Fixed a segfault when doing an empty gzip.deflate

waveto · Jan 14, 2010 · f27af24 · f27af24
1 parent d2a9c3b
commit f27af24
Showing 1 changed file with 5 additions and 6 deletions.
diff --git 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) {