Made RE compiled once and added memory release

1 files changed, 24 insertions, 9 deletions

diff --git a/src/rexp.c b/src/rexp.c
index 0311c44..3e51aa6 100644
--- a/src/rexp.c
+++ b/src/rexp.c
@@ -31,32 +31,47 @@ static const char id[]="$Id$";
 #include "global.h"
 #include "rexp.h"
 #include "config.h"
+#include "util.h"
 
 
 /* ---------------------------------------- INTERFACES
 */
 
-RExpStatus RExpSearch(const char *regexpr, const char *string)
+RE_Expression RECompile(const char *regexpr)
 {
-    regex_t re;
+    regex_t *re;
     int flags;
-    int res;
+
+    re=Malloc(sizeof *re);
 
     flags=REG_EXTENDED|REG_NOSUB;
 
     if (!ConfigInt(CONFIG_CASESENSE))
     	flags|=REG_ICASE;
 
-    if (regcomp(&re,regexpr,flags))
-    	return RE_BadExpression;
+    if (regcomp(re,regexpr,flags))
+    {
+    	free(re);
+	re=NULL;
+    }
+
+    return re;
+}
 
-    res=regexec(&re,string,0,NULL,0);
 
-    regfree(&re);
+int RESearch(const RE_Expression re, const char *string)
+{
+    return !regexec(re,string,0,NULL,0);
+}
 
-    /* printf("RExpSearch(%s,%s)=%d\n",regexpr,string,res); */
 
-    return res ? RE_NotFound : RE_Found;
+void REFree(RE_Expression re)
+{
+    if (re)
+    {
+	regfree(re);
+	free(re);
+    }
 }