor a more efficient implementation. Such
// an optimization may be illusionary; on the Intel x86-family 386 on, for
// example, byte arithmetic and load/stores are as fast as "int" sized ones.
// 8-bit types ------------------------------------------------------------//
# if UCHAR_MAX == 0xff
typedef signed char int8_t;
typedef signed char int_least8_t;
typedef signed char int_fast8_t;
typedef unsigned char uint8_t;
typedef unsigned char uint_least8_t;
typedef unsigned char uint_fast8_t;
# else
# error defaults not correct; you must hand modify boost/cstdint.hpp
# endif
// 16-bit types -----------------------------------------------------------//
# if USHRT_MAX == 0xffff
# if defined(__crayx1)
// The Cray X1 has a 16-bit short, however it is not recommend
// for use in performance critical code.
typedef short int16_t;
typedef short int_least16_t;
typedef int int_fast16_t;
typedef unsigned short uint16_t;
typedef unsigned short uint_least16_t;
typedef unsigned int uint_fast16_t;
# else
typedef short int16_t;
typedef short int_least16_t;
typedef short int_fast16_t;
typedef unsigned short uint16_t;
typedef unsigned short uint_least16_t;
typedef unsigned short uint_fast16_t;
# endif
# elif (USHRT_MAX == 0xffffffff) && defined(__MTA__)
// On MTA / XMT short is 32 bits unless the -short16 compiler flag is specified
// MTA / XMT does support the following non-standard integer types
typedef __short16 int16_t;
typedef __short16 int_least16_t;
typedef __short16 int_fast16_t;
typedef unsigned __short16 uint16_t;
typedef unsigned __short16 uint_least16_t;
typedef unsigned __short16 uint_fast16_t;
# elif (USHRT_MAX == 0xffffffff) && defined(CRAY)
// no 16-bit types on Cray:
typedef short int_least16_t;
typedef short int_fast16_t;
typedef unsigned short uint_least16_t;
typedef unsigned short uint_fast16_t;
# else
# error defaults not correct; you must hand modify boost/cstdint.hpp
# endif
// 32-bit types -----------------------------------------------------------//
# if UINT_MAX == 0xffffffff
typedef int int32_t;
typedef int int_least32_t;
typedef int int_fast32_t;
typedef unsigned int uint32_t;
typedef unsigned int uint_least32_t;
typedef unsigned int uint_fast32_t;
# elif (USHRT_MAX == 0xffffffff)
typedef short int32_t;
typedef short int_least32_t;
typedef short int_fast32_t;
typedef unsigned short uint32_t;
typedef unsigned short uint_least32_t;
typedef unsigned short uint_fast32_t;
# elif ULONG_MAX == 0xffffffff
typedef long int32_t;
typedef long int_least32_t;
typedef long int_fast32_t;
typedef unsigned long uint32_t;
typedef unsigned long uint_least32_t;
typedef unsigned long uint_fast32_t;
# elif (UINT_MAX == 0xffffffffffffffff) && defined(__MTA__)
// Integers are 64 bits on the MTA / XMT
typedef __int32 int32_t;
typedef __int32 int_least32_t;
typedef __int32 int_fast32_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int32 uint_least32_t;
typedef unsigned __int32 uint_fast32_t;
# else
# error defaults not correct; you must hand modify boost/cstdint.hpp
# endif
// 64-bit types + intmax_t and uintmax_t ----------------------------------//
# if defined(BOOST_HAS_LONG_LONG) && \
!defined(BOOST_MSVC) && !defined(__BORLANDC__) && \
(!defined(__GLIBCPP__) || defined(_GLIBCPP_USE_LONG_LONG)) && \
(defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX))
# if defined(__hpux)
// HP-UX's value of ULONG_LONG_MAX is unusable in preprocessor expressions
# elif (defined(ULLONG_MAX) && ULLONG_MAX == 18446744073709551615ULL) || (defined(ULONG_LONG_MAX) && ULONG_LONG_MAX == 18446744073709551615ULL) || (defined(ULONGLONG_MAX) && ULONGLONG_MAX == 18446744073709551615ULL)
// 2**64 - 1
