postprocessor: added asserts in process_value()

1 files changed, 4 insertions, 0 deletions

diff --git a/src/microhttpd/postprocessor.c b/src/microhttpd/postprocessor.c
index 3a19af02..74f50af5 100644
--- a/src/microhttpd/postprocessor.c
+++ b/src/microhttpd/postprocessor.c
@@ -355,6 +355,10 @@ process_value (struct MHD_PostProcessor *pp,
   size_t xoff;
 
   mhd_assert (pp->xbuf_pos < sizeof (xbuf));
+  /* 'value_start' and 'value_end' must be either both non-NULL or both NULL */
+  mhd_assert ( (NULL == value_start) || (NULL != value_end) );
+  mhd_assert ( (NULL != value_start) || (NULL == value_end) );
+  mhd_assert ( (NULL == last_escape) || (NULL != value_start) );
   /* move remaining input from previous round into processing buffer */
   memcpy (xbuf,
           pp->xbuf,