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Diffstat (limited to 'static/netbsd/man3/assert.3')
| -rw-r--r-- | static/netbsd/man3/assert.3 | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/static/netbsd/man3/assert.3 b/static/netbsd/man3/assert.3 new file mode 100644 index 00000000..d7eb8a9b --- /dev/null +++ b/static/netbsd/man3/assert.3 @@ -0,0 +1,98 @@ +.\" $NetBSD: assert.3,v 1.14 2016/06/01 01:31:11 pgoyette Exp $ +.\" +.\" Copyright (c) 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)assert.3 8.1 (Berkeley) 6/9/93 +.\" +.Dd June 1, 2016 +.Dt ASSERT 3 +.Os +.Sh NAME +.Nm assert +.Nd expression verification macro +.Sh SYNOPSIS +.In assert.h +.Fn assert expression +.Sh DESCRIPTION +The +.Fn assert +macro tests the given +.Ar expression +and if it is false, +the calling process is terminated. +A diagnostic message, consisting of the text of the expression, +the name of the source file, the line number and the enclosing +function, +is written to +.Em stderr +and the +.Xr abort 3 +function is called, effectively terminating the program. +.Pp +If +.Ar expression +is true, +the +.Fn assert +macro does nothing. +.Pp +The +.Fn assert +macro +may be removed at compile time with +the +.Xr cc 1 +option +.Fl DNDEBUG . +.Sh DIAGNOSTICS +The following diagnostic message is written to +.Em stderr +if +.Ar expression +is false: +.Bd -literal -offset indent +"assertion \e"%s\e" failed: file \e"%s\e", line %d, function \e"%s\e"\en", \e + "expression", __FILE__, __LINE__, __func__); +.Ed +.Sh SEE ALSO +.Xr cc 1 , +.Xr _DIAGASSERT 3 , +.Xr abort 3 +.Sh STANDARDS +The +.Fn assert +macro conforms to +.St -isoC-99 . +.Sh HISTORY +A +.Nm +macro appeared in +.At v7 . +.Pp +Information on the name of the enclosing function appeared in +.St -isoC-99 . |
