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Diffstat (limited to 'crypto/heimdal/lib/roken/ecalloc.3')
| -rw-r--r-- | crypto/heimdal/lib/roken/ecalloc.3 | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/roken/ecalloc.3 b/crypto/heimdal/lib/roken/ecalloc.3 new file mode 100644 index 0000000..194ad27 --- /dev/null +++ b/crypto/heimdal/lib/roken/ecalloc.3 @@ -0,0 +1,84 @@ +.\" 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 |
