Commit d9a1a59f authored by Daniel Stenberg's avatar Daniel Stenberg
Browse files

CURL_MAX_WRITE_SIZE is a new exported define that informs about the biggest 

sized buffer that may be passed to a write callback
parent 0b898b5a

docs/libcurl/curl_easy_setopt.3

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@@ -2,7 +2,7 @@ 
.\" nroff -man [file]

.\" $Id$

.\"

.TH curl_easy_setopt 3 "30 Apr 2002" "libcurl 7.9.6" "libcurl Manual"

.TH curl_easy_setopt 3 "3 May 2002" "libcurl 7.9.6" "libcurl Manual"

.SH NAME

curl_easy_setopt - Set curl easy-session options

.SH SYNOPSIS
@@ -60,7 +60,8 @@ Set the \fIstream\fP argument with the \fBCURLOPT_FILE\fP option. 


\fBNOTE:\fP you will be passed as much data as possible in all invokes, but

you cannot possibly make any assumptions. It may be one byte, it may be

thousands.

thousands. The maximum amount of data that can be passed to the write callback

is defined in the curl.h header file: CURL_MAX_WRITE_SIZE.

.TP

.B CURLOPT_INFILE

Data pointer to pass to the file read function. Note that if you specify the

include/curl/curl.h

+2 −0
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@@ -86,6 +86,8 @@ typedef int (*curl_progress_callback)(void *clientp, 
                                      double ultotal,

                                      double ulnow);



#define CURL_MAX_WRITE_SIZE 20480



typedef size_t (*curl_write_callback)(char *buffer,

                                      size_t size,

                                      size_t nitems,

lib/urldata.h

+1 −1
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@@ -83,7 +83,7 @@ 
#include "http_chunks.h" /* for the structs and enum stuff */



/* Download buffer size, keep it fairly big for speed reasons */

#define BUFSIZE (1024*20)

#define BUFSIZE CURL_MAX_WRITE_SIZE



/* Initial size of the buffer to store headers in, it'll be enlarged in case

   of need. */