From 1f6ada5d53d8e6e5848d7dbb900f2634405dcf8b Mon Sep 17 00:00:00 2001
From: Motti Shneor <motti.shneor@gmail.com>
Date: Mon, 11 Jan 2016 23:16:38 +0200
Subject: [PATCH] Fixed a crushing (exception) bug when nil fields were sent to
 the exporter.

---
 CHCSVParser/CHCSVParser/CHCSVParser.m | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CHCSVParser/CHCSVParser/CHCSVParser.m b/CHCSVParser/CHCSVParser/CHCSVParser.m
index 7c8cf34..020dfca 100644
--- a/CHCSVParser/CHCSVParser/CHCSVParser.m
+++ b/CHCSVParser/CHCSVParser/CHCSVParser.m
@@ -646,7 +646,7 @@ - (void)writeField:(id)field {
     }
     
     if (_currentLine == 0) {
-        [_firstLineKeys addObject:field];
+        [_firstLineKeys addObject:field?:@""];
     }
     
     NSString *string = field ? [field description] : @"";
@@ -740,7 +740,7 @@ - (void)parser:(CHCSVParser *)parser didEndLine:(NSUInteger)recordNumber {
 }
 
 - (void)parser:(CHCSVParser *)parser didReadField:(NSString *)field atIndex:(NSInteger)fieldIndex {
-    [self.currentLine addObject:field];
+    [self.currentLine addObject:field?:@""];
 }
 
 - (void)parser:(CHCSVParser *)parser didFailWithError:(NSError *)error {