2003-11-26 04:44:56 +08:00
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#include <ngx_config.h>
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#include <ngx_core.h>
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static void *ngx_regex_malloc(size_t size);
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static void ngx_regex_free(void *p);
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/* THREADS: this pool should be private for each thread */
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static ngx_pool_t *ngx_pcre_pool;
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void ngx_regex_init()
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{
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pcre_malloc = ngx_regex_malloc;
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pcre_free = ngx_regex_free;
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}
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ngx_regex_t *ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options,
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ngx_pool_t *pool, ngx_str_t *err)
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{
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int erroff;
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const char *errstr;
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ngx_regex_t *re;
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ngx_pcre_pool = pool;
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2004-03-16 15:10:12 +08:00
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re = pcre_compile((const char *) pattern->data, (int) options,
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&errstr, &erroff, NULL);
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2003-11-26 04:44:56 +08:00
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if (re == NULL) {
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2003-12-09 04:48:12 +08:00
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if ((size_t) erroff == pattern->len) {
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2004-03-16 15:10:12 +08:00
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ngx_snprintf((char *) err->data, err->len - 1,
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2003-11-26 04:44:56 +08:00
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"pcre_compile() failed: %s in \"%s\"",
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errstr, pattern->data);
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} else {
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2004-03-16 15:10:12 +08:00
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ngx_snprintf((char *) err->data, err->len - 1,
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2003-11-26 04:44:56 +08:00
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"pcre_compile() failed: %s in \"%s\" at \"%s\"",
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errstr, pattern->data, pattern->data + erroff);
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}
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}
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2004-03-23 14:01:52 +08:00
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/* ensure that there is no current pool */
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ngx_pcre_pool = NULL;
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2003-11-26 04:44:56 +08:00
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return re;
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}
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2003-12-26 04:26:58 +08:00
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ngx_int_t ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s,
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int *matches, ngx_int_t size)
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2003-11-26 04:44:56 +08:00
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{
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int rc;
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2004-03-16 15:10:12 +08:00
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rc = pcre_exec(re, NULL, (const char *) s->data, s->len, 0, 0,
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matches, size);
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2003-11-26 04:44:56 +08:00
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if (rc == -1) {
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return NGX_DECLINED;
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}
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return rc;
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}
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static void *ngx_regex_malloc(size_t size)
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{
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2004-03-23 14:01:52 +08:00
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if (ngx_pcre_pool) {
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return ngx_palloc(ngx_pcre_pool, size);
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}
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return NULL;
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2003-11-26 04:44:56 +08:00
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}
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static void ngx_regex_free(void *p)
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{
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return;
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}
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