gd_protection - Man Page
report the protection level of a Dirfile fragment
Synopsis
#include <getdata.h>
int gd_protection(DIRFILE *dirfile, int fragment_index);
Description
The gd_protection() function queries a dirfile(5) database specified by dirfile and determines the advisory protection level for the fragment indexed by fragment_index.
Return Value
Upon successful completion, gd_protection() returns a non-negative integer indicating the the advisory protection level of the specified fragment. This integer will equal one of the following symbols:
GD_PROTECT_NONE, GD_PROTECT_FORMAT, GD_PROTECT_DATA, GD_PROTECT_ALL.
The meaning of these symbols are explained in the gd_alter_protection(3) man page. On error, it returns a negative-valued error code. Possible error codes are:
- GD_E_BAD_DIRFILE
The supplied dirfile was invalid.
- GD_E_BAD_INDEX
The supplied index was out of range.
The error code is also stored in the DIRFILE object and may be retrieved after this function returns by calling gd_error(3). A descriptive error string for the error may be obtained by calling gd_error_string(3).
History
The get_protection() function appeared in GetData-0.5.0.
In GetData-0.7.0 this function was renamed to gd_protection().
In GetData-0.10.0, the error return from this function changed from -1 to a negative-valued error code.
See Also
gd_open(3), gd_alter_protection(3), gd_error(3), gd_error_string(3), dirfile(5), dirfile-format(5)