.\" zip_register_progress_callback.mdoc -- provide updates during zip_close
.\" Copyright (C) 2016-2017 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
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.Dd December 18, 2017
.Dt ZIP_REGISTER_PROGRESS_CALLBACK 3
.Os
.Sh NAME
.Nm zip_register_progress_callback
.Nd provide updates during zip_close (obsolete interface)
.Sh LIBRARY
libzip (-lzip)
.Sh SYNOPSIS
.In zip.h
.Vt typedef void (*zip_progress_callback_t)(double);
.Ft void
.Fn zip_register_progress_callback "zip_t *archive" "zip_progress_callback_t progress_callback"
.Sh DESCRIPTION
The function
.Fn zip_register_progress_callback
is the obsolete version of
.Xr zip_register_progress_callback_with_state 3 .
.Pp
The
.Fn zip_register_progress_callback
function registers a callback function
.Ar progress_callback
for the zip archive
.Ar archive .
This function is called during
.Xr zip_close 3
after every zip archive entry that's completely written to disk.
The value is a
.Vt double
in the range from 0.0 to 1.0.
This can be used to provide progress indicators for user interfaces.
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_close 3
.Sh HISTORY
.Fn zip_register_progress_callback
was added in libzip 1.2.0.
It was deprecated in libzip 1.3.0, use
.Fn zip_register_progress_callback_with_state
instead.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
and
.An Thomas Klausner Aq Mt tk@giga.or.at