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
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File size:
1005 bytes
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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 | error_t |
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| 15 | envz_add (char **envz, |
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| 16 | size_t *envz_len, |
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| 17 | const char *name, |
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| 18 | const char *value) |
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| 19 | { |
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| 20 | char *concat = NULL; |
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| 21 | int name_len = 0; |
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| 22 | int val_len = 0; |
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| 23 | int retval = 0; |
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| 24 | |
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| 25 | envz_remove(envz, envz_len, name); |
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| 26 | |
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| 27 | if (value) |
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| 28 | { |
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| 29 | name_len = strlen(name); |
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| 30 | val_len = strlen(value); |
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| 31 | if(!(concat = (char *) malloc(name_len + val_len + 2))) |
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| 32 | return ENOMEM; |
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| 33 | |
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| 34 | memcpy(concat, name, name_len); |
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| 35 | concat[name_len] = '='; |
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| 36 | memcpy(concat + name_len + 1, value, val_len + 1); |
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| 37 | |
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| 38 | retval = argz_add(envz, envz_len, concat); |
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| 39 | free(concat); |
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| 40 | } |
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| 41 | else |
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| 42 | { |
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| 43 | retval = argz_add(envz, envz_len, name); |
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| 44 | } |
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| 45 | return retval; |
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| 46 | } |
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