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#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.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. 
 * 
 ***************************************************************************/ 
 
#ifndef BUILDING_LIBCURL 
/* this renames the functions so that the tool code can use the same code 
   without getting symbol collisions */ 
#define Curl_dyn_init(a,b) curlx_dyn_init(a,b) 
#define Curl_dyn_add(a,b) curlx_dyn_add(a,b) 
#define Curl_dyn_addn(a,b,c) curlx_dyn_addn(a,b,c) 
#define Curl_dyn_addf curlx_dyn_addf 
#define Curl_dyn_vaddf curlx_dyn_vaddf 
#define Curl_dyn_free(a) curlx_dyn_free(a) 
#define Curl_dyn_ptr(a) curlx_dyn_ptr(a) 
#define Curl_dyn_uptr(a) curlx_dyn_uptr(a) 
#define Curl_dyn_len(a) curlx_dyn_len(a) 
#define Curl_dyn_reset(a) curlx_dyn_reset(a) 
#define Curl_dyn_tail(a,b) curlx_dyn_tail(a,b) 
#define curlx_dynbuf dynbuf /* for the struct name */ 
#endif 
 
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; 
CURLcode Curl_dyn_vaddf(struct dynbuf *s, const char *fmt, va_list ap) 
  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); 
 
/* returns 0 on success, -1 on error */ 
/* The implementation of this function exists in mprintf.c */ 
int Curl_dyn_vprintf(struct dynbuf *dyn, const char *format, va_list ap_save); 
 
/* 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_TRAILERS     (128*1024) 
#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      4096 
#define DYN_PINGPPONG_CMD   (64*1024) 
#define DYN_IMAP_CMD        (64*1024) 
#endif