diff --git a/src/common/file_util.h b/src/common/file_util.h index fdae5c9c8..8efff4958 100644 --- a/src/common/file_util.h +++ b/src/common/file_util.h @@ -151,29 +151,41 @@ public: bool Close(); template - bool ReadArray(T* data, size_t length) + size_t ReadArray(T* data, size_t length) { - if (!IsOpen() || length != std::fread(data, sizeof(T), length, m_file)) + if (!IsOpen()) { + m_good = false; + return -1; + } + + size_t items_read = std::fread(data, sizeof(T), length, m_file); + if (items_read != length) m_good = false; - return m_good; + return items_read; } template - bool WriteArray(const T* data, size_t length) + size_t WriteArray(const T* data, size_t length) { - if (!IsOpen() || length != std::fwrite(data, sizeof(T), length, m_file)) + if (!IsOpen()) { + m_good = false; + return -1; + } + + size_t items_written = std::fwrite(data, sizeof(T), length, m_file); + if (items_written != length) m_good = false; - return m_good; + return items_written; } - bool ReadBytes(void* data, size_t length) + size_t ReadBytes(void* data, size_t length) { return ReadArray(reinterpret_cast(data), length); } - bool WriteBytes(const void* data, size_t length) + size_t WriteBytes(const void* data, size_t length) { return WriteArray(reinterpret_cast(data), length); }