libmicrohttpd2

commit 1d164613b04e391f0ef93c66665e91da62b3a192
parent a8d2956096874354248f1dcdb86112dd2e7a6606
Author: Evgeny Grin (Karlson2k) <k2k@drgrin.dev>
Date:   Wed, 31 Dec 2025 16:26:11 +0100

Corrected handling buffer shortage at early stages

Diffstat:
M
src/mhd2/stream_funcs.c
 | 
19
+++++++++++--------

1 file changed, 11 insertions(+), 8 deletions(-)
diff --git a/src/mhd2/stream_funcs.c b/src/mhd2/stream_funcs.c
@@ -327,21 +327,24 @@ mhd_stream_get_no_space_err_status_code (struct MHD_Connection *restrict c,
   size_t opt_headers_size;
   size_t host_field_line_size;
 
-  mhd_assert (mhd_HTTP_STAGE_REQ_LINE_RECEIVED < c->stage);
-  mhd_assert (MHD_PROC_RECV_HEADERS <= stage);
   mhd_assert ((0 == add_element_size) || (NULL != add_element));
 
   c->rq.too_large = true;
 
-  if (mhd_HTTP_STAGE_HEADERS_RECEIVED > c->stage)
+  if (mhd_HTTP_STAGE_REQ_LINE_RECEIVED < c->stage)
   {
-    mhd_assert (NULL != c->rq.field_lines.start);
-    opt_headers_size =
-      (size_t) ((c->read_buffer + c->read_buffer_offset)
-                - c->rq.field_lines.start);
+    if (mhd_HTTP_STAGE_HEADERS_RECEIVED > c->stage)
+    {
+      mhd_assert (NULL != c->rq.field_lines.start);
+      opt_headers_size =
+        (size_t) ((c->read_buffer + c->read_buffer_offset)
+                  - c->rq.field_lines.start);
+    }
+    else
+      opt_headers_size = c->rq.field_lines.size;
   }
   else
-    opt_headers_size = c->rq.field_lines.size;
+    opt_headers_size = 0u;
 
   /* The read buffer is fully used by the request line, the field lines
      (headers) and internal information.