libmicrohttpd

commit cbdf2fe105126821b605098c5fc0d9e0b4b51341
parent 329c4705969983805541d9ed754313574b86ace1
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
Date:   Tue,  9 Jun 2015 19:34:21 +0000

response.c: file_reader(): reduce read size if buffer is too large

Diffstat:
M
src/microhttpd/response.c
 | 
11
+++++++++++

1 file changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/microhttpd/response.c b/src/microhttpd/response.c
@@ -343,7 +343,18 @@ file_reader (void *cls, uint64_t pos, char *buf, size_t max)
     return MHD_CONTENT_READER_END_WITH_ERROR; /* can't seek to required position */
 #endif
 
+#ifndef _WIN32
+  if (max > SSIZE_MAX)
+    max = SSIZE_MAX;
+
   n = read (response->fd, buf, max);
+#else  /* _WIN32 */
+  if (max > INT32_MAX)
+    max = INT32_MAX;
+
+  n = read (response->fd, buf, (unsigned int)max);
+#endif /* _WIN32 */
+
   if (0 == n)
     return MHD_CONTENT_READER_END_OF_STREAM;
   if (n < 0)