Last change
on this file since 577 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:
803 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 <argz.h> |
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12 | #include <envz.h> |
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13 | |
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14 | void |
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15 | envz_remove (char **envz, |
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16 | size_t *envz_len, |
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17 | const char *name) |
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18 | { |
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19 | char *entry = NULL; |
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20 | int len = 0; |
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21 | entry = envz_entry (*envz, *envz_len, name); |
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22 | |
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23 | if (entry) |
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24 | { |
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25 | len = strlen(entry) + 1; |
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26 | |
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27 | /* Not the last entry. */ |
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28 | if (*envz + *envz_len != entry + len - 1) |
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29 | { |
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30 | memmove(entry, entry + len, *envz + *envz_len - entry - len); |
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31 | } |
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32 | |
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33 | *envz = (char *)realloc(*envz, *envz_len - len); |
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34 | *envz_len -= len; |
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35 | } |
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36 | } |
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