curl/lib/dynbuf.h

89 строки
3.5 KiB
C

#ifndef HEADER_CURL_DYNBUF_H
#define HEADER_CURL_DYNBUF_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2020, 2021, 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 (1024*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