From 6fe0de0639fe3163376acfb3dad75e2264a88363 Mon Sep 17 00:00:00 2001
From: Flaviu Tamas <tamasflaviu@gmail.com>
Date: Sat, 10 Jan 2015 20:54:36 -0500
Subject: Fix incorrect check

pcre_study can return nil and still succeed
The indicator of failure is a non-nil error message
---
 src/nre.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/nre.nim')

diff --git a/src/nre.nim b/src/nre.nim
index 92cc7bbf4..29313e9eb 100644
--- a/src/nre.nim
+++ b/src/nre.nim
@@ -249,7 +249,7 @@ proc initRegex*(pattern: string, options = "Sx"): Regex =
   if opts.study:
     # XXX investigate JIT
     result.pcreExtra = pcre.study(result.pcreObj, 0x0, addr errorMsg)
-    if result.pcreExtra == nil:
+    if errorMsg != nil:
       raise StudyError(msg: $errorMsg)
 
   result.captureNameToId = result.getNameToNumberTable()
-- 
cgit 1.4.1-2-gfad0