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The e* functions don't call the error handler in every case, just in

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case of an error.

Mentioned the error conditions for the various functions.
This commit is contained in:
rillig 2007-11-21 09:17:24 +00:00
parent 3a63ee360d
commit 55bf992f36
1 changed files with 6 additions and 2 deletions
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8
lib/libutil/efun.3
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@ -1,4 +1,4 @@
.\" $NetBSD: efun.3,v 1.5 2007/07/01 21:41:16 pooka Exp $
.\" $NetBSD: efun.3,v 1.6 2007/11/21 09:17:24 rillig Exp $
.\"
.\" Copyright (c) 2006 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -92,9 +92,13 @@ and
functions
operate exactly as the correspoding functions that do not start with an
.Sq e
except that they call
except that in case of an error, they call
the installed error handler that can be configured with
.Nm esetfunc .
For the string handling functions, it is an error when the destination
buffer is not large enough to hold the complete string.
For functions that allocate memory or open a file, it is an error when
they would return a null pointer.
The default error handler is
.Xr err 3 .
The function