1.\" $OpenBSD: ERR_asprintf_error_data.3,v 1.2 2017/02/21 07:15:21 jmc Exp $ 2.\" 3.\" Copyright (c) 2017 Bob Beck <beck@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.Dd $Mdocdate: February 21 2017 $ 17.Dt ERR_ASPRINTF_ERROR_DATA 3 18.Os 19.Sh NAME 20.Nm ERR_asprintf_error_data 21.Nd record a LibreSSL error using a formatted string 22.Sh SYNOPSIS 23.In openssl/err.h 24.Ft void 25.Fo ERR_asprintf_error_data 26.Fa "char * format" 27.Fa ... 28.Fc 29.Sh DESCRIPTION 30.Nm 31builds a string using 32.Xr asprintf 3 33called with the provided 34.Ar format 35and arguments. 36The resulting string is then associated with the error code that was most 37recently added. 38If 39.Xr asprintf 3 40fails, the string "malloc failed" is associated instead. 41.Pp 42.Nm 43is intended to be used instead of the OpenSSL functions 44.Xr ERR_add_error_data 3 45and 46.Xr ERR_add_error_vdata 3 . 47.Sh SEE ALSO 48.Xr ERR 3 , 49.Xr ERR_put_error 3 , 50.Xr printf 3 51.Sh HISTORY 52.Nm 53appeared in 54.Ox 5.6 55and is available in all versions of LibreSSL. 56