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3
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1 /*-
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2 * Copyright (c) 2010 The NetBSD Foundation, Inc.
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3 * All rights reserved.
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4 *
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5 * This code is derived from software contributed to The NetBSD Foundation
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6 * by David A. Holland.
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions
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10 * are met:
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11 * 1. Redistributions of source code must retain the above copyright
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12 * notice, this list of conditions and the following disclaimer.
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13 * 2. Redistributions in binary form must reproduce the above copyright
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14 * notice, this list of conditions and the following disclaimer in the
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15 * documentation and/or other materials provided with the distribution.
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16 *
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17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 * POSSIBILITY OF SUCH DAMAGE.
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28 */
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29
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30 #include <stdlib.h>
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31 #include <string.h>
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32 #include <err.h>
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33
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34 #include "utils.h"
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35
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36 void *
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37 domalloc(size_t len)
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38 {
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39 void *ret;
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40
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41 ret = malloc(len);
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42 if (ret == NULL) {
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43 warnx("Out of memory");
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44 die();
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45 }
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46 return ret;
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47 }
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48
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49 void *
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50 dorealloc(void *ptr, size_t len)
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51 {
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52 void *ret;
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53
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54 ret = realloc(ptr, len);
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55 if (ret == NULL) {
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56 warnx("Out of memory");
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57 die();
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58 }
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59 return ret;
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60 }
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61
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62 char *
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63 dostrdup(const char *s)
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64 {
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65 char *ret;
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66 size_t len;
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67
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68 len = strlen(s);
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69 ret = domalloc(len+1);
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70 strcpy(ret, s);
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71 return ret;
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72 }
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73
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74 char *
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75 dostrdup2(const char *s, const char *t)
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76 {
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77 char *ret;
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78 size_t len;
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79
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80 len = strlen(s) + strlen(t);
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81 ret = domalloc(len+1);
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82 strcpy(ret, s);
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83 strcat(ret, t);
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84 return ret;
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85 }
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86
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87 char *
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88 dostrdup3(const char *s, const char *t, const char *u)
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89 {
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90 char *ret;
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91 size_t len;
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92
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93 len = strlen(s) + strlen(t) + strlen(u);
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94 ret = domalloc(len+1);
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95 strcpy(ret, s);
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96 strcat(ret, t);
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97 strcat(ret, u);
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98 return ret;
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99 }
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100
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