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Annotation of src/usr.bin/sort/mem.c, Revision 1.1

1.1     ! millert     1: /*     $OpenBSD$       */
        !             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)
        !            46:                err(2, NULL);
        !            47:        return ptr;
        !            48: }
        !            49:
        !            50: /*
        !            51:  * free() wrapper.
        !            52:  */
        !            53: void
        !            54: sort_free(void *ptr)
        !            55: {
        !            56:
        !            57:        free(ptr);
        !            58: }
        !            59:
        !            60: /*
        !            61:  * realloc() wrapper.
        !            62:  */
        !            63: void *
        !            64: sort_realloc(void *ptr, size_t size)
        !            65: {
        !            66:
        !            67:        if ((ptr = realloc(ptr, size)) == NULL)
        !            68:                err(2, NULL);
        !            69:        return ptr;
        !            70: }
        !            71:
        !            72: /*
        !            73:  * reallocarray() wrapper.
        !            74:  */
        !            75: void *
        !            76: sort_reallocarray(void *ptr, size_t nmemb, size_t size)
        !            77: {
        !            78:
        !            79:        if ((ptr = reallocarray(ptr, nmemb, size)) == NULL)
        !            80:                err(2, NULL);
        !            81:        return ptr;
        !            82: }
        !            83:
        !            84: char *
        !            85: sort_strdup(const char *str)
        !            86: {
        !            87:        char *dup;
        !            88:
        !            89:        if ((dup = strdup(str)) == NULL)
        !            90:                err(2, NULL);
        !            91:        return dup;
        !            92: }