Berkeley DB

DbEnv::err

						#include <db_cxx.h>
						DbEnv::err(int error, const char *fmt, ...);
						DbEnv::errx(const char *fmt, ...);
						Db::err(int error, const char *fmt, ...);
						Db::errx(const char *fmt, ...);
					

Description

The DbEnv::err, DbEnv::errx, Db::err, and Db::errx methods provide error-messaging functionality for applications written using the Berkeley DB library.

The DbEnv::err method constructs an error message consisting of the following elements:

• An optional prefix string If no error callback method has been set using the DbEnv::set_errcall method, any prefix string specified using the DbEnv::set_errpfx method, followed by two separating characters: a colon and a <space> character.

• An optional printf-style message The supplied message fmt, if non-NULL, ...