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OpenMW is an open implementation of the Morrowind engine
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1.3 kB · 34 lines
C++
at master
1234567891011121314151617181920212223242526272829303132333435#include "db.hpp"
#include <sqlite3.h>
#include <stdexcept>#include <string>#include <string_view>
namespace Sqlite3{ void CloseSqlite3::operator()(sqlite3* handle) const noexcept { sqlite3_close_v2(handle); }
Db makeDb(std::string_view path, const char* schema) { sqlite3* handle = nullptr; // All uses of NavMeshDb are protected by a mutex (navmeshtool) or serialized in a single thread (DbWorker) // so additional synchronization between threads is not required and SQLITE_OPEN_NOMUTEX can be used. // This is unsafe to use NavMeshDb without external synchronization because of internal state. const int flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_NOMUTEX; if (const int ec = sqlite3_open_v2(std::string(path).c_str(), &handle, flags, nullptr); ec != SQLITE_OK) { const std::string message(sqlite3_errmsg(handle)); sqlite3_close(handle); throw std::runtime_error("Failed to open database: " + message); } Db result(handle); if (const int ec = sqlite3_exec(result.get(), schema, nullptr, nullptr, nullptr); ec != SQLITE_OK) throw std::runtime_error("Failed create database schema: " + std::string(sqlite3_errmsg(handle))); return result; }}