text_cmds/sort/mem.c

   1 /*-
   2  * Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
   3  * Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  */
  27
  28 #include <sys/cdefs.h>
  29 __FBSDID("$FreeBSD: head/usr.bin/sort/mem.c 281132 2015-04-06 02:35:55Z pfg $");
  30
  31 #include <err.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34
  35 #include "mem.h"
  36
  37 /*
  38  * malloc() wrapper.
  39  */
  40 void *
  41 sort_malloc(size_t size)
  42 {
  43         void *ptr;
  44
  45         if ((ptr = malloc(size)) == NULL)
  46                 err(2, NULL);
  47         return (ptr);
  48 }
  49
  50 /*
  51  * free() wrapper.
  52  */
  53 void
  54 sort_free(const void *ptr)
  55 {
  56
  57         if (ptr)
  58                 free(__DECONST(void *, ptr));
  59 }
  60
  61 /*
  62  * realloc() wrapper.
  63  */
  64 void *
  65 sort_realloc(void *ptr, size_t size)
  66 {
  67
  68         if ((ptr = realloc(ptr, size)) == NULL)
  69                 err(2, NULL);
  70         return (ptr);
  71 }
  72
  73 char *
  74 sort_strdup(const char *str)
  75 {
  76         char *dup;
  77
  78         if ((dup = strdup(str)) == NULL)
  79                 err(2, NULL);
  80         return (dup);
  81 }