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FileUtil: Add a WriteObject method for writing a single, POD-type object.

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This commit is contained in:
Tony Wasserka 2015-04-18 02:31:00 +02:00
parent 256bdfb579
commit 279e19732c
1 changed files with 10 additions and 0 deletions
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10
src/common/file_util.h
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@ -181,6 +181,10 @@ public:
template <typename T> template <typename T>
size_t WriteArray(const T* data, size_t length) size_t WriteArray(const T* data, size_t length)
{ {
static_assert(std::is_standard_layout<T>::value, "Given array does not consist of standard layout objects");
// TODO: gcc 4.8 does not support is_trivially_copyable, but we really should check for it here.
//static_assert(std::is_trivially_copyable<T>::value, "Given array does not consist of trivially copyable objects");
if (!IsOpen()) { if (!IsOpen()) {
m_good = false; m_good = false;
return -1; return -1;
@ -203,6 +207,12 @@ public:
return WriteArray(reinterpret_cast<const char*>(data), length); return WriteArray(reinterpret_cast<const char*>(data), length);
} }
template<typename T>
size_t WriteObject(const T& object) {
static_assert(!std::is_pointer<T>::value, "Given object is a pointer");
return WriteArray(&object, 1);
}
bool IsOpen() { return nullptr != m_file; } bool IsOpen() { return nullptr != m_file; }
// m_good is set to false when a read, write or other function fails // m_good is set to false when a read, write or other function fails