# else
# error defaults not correct; you must hand modify boost/cstdint.hpp
# endif
typedef ::boost::long_long_type intmax_t;
typedef ::boost::ulong_long_type uintmax_t;
typedef ::boost::long_long_type int64_t;
typedef ::boost::long_long_type int_least64_t;
typedef ::boost::long_long_type int_fast64_t;
typedef ::boost::ulong_long_type uint64_t;
typedef ::boost::ulong_long_type uint_least64_t;
typedef ::boost::ulong_long_type uint_fast64_t;
# elif ULONG_MAX != 0xffffffff
# if ULONG_MAX == 18446744073709551615 // 2**64 - 1
typedef long intmax_t;
typedef unsigned long uintmax_t;
typedef long int64_t;
typedef long int_least64_t;
typedef long int_fast64_t;
typedef unsigned long uint64_t;
typedef unsigned long uint_least64_t;
typedef unsigned long uint_fast64_t;
# else
# error defaults not correct; you must hand modify boost/cstdint.hpp
# endif
# elif defined(__GNUC__) && defined(BOOST_HAS_LONG_LONG)
__extension__ typedef long long intmax_t;
__extension__ typedef unsigned long long uintmax_t;
__extension__ typedef long long int64_t;
__extension__ typedef long long int_least64_t;
__extension__ typedef long long int_fast64_t;
__extension__ typedef unsigned long long uint64_t;
__extension__ typedef unsigned long long uint_least64_t;
__extension__ typedef unsigned long long uint_fast64_t;
# elif defined(BOOST_HAS_MS_INT64)
//
// we have Borland/Intel/Microsoft __int64:
//
typedef __int64 intmax_t;
typedef unsigned __int64 uintmax_t;
typedef __int64 int64_t;
typedef __int64 int_least64_t;
typedef __int64 int_fast64_t;
typedef unsigned __int64 uint64_t;
typedef unsigned __int64 uint_least64_t;
typedef unsigned __int64 uint_fast64_t;
# else // assume no 64-bit integers
# define BOOST_NO_INT64_T
typedef int32_t intmax_t;
typedef uint32_t uintmax_t;
# endif
} // namespace boost
#endif // BOOST_HAS_STDINT_H
// intptr_t/uintptr_t are defined separately because they are optional and not universally available
#if defined(BOOST_WINDOWS) && !defined(_WIN32_WCE) && !defined(BOOST_HAS_STDINT_H)
// Older MSVC don't have stdint.h and have intptr_t/uintptr_t defined in stddef.h
#include <stddef.h>
#endif
// PGI seems to not support intptr_t/uintptr_t properly. BOOST_HAS_STDINT_H is not defined for this compiler by Boost.Config.
#if !defined(__PGIC__)
#if (defined(BOOST_WINDOWS) && !defined(_WIN32_WCE)) \
|| (defined(_XOPEN_UNIX) && (_XOPEN_UNIX+0 > 0) && !defined(__UCLIBC__)) \
|| defined(__CYGWIN__) \
|| defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__) \
|| defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
namespace boost {
using ::intptr_t;
using ::uintptr_t;
}
#define BOOST_HAS_INTPTR_T
// Clang pretends to be GCC, so it'll match this condition
#elif defined(__GNUC__) && defined(__INTPTR_TYPE__) && defined(__UINTPTR_TYPE__)
namespace boost {
typedef __INTPTR_TYPE__ intptr_t;
typedef __UINTPTR_TYPE__ uintptr_t;
}
#define BOOST_HAS_INTPTR_T
#endif
#endif // !defined(__PGIC__)
#endif // BOOST_CSTDINT_HPP
/****************************************************
Macro definition section:
Added 23rd September 2000 (John Maddock).
Modified 11th September 2001 to be excluded when
BOOST_HAS_STDINT_H is defined (John Maddock).
Modified 11th Dec 2009 to always define the
INT#_C macros if they're not already defined (John Maddock).
******************************************************/
#if !defined(BOOST__STDC_CONSTANT_MACROS_DEFINED) && \
(!defined(INT8_C) || !defined(INT16_C) || !defined(INT32_C) || !defined(INT64_C))
//
// For the following code we get several warnings along the lines of:
//
// boost/cstdint.hpp:428:35: error: use of C99 long long integer constant
//
// So we declare this a system header to suppress these warnings.
