1.\" Copyright (c) 1992, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software developed by the Computer Systems 5.\" Engineering group at Lawrence Berkeley Laboratory under DARPA contract 6.\" BG 91-66 and contributed to Berkeley. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. All advertising materials mentioning features or use of this software 17.\" must display the following acknowledgement: 18.\" This product includes software developed by the University of 19.\" California, Berkeley and its contributors. 20.\" 4. Neither the name of the University nor the names of its contributors 21.\" may be used to endorse or promote products derived from this software 22.\" without specific prior written permission. 23.\" 24.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" @(#)kvm_geterr.3 8.1 (Berkeley) 6/4/93 37.\" $FreeBSD: src/lib/libkvm/kvm_geterr.3,v 1.3.2.4 2001/12/17 10:08:30 ru Exp $ 38.\" $DragonFly: src/lib/libkvm/kvm_geterr.3,v 1.2 2003/06/17 04:26:49 dillon Exp $ 39.\" 40.Dd June 4, 1993 41.Dt KVM_GETERR 3 42.Os 43.Sh NAME 44.Nm kvm_geterr 45.Nd get error message on kvm descriptor 46.Sh LIBRARY 47.Lb libkvm 48.Sh SYNOPSIS 49.In kvm.h 50.Ft char * 51.Fn kvm_geterr "kvm_t *kd" 52.Sh DESCRIPTION 53This function returns a string describing the most recent error condition 54on the descriptor 55.Fa kd . 56The results are undefined if the most recent 57.Xr kvm 3 58library call did not produce an error. 59The string returned is stored in memory owned by 60.Xr kvm 3 61so the message should be copied out and saved elsewhere if necessary. 62.Sh BUGS 63This routine cannot be used to access error conditions due to a failed 64.Fn kvm_openfiles 65call, since failure is indicated by returning a 66.Dv NULL 67descriptor. 68Therefore, errors on open are output to the special error buffer 69passed to 70.Fn kvm_openfiles . 71This option is not available to 72.Fn kvm_open . 73.Sh SEE ALSO 74.Xr kvm 3 , 75.Xr kvm_close 3 , 76.Xr kvm_getargv 3 , 77.Xr kvm_getenvv 3 , 78.Xr kvm_getprocs 3 , 79.Xr kvm_nlist 3 , 80.Xr kvm_open 3 , 81.Xr kvm_openfiles 3 , 82.Xr kvm_read 3 , 83.Xr kvm_write 3 84