zip_get_file_extra(3) [centos man page]
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)
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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)