//
#if defined(__GNUC__) && (__GNUC__ >= 4)
#pragma GCC system_header
#endif
#include <limits.h>
# define BOOST__STDC_CONSTANT_MACROS_DEFINED
# if defined(BOOST_HAS_MS_INT64)
//
// Borland/Intel/Microsoft compilers have width specific suffixes:
//
#ifndef INT8_C
# define INT8_C(value) value##i8
#endif
#ifndef INT16_C
# define INT16_C(value) value##i16
#endif
#ifndef INT32_C
# define INT32_C(value) value##i32
#endif
#ifndef INT64_C
# define INT64_C(value) value##i64
#endif
# ifdef __BORLANDC__
// Borland bug: appending ui8 makes the type a signed char
# define UINT8_C(value) static_cast<unsigned char>(value##u)
# else
# define UINT8_C(value) value##ui8
# endif
#ifndef UINT16_C
# define UINT16_C(value) value##ui16
#endif
#ifndef UINT32_C
# define UINT32_C(value) value##ui32
#endif
#ifndef UINT64_C
# define UINT64_C(value) value##ui64
#endif
#ifndef INTMAX_C
# define INTMAX_C(value) value##i64
# define UINTMAX_C(value) value##ui64
#endif
# else
// do it the old fashioned way:
// 8-bit types ------------------------------------------------------------//
# if (UCHAR_MAX == 0xff) && !defined(INT8_C)
# define INT8_C(value) static_cast<boost::int8_t>(value)
# define UINT8_C(value) static_cast<boost::uint8_t>(value##u)
# endif
// 16-bit types -----------------------------------------------------------//
# if (USHRT_MAX == 0xffff) && !defined(INT16_C)
# define INT16_C(value) static_cast<boost::int16_t>(value)
# define UINT16_C(value) static_cast<boost::uint16_t>(value##u)
# endif
// 32-bit types -----------------------------------------------------------//
#ifndef INT32_C
# if (UINT_MAX == 0xffffffff)
# define INT32_C(value) value
# define UINT32_C(value) value##u
# elif ULONG_MAX == 0xffffffff
# define INT32_C(value) value##L
# define UINT32_C(value) value##uL
# endif
#endif
// 64-bit types + intmax_t and uintmax_t ----------------------------------//
#ifndef INT64_C
# if defined(BOOST_HAS_LONG_LONG) && \
(defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX) || defined(_LLONG_MAX))
# if defined(__hpux)
// HP-UX's value of ULONG_LONG_MAX is unusable in preprocessor expressions
# define INT64_C(value) value##LL
# define UINT64_C(value) value##uLL
# elif (defined(ULLONG_MAX) && ULLONG_MAX == 18446744073709551615ULL) || \
(defined(ULONG_LONG_MAX) && ULONG_LONG_MAX == 18446744073709551615ULL) || \
(defined(ULONGLONG_MAX) && ULONGLONG_MAX == 18446744073709551615ULL) || \
(defined(_LLONG_MAX) && _LLONG_MAX == 18446744073709551615ULL)
# define INT64_C(value) value##LL
# define UINT64_C(value) value##uLL
# else
# error defaults not correct; you must hand modify boost/cstdint.hpp
# endif
# elif ULONG_MAX != 0xffffffff
# if ULONG_MAX == 18446744073709551615U // 2**64 - 1
# define INT64_C(value) value##L
# define UINT64_C(value) value##uL
# else
# error defaults not correct; you must hand modify boost/cstdint.hpp
# endif
# elif defined(BOOST_HAS_LONG_LONG)
// Usual macros not defined, work things out for ourselves:
# if(~0uLL == 18446744073709551615ULL)
# define INT64_C(value) value##LL
# define UINT64_C(value) value##uLL
# else
# error defaults not correct; you must hand modify boost/cstdint.hpp
# endif
# else
# error defaults not correct; you must hand modify boost/cstdint.hpp
# endif
# ifdef BOOST_NO_INT64_T
# define INTMAX_C(value) INT32_C(value)
# define UINTMAX_C(value) UINT32_C(value)
# else
# define INTMAX_C(value) INT64_C(value)
# define UINTMAX_C(value) UINT64_C(value)
# endif
#endif
# endif // Borland/Microsoft specific width suffixes
#endif // INT#_C macros.

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@ -66,6 +66,9 @@ test-suite config
[ compile-fail threads/test_thread_fail1.cpp ] [ compile-fail threads/test_thread_fail1.cpp ]
[ compile-fail threads/test_thread_fail2.cpp ] [ compile-fail threads/test_thread_fail2.cpp ]
[ compile boost_fallthrough_test.cpp : [ check-target-builds has_clang_implicit_fallthrough "Clang implicit fallthrough" : <toolset>clang:<cxxflags>"-std=c++11 -Wimplicit-fallthrough" <warnings-as-errors>on <warnings>all ] ] [ compile boost_fallthrough_test.cpp : [ check-target-builds has_clang_implicit_fallthrough "Clang implicit fallthrough" : <toolset>clang:<cxxflags>"-std=c++11 -Wimplicit-fallthrough" <warnings-as-errors>on <warnings>all ] ]
[ run cstdint_test.cpp : : : <warnings>all <toolset>gcc:<cxxflags>"-Wno-long-long -Wextra" <toolset>darwin:<cxxflags>-Wno-long-long ]
[ run cstdint_test2.cpp : : : <warnings>all <toolset>gcc:<cxxflags>"-Wno-long-long -Wextra" <toolset>darwin:<cxxflags>-Wno-long-long ]
[ compile cstdint_include_test.cpp : <warnings>all <toolset>gcc:<cxxflags>-Wextra ]
; ;
obj has_clang_implicit_fallthrough : cmd_line_check.cpp : obj has_clang_implicit_fallthrough : cmd_line_check.cpp :

View File

@ -18,6 +18,7 @@ void f()
{ {
// this is never called, it just has to compile: // this is never called, it just has to compile:
int res = pthread_yield(); int res = pthread_yield();
(void)res;
} }
int test() int test()

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@ -22,7 +22,7 @@ struct G
int test() int test()
{ {
G m; G m;
const G c; const G c = G();
if (m.get() != 'l') return 1; if (m.get() != 'l') return 1;
if (c.get() != 'c') return 1; if (c.get() != 'c') return 1;

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@ -18,7 +18,7 @@ namespace boost_no_cxx11_lambdas {
int test() int test()
{ {
[](){}; (void)[](){};
return 0; return 0;
} }

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@ -53,6 +53,8 @@ int test_allocator(const T& i)
// and isn't currently required by anything in boost // and isn't currently required by anything in boost
// so don't test for now... // so don't test for now...
