table of contents
other versions
- wheezy 0.7.3-6
- jessie 0.7.3-6+b2
- testing 0.9.4-1
- unstable 0.9.4-1
- experimental 0.10.0-1
gd_alter_protection(3) | GETDATA | gd_alter_protection(3) |
NAME¶
gd_alter_protection — modify the protection level of a dirfile fragmentSYNOPSIS¶
#include <getdata.h>int
gd_alter_protection(DIRFILE *dirfile, int
protection_level, int fragment_index);
DESCRIPTION¶
The gd_alter_protection() function sets the advisory protection level of the format specification fragment given by fragment_index to protection_level in the dirfile(5) database specified by dirfile.- 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_FORMAT and GD_PROTECT_DATA.
RETURN VALUE¶
Upon successful completion, gd_alter_protection() 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.
NOTES¶
This is the only GetData function which ignores the (existing) protection level of a format specification fragment.SEE ALSO¶
gd_open(3), gd_error(3), gd_error_string(3), gd_protection(3), dirfile(5), dirfile-format(5)21 July 2010 | Version 0.7.0 |