NAME

       zip_source_zip - create data source from zip file

LIBRARY

       libzip (-lzip)

SYNOPSIS

       #include <zip.h>

       struct  zip_source  *  zip_source_zip(struct zip *archive, struct zip *srcarchive); "zip_uint64_t srcidx"
       "int flags" "zip_uint64_t start" "zip_int64_t len"

DESCRIPTION

       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.

RETURN VALUES

       Upon successful completion, the created source is returned.  Otherwise, NULL is returned  and  the  error
       code in archive is set to indicate the error.

ERRORS

       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.

SEE ALSO

       libzip(3),  zip_add(3),  zip_replace(3),  zip_source_buffer(3),  zip_source_file(3), zip_source_filep(3),
       zip_source_free(3), zip_source_function(3)

AUTHORS

       Dieter Baron <dillo@giga.or.at> and Thomas Klausner <tk@giga.or.at>

NiH                                               June 4, 2008                                 ZIP_SOURCE_ZIP(3)