Mercurial > hg > nginx
annotate src/os/unix/ngx_errno.c @ 441:da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 28 Sep 2004 08:34:51 +0000 |
parents | 4b1a3a4acc60 |
children | 42d11f017717 |
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1 |
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2 /* |
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3 * Copyright (C) 2002-2004 Igor Sysoev |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 |
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11 #if (HAVE_STRERROR_R) |
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12 |
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13 ngx_int_t ngx_strerror_r(int err, char *errstr, size_t size) |
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14 { |
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15 size_t len; |
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16 |
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17 if (size == 0) { |
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18 return 0; |
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19 } |
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20 |
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21 errstr[0] = '\0'; |
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22 |
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23 strerror_r(err, errstr, size); |
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24 |
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25 for (len = 0; len < size; len++) { |
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26 if (errstr[len] == '\0') { |
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27 break; |
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28 } |
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29 } |
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30 |
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31 return len; |
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32 } |
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33 |
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34 #elif (HAVE_GNU_STRERROR_R) |
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35 |
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36 /* Linux strerror_r() */ |
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37 |
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38 ngx_int_t ngx_strerror_r(int err, char *errstr, size_t size) |
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39 { |
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40 char *str; |
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41 size_t len; |
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42 |
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43 if (size == 0) { |
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44 return 0; |
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45 } |
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46 |
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47 errstr[0] = '\0'; |
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48 |
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49 str = strerror_r(err, errstr, size); |
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50 |
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51 if (str != errstr) { |
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52 return ngx_cpystrn(errstr, str, size) - (u_char *) errstr; |
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53 } |
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54 |
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55 for (len = 0; len < size; len++) { |
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56 if (errstr[len] == '\0') { |
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57 break; |
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58 } |
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59 } |
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60 |
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61 return len; |
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62 } |
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63 |
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64 #endif |