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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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10
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13 u_char *ngx_strerror_r(int err, u_char *errstr, size_t size)
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0
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14 {
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15 if (size == 0) {
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16 return 0;
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17 }
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18
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19 errstr[0] = '\0';
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20
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10
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21 strerror_r(err, (char *) errstr, size);
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0
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22
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10
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23 while (*errstr && size) {
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24 errstr++;
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25 size--;
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0
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26 }
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27
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10
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28 return errstr;
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0
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29 }
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30
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18
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31 #elif (NGX_HAVE_GNU_STRERROR_R)
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0
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32
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33 /* Linux strerror_r() */
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34
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10
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35 u_char *ngx_strerror_r(int err, u_char *errstr, size_t size)
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0
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36 {
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50
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37 char *str;
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0
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38
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39 if (size == 0) {
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40 return 0;
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41 }
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42
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43 errstr[0] = '\0';
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44
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10
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45 str = strerror_r(err, (char *) errstr, size);
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0
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46
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10
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47 if (str != (char *) errstr) {
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48 return ngx_cpystrn(errstr, (u_char *) str, size);
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0
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49 }
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50
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10
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51 while (*errstr && size) {
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52 errstr++;
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53 size--;
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0
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54 }
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55
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10
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56 return errstr;
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0
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57 }
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58
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59 #endif
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