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.TH "NTFS_RL_SPLIT" "" "06 October 2005" "" ""

.SH NAME
ntfs_rl_split \- insert a run list into the centre of a hole
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
run_list_element * ntfs_rl_split  (run_list_element * \fIdst\fB, int \fIdsize\fB, run_list_element * \fIsrc\fB, int \fIssize\fB, int \fIloc\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIdst\fB\fR
original run list to be worked on
.TP
\fB\fIdsize\fB\fR
number of elements in \fIdst\fR (including end marker)
.TP
\fB\fIsrc\fB\fR
new run list to be inserted
.TP
\fB\fIssize\fB\fR
number of elements in \fIsrc\fR (excluding end marker)
.TP
\fB\fIloc\fB\fR
index in run list \fIdst\fR at which to split and insert \fIsrc\fR
.SH "DESCRIPTION"
.PP
Split the run list \fIdst\fR at \fIloc\fR into two and insert \fInew\fR in between the two
fragments. No merging of run lists is necessary. Adjust the size of the
holes either side.
.PP
It is up to the caller to serialize access to the run lists \fIdst\fR and \fIsrc\fR\&.
.PP
On success, return a pointer to the new, combined, run list. Note, both
run lists \fIdst\fR and \fIsrc\fR are deallocated before returning so you cannot use
the pointers for anything any more. (Strictly speaking the returned run list
may be the same as \fIdst\fR but this is irrelevant.)
.PP
On error, return -errno. Both run lists are left unmodified. The following
.SH "ERROR CODES ARE DEFINED"
.PP
-ENOMEM - Not enough memory to allocate run list array.
-EINVAL - Invalid parameters were passed in.