dirfile_protect (3) Linux Manual Page
NAME
dirfile_protect — modify the protection level of a dirfile fragment
SYNOPSIS
#include <getdata.h>
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int dirfile_protect(DIRFILE *dirfile, intprotection_level, intfragment_index);
DESCRIPTION
dirfile_protect() function sets the advisory protection level of the format file fragment specified by fragment_index to protection_level in the dirfile(5) database specified by dirfile.
The protection_level argument should be one of the following:
GD_PROTECT_NONE- Indicating that the fragment should not be protected at all.
GD_PROTECT_FORMAT- Indicating that the fragment’s metadata should be protected.
GD_PROTECT_DATA- Indicating that the fragment’s binary data should be protected.
GD_PROTECT_ALL- Indicating that both the fragment’s metadata and its binary data should be protected. This symbol is equivalent to the bitwise or of
GD_PROTECT_FORMATandGD_PROTECT_DATA. In addition to being simply a valid fragment index, fragment_index may also be the special valueGD_ALL_FRAGMENTS, which indicates that the protection level of all fragments in the database should be changed.
RETURN VALUE
Upon successful completion, dirfile_protect() returns zero. On error, it returns -1 and sets the dirfile error to a non-zero error value. Possible error values are:
GD_E_ACCMODE- The specified dirfile was opened read-only.
GD_E_BAD_DIRFILE- The supplied dirfile was invalid.
GD_E_BAD_INDEX- The supplied index was out of range.
GD_E_BAD_PROTECTION- The supplied protection level was invalid. The dirfile error may be retrieved by calling
get_error(3). A descriptive error string for the last error encountered can be obtained from a call toget_error_string(3).
NOTES
This is the only GetData function which ignores the (existing) protection level of a format file fragment.
SEE ALSO
dirfile_open(3), getdata(3), get_error(3), get_error_string(3), get_protection(3), dirfile(5), dirfile-format(5)