Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
1006 bytes
|
Rev | Line | |
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[444] | 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_strip (char **envz, |
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| 16 | size_t *envz_len) |
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| 17 | { |
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| 18 | char *entry = 0; |
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| 19 | int len = 0; |
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| 20 | int null_found = 0; |
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| 21 | |
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| 22 | while((entry = argz_next(*envz, *envz_len, entry))) |
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| 23 | { |
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| 24 | if(!strchr(entry, '=')) |
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| 25 | { |
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| 26 | null_found = 1; |
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| 27 | len = strlen(entry) + 1; |
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| 28 | /* Make sure this is not the last entry in envz. If it is, it |
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| 29 | will be chopped off by the realloc anyway.*/ |
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| 30 | if(*envz + *envz_len != entry + len - 1) |
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| 31 | { |
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| 32 | memmove(entry, entry + len, *envz + *envz_len - entry - len); |
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| 33 | } |
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| 34 | *envz_len -= len; |
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| 35 | } |
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| 36 | } |
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| 37 | if(null_found) |
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| 38 | { |
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| 39 | *envz = (char *)realloc(*envz, *envz_len); |
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| 40 | } |
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| 41 | } |
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