03-24-2004
Causing a disk to be corrupt
Hmm, how to ask this without sounding too malicious...
How might one go about causing a disk corruption in OS X specifically or via the command line in UNIX in general?
Doesnt matter the severity of the problem, I just want to scare the person a little, then fix the problem for them.
Any thoughts?
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LEARN ABOUT SUSE
addseverity
ADDSEVERITY(3) Linux Programmer's Manual ADDSEVERITY(3)
NAME
addseverity - introduce new severity classes
SYNOPSIS
#include <fmtmsg.h>
int addseverity(int severity, const char *s);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
addseverity(): _SVID_SOURCE
DESCRIPTION
This function allows the introduction of new severity classes which can be addressed by the severity argument of the fmtmsg(3) function.
By default that latter function only knows how to print messages for severity 0-4 (with strings (none), HALT, ERROR, WARNING, INFO). This
call attaches the given string s to the given value severity. If s is NULL, the severity class with the numeric value severity is removed.
It is not possible to overwrite or remove one of the default severity classes. The severity value must be nonnegative.
RETURN VALUE
Upon success, the value MM_OK is returned. Upon error, the return value is MM_NOTOK. Possible errors include: out of memory, attempt to
remove a nonexistent or default severity class.
VERSIONS
addseverity() is provided in glibc since version 2.1.
CONFORMING TO
This function is not specified in the X/Open Portability Guide although the fmtmsg(3) function is. It is available on System V systems.
NOTES
New severity classes can also be added by setting the environment variable SEV_LEVEL.
SEE ALSO
fmtmsg(3)
COLOPHON
This page is part of release 3.25 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
GNU
2008-06-14 ADDSEVERITY(3)