rx enhancements.

[apps/madmutt.git] / lib-lib / rx.c

diff --git a/lib-lib/rx.c b/lib-lib/rx.c
index 0edce59..02a01d0 100644 (file)
--- a/lib-lib/rx.c
+++ b/lib-lib/rx.c
@@ -38,6 +38,21 @@ rx_t *rx_compile(const char *s, int flags)
     return pp;
 }
 
+int rx_validate(const char *s, char *errbuf, ssize_t errlen)
+{
+    regex_t re;
+    int res;
+
+    p_clear(&re, 1);
+    res = REGCOMP(&re, NONULL(s), 0);
+    if (res) {
+        regerror(res, &re, errbuf, errlen);
+    }
+    regfree(&re);
+
+    return res;
+}
+
 void rx_set_template(rx_t *rx, const char *tpl)
 {
     const char *p = tpl;
@@ -58,13 +73,12 @@ void rx_set_template(rx_t *rx, const char *tpl)
     rx->nmatch++;     /* match 0 is always the whole expr */
 }
 
-void rx_delete(rx_t **p)
+void rx_wipe(rx_t *rx)
 {
-    p_delete(&(*p)->pattern);
-    regfree((*p)->rx);
-    p_delete(&(*p)->rx);
-    p_delete(&(*p)->template);
-    p_delete(p);
+    p_delete(&rx->pattern);
+    regfree(rx->rx);
+    p_delete(&rx->rx);
+    p_delete(&rx->template);
 }
 
 int rx_list_match(rx_t *l, const char *s)