/*内部使用的struct unpack函数封装*/ int __wt_struct_unpack(WT_SESSION_IMPL *session, const void *buffer, size_t size, const char *fmt, ...) { WT_DECL_RET; va_list ap; va_start(ap, fmt); ret = __wt_struct_unpackv(session, buffer, size, fmt, ap); va_end(ap); return (ret); }
/* * wiredtiger_struct_unpack -- * Unpack a byte string (extension API). */ int wiredtiger_struct_unpack(WT_SESSION *wt_session, const void *buffer, size_t len, const char *format, ...) { WT_DECL_RET; WT_SESSION_IMPL *session; va_list ap; session = (WT_SESSION_IMPL *)wt_session; va_start(ap, format); ret = __wt_struct_unpackv(session, buffer, len, format, ap); va_end(ap); return (ret); }
/* * __wt_ext_struct_unpack -- * Unpack a byte string (extension API). */ int __wt_ext_struct_unpack(WT_EXTENSION_API *wt_api, WT_SESSION *wt_session, const void *buffer, size_t len, const char *fmt, ...) { WT_DECL_RET; WT_SESSION_IMPL *session; va_list ap; session = (wt_session != NULL) ? (WT_SESSION_IMPL *)wt_session : ((WT_CONNECTION_IMPL *)wt_api->conn)->default_session; va_start(ap, fmt); ret = __wt_struct_unpackv(session, buffer, len, fmt, ap); va_end(ap); return (ret); }