From d2d35d8ac586beeb6ec741567488925cb045efd1 Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Sun, 9 Dec 2018 19:54:38 +0100
Subject: [PATCH] If requested size is < 0, return 80px image.

---
 src/http.cpp           | 8 ++++----
 src/libravatarserv.hpp | 3 ++-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/http.cpp b/src/http.cpp
index 79eb711..1bbf852 100644
--- a/src/http.cpp
+++ b/src/http.cpp
@@ -39,7 +39,7 @@ const Request http::parse_request(const string &request)
         std::exit(1);
     }
 
-    uint16_t size = 80;
+    int16_t size = 80;
     string fallback;
     string digest = request.substr(8);
     std::transform(digest.begin(), digest.end(), digest.begin(), ::tolower);
@@ -54,7 +54,7 @@ const Request http::parse_request(const string &request)
             {
                 try
                 {
-                    size = static_cast<uint16_t>(std::stoul(answer));
+                    size = static_cast<int16_t>(std::stoul(answer));
                 } catch (const std::exception &) {}
             }
             else
@@ -64,7 +64,7 @@ const Request http::parse_request(const string &request)
                 {
                     try
                     {
-                        size = static_cast<uint16_t>(std::stoul(answer));
+                        size = static_cast<int16_t>(std::stoul(answer));
                     } catch (const std::exception &) {}
                 }
             }
@@ -72,7 +72,7 @@ const Request http::parse_request(const string &request)
             {
                 size = 512;
             }
-            if (size == 0)
+            else if (size <= 0)
             {
                 size = 80;
             }
diff --git a/src/libravatarserv.hpp b/src/libravatarserv.hpp
index 7f78e6c..5352dae 100644
--- a/src/libravatarserv.hpp
+++ b/src/libravatarserv.hpp
@@ -34,6 +34,7 @@
 using std::string;
 using std::uint16_t;
 using std::uint8_t;
+using std::int8_t;
 
 int main();
 
@@ -56,7 +57,7 @@ namespace http  // http.cpp
     struct Request
     {
         const string digest;
-        const uint16_t size;
+        const int16_t size;
         string fallback;
     };