Merge branch 'upstream-curl' into update-curl

* upstream-curl:
  curl 2022-10-26 (cd95ee9f)

1 files changed, 18 insertions, 3 deletions

diff --git a/Utilities/cmcurl/lib/dynbuf.c b/Utilities/cmcurl/lib/dynbuf.c
index ada7e0ccf5..0b1cf9afd8 100644
--- a/Utilities/cmcurl/lib/dynbuf.c
+++ b/Utilities/cmcurl/lib/dynbuf.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2020 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -18,6 +18,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 
 #include "curl_setup.h"
@@ -126,7 +128,6 @@ void Curl_dyn_reset(struct dynbuf *s)
   s->leng = 0;
 }
 
-#ifdef USE_NGTCP2
 /*
  * Specify the size of the tail to keep (number of bytes from the end of the
  * buffer). The rest will be dropped.
@@ -151,7 +152,6 @@ CURLcode Curl_dyn_tail(struct dynbuf *s, size_t trail)
   return CURLE_OK;
 
 }
-#endif
 
 /*
  * Appends a buffer with length.
@@ -253,3 +253,18 @@ size_t Curl_dyn_len(const struct dynbuf *s)
   DEBUGASSERT(!s->leng || s->bufr);
   return s->leng;
 }
+
+/*
+ * Set a new (smaller) length.
+ */
+CURLcode Curl_dyn_setlen(struct dynbuf *s, size_t set)
+{
+  DEBUGASSERT(s);
+  DEBUGASSERT(s->init == DYNINIT);
+  DEBUGASSERT(!s->leng || s->bufr);
+  if(set > s->leng)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+  s->leng = set;
+  s->bufr[s->leng] = 0;
+  return CURLE_OK;
+}