Mercurial > hg > nginx
annotate src/core/ngx_regex.c @ 314:d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 14 Apr 2004 05:57:36 +0000 |
parents | 5cfd65b8b0a7 |
children | 02a511569afb |
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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6 static void *ngx_regex_malloc(size_t size); |
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7 static void ngx_regex_free(void *p); |
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8 |
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10 /* THREADS: this pool should be private for each thread */ |
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11 static ngx_pool_t *ngx_pcre_pool; |
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14 void ngx_regex_init() |
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15 { |
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16 pcre_malloc = ngx_regex_malloc; |
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17 pcre_free = ngx_regex_free; |
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18 } |
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21 ngx_regex_t *ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options, |
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22 ngx_pool_t *pool, ngx_str_t *err) |
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23 { |
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24 int erroff; |
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25 const char *errstr; |
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26 ngx_regex_t *re; |
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28 ngx_pcre_pool = pool; |
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30 re = pcre_compile((const char *) pattern->data, (int) options, |
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31 &errstr, &erroff, NULL); |
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32 |
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33 if (re == NULL) { |
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34 if ((size_t) erroff == pattern->len) { |
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35 ngx_snprintf((char *) err->data, err->len - 1, |
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36 "pcre_compile() failed: %s in \"%s\"", |
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37 errstr, pattern->data); |
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38 } else { |
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39 ngx_snprintf((char *) err->data, err->len - 1, |
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40 "pcre_compile() failed: %s in \"%s\" at \"%s\"", |
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41 errstr, pattern->data, pattern->data + erroff); |
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42 } |
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43 } |
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45 /* ensure that there is no current pool */ |
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47 ngx_pcre_pool = NULL; |
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49 return re; |
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50 } |
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53 ngx_int_t ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, |
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54 int *matches, ngx_int_t size) |
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55 { |
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56 int rc; |
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58 rc = pcre_exec(re, NULL, (const char *) s->data, s->len, 0, 0, |
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59 matches, size); |
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60 |
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61 if (rc == -1) { |
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62 return NGX_DECLINED; |
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63 } |
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64 |
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65 return rc; |
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66 } |
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67 |
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69 static void *ngx_regex_malloc(size_t size) |
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70 { |
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71 if (ngx_pcre_pool) { |
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72 return ngx_palloc(ngx_pcre_pool, size); |
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73 } |
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75 return NULL; |
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76 } |
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77 |
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78 |
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79 static void ngx_regex_free(void *p) |
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80 { |
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81 return; |
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82 } |