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.\" $NiH: zip_add.mdoc,v 1.9 2005/06/09 21:14:54 wiz Exp $
.\"
.\" zip_add.mdoc -- add files to zip archive
.\" Copyright (C) 2004, 2005, 2006 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <nih@giga.or.at>
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.Dd April 9, 2006
.Dt ZIP_ADD 3
.Os
.Sh NAME
.Nm zip_add ,
.Nm zip_replace
.Nd add file to zip archive or replace file in zip archive
.Sh LIBRARY
libzip (-lzip)
.Sh SYNOPSIS
.In zip.h
.Ft int
.Fn zip_add "struct zip *archive" "const char *name" \
"struct zip_source *source"
.Ft int
.Fn zip_replace "struct zip *archive" "int index" \
"struct zip_source *source"
.Sh DESCRIPTION
The function
.Fn zip_add
adds a file to a zip archive, while
.Fn zip_replace
replaces an existing file in a zip archive.
The argument
.Ar archive
specifies the zip archive to which the file should be added.
.Ar name
is the file's name in the zip archive (for
.Fn zip_add ) ,
while
.Ar index
specifies which file should be replaced (for
.Fn zip_replace ) .
The data is obtained from the
.Ar source
argument.
See the
.Fn zip_source_*
functions cited in
.Sx SEE ALSO .
.Sh RETURN VALUES
Upon successful completion, the index of the new file in the archive
is returned.
Otherwise, \-1 is returned and the error code in
.Ar archive
is set to indicate the error.
.Sh EXAMPLES
.Bd -literal -offset indent
struct zip_source *s;
if ((s=zip_source_buffer(archive, buffer, len)) == NULL ||
zip_add(archive, name, s) \*[Lt] 0) {
zip_source_free(s);
printf("error adding file: %s\n", zip_strerror(archive));
}
.Ed
.Sh ERRORS
.Fn zip_add
and
.Fn zip_replace
fail if:
.Bl -tag -width Er
.It Bq Er ZIP_ER_EXISTS
There is already a file called
.Ar name
in the archive.
(Only applies to
.Fn zip_add ) .
.It Bq Er ZIP_ER_INVAL
.Ar source
or
.Ar name
are
.Dv NULL ,
or
.Ar index
is invalid.
.It Bq Er ZIP_ER_MEMORY
Required memory could not be allocated.
.El
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_source_file 3 ,
.Xr zip_source_filep 3 ,
.Xr zip_source_function 3 ,
.Xr zip_source_zip 3
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq dillo@giga.or.at
and
.An Thomas Klausner Aq tk@giga.or.at