/usr/include/ola/base/Array.h is in libola-dev 0.10.3.nojsmin-2+deb9u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | /*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Array.h
* A macro for determining array size.
*/
/**
* @file Array.h
* @brief Helper macros / methods for static arrays.
*/
#ifndef INCLUDE_OLA_BASE_ARRAY_H_
#define INCLUDE_OLA_BASE_ARRAY_H_
#include <stdint.h>
namespace ola {
/**
* @brief A helper to determine the size of a statically allocated array.
* @private
* @tparam T is the type of your object.
* @tparam N is the size of your type T.
*
* @note
* Please see
* http://src.chromium.org/svn/trunk/src/third_party/cld/base/macros.h
* for all the gory details
*/
template <typename T, size_t N>
char (&ArraySizeHelper(T (&array)[N]))[N];
/**
* @brief Part of a helper to determine the size of a statically allocated
* const array
* @private
*
* @tparam T is your class or variable
* @tparam N is the size of your type T
*/
template <typename T, size_t N>
char (&ArraySizeHelper(const T (&array)[N]))[N];
/**
* @def arraysize(array)
* @brief Computes the size of the statically allocated array.
* @param array the array to get the size of.
* @return the number of elements in the array.
*/
#define arraysize(array) (sizeof(ola::ArraySizeHelper(array)))
/**
* @brief Deletes an array when it goes out of scope.
*
* This is similar to unique_ptr<T[]>, which we should switch to once we start
* introducing C++11 syntax.
*/
class ArrayDeleter {
public:
/**
* @brief Create a new ArrayDeleter.
* @param data The data to wrap.
*/
explicit ArrayDeleter(const uint8_t* data) : m_data(data) {}
/**
* @brief Destructor.
*
* This calls delete[] on the data.
*/
~ArrayDeleter() {
if (m_data) {
delete[] m_data;
}
}
private:
const uint8_t* m_data;
};
} // namespace ola
#endif // INCLUDE_OLA_BASE_ARRAY_H_
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