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Annotation of src/usr.bin/sort/mem.c, Revision 1.2

1.2     ! millert     1: /*     $OpenBSD: mem.c,v 1.1 2015/03/17 17:45:13 millert Exp $ */
1.1       millert     2:
                      3: /*-
                      4:  * Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
                      5:  * Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com>
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29:
                     30: #include <err.h>
                     31: #include <stdint.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)
1.2     ! millert    46:                err(2, NULL);
        !            47:        return ptr;
        !            48: }
        !            49:
        !            50: /*
        !            51:  * calloc() wrapper.
        !            52:  */
        !            53: void *
        !            54: sort_calloc(size_t nmemb, size_t size)
        !            55: {
        !            56:        void *ptr;
        !            57:
        !            58:        if ((ptr = calloc(nmemb, size)) == NULL)
1.1       millert    59:                err(2, NULL);
                     60:        return ptr;
                     61: }
                     62:
                     63: /*
                     64:  * free() wrapper.
                     65:  */
                     66: void
                     67: sort_free(void *ptr)
                     68: {
                     69:
                     70:        free(ptr);
                     71: }
                     72:
                     73: /*
                     74:  * realloc() wrapper.
                     75:  */
                     76: void *
                     77: sort_realloc(void *ptr, size_t size)
                     78: {
                     79:
                     80:        if ((ptr = realloc(ptr, size)) == NULL)
                     81:                err(2, NULL);
                     82:        return ptr;
                     83: }
                     84:
                     85: /*
                     86:  * reallocarray() wrapper.
                     87:  */
                     88: void *
                     89: sort_reallocarray(void *ptr, size_t nmemb, size_t size)
                     90: {
                     91:
                     92:        if ((ptr = reallocarray(ptr, nmemb, size)) == NULL)
                     93:                err(2, NULL);
                     94:        return ptr;
                     95: }
                     96:
                     97: char *
                     98: sort_strdup(const char *str)
                     99: {
                    100:        char *dup;
                    101:
                    102:        if ((dup = strdup(str)) == NULL)
                    103:                err(2, NULL);
                    104:        return dup;
                    105: }