src/sbin/sysctl/sysctl.c, branch releng/5.0

Fix a "bug" in sysctl(8). Limit the length when we print a string from

2002-11-12T21:18:21Z

the kernel rather than ignoring the length and keeping on going till we finally hit a \0 character in the buffer.

Replace various spelling with FALLTHROUGH which is lint()able

2002-08-25T13:10:45Z

Don't err(3) (and exit prematurely) when a sysctl's object size has

2002-05-24T08:34:18Z

changed, instead just warn(3)

Don't forget to null-terminate string we got from sysctl (f.e. in 'A' format).

2002-05-08T23:49:19Z

Stack garbadge may be printed otherwise.

Take the "tickadj" element out of struct clockinfo. Our adjtime(2)

2002-04-15T12:11:06Z

implementation is being changed and the very concept of tickadj will no longer be meaningful.

Make the handling of machdep.guessed_bootdev compiled on i386 only.

2002-03-11T06:50:28Z

Export a (machine dependent) kernel variable bootdev as

2002-03-10T20:08:44Z

machdep.guessed_bootdev, and add code to sysctl to parse its value and give a (not necessarily correct) name to the device we booted from (the main motivation for this code is to use the info in the PicoBSD boot scripts, and the impact on the kernel is minimal). NOTE: the information available in bootdev is not always reliable, so you should not trust it too much. The parsing code is the same as in boot2.c, and cannot cover all cases -- as it is, it seems to work fine with floppies and IDE disks recognised by the BIOS. It _should_ work as well with SCSI disks recognised by the BIOS. Booting from a CDROM in floppy emulation will return /dev/fd0 (because this is what the BIOS tells us). Booting off the network (e.g. with etherboot) leaves bootdev unset so the value will be printed as "invalid (0xffffffff)". Finally, this feature might go away at some point, hopefully when we have a more reliable way to get the same information. MFC-after: 5 days

#include instead of depending on namespace pollution in

2002-02-25T03:36:06Z

for its prerequisite . #include in the correct place instead of bogusly including .

Allow setting of variables of type dev_t by indicating the name of

2001-12-30T10:33:34Z

a special file on the command line, eg: sysctl kern.dumpdev=/dev/ad1s1b In parse(), when a value is given for a CTLTYPE_QUAD variable, newval and newsize erroneously fail to be set because of an early "break". show_var() contains code that duplicates the functionality of the oidfmt() function. PR: 33151, 33150 Submitted by: Thomas Quinot

Add code to export and print the description associated to sysctl

2001-12-16T02:55:41Z

variables. Use the -d flag in sysctl(8) to see this information. Possible extensions to sysctl: + report variables that do not have a description + given a name, report the oid it maps to. Note to developers: have a look at your code, there are a number of variables which do not have a description. Note to developers: do we want this in 4.5 ? It is a very small change and very useful for documentation purposes. Suggested by: Orion Hodson