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file_util: Add static assertions to ReadBytes() and WriteBytes()

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Ensure that the actual types being passed in are trivially copyable. The internal
call to ReadArray() and WriteArray() will always succeed, since they're passed a pointer to char*
which is always trivially copyable.
This commit is contained in:
Lioncash 2018-04-29 18:18:39 -04:00
parent 869075867b
commit 40d2dcabd7
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 6 additions and 2 deletions
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8
src/common/file_util.h
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@ -202,11 +202,15 @@ public:
return items_written; return items_written;
} }
size_t ReadBytes(void* data, size_t length) { template <typename T>
size_t ReadBytes(T* data, size_t length) {
static_assert(std::is_trivially_copyable<T>(), "T must be trivially copyable");
return ReadArray(reinterpret_cast<char*>(data), length); return ReadArray(reinterpret_cast<char*>(data), length);
} }
size_t WriteBytes(const void* data, size_t length) { template <typename T>
size_t WriteBytes(const T* data, size_t length) {
static_assert(std::is_trivially_copyable<T>(), "T must be trivially copyable");
return WriteArray(reinterpret_cast<const char*>(data), length); return WriteArray(reinterpret_cast<const char*>(data), length);
} }