1 #ifndef HEADER_CURL_DYNBUF_H
2 #define HEADER_CURL_DYNBUF_H
3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 2020 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.se/docs/copyright.html.
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
23 * SPDX-License-Identifier: curl
25 ***************************************************************************/
27 #include <curl/curl.h>
29 #ifndef BUILDING_LIBCURL
30 /* this renames the functions so that the tool code can use the same code
31 without getting symbol collisions */
32 #define Curl_dyn_init(a,b) curlx_dyn_init(a,b)
33 #define Curl_dyn_add(a,b) curlx_dyn_add(a,b)
34 #define Curl_dyn_addn(a,b,c) curlx_dyn_addn(a,b,c)
35 #define Curl_dyn_addf curlx_dyn_addf
36 #define Curl_dyn_vaddf curlx_dyn_vaddf
37 #define Curl_dyn_free(a) curlx_dyn_free(a)
38 #define Curl_dyn_ptr(a) curlx_dyn_ptr(a)
39 #define Curl_dyn_uptr(a) curlx_dyn_uptr(a)
40 #define Curl_dyn_len(a) curlx_dyn_len(a)
41 #define Curl_dyn_reset(a) curlx_dyn_reset(a)
42 #define Curl_dyn_tail(a,b) curlx_dyn_tail(a,b)
43 #define Curl_dyn_setlen(a,b) curlx_dyn_setlen(a,b)
44 #define curlx_dynbuf dynbuf /* for the struct name */
48 char *bufr; /* point to a null-terminated allocated buffer */
49 size_t leng; /* number of bytes *EXCLUDING* the null-terminator */
50 size_t allc; /* size of the current allocation */
51 size_t toobig; /* size limit for the buffer */
53 int init; /* detect API usage mistakes */
57 void Curl_dyn_init(struct dynbuf *s, size_t toobig);
58 void Curl_dyn_free(struct dynbuf *s);
59 CURLcode Curl_dyn_addn(struct dynbuf *s, const void *mem, size_t len)
61 CURLcode Curl_dyn_add(struct dynbuf *s, const char *str)
63 CURLcode Curl_dyn_addf(struct dynbuf *s, const char *fmt, ...)
65 CURLcode Curl_dyn_vaddf(struct dynbuf *s, const char *fmt, va_list ap)
67 void Curl_dyn_reset(struct dynbuf *s);
68 CURLcode Curl_dyn_tail(struct dynbuf *s, size_t trail);
69 CURLcode Curl_dyn_setlen(struct dynbuf *s, size_t set);
70 char *Curl_dyn_ptr(const struct dynbuf *s);
71 unsigned char *Curl_dyn_uptr(const struct dynbuf *s);
72 size_t Curl_dyn_len(const struct dynbuf *s);
74 /* returns 0 on success, -1 on error */
75 /* The implementation of this function exists in mprintf.c */
76 int Curl_dyn_vprintf(struct dynbuf *dyn, const char *format, va_list ap_save);
78 /* Dynamic buffer max sizes */
79 #define DYN_DOH_RESPONSE 3000
80 #define DYN_DOH_CNAME 256
81 #define DYN_PAUSE_BUFFER (64 * 1024 * 1024)
82 #define DYN_HAXPROXY 2048
83 #define DYN_HTTP_REQUEST (1024*1024)
84 #define DYN_H2_HEADERS (128*1024)
85 #define DYN_H2_TRAILERS (128*1024)
86 #define DYN_APRINTF 8000000
87 #define DYN_RTSP_REQ_HEADER (64*1024)
88 #define DYN_TRAILERS (64*1024)
89 #define DYN_PROXY_CONNECT_HEADERS 16384
90 #define DYN_QLOG_NAME 1024
91 #define DYN_H1_TRAILER 4096
92 #define DYN_PINGPPONG_CMD (64*1024)
93 #define DYN_IMAP_CMD (64*1024)