// a3 = a2; // a3 = a2;
(void)a2;
return 0; return 0;
} }

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@ -23,6 +23,8 @@ struct AltStruct
{ {
public: public:
AltStruct(int x, double y) : x_{x}, y_{y} {} AltStruct(int x, double y) : x_{x}, y_{y} {}
int X() const { return x_; }
double Y() const { return y_; }
private: private:
int x_; int x_;
double y_; double y_;

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@ -0,0 +1,69 @@
// Copyright John Maddock 2009.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#define __STDC_CONSTANT_MACROS
#include <boost/cstdint.hpp> // must be the only #include!
int main()
{
boost::int8_t i8 = INT8_C(0);
(void)i8;
boost::uint8_t ui8 = UINT8_C(0);
(void)ui8;
boost::int16_t i16 = INT16_C(0);
(void)i16;
boost::uint16_t ui16 = UINT16_C(0);
(void)ui16;
boost::int32_t i32 = INT32_C(0);
(void)i32;
boost::uint32_t ui32 = UINT32_C(0);
(void)ui32;
#ifndef BOOST_NO_INT64_T
boost::int64_t i64 = 0;
(void)i64;
boost::uint64_t ui64 = 0;
(void)ui64;
#endif
boost::int_least8_t i8least = INT8_C(0);
(void)i8least;
boost::uint_least8_t ui8least = UINT8_C(0);
(void)ui8least;
boost::int_least16_t i16least = INT16_C(0);
(void)i16least;
boost::uint_least16_t ui16least = UINT16_C(0);
(void)ui16least;
boost::int_least32_t i32least = INT32_C(0);
(void)i32least;
boost::uint_least32_t ui32least = UINT32_C(0);
(void)ui32least;
#ifndef BOOST_NO_INT64_T
boost::int_least64_t i64least = 0;
(void)i64least;
boost::uint_least64_t ui64least = 0;
(void)ui64least;
#endif
boost::int_fast8_t i8fast = INT8_C(0);
(void)i8fast;
boost::uint_fast8_t ui8fast = UINT8_C(0);
(void)ui8fast;
boost::int_fast16_t i16fast = INT16_C(0);
(void)i16fast;
boost::uint_fast16_t ui16fast = UINT16_C(0);
(void)ui16fast;
boost::int_fast32_t i32fast = INT32_C(0);
(void)i32fast;
boost::uint_fast32_t ui32fast = UINT32_C(0);
(void)ui32fast;
#ifndef BOOST_NO_INT64_T
boost::int_fast64_t i64fast = 0;
(void)i64fast;
boost::uint_fast64_t ui64fast = 0;
(void)ui64fast;
#endif
boost::intmax_t im = 0;
(void)im;
boost::uintmax_t uim = 0;
(void)uim;
}

238
test/cstdint_test.cpp Normal file
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@ -0,0 +1,238 @@
// boost cstdint.hpp test program ------------------------------------------//
// Copyright Beman Dawes 2000. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/integer for documentation.
// Revision History
// 11 Sep 01 Adapted to work with macros defined in native stdint.h (John Maddock)
// 12 Nov 00 Adapted to merged <boost/cstdint.hpp>
// 23 Sep 00 Added INTXX_C constant macro support + int64_t support (John Maddock).
// 28 Jun 00 Initial version
//
// There are two ways to test this: in version 1, we include cstdint.hpp as the first
// include, which means we get decide whether __STDC_CONSTANT_MACROS is defined.
// In version two we include stdint.h with __STDC_CONSTANT_MACROS *NOT* defined first,
// and check that we still end up with compatible definitions for the INT#_C macros.
//
// This is version 1.
