Last change
on this file since 449 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:
1.4 KB
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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 | error_t |
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15 | envz_merge (char **envz, |
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16 | size_t *envz_len, |
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17 | const char *envz2, |
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18 | size_t envz2_len, |
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19 | int override) |
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20 | { |
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21 | char *entry = NULL; |
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22 | char *name_str = NULL; |
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23 | char *val_str = NULL; |
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24 | char *name_iter = NULL; |
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25 | int retval = 0; |
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26 | |
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27 | while((entry = argz_next((char *)envz2, envz2_len, entry)) && !retval) |
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28 | { |
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29 | if (!override) |
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30 | { |
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31 | name_str = strdup (entry); |
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32 | name_iter = strchr(name_str, '='); |
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33 | if(name_iter) |
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34 | *name_iter = '\0'; |
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35 | |
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36 | if(!envz_entry(*envz, *envz_len, name_str)) |
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37 | { |
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38 | retval = argz_add(envz, envz_len, entry); |
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39 | } |
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40 | free(name_str); |
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41 | } |
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42 | else |
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43 | { |
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44 | name_str = strdup (entry); |
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45 | name_iter = strchr(name_str, '='); |
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46 | if(name_iter) |
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47 | { |
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48 | *name_iter = '\0'; |
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49 | val_str = name_iter + 1; |
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50 | } |
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51 | else |
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52 | { |
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53 | val_str = NULL; |
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54 | } |
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55 | |
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56 | retval = envz_add(envz, envz_len, name_str, val_str); |
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57 | free(name_str); |
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58 | } |
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59 | } |
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60 | return retval; |
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61 | } |
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