zip_set_file_extra(3)

1ZIP_SET_FILE_EXTRA(3)      Library Functions Manual      ZIP_SET_FILE_EXTRA(3)
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NAME

6       zip_set_file_extra - set extra field for file in zip
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LIBRARY

9       libzip (-lzip)
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SYNOPSIS

12       #include <zip.h>
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14       int zip_set_file_extra(struct zip *archive, zip_uint64_t index); "const
15       char *extra" "int len"
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DESCRIPTION

18       The zip_set_file_extra function sets the extra field for  the  file  at
19       position  index in the zip archive to extra of length len.  If extra is
20       NULL and len is 0, the file extra field will be removed.
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RETURN VALUES

23       Upon successful completion 0 is returned.  Otherwise,  -1  is  returned
24       and the error information in archive is set to indicate the error.
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ERRORS

27       zip_set_file_extra fails if:
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29              [ZIP_ER_INVAL]
30                  index  is  not a valid file index in archive, or len is less
31                  than 0 or longer than the maximum extra field  length  in  a
32                  zip file (65535).
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34              [ZIP_ER_MEMORY]
35                  Required memory could not be allocated.
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AUTHORS

41       Dieter Baron <dillo@giga.or.at> and Thomas Klausner <tk@giga.or.at>
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45NiH                            February 13, 2011         ZIP_SET_FILE_EXTRA(3)