zip_source_zip —
create data source from zip file
libzip (-lzip)
#include
<zip.h>
zip_source_t *
zip_source_zip(
zip_t
*archive,
zip_t
*srcarchive,
zip_uint64_t
srcidx,
zip_flags_t
flags,
zip_uint64_t
start,
zip_int64_t
len);
The function
zip_source_zip() creates a zip
source from a file in a zip archive. The
srcarchive argument is the (open) zip archive
containing the source zip file at index
srcidx.
len
bytes from offset
start will be used in the
zip_source. If
len is 0 or -1, the rest of
the file, starting from
start, is used. If
start is zero and
len is -1, the whole file will be copied
without decompressing it.
Supported flags are:
-
-
ZIP_FL_UNCHANGED- Try to get the original data without any changes that may have been made
to srcarchive after opening it.
-
-
ZIP_FL_RECOMPRESS- When adding the data from srcarchive,
re-compress it using the current settings instead of copying the
compressed data.
Upon successful completion, the created source is returned. Otherwise,
NULL is returned and the error code in
archive is set to indicate the error.
zip_source_zip() fails if:
-
-
- [
ZIP_ER_CHANGED]
- Unchanged data was requested, but it is not available.
-
-
- [
ZIP_ER_INVAL]
- srcarchive,
srcidx,
start, or
len are invalid.
-
-
- [
ZIP_ER_MEMORY]
- Required memory could not be allocated.
Additionally, it can return all error codes from
zip_stat_index() and
zip_fopen_index().
libzip(3),
zip_file_add(3),
zip_file_replace(3),
zip_source(3)
zip_source_zip() was added in libzip 1.0.
Dieter Baron
<
dillo@nih.at>
and
Thomas Klausner
<
tk@giga.or.at>