1 files changed, 63 insertions, 0 deletions
diff --git a/lib/dynbuf.h b/lib/dynbuf.h
new file mode 100644
index 00000000..c80239e2
--- /dev/null
+++ b/lib/dynbuf.h
@@ -0,0 +1,63 @@
+#ifndef HEADER_CURL_DYNBUF_H
+#define HEADER_CURL_DYNBUF_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2020, 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
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+struct dynbuf {
+  char *bufr;    /* point to a null-terminated allocated buffer */
+  size_t leng;   /* number of bytes *EXCLUDING* the zero terminator */
+  size_t allc;   /* size of the current allocation */
+  size_t toobig; /* size limit for the buffer */
+#ifdef DEBUGBUILD
+  int init;     /* detect API usage mistakes */
+#endif
+};
+
+void Curl_dyn_init(struct dynbuf *s, size_t toobig);
+void Curl_dyn_free(struct dynbuf *s);
+CURLcode Curl_dyn_addn(struct dynbuf *s, const void *mem, size_t len)
+  WARN_UNUSED_RESULT;
+CURLcode Curl_dyn_add(struct dynbuf *s, const char *str)
+  WARN_UNUSED_RESULT;
+CURLcode Curl_dyn_addf(struct dynbuf *s, const char *fmt, ...)
+  WARN_UNUSED_RESULT;
+void Curl_dyn_reset(struct dynbuf *s);
+CURLcode Curl_dyn_tail(struct dynbuf *s, size_t trail);
+char *Curl_dyn_ptr(const struct dynbuf *s);
+unsigned char *Curl_dyn_uptr(const struct dynbuf *s);
+size_t Curl_dyn_len(const struct dynbuf *s);
+
+/* Dynamic buffer max sizes */
+#define DYN_DOH_RESPONSE    3000
+#define DYN_DOH_CNAME       256
+#define DYN_PAUSE_BUFFER    (64 * 1024 * 1024)
+#define DYN_HAXPROXY        2048
+#define DYN_HTTP_REQUEST    (128*1024)
+#define DYN_H2_HEADERS      (128*1024)
+#define DYN_H2_TRAILER      4096
+#define DYN_APRINTF         8000000
+#define DYN_RTSP_REQ_HEADER (64*1024)
+#define DYN_TRAILERS        (64*1024)
+#define DYN_PROXY_CONNECT_HEADERS 16384
+#define DYN_QLOG_NAME       1024
+#define DYN_H1_TRAILER      DYN_H2_TRAILER
+#endif