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Found by: WARNS=4
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disk device names such as da0s1b. So we also get rid of the nasty
constant 5 scattered over the code.
Implementing this change is a good chance to improve other bits
around it: init saved lengths early, always check return value from
kvm_getswapinfo().
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- Don't define vars inside loops.
- Avoid useless casts.
- Use C idioms.
- Do alike things in a consistent way.
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that were useless and just obfuscated the code.
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1) Resize the Used column to avoid screen overflow if BLOCKSIZE is long.
2) Track the current swap configuration so that its changes don't break
the display.
Suggested by: bde (1)
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Now the display won't overflow the 80-char row if BLOCKSIZE=1024.
The new spacing is also consistent with the "pigs" display.
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PR: bin/101975
MFC after: 3 days
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Submitted by: Se=E1n Farley <sean-freebsd at farley dot org>
PR: bin/81874
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not very usefully, in all other displays). This was the original point
of the PR.
Move the load average up by 2 so that it starts in row 0 for all windows
(2 lines above it were wasted for all other windows except vmstat).
Move everything below it up by 2 or 3 (3 for icmp and icmp6 which had
an extra blank line due from not compensating for the foot-shooting in
note (3); only ip and ip6 compensated). Reduce the magic numbers related
to this.
Notes by the submitter:
%%%
1. All the subwin() calls are identical using #define MAINWIN_ROW 3
(systat.h).
2. The load average is at the top of the window.
3. Each display starts on the fourth line. I made changes to those
displays that shifted the start line (i.e., icmp). This entailed a
lot of changes within the comments at the top of those displays.
4. For ip6, I shