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1 /* |
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2 * util.c -- various utilities |
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3 * |
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4 * Copyright (c) 2020 David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #include <assert.h> |
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20 #include <errno.h> |
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21 #include <stdarg.h> |
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22 #include <stdlib.h> |
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23 #include <stdnoreturn.h> |
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24 #include <string.h> |
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25 #include <stdio.h> |
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26 |
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27 #include "util.h" |
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28 |
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29 noreturn void |
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30 die(const char *fmt, ...) |
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31 { |
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32 va_list ap; |
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33 |
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34 va_start(ap, fmt); |
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35 vfprintf(stderr, fmt, ap); |
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36 va_end(ap); |
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37 |
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38 exit(1); |
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39 } |
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40 |
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41 char * |
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42 estrdup(const char *str) |
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43 { |
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44 assert(str); |
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45 |
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46 char *ret; |
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47 size_t length = strlen(str); |
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48 |
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49 if (!(ret = calloc(1, length + 1))) |
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50 die(strerror(errno)); |
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51 |
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52 return strcpy(ret, str); |
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53 } |
