From f27af24cf8b2e4a275623aa70ff0b65958e9cb96 Mon Sep 17 00:00:00 2001
From: Rhys Jones <rhys@wave.to>
Date: Thu, 14 Jan 2010 15:42:30 +0000
Subject: [PATCH] Fixed a segfault when doing an empty gzip.deflate

---
 compress.cc | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/compress.cc b/compress.cc
index dc60419..5a72f33 100644
--- a/compress.cc
+++ b/compress.cc
@@ -45,13 +45,13 @@ class Gzip : public EventEmitter {
     char* temp;
     int i=1;
 
-    if (data_len == 0)
-      return 0;
-
     *out = NULL;
     *out_len = 0;
     ret = 0;
 
+    if (data_len == 0)
+      return 0;
+
     while(data_len>0) {    
       if (data_len>CHUNK) {
 	strm.avail_in = CHUNK;
@@ -244,12 +244,11 @@ class Gunzip : public EventEmitter {
     char* temp;
     int i=1;
 
-    if (data_len == 0)
-      return 0;
-
     *out = NULL;
     *out_len = 0;
 
+    if (data_len == 0)
+      return 0;
 
     while(data_len>0) {    
       if (data_len>CHUNK) {