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CURLOPT_WRITEFUNCTION.3: spell out that it gets called many times

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Daniel Stenberg 2018-11-23 16:55:33 +01:00
parent a52e46f390
commit ae7a09db20
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1 changed files with 5 additions and 3 deletions
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docs/libcurl/opts/CURLOPT_WRITEFUNCTION.3
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@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" * Copyright (C) 1998 - 2018, 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
@ -35,8 +35,10 @@ Pass a pointer to your callback function, which should match the prototype
shown above.
This callback function gets called by libcurl as soon as there is data
received that needs to be saved. \fIptr\fP points to the delivered data, and
the size of that data is \fInmemb\fP; \fIsize\fP is always 1.
received that needs to be saved. For most transfers, this callback gets called
many times and each invoke delivers another chunk of data. \fIptr\fP points to
the delivered data, and the size of that data is \fInmemb\fP; \fIsize\fP is
always 1.
The callback function will be passed as much data as possible in all invokes,
but you must not make any assumptions. It may be one byte, it may be