77 lines
2.8 KiB
C
77 lines
2.8 KiB
C
/*
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* Copyright (c) 1990 - 1994, Julianne Frances Haugh
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* Copyright (c) 1996 - 1998, Marek Michałkiewicz
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* Copyright (c) 2003 - 2006, Tomasz Kłoczko
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* Copyright (c) 2008 , Nicolas François
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the copyright holders or contributors may not be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Replacements for malloc and strdup with error checking. Too trivial
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to be worth copyrighting :-). I did that because a lot of code used
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malloc and strdup without checking for NULL pointer, and I like some
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message better than a core dump... --marekm
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Yeh, but. Remember that bailing out might leave the system in some
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bizarre state. You really want to put in error checking, then add
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some back-out failure recovery code. -- jfh */
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#include <config.h>
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#ident "$Id$"
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#include <stdio.h>
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#include <errno.h>
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#include "defines.h"
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#include "prototypes.h"
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#include "shadowlog.h"
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/*@maynotreturn@*/ /*@only@*//*@out@*//*@notnull@*/char *xmalloc (size_t size)
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{
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char *ptr;
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ptr = (char *) malloc (size);
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if (NULL == ptr) {
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(void) fprintf (log_get_logfd(),
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_("%s: failed to allocate memory: %s\n"),
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log_get_progname(), strerror (errno));
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exit (13);
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}
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return ptr;
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}
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/*@maynotreturn@*/ /*@only@*//*@notnull@*/char *xstrdup (const char *str)
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{
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return strcpy (xmalloc (strlen (str) + 1), str);
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}
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void xfree(void *ap)
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{
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if (ap) {
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free(ap);
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}
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}
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