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Update the copy_file_range man page to reflect the semantic change

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done by r354574.

This is a content change.
This commit is contained in:
Rick Macklem 2019-11-10 01:13:41 +00:00
parent 48e4857859
commit 51e069ac10
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=354575
1 changed files with 14 additions and 1 deletions
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15
lib/libc/sys/copy_file_range.2
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@ -25,12 +25,13 @@
.\"
.\" $FreeBSD$
.\"
.Dd November 8, 2019
.Dd November 9, 2019
.Dt COPY_FILE_RANGE 2
.Os
.Sh NAME
.Nm copy_file_range
.Nd kernel copy of a byte range from one file to another
or within one file
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
@ -61,6 +62,14 @@ It may do this using a file system specific technique if
and
.Fa outfd
are on the same file system.
If
.Fa infd
and
.Fa outfd
refer to the same file, the byte ranges defined by
the input file offset, output file offset and
.Fa len
cannot overlap.
The
.Fa infd
argument must be opened for reading and the
@ -162,6 +171,10 @@ and
.Fa outoffp
are reset to the initial values for the system call.
.It Bq Er EINVAL
.Fa infd
and
.Fa outfd
refer to the same file and the byte ranges overlap or
.Fa
flags
is not zero.