blob: bb29412e56a51ae42e9e9ecbbc8837d313f57dbd [file] [log] [blame]
Thomas Klausner76382352014-11-18 15:02:36 +01001.\" ZIP_SOURCE_GET_ARGS -- validate and cast arguments to source callback
2.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
3.\"
4.\" This file is part of libzip, a library to manipulate ZIP archives.
5.\" The authors can be contacted at <libzip@nih.at>
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32.Dd October 30, 2014
33.Dt ZIP_SOURCE_GET_ARGS 3
34.Os
35.Sh NAME
36.Nm ZIP_SOURCE_GET_ARGS
37.Nd validate and cast arguments to source callback
38.Sh LIBRARY
39libzip (-lzip)
40.Sh SYNOPSIS
41.In zip.h
42.Ft type *
43.Fn ZIP_SOURCE_GET_ARGS "type" "void *data" "zip_uint64_t len" "zip_error_t *error"
44.Sh DESCRIPTION
45The
46.Fn ZIP_SOURCE_GET_ARGS
47macro casts
48.Ar data
49to a pointer to
50.Ar type .
51.Sh RETURN VALUES
52On success,
53.Fn ZIP_SOURCE_GET_ARGS
Thomas Klausner22f2a372014-11-18 15:15:30 +010054returns
Thomas Klausner76382352014-11-18 15:02:36 +010055.Ar data .
Thomas Klausner47617c72014-11-18 15:12:38 +010056In case of error, it returns
Thomas Klausner22f2a372014-11-18 15:15:30 +010057.Dv NULL
Thomas Klausner76382352014-11-18 15:02:36 +010058and sets
59.Ar error .
60.Sh ERRORS
61.Fn ZIP_SOURCE_GET_ARGS
62fails if:
63.Bl -tag -width Er
64.It Bq Er ZIP_ER_INVAL
65.Ar len
66is less than the size of
67.Ar type
68.El
69.Sh SEE ALSO
70.Xr libzip 3 ,
71.Xr zip_source_function 3
72.Sh AUTHORS
73.An -nosplit
74.An Dieter Baron Aq Mt dillo@nih.at
75and
76.An Thomas Klausner Aq Mt tk@giga.or.at