Last change
on this file since 559 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
895 bytes
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Line | |
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1 | /* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved. |
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2 | * |
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3 | * Permission to use, copy, modify, and distribute this software |
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4 | * is freely granted, provided that this notice is preserved. |
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5 | */ |
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6 | |
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7 | #include <errno.h> |
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8 | #include <sys/types.h> |
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9 | #include <string.h> |
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10 | #include <stdlib.h> |
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11 | #include <envz.h> |
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12 | |
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13 | #include "buf_findstr.h" |
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14 | |
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15 | char * |
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16 | envz_get (const char *envz, |
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17 | size_t envz_len, |
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18 | const char *name) |
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19 | { |
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20 | char *buf_ptr = (char *)envz; |
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21 | size_t buf_len = envz_len; |
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22 | |
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23 | while(buf_len) |
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24 | { |
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25 | if (_buf_findstr(name, &buf_ptr, &buf_len)) |
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26 | { |
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27 | if (*buf_ptr == '=') |
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28 | { |
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29 | buf_ptr++; |
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30 | return (char *)buf_ptr; |
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31 | } |
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32 | else |
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33 | { |
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34 | if (*buf_ptr == '\0') |
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35 | /* NULL entry. */ |
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36 | return NULL; |
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37 | } |
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38 | } |
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39 | } |
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40 | /* No matching entries found. */ |
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41 | return NULL; |
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42 | } |
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