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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
.\" 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
fopencookie \- opening a custom stream
.SH SYNOPSIS
@ -158,7 +158,8 @@ As its function result, the
.I write
function should return the number of bytes copied from
.IR buf ,
or \-1 on error.
or 0 on error.
(The function must not return a negative value.)
The
.I write
function should update the stream offset appropriately.