zip_set_file_extra(3) [debian man page]

ZIP_SET_FILE_EXTRA(3)					     Library Functions Manual					     ZIP_SET_FILE_EXTRA(3)

NAME

       zip_set_file_extra - set extra field for file in zip

LIBRARY

       libzip (-lzip)

SYNOPSIS

       #include <zip.h>

       int zip_set_file_extra(struct zip *archive, zip_uint64_t index); "const char *extra" "int len"

DESCRIPTION

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

RETURN VALUES

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

ERRORS

       zip_set_file_extra fails if:

	      [ZIP_ER_INVAL]
		  index is not a valid file index in archive, or len is less than 0 or longer than the maximum extra field length in  a  zip  file
		  (65535).

	      [ZIP_ER_MEMORY]
		  Required memory could not be allocated.

SEE ALSO

       libzip(3), zip_get_file_extra(3)

AUTHORS

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

NiH								 February 13, 2011					     ZIP_SET_FILE_EXTRA(3)

ZIP_GET_FILE_EXTRA(3)					     Library Functions Manual					     ZIP_GET_FILE_EXTRA(3)

NAME

       zip_get_file_extra - get extra field for file in zip

LIBRARY

       libzip (-lzip)

SYNOPSIS

       #include <zip.h>

       const char * zip_get_file_extra(struct zip *archive, zip_uint64_t index); "int *lenp" "int flags"

DESCRIPTION

       The zip_get_file_extra function returns the extra field for the file at position index in the zip archive.  This pointer should not be mod-
       ified or free(3) Ap d.  If lenp is not NULL, the integer to which it points will be set to the length of the extra.  If	flags  is  set	to
       ZIP_FL_UNCHANGED, the original unchanged extra field is returned.

RETURN VALUES

       Upon  successful  completion,  a  pointer to the extra field is returned, or NULL if there is no extra field.  In case of an error, NULL is
       returned and the error code in archive is set to indicate the error.

ERRORS

       zip_get_file_extra fails if:

	      [ZIP_ER_INVAL]
		  index is not a valid file index in archive.

SEE ALSO

       libzip(3), zip_set_file_extra(3)

AUTHORS

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

NiH								 February 13, 2011					     ZIP_GET_FILE_EXTRA(3)