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1 // boost/cstdlib.hpp header ------------------------------------------------//
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2
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3 // Copyright Beman Dawes 2001. Distributed under the Boost
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4 // Software License, Version 1.0. (See accompanying file
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5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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6
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7 // See http://www.boost.org/libs/utility/cstdlib.html for documentation.
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8
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9 // Revision History
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10 // 26 Feb 01 Initial version (Beman Dawes)
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11
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12 #ifndef BOOST_CSTDLIB_HPP
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13 #define BOOST_CSTDLIB_HPP
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14
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15 #include <cstdlib>
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16
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17 namespace boost
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18 {
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19 // The intent is to propose the following for addition to namespace std
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20 // in the C++ Standard Library, and to then deprecate EXIT_SUCCESS and
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21 // EXIT_FAILURE. As an implementation detail, this header defines the
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22 // new constants in terms of EXIT_SUCCESS and EXIT_FAILURE. In a new
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23 // standard, the constants would be implementation-defined, although it
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24 // might be worthwhile to "suggest" (which a standard is allowed to do)
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25 // values of 0 and 1 respectively.
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26
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27 // Rationale for having multiple failure values: some environments may
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28 // wish to distinguish between different classes of errors.
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29 // Rationale for choice of values: programs often use values < 100 for
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30 // their own error reporting. Values > 255 are sometimes reserved for
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31 // system detected errors. 200/201 were suggested to minimize conflict.
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32
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33 const int exit_success = EXIT_SUCCESS; // implementation-defined value
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34 const int exit_failure = EXIT_FAILURE; // implementation-defined value
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35 const int exit_exception_failure = 200; // otherwise uncaught exception
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36 const int exit_test_failure = 201; // report_error or
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37 // report_critical_error called.
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38 }
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39
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40 #endif
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41
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