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1
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2 /*
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3 * Copyright (C) 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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10
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18
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11 #if (NGX_HAVE_STRERROR_R)
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0
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12
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451
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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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0
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15 {
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16 if (size == 0) {
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451
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17 return errstr;
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0
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18 }
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19
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20 errstr[0] = '\0';
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21
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10
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22 strerror_r(err, (char *) errstr, size);
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0
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23
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10
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24 while (*errstr && size) {
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25 errstr++;
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26 size--;
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0
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27 }
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28
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10
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29 return errstr;
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0
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30 }
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31
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18
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32 #elif (NGX_HAVE_GNU_STRERROR_R)
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0
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33
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34 /* Linux strerror_r() */
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35
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451
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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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0
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38 {
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50
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39 char *str;
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0
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40
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41 if (size == 0) {
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451
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42 return errstr;
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0
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43 }
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44
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45 errstr[0] = '\0';
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46
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10
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47 str = strerror_r(err, (char *) errstr, size);
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0
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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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0
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51 }
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52
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10
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53 while (*errstr && size) {
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54 errstr++;
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55 size--;
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0
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56 }
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57
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10
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58 return errstr;
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0
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59 }
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60
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61 #endif
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