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-.\" Copyright (c) 2001, 2003 Kungliga Tekniska Högskolan
-.\" (Royal Institute of Technology, Stockholm, Sweden).
-.\" 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
-.\" $Id: ecalloc.3 12527 2003-08-15 12:28:14Z joda $
-.\"
-.Dd August 14, 2003
-.Dt ECALLOC 3
-.Os HEIMDAL
-.Sh NAME
-.Nm ecalloc ,
-.Nm emalloc ,
-.Nm eread ,
-.Nm erealloc ,
-.Nm esetenv ,
-.Nm estrdup ,
-.Nm ewrite
-.Nd exit-on-failure wrapper functions
-.Sh LIBRARY
-The roken library (libroken, -lroken)
-.Sh SYNOPSIS
-.Fd #include <roken.h>
-.Ft "void *"
-.Fn ecalloc "size_t number" "size_t size"
-.Ft "void *"
-.Fn emalloc "size_t sz"
-.Ft ssize_t
-.Fn eread "int fd" "void *buf" "size_t nbytes"
-.Ft "void *"
-.Fn erealloc "void *ptr" "size_t sz"
-.Ft void
-.Fn esetenv "const char *var" "const char *val" "int rewrite"
-.Ft "char *"
-.Fn estrdup "const char *str"
-.Ft ssize_t
-.Fn ewrite "int fd" "const void *buf" "size_t nbytes"
-.Sh DESCRIPTION
-These functions do the same as the ones without the
-.Dq e
-prefix, but if there is an error they will print a message with
-.Xr errx 3 ,
-and exit. For
-.Nm eread
-and
-.Nm ewrite
-this is also true for partial data.
-.Pp
-This is useful in applications when there is no need for a more
-advanced failure mode.
-.Sh SEE ALSO
-.Xr read 2 ,
-.Xr write 2 ,
-.Xr calloc 3 ,
-.Xr errx 3 ,
-.Xr malloc 3 ,
-.Xr realloc 3 ,
-.Xr setenv 3 ,
-.Xr strdup 3