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annotate src/os/unix/ngx_errno.c @ 2335:3d8ab5957202

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ngx_strerror_r() style and size == 0 bug fix
author Igor Sysoev <igor@sysoev.ru>
date Tue, 25 Nov 2008 11:26:32 +0000
parents d4ea69372b94
children e294f37401c0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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4 */
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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2ff194b74f1e nginx-0.1.9-RELEASE import
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11 #if (NGX_HAVE_STRERROR_R)
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12
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13 u_char *
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14 ngx_strerror_r(int err, u_char *errstr, size_t size)
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15 {
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16 if (size == 0) {
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17 return errstr;
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18 }
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20 errstr[0] = '\0';
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21
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22 strerror_r(err, (char *) errstr, size);
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23
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24 while (*errstr && size) {
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25 errstr++;
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26 size--;
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27 }
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28
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29 return errstr;
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30 }
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31
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32 #elif (NGX_HAVE_GNU_STRERROR_R)
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8e39cab6abd5 nginx-0.0.2-2004-02-10-19:23:38 import
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33
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34 /* Linux strerror_r() */
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35
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36 u_char *
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37 ngx_strerror_r(int err, u_char *errstr, size_t size)
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38 {
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39 char *str;
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40
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41 if (size == 0) {
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42 return errstr;
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43 }
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44
8e39cab6abd5 nginx-0.0.2-2004-02-10-19:23:38 import
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45 errstr[0] = '\0';
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46
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47 str = strerror_r(err, (char *) errstr, size);
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48
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49 if (str != (char *) errstr) {
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50 return ngx_cpystrn(errstr, (u_char *) str, size);
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51 }
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52
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53 while (*errstr && size) {
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54 errstr++;
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55 size--;
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56 }
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57
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58 return errstr;
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59 }
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60
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61 #endif