Function proj_info

ThirdParty/libproj/vtklibproj/src/4D_api.cpp:1603–1647

/

/*****************************************************************************/
PJ_INFO proj_info (void) {
/******************************************************************************
    Basic info about the current instance of the PROJ.4 library.

    Returns PJ_INFO struct.
******************************************************************************/
    size_t  buf_size = 0;
    char   *buf = nullptr;

    pj_acquire_lock ();

    info.major = PROJ_VERSION_MAJOR;
    info.minor = PROJ_VERSION_MINOR;
    info.patch = PROJ_VERSION_PATCH;

    /* This is a controlled environment, so no risk of sprintf buffer
    overflow. A normal version string is xx.yy.zz which is 8 characters
    long and there is room for 64 bytes in the version string. */
    sprintf (version, "%d.%d.%d", info.major, info.minor, info.patch);

    info.version    = version;
    info.release    = pj_get_release ();

    /* build search path string */
    auto ctx = pj_get_default_ctx();
    if (ctx->search_paths.empty()) {
        const auto searchpaths = pj_get_default_searchpaths(ctx);
        for( const auto& path: searchpaths ) {
            buf = path_append(buf, path.c_str(), &buf_size);
        }
    } else {
        for (const auto &path : ctx->search_paths) {
            buf = path_append(buf, path.c_str(), &buf_size);
        }
    }

    free(const_cast<char*>(info.searchpath));
    info.searchpath = buf ? buf : empty;

    info.paths = ctx->c_compat_paths;
    info.path_count = static_cast<int>(ctx->search_paths.size());

    pj_release_lock ();
    return info;
}


/*****************************************************************************/