* move f2b_regexlist_*() to separate file

src/regexps.c

@@ -0,0 +1,31 @@
+/* this file should not be used directly, only with `#include "regexps.c"` */
+
+f2b_regex_t *
+f2b_regexlist_append(f2b_regex_t *list, f2b_regex_t *regex) {
+  assert(regex != NULL);
+
+  regex->next = list;
+  return regex;
+}
+
+bool
+f2b_regexlist_match(f2b_regex_t *list, const char *line, char *buf, size_t buf_size) {
+  for (; list != NULL; list = list->next) {
+    if (f2b_regex_match(list, line, buf, buf_size))
+      return true;
+  }
+
+  return false;
+}
+
+f2b_regex_t *
+f2b_regexlist_destroy(f2b_regex_t *list) {
+  f2b_regex_t *next;
+
+  for (; list != NULL; list = next) {
+    next = list->next;
+    f2b_regex_destroy(list);
+  }
+
+  return NULL;
+}

src/regexps.h

@@ -6,10 +6,11 @@
 typedef struct _regex f2b_regex_t;
 
 f2b_regex_t * f2b_regex_create (const char *pattern, bool icase);
+bool          f2b_regex_match  (f2b_regex_t *regex, const char *line, char *buf, size_t hbuf_size);
 void          f2b_regex_destroy(f2b_regex_t *regex);
 
 f2b_regex_t * f2b_regexlist_append (f2b_regex_t *list, f2b_regex_t *regex);
-bool          f2b_regexlist_match (f2b_regex_t *list, const char *line, char *matchbuf, size_t matchbuf_size);
+bool          f2b_regexlist_match  (f2b_regex_t *list, const char *line, char *buf, size_t buf_size);
 f2b_regex_t * f2b_regexlist_destroy(f2b_regex_t *list);
 
 #endif /* F2B_REGEX_H_ */

src/regexps_posix.c

@@ -53,41 +53,26 @@ f2b_regex_destroy(f2b_regex_t * regex) {
   FREE(regex);
 }
 
-f2b_regex_t *
-f2b_regexlist_append(f2b_regex_t *list, f2b_regex_t *regex) {
-  assert(regex != NULL);
-
-  regex->next = list;
-  return regex;
-}
-
 bool
-f2b_regexlist_match(f2b_regex_t *list, const char *line, char *matchbuf, size_t matchbuf_size) {
+f2b_regex_match(f2b_regex_t *regex, const char *line, char *buf, size_t buf_size) {
   size_t match_len = 0;
   regmatch_t match[2];
 
-  for (; list != NULL; list = list->next) {
-    if (regexec(&list->regex, line, 2, &match[0], 0) != 0)
-      continue;
-    list->matches++;
-    match_len = match[1].rm_eo - match[1].rm_so;
-    assert(matchbuf_size > match_len);
-    strncpy(matchbuf, &line[match[1].rm_so], match_len);
-    matchbuf[match_len] = '\0';
-    return true;
-  }
+  assert(regex != NULL);
+  assert(line  != NULL);
+  assert(buf   != NULL);
 
+  if (regexec(&regex->regex, line, 2, &match[0], 0) != 0)
     return false;
-}
 
-f2b_regex_t *
-f2b_regexlist_destroy(f2b_regex_t *list) {
-  f2b_regex_t *next;
+  regex->matches++;
+  match_len = match[1].rm_eo - match[1].rm_so;
+  assert(buf_size > match_len);
+  strncpy(buf, &line[match[1].rm_so], match_len);
+  buf[match_len] = '\0';
 
-  for (; list != NULL; list = next) {
-    next = list->next;
-    f2b_regex_destroy(list);
+  return true;
 }
 
-  return NULL;
-}
+/* common f2b_regexlist_*() functions */
+#include "regexps.c"