From 04f59a9214e97a5076e04b61d625d8d157ce7793 Mon Sep 17 00:00:00 2001
From: Ewan Mellor <ewan@tipbit.com>
Date: Wed, 30 Apr 2014 17:08:42 -0700
Subject: [PATCH] Fix GCDWebServerParseURLEncodedForm to allow empty values.

If the input string is something like foo=&bar= then both foo and bar
should be in the result, with the empty string as their corresponding value.

The [scanner scanUpToString:@"&" ...] call was returning failure, because
it was already positioned at the &.  In this situation, just set value to the
empty string.
---
 GCDWebServer/Core/GCDWebServerFunctions.m | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/GCDWebServer/Core/GCDWebServerFunctions.m b/GCDWebServer/Core/GCDWebServerFunctions.m
index ba82264..25f47ac 100644
--- a/GCDWebServer/Core/GCDWebServerFunctions.m
+++ b/GCDWebServer/Core/GCDWebServerFunctions.m
@@ -198,8 +198,9 @@ NSDictionary* GCDWebServerParseURLEncodedForm(NSString* form) {
     [scanner setScanLocation:([scanner scanLocation] + 1)];
     
     NSString* value = nil;
-    if (![scanner scanUpToString:@"&" intoString:&value]) {
-      break;
+    [scanner scanUpToString:@"&" intoString:&value];
+    if (value == nil) {
+      value = @"";
     }
     
     key = [key stringByReplacingOccurrencesOfString:@"+" withString:@" "];