//
#if defined(__GNUC__) && (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4))
// We can't suppress this warning on the command line as not all GCC versions support -Wno-type-limits :
#pragma GCC diagnostic ignored "-Wtype-limits"
#endif
#include <boost/cstdint.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <iostream>
#ifndef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
//
// the following class is designed to verify
// that the various INTXX_C macros can be used
// in integral constant expressions:
//
struct integral_constant_checker
{
static const boost::int8_t int8 = INT8_C(-127);
static const boost::int_least8_t int_least8 = INT8_C(-127);
static const boost::int_fast8_t int_fast8 = INT8_C(-127);
static const boost::uint8_t uint8 = UINT8_C(255);
static const boost::uint_least8_t uint_least8 = UINT8_C(255);
static const boost::uint_fast8_t uint_fast8 = UINT8_C(255);
static const boost::int16_t int16 = INT16_C(-32767);
static const boost::int_least16_t int_least16 = INT16_C(-32767);
static const boost::int_fast16_t int_fast16 = INT16_C(-32767);
static const boost::uint16_t uint16 = UINT16_C(65535);
static const boost::uint_least16_t uint_least16 = UINT16_C(65535);
static const boost::uint_fast16_t uint_fast16 = UINT16_C(65535);
static const boost::int32_t int32 = INT32_C(-2147483647);
static const boost::int_least32_t int_least32 = INT32_C(-2147483647);
static const boost::int_fast32_t int_fast32 = INT32_C(-2147483647);
static const boost::uint32_t uint32 = UINT32_C(4294967295);
static const boost::uint_least32_t uint_least32 = UINT32_C(4294967295);
static const boost::uint_fast32_t uint_fast32 = UINT32_C(4294967295);
static void check();
};
void integral_constant_checker::check()
{
BOOST_TEST( int8 == -127 );
BOOST_TEST( int_least8 == -127 );
BOOST_TEST( int_fast8 == -127 );
BOOST_TEST( uint8 == 255u );
BOOST_TEST( uint_least8 == 255u );
BOOST_TEST( uint_fast8 == 255u );
BOOST_TEST( int16 == -32767 );
BOOST_TEST( int_least16 == -32767 );
BOOST_TEST( int_fast16 == -32767 );
BOOST_TEST( uint16 == 65535u );
BOOST_TEST( uint_least16 == 65535u );
BOOST_TEST( uint_fast16 == 65535u );
BOOST_TEST( int32 == -2147483647 );
BOOST_TEST( int_least32 == -2147483647 );
BOOST_TEST( int_fast32 == -2147483647 );
BOOST_TEST( uint32 == 4294967295u );
BOOST_TEST( uint_least32 == 4294967295u );
BOOST_TEST( uint_fast32 == 4294967295u );
}
#endif // BOOST_NO_INCLASS_MEMBER_INITIALIZATION
//
// the following function simply verifies that the type
// of an integral constant is correctly defined:
//
#ifdef __BORLANDC__
#pragma option -w-8008
#pragma option -w-8066
#endif
template <class T1, class T2>
void integral_constant_type_check(T1, T2)
{
//
// the types T1 and T2 may not be exactly
// the same type, but they should be the
// same size and signedness. We could use
// numeric_limits to verify this, but
// numeric_limits implementations currently
// vary too much, or are incomplete or missing.
//
T1 t1 = static_cast<T1>(-1); // cast suppresses warnings
T2 t2 = static_cast<T2>(-1); // ditto
#if defined(BOOST_HAS_STDINT_H)
// if we have a native stdint.h
// then the INTXX_C macros may define
// a type that's wider than required:
BOOST_TEST(sizeof(T1) <= sizeof(T2));
#else
BOOST_TEST(sizeof(T1) == sizeof(T2));
BOOST_TEST(t1 == t2);
#endif
#if defined(BOOST_HAS_STDINT_H)
// native headers are permitted to promote small
// unsigned types to type int:
if(sizeof(T1) >= sizeof(int))
{
if(t1 > 0)
BOOST_TEST(t2 > 0);
else
BOOST_TEST(!(t2 > 0));
}
else if(t1 < 0)
BOOST_TEST(!(t2 > 0));
#else
if(t1 > 0)
BOOST_TEST(t2 > 0);
else
BOOST_TEST(!(t2 > 0));
#endif
}
int main(int, char*[])
{
#ifndef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
integral_constant_checker::check();
#endif
//
// verify the types of the integral constants:
//
integral_constant_type_check(boost::int8_t(0), INT8_C(0));
integral_constant_type_check(boost::uint8_t(0), UINT8_C(0));
