1 | /* |
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2 | * Copyright (c) 1987 Regents of the University of California. |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms are permitted |
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6 | * provided that: (1) source distributions retain this entire copyright |
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7 | * notice and comment, and (2) distributions including binaries display |
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8 | * the following acknowledgement: ``This product includes software |
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9 | * developed by the University of California, Berkeley and its contributors'' |
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10 | * in the documentation or other materials provided with the distribution |
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11 | * and in all advertising materials mentioning features or use of this |
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12 | * software. Neither the name of the University nor the names of its |
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13 | * contributors may be used to endorse or promote products derived |
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14 | * from this software without specific prior written permission. |
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15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
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16 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
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17 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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18 | */ |
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19 | |
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20 | #ifndef _REENT_ONLY |
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21 | |
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22 | #include <stddef.h> |
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23 | #include <stdlib.h> |
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24 | #include <string.h> |
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25 | |
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26 | extern int _unsetenv_r (struct _reent *, const char *); |
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27 | |
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28 | /* |
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29 | * setenv -- |
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30 | * Set the value of the environmental variable "name" to be |
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31 | * "value". If rewrite is set, replace any current value. |
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32 | */ |
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33 | |
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34 | int |
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35 | setenv (const char *name, |
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36 | const char *value, |
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37 | int rewrite) |
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38 | { |
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39 | return _setenv_r (_REENT, name, value, rewrite); |
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40 | } |
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41 | |
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42 | /* |
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43 | * unsetenv(name) -- |
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44 | * Delete environmental variable "name". |
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45 | */ |
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46 | int |
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47 | unsetenv (const char *name) |
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48 | { |
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49 | return _unsetenv_r (_REENT, name); |
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50 | } |
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51 | |
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52 | #endif /* !_REENT_ONLY */ |
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