Manpages - zip_file_get_external_attributes.3

libzip (-lzip)

The

function returns the operating system and external attributes for the file at position

in the zip archive. The external attributes usually contain the operating system-specific file permissions. If

is set to

the original unchanged values are returned. If

are

they are not filled in.

The following operating systems are defined by the zip specification:

(uncommon, use

instead)

The defines above follow the PKWARE Inc. Appnote; please note that the InfoZIP Appnote has a slightly different mapping.

Upon successful completion, 0 is returned. In case of an error,

is returned and the error code in

is set to indicate the error.

The following code can be used to expand

if the operating system is

#include <sys/stat.h>

#define FA_RDONLY 0x01 / FILE_ATTRIBUTE_READONLY #define FA_DIREC 0x10 / FILE_ATTRIBUTE_DIRECTORY

static mode_t _zip_dos_attr2mode(zip_uint32_t attr) { mode_t m = S_IRUSR

S_IRGRP	S_IROTH; if (0 == (attr & FA_RDONLY)) m	= S_IWUSR	S_IWGRP
S_IWOTH;

if (attr & FA_DIREC) m = (S_IFDIR | (m & ~S_IFMT)) | S_IXUSR | S_IXGRP | S_IXOTH;

return m; }

fails if:

is not a valid file index in

was added in libzip 0.11.2.

and