[Privoxy-commits] [privoxy] 02/10: Add regex_matches() to reduce HAVE_PCRE2 ifdefs

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commit 662426360b8d10202feabdcd3515d64ea8833798
Author: Fabian Keil <fk at fabiankeil.de>
AuthorDate: Tue Jul 11 06:22:16 2023 +0200

    Add regex_matches() to reduce HAVE_PCRE2 ifdefs
---
 actions.c     | 12 ++----------
 client-tags.c |  6 +-----
 urlmatch.c    | 39 ++++++++++++++++++++++++++-------------
 urlmatch.h    |  4 +---
 4 files changed, 30 insertions(+), 31 deletions(-)

diff --git a/actions.c b/actions.c
index 379c5e97..9fd3249c 100644
--- a/actions.c
+++ b/actions.c
@@ -828,12 +828,8 @@ int update_action_bits_for_tag(struct client_state *csp, const char *tag)
             continue;
          }
 
-#ifdef HAVE_PCRE2
-         if (pcre2_pattern_matches(b->url->pattern.tag_regex, tag))
-#else
          /* and check if one of the tag patterns matches the tag, */
-         if (0 == regexec(b->url->pattern.tag_regex, tag, 0, NULL, 0))
-#endif
+         if (regex_matches(b->url->pattern.tag_regex, tag))
          {
             /* if it does, update the action bit map, */
             if (merge_current_action(csp->action, b->action))
@@ -888,11 +884,7 @@ jb_err check_negative_tag_patterns(struct client_state *csp, unsigned int flag)
          }
          for (tag = csp->tags->first; NULL != tag; tag = tag->next)
          {
-#ifdef HAVE_PCRE2
-            if (pcre2_pattern_matches(b->url->pattern.tag_regex, tag->str))
-#else
-            if (0 == regexec(b->url->pattern.tag_regex, tag->str, 0, NULL, 0))
-#endif
+            if (regex_matches(b->url->pattern.tag_regex, tag->str))
             {
                /*
                 * The pattern matches at least one tag, thus the action
diff --git a/client-tags.c b/client-tags.c
index 474e5695..d8cbb350 100644
--- a/client-tags.c
+++ b/client-tags.c
@@ -659,11 +659,7 @@ int client_tag_match(const struct pattern_spec *pattern,
 
    for (tag = tags->first; tag != NULL; tag = tag->next)
    {
-#ifdef HAVE_PCRE2
-      if (pcre2_pattern_matches(pattern->pattern.tag_regex, tag->str))
-#else
-      if (0 == regexec(pattern->pattern.tag_regex, tag->str, 0, NULL, 0))
-#endif
+      if (regex_matches(pattern->pattern.tag_regex, tag->str))
       {
          log_error(LOG_LEVEL_TAGGING, "Client tag '%s' matches.", tag->str);
          return 1;
diff --git a/urlmatch.c b/urlmatch.c
index 84e9d298..22feb9c8 100644
--- a/urlmatch.c
+++ b/urlmatch.c
@@ -1160,7 +1160,7 @@ static int simplematch(const char *pattern, const char *text)
  * Returns     :  TRUE for yes, FALSE otherwise.
  *
  *********************************************************************/
-int pcre2_pattern_matches(const pcre2_code *pattern, const char *string)
+static int pcre2_pattern_matches(const pcre2_code *pattern, const char *string)
 {
    PCRE2_SIZE offset;
    int ret;
@@ -1189,6 +1189,29 @@ int pcre2_pattern_matches(const pcre2_code *pattern, const char *string)
 #endif
 
 
+/*********************************************************************
+ *
+ * Function    :  regex_matches
+ *
+ * Description :  Checks if a compiled regex pattern matches a string
+ *                using either pcre2 or pcre1 code.
+ *
+ * Parameters  :
+ *          1  :  pattern = The compiled pattern
+ *          2  :  string = The string to check
+ *
+ * Returns     :  TRUE for yes, FALSE otherwise.
+ *
+ *********************************************************************/
+int regex_matches(const REGEX_TYPE *pattern, const char *string)
+{
+#ifdef HAVE_PCRE2
+   return pcre2_pattern_matches(pattern, string);
+#else
+   return (0 == regexec(pattern, string, 0, NULL, 0));
+#endif
+}
+
 /*********************************************************************
  *
  * Function    :  simple_domaincmp
@@ -1483,13 +1506,7 @@ static int host_matches(const struct http_request *http,
    if (pattern->pattern.url_spec.host_regex_type == PCRE_HOST_PATTERN)
    {
       return ((NULL == pattern->pattern.url_spec.host_regex)
-#ifdef HAVE_PCRE2
-         || pcre2_pattern_matches(pattern->pattern.url_spec.host_regex,
-               http->host));
-#else
-         || (0 == regexec(pattern->pattern.url_spec.host_regex,
-               http->host, 0, NULL, 0)));
-#endif
+         || regex_matches(pattern->pattern.url_spec.host_regex, http->host));
    }
 #endif
    return ((NULL == pattern->pattern.url_spec.dbuffer) || (0 == domain_match(pattern, http)));
@@ -1512,11 +1529,7 @@ static int host_matches(const struct http_request *http,
 static int path_matches(const char *path, const struct pattern_spec *pattern)
 {
    return ((NULL == pattern->pattern.url_spec.preg)
-#ifdef HAVE_PCRE2
-      || (pcre2_pattern_matches(pattern->pattern.url_spec.preg, path)));
-#else
-      || (0 == regexec(pattern->pattern.url_spec.preg, path, 0, NULL, 0)));
-#endif
+      || regex_matches(pattern->pattern.url_spec.preg, path));
 }
 
 
diff --git a/urlmatch.h b/urlmatch.h
index 8643aa4e..543f2b88 100644
--- a/urlmatch.h
+++ b/urlmatch.h
@@ -50,9 +50,7 @@ extern int url_requires_percent_encoding(const char *url);
 extern int url_match(const struct pattern_spec *pattern,
                      const struct http_request *http);
 
-#ifdef HAVE_PCRE2
-extern int pcre2_pattern_matches(const pcre2_code *pattern, const char *string);
-#endif
+int regex_matches(const REGEX_TYPE *pattern, const char *string);
 
 extern jb_err create_pattern_spec(struct pattern_spec *url, char *buf);
 extern void free_pattern_spec(struct pattern_spec *url);

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