integral_constant_type_check(boost::int16_t(0), INT16_C(0));
integral_constant_type_check(boost::uint16_t(0), UINT16_C(0));
integral_constant_type_check(boost::int32_t(0), INT32_C(0));
integral_constant_type_check(boost::uint32_t(0), UINT32_C(0));
#ifndef BOOST_NO_INT64_T
integral_constant_type_check(boost::int64_t(0), INT64_C(0));
integral_constant_type_check(boost::uint64_t(0), UINT64_C(0));
#endif
//
boost::int8_t int8 = INT8_C(-127);
boost::int_least8_t int_least8 = INT8_C(-127);
boost::int_fast8_t int_fast8 = INT8_C(-127);
boost::uint8_t uint8 = UINT8_C(255);
boost::uint_least8_t uint_least8 = UINT8_C(255);
boost::uint_fast8_t uint_fast8 = UINT8_C(255);
boost::int16_t int16 = INT16_C(-32767);
boost::int_least16_t int_least16 = INT16_C(-32767);
boost::int_fast16_t int_fast16 = INT16_C(-32767);
boost::uint16_t uint16 = UINT16_C(65535);
boost::uint_least16_t uint_least16 = UINT16_C(65535);
boost::uint_fast16_t uint_fast16 = UINT16_C(65535);
boost::int32_t int32 = INT32_C(-2147483647);
boost::int_least32_t int_least32 = INT32_C(-2147483647);
boost::int_fast32_t int_fast32 = INT32_C(-2147483647);
boost::uint32_t uint32 = UINT32_C(4294967295);
boost::uint_least32_t uint_least32 = UINT32_C(4294967295);
boost::uint_fast32_t uint_fast32 = UINT32_C(4294967295);
#ifndef BOOST_NO_INT64_T
boost::int64_t int64 = INT64_C(-9223372036854775807);
boost::int_least64_t int_least64 = INT64_C(-9223372036854775807);
boost::int_fast64_t int_fast64 = INT64_C(-9223372036854775807);
boost::uint64_t uint64 = UINT64_C(18446744073709551615);
boost::uint_least64_t uint_least64 = UINT64_C(18446744073709551615);
boost::uint_fast64_t uint_fast64 = UINT64_C(18446744073709551615);
boost::intmax_t intmax = INTMAX_C(-9223372036854775807);
boost::uintmax_t uintmax = UINTMAX_C(18446744073709551615);
#else
boost::intmax_t intmax = INTMAX_C(-2147483647);
boost::uintmax_t uintmax = UINTMAX_C(4294967295);
#endif
BOOST_TEST( int8 == -127 );
BOOST_TEST( int_least8 == -127 );
BOOST_TEST( int_fast8 == -127 );
BOOST_TEST( uint8 == 255u );
BOOST_TEST( uint_least8 == 255u );
BOOST_TEST( uint_fast8 == 255u );
BOOST_TEST( int16 == -32767 );
BOOST_TEST( int_least16 == -32767 );
BOOST_TEST( int_fast16 == -32767 );
BOOST_TEST( uint16 == 65535u );
BOOST_TEST( uint_least16 == 65535u );
BOOST_TEST( uint_fast16 == 65535u );
BOOST_TEST( int32 == -2147483647 );
BOOST_TEST( int_least32 == -2147483647 );
BOOST_TEST( int_fast32 == -2147483647 );
BOOST_TEST( uint32 == 4294967295u );
BOOST_TEST( uint_least32 == 4294967295u );
BOOST_TEST( uint_fast32 == 4294967295u );
#ifndef BOOST_NO_INT64_T
BOOST_TEST( int64 == INT64_C(-9223372036854775807) );
BOOST_TEST( int_least64 == INT64_C(-9223372036854775807) );
BOOST_TEST( int_fast64 == INT64_C(-9223372036854775807) );
BOOST_TEST( uint64 == UINT64_C(18446744073709551615) );
BOOST_TEST( uint_least64 == UINT64_C(18446744073709551615) );
BOOST_TEST( uint_fast64 == UINT64_C(18446744073709551615) );
BOOST_TEST( intmax == INT64_C(-9223372036854775807) );
BOOST_TEST( uintmax == UINT64_C(18446744073709551615) );
#else
BOOST_TEST( intmax == -2147483647 );
BOOST_TEST( uintmax == 4294967295u );
#endif
std::cout << "OK\n";
return boost::report_errors();
}

248
test/cstdint_test2.cpp Normal file
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@ -0,0 +1,248 @@
// boost cstdint.hpp test program ------------------------------------------//
// Copyright Beman Dawes 2000. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/integer for documentation.
// Revision History
// 11 Sep 01 Adapted to work with macros defined in native stdint.h (John Maddock)
// 12 Nov 00 Adapted to merged <boost/cstdint.hpp>
// 23 Sep 00 Added INTXX_C constant macro support + int64_t support (John Maddock).
// 28 Jun 00 Initial version
//
// There are two ways to test this: in version 1, we include cstdint.hpp as the first
// include, which means we get decide whether __STDC_CONSTANT_MACROS is defined.
