From f9eedbbff4bd31280acdfc855828fbf0cdfc9410 Mon Sep 17 00:00:00 2001
From: notfresh <1195056983@qq.com>
Date: Thu, 22 Jan 2026 11:05:01 +0800
Subject: [PATCH 1/3] fix #1040:  append the last crlf  if miss for multipart
 data

---
 include/crow/multipart.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/crow/multipart.h b/include/crow/multipart.h
index 24040c962..a780cab01 100644
--- a/include/crow/multipart.h
+++ b/include/crow/multipart.h
@@ -178,7 +178,10 @@ namespace crow
             void parse_body(std::string body)
             {
                 std::string delimiter = dd + boundary;
-
+                if(!body.ends_with(crlf))
+                {
+                    body += crlf;
+                }
                 // TODO(EDev): Exit on error
                 while (body != (crlf))
                 {

From dc1b0df1422ca2ce13aa6c60f18b7881c6034306 Mon Sep 17 00:00:00 2001
From: notfresh <1195056983@qq.com>
Date: Thu, 22 Jan 2026 11:42:16 +0800
Subject: [PATCH 2/3] fix #1040:  append the last crlf  if miss for multipart
 data with self-implemented end_with

---
 include/crow/multipart.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/crow/multipart.h b/include/crow/multipart.h
index a780cab01..448471365 100644
--- a/include/crow/multipart.h
+++ b/include/crow/multipart.h
@@ -175,10 +175,21 @@ namespace crow
                 return std::string();
             }
 
+            // cpp17(cpp 20 have) does not have ends_with, so we need to implement it ourselves
+            bool ends_with(const std::string& str, const std::string& suffix) {
+                if (suffix.size() > str.size()) return false;
+                return std::equal(suffix.rbegin(), suffix.rend(), str.rbegin());
+            }
+            
+            // reload for char* suffix
+            bool ends_with(const std:: string& str, const char* suffix) {
+                return ends_with(str, std::string(suffix));
+            }
+
             void parse_body(std::string body)
             {
                 std::string delimiter = dd + boundary;
-                if(!body.ends_with(crlf))
+                if(!ends_with(body, crlf))
                 {
                     body += crlf;
                 }

From 31bdcc92fae92060a8935757e5a0010b9b3fdbdf Mon Sep 17 00:00:00 2001
From: notfresh <1195056983@qq.com>
Date: Thu, 22 Jan 2026 11:50:16 +0800
Subject: [PATCH 3/3] fix: keep ends_with simple

---
 include/crow/multipart.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/include/crow/multipart.h b/include/crow/multipart.h
index 448471365..ae2cdc189 100644
--- a/include/crow/multipart.h
+++ b/include/crow/multipart.h
@@ -181,11 +181,6 @@ namespace crow
                 return std::equal(suffix.rbegin(), suffix.rend(), str.rbegin());
             }
             
-            // reload for char* suffix
-            bool ends_with(const std:: string& str, const char* suffix) {
-                return ends_with(str, std::string(suffix));
-            }
-
             void parse_body(std::string body)
             {
                 std::string delimiter = dd + boundary;