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mention what WRITEFUNCTION and WRITEDATA do by default

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Daniel Stenberg 2005-09-21 06:12:41 +00:00
parent e3bdb98f7a
commit 774dab58f6
1 changed files with 7 additions and 0 deletions
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7
docs/libcurl/curl_easy_setopt.3
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@ -96,6 +96,10 @@ transfer and return \fICURLE_WRITE_ERROR\fP.
This function may be called with zero bytes data if the transfered file is This function may be called with zero bytes data if the transfered file is
empty. empty.
Set this option to NULL to get the internal default function. The internal
default function will write the data to the FILE * given with
\fICURLOPT_WRITEDATA\fP.
Set the \fIstream\fP argument with the \fICURLOPT_WRITEDATA\fP option. Set the \fIstream\fP argument with the \fICURLOPT_WRITEDATA\fP option.
\fBNOTE:\fP you will be passed as much data as possible in all invokes, but \fBNOTE:\fP you will be passed as much data as possible in all invokes, but
@ -108,6 +112,9 @@ Data pointer to pass to the file write function. Note that if you specify the
don't use a callback, you must pass a 'FILE *' as libcurl will pass this to don't use a callback, you must pass a 'FILE *' as libcurl will pass this to
fwrite() when writing data. fwrite() when writing data.
The internal \fICURLOPT_WRITEFUNCTION\fP will write the data to the FILE *
given with this option, or to stdout if this option hasn't been set.
\fBNOTE:\fP If you're using libcurl as a win32 DLL, you MUST use the \fBNOTE:\fP If you're using libcurl as a win32 DLL, you MUST use the
\fICURLOPT_WRITEFUNCTION\fP if you set this option or you will experience \fICURLOPT_WRITEFUNCTION\fP if you set this option or you will experience
crashes. crashes.