// In version two we include stdint.h with __STDC_CONSTANT_MACROS *NOT* defined first,
// and check that we still end up with compatible definitions for the INT#_C macros.
//
// This is version 2.
//
#if defined(__GNUC__) && (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4))
// We can't suppress this warning on the command line as not all GCC versions support -Wno-type-limits :
#pragma GCC diagnostic ignored "-Wtype-limits"
#endif
#include <boost/config.hpp>
#ifdef BOOST_HAS_STDINT_H
#ifdef __hpux
# include <inttypes.h>
#else
# include <stdint.h>
#endif
#endif
#include <boost/cstdint.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <iostream>
#ifndef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
//
// the following class is designed to verify
// that the various INTXX_C macros can be used
// in integral constant expressions:
//
struct integral_constant_checker
{
static const boost::int8_t int8 = INT8_C(-127);
static const boost::int_least8_t int_least8 = INT8_C(-127);
static const boost::int_fast8_t int_fast8 = INT8_C(-127);
static const boost::uint8_t uint8 = UINT8_C(255);
static const boost::uint_least8_t uint_least8 = UINT8_C(255);
static const boost::uint_fast8_t uint_fast8 = UINT8_C(255);
static const boost::int16_t int16 = INT16_C(-32767);
static const boost::int_least16_t int_least16 = INT16_C(-32767);
static const boost::int_fast16_t int_fast16 = INT16_C(-32767);
static const boost::uint16_t uint16 = UINT16_C(65535);
static const boost::uint_least16_t uint_least16 = UINT16_C(65535);
static const boost::uint_fast16_t uint_fast16 = UINT16_C(65535);
static const boost::int32_t int32 = INT32_C(-2147483647);
static const boost::int_least32_t int_least32 = INT32_C(-2147483647);
static const boost::int_fast32_t int_fast32 = INT32_C(-2147483647);
static const boost::uint32_t uint32 = UINT32_C(4294967295);
static const boost::uint_least32_t uint_least32 = UINT32_C(4294967295);
static const boost::uint_fast32_t uint_fast32 = UINT32_C(4294967295);
static void check();
};
void integral_constant_checker::check()
{
BOOST_TEST( int8 == -127 );
BOOST_TEST( int_least8 == -127 );
BOOST_TEST( int_fast8 == -127 );
BOOST_TEST( uint8 == 255u );
BOOST_TEST( uint_least8 == 255u );
BOOST_TEST( uint_fast8 == 255u );
BOOST_TEST( int16 == -32767 );
BOOST_TEST( int_least16 == -32767 );
BOOST_TEST( int_fast16 == -32767 );
BOOST_TEST( uint16 == 65535u );
BOOST_TEST( uint_least16 == 65535u );
BOOST_TEST( uint_fast16 == 65535u );
BOOST_TEST( int32 == -2147483647 );
BOOST_TEST( int_least32 == -2147483647 );
BOOST_TEST( int_fast32 == -2147483647 );
BOOST_TEST( uint32 == 4294967295u );
BOOST_TEST( uint_least32 == 4294967295u );
BOOST_TEST( uint_fast32 == 4294967295u );
}
#endif // BOOST_NO_INCLASS_MEMBER_INITIALIZATION
//
// the following function simply verifies that the type
// of an integral constant is correctly defined:
//
#ifdef __BORLANDC__
#pragma option -w-8008
#pragma option -w-8066
#endif
template <class T1, class T2>
void integral_constant_type_check(T1, T2)
{
//
// the types T1 and T2 may not be exactly
// the same type, but they should be the
// same size and signedness. We could use
// numeric_limits to verify this, but
// numeric_limits implementations currently
// vary too much, or are incomplete or missing.
//
T1 t1 = static_cast<T1>(-1); // cast suppresses warnings
T2 t2 = static_cast<T2>(-1); // ditto
#if defined(BOOST_HAS_STDINT_H)
// if we have a native stdint.h
// then the INTXX_C macros may define
// a type that's wider than required:
BOOST_TEST(sizeof(T1) <= sizeof(T2));
#else
BOOST_TEST(sizeof(T1) == sizeof(T2));
BOOST_TEST(t1 == t2);
#endif
#if defined(BOOST_HAS_STDINT_H)
// native headers are permitted to promote small
// unsigned types to type int:
if(sizeof(T1) >= sizeof(int))
{
if(t1 > 0)
BOOST_TEST(t2 > 0);
else
BOOST_TEST(!(t2 > 0));
}
else if(t1 < 0)
BOOST_TEST(!(t2 > 0));
#else
if(t1 > 0)
BOOST_TEST(t2 > 0);
else
BOOST_TEST(!(t2 > 0));
#endif
}
int main(int, char*[])
{
#ifndef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
integral_constant_checker::check();
#endif
//
// verify the types of the integral constants:
//
integral_constant_type_check(boost::int8_t(0), INT8_C(0));
integral_constant_type_check(boost::uint8_t(0), UINT8_C(0));
integral_constant_type_check(boost::int16_t(0), INT16_C(0));
integral_constant_type_check(boost::uint16_t(0), UINT16_C(0));
integral_constant_type_check(boost::int32_t(0), INT32_C(0));
integral_constant_type_check(boost::uint32_t(0), UINT32_C(0));
#ifndef BOOST_NO_INT64_T
integral_constant_type_check(boost::int64_t(0), INT64_C(0));
integral_constant_type_check(boost::uint64_t(0), UINT64_C(0));
#endif
//
boost::int8_t int8 = INT8_C(-127);
boost::int_least8_t int_least8 = INT8_C(-127);
boost::int_fast8_t int_fast8 = INT8_C(-127);
boost::uint8_t uint8 = UINT8_C(255);
boost::uint_least8_t uint_least8 = UINT8_C(255);
boost::uint_fast8_t uint_fast8 = UINT8_C(255);
boost::int16_t int16 = INT16_C(-32767);
boost::int_least16_t int_least16 = INT16_C(-32767);
boost::int_fast16_t int_fast16 = INT16_C(-32767);
boost::uint16_t uint16 = UINT16_C(65535);
boost::uint_least16_t uint_least16 = UINT16_C(65535);
boost::uint_fast16_t uint_fast16 = UINT16_C(65535);
boost::int32_t int32 = INT32_C(-2147483647);
boost::int_least32_t int_least32 = INT32_C(-2147483647);
boost::int_fast32_t int_fast32 = INT32_C(-2147483647);
boost::uint32_t uint32 = UINT32_C(4294967295);
boost::uint_least32_t uint_least32 = UINT32_C(4294967295);
boost::uint_fast32_t uint_fast32 = UINT32_C(4294967295);
#ifndef BOOST_NO_INT64_T
boost::int64_t int64 = INT64_C(-9223372036854775807);
boost::int_least64_t int_least64 = INT64_C(-9223372036854775807);
boost::int_fast64_t int_fast64 = INT64_C(-9223372036854775807);
boost::uint64_t uint64 = UINT64_C(18446744073709551615);
boost::uint_least64_t uint_least64 = UINT64_C(18446744073709551615);
boost::uint_fast64_t uint_fast64 = UINT64_C(18446744073709551615);
boost::intmax_t intmax = INTMAX_C(-9223372036854775807);
boost::uintmax_t uintmax = UINTMAX_C(18446744073709551615);
#else
boost::intmax_t intmax = INTMAX_C(-2147483647);
boost::uintmax_t uintmax = UINTMAX_C(4294967295);
#endif
BOOST_TEST( int8 == -127 );
BOOST_TEST( int_least8 == -127 );
BOOST_TEST( int_fast8 == -127 );
BOOST_TEST( uint8 == 255u );
BOOST_TEST( uint_least8 == 255u );
BOOST_TEST( uint_fast8 == 255u );
BOOST_TEST( int16 == -32767 );
BOOST_TEST( int_least16 == -32767 );
BOOST_TEST( int_fast16 == -32767 );
BOOST_TEST( uint16 == 65535u );
BOOST_TEST( uint_least16 == 65535u );
BOOST_TEST( uint_fast16 == 65535u );
BOOST_TEST( int32 == -2147483647 );
BOOST_TEST( int_least32 == -2147483647 );
BOOST_TEST( int_fast32 == -2147483647 );
BOOST_TEST( uint32 == 4294967295u );
BOOST_TEST( uint_least32 == 4294967295u );
BOOST_TEST( uint_fast32 == 4294967295u );
#ifndef BOOST_NO_INT64_T
BOOST_TEST( int64 == INT64_C(-9223372036854775807) );
BOOST_TEST( int_least64 == INT64_C(-9223372036854775807) );
BOOST_TEST( int_fast64 == INT64_C(-9223372036854775807) );
BOOST_TEST( uint64 == UINT64_C(18446744073709551615) );
BOOST_TEST( uint_least64 == UINT64_C(18446744073709551615) );
BOOST_TEST( uint_fast64 == UINT64_C(18446744073709551615) );
BOOST_TEST( intmax == INT64_C(-9223372036854775807) );
BOOST_TEST( uintmax == UINT64_C(18446744073709551615) );
#else
BOOST_TEST( intmax == -2147483647 );
BOOST_TEST( uintmax == 4294967295u );
#endif
std::cout << "OK\n";
return boost::report_errors();
}