From 5f9e2ca09b57d82baf239039835b3b06dc41bbc5 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 13 Oct 2017 00:13:41 +0200
Subject: mime: fix the content reader to handle >16K data properly

Reported-by: Jeroen Ooms
Closes #1988
---
 lib/mime.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'lib/mime.c')

diff --git a/lib/mime.c b/lib/mime.c
index 1868336ca..c337a35c9 100644
--- a/lib/mime.c
+++ b/lib/mime.c
@@ -620,14 +620,13 @@ static size_t mime_mem_read(char *buffer, size_t size, size_t nitems,
 {
   curl_mimepart *part = (curl_mimepart *) instream;
   size_t sz = (size_t) part->datasize - part->state.offset;
-
   (void) size;   /* Always 1.*/
 
   if(sz > nitems)
     sz = nitems;
 
   if(sz)
-    memcpy(buffer, (char *) part->data, sz);
+    memcpy(buffer, (char *) &part->data[part->state.offset], sz);
 
   part->state.offset += sz;
   return sz;
-- 
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