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fopencookie.3: Correct description of return for user-supplied 'write' function 

See http://sourceware.org/bugzilla/show_bug.cgi?id=2074

Reported-by: Petr Baudis <pasky@ucw.cz>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2012-04-30 13:09:01 +12:00
parent d865ce2de1
commit 6cfe62252d
1 changed files with 3 additions and 2 deletions
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5
man3/fopencookie.3
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@ -21,7 +21,7 @@
.\" Formatted or processed versions of this manual, if unaccompanied by .\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work. .\" the source, must acknowledge the copyright and authors of this work.
.\" .\"
.TH FOPENCOOKIE 3 2008-12-05 "Linux" "Linux Programmer's Manual" .TH FOPENCOOKIE 3 2012-04-30 "Linux" "Linux Programmer's Manual"
.SH NAME .SH NAME
fopencookie \- opening a custom stream fopencookie \- opening a custom stream
.SH SYNOPSIS .SH SYNOPSIS
@ -158,7 +158,8 @@ As its function result, the
.I write .I write
function should return the number of bytes copied from function should return the number of bytes copied from
.IR buf , .IR buf ,
or \-1 on error. or 0 on error.
(The function must not return a negative value.)
The The
.I write .I write
function should update the stream offset appropriately. function should update the stream offset appropriately.