man/zip_close.mdoc

.\" zip_close.mdoc -- close zip archive
.\" Copyright (C) 2003-2021 Dieter Baron and Thomas Klausner
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.Dd April 6, 2021
.Dt ZIP_CLOSE 3
.Os
.Sh NAME
.Nm zip_close
.Nd close zip archive
.Sh LIBRARY
libzip (-lzip)
.Sh SYNOPSIS
.In zip.h
.Ft int
.Fn zip_close "zip_t *archive"
.Sh DESCRIPTION
The
.Fn zip_close
function writes any changes made to
.Ar archive
to disk.
If
.Ar archive
contains no files, the file is completely removed (no empty archive is
written).
If successful,
.Ar archive
is freed.
Otherwise
.Ar archive
is left unchanged and must still be freed.
.Pp
To close and free a zip archive without saving changes, use
.Xr zip_discard 3 .
.Pp
Progress updates for GUIs can be implemented using
.Xr zip_register_progress_callback_with_state 3 .
Cancelling the write of an archive during
.Nm
can be implemented using
.Xr zip_register_cancel_callback_with_state 3 .
.Sh RETURN VALUES
Upon successful completion 0 is returned.
Otherwise, \-1 is returned and the error code in
.Ar archive
is set to indicate the error.
.Sh ERRORS
.Fn zip_close
will fail if:
.Bl -tag -width Er
.It Bq Er ZIP_ER_EOF
Unexpected end-of-file found while reading from a file.
.It Bq Er ZIP_ER_INTERNAL
The callback function of an added or replaced file returned an
error but failed to report which.
.It Bq Er ZIP_ER_INVAL
The
.Ar path
argument is
.Dv NULL .
.It Bq Er ZIP_ER_MEMORY
Required memory could not be allocated.
.It Bq Er ZIP_ER_NOZIP
File is not a zip archive.
.It Bq Er ZIP_ER_READ
A file read failed.
.It Bq Er ZIP_ER_RENAME
A temporary file could not be renamed to its final name.
.It Bq Er ZIP_ER_SEEK
A file seek failed.
.It Bq Er ZIP_ER_TMPOPEN
A temporary file could not be created.
.It Bq Er ZIP_ER_WRITE
A file write failed.
.It Bq Er ZIP_ER_ZLIB
An error occurred while (de)compressing a stream with
.Xr zlib 3 .
.El
Additionally, any errors returned by the callback function
for added or replaced files will be passed back.
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_discard 3 ,
.Xr zip_fdopen 3 ,
.Xr zip_get_error 3 ,
.Xr zip_open 3 ,
.Xr zip_register_cancel_callback_with_state 3 ,
.Xr zip_register_progress_callback_with_state 3 ,
.Xr zip_strerror 3
.Sh HISTORY
.Fn zip_close
was added in libzip 0.6.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
and
.An Thomas Klausner Aq Mt tk@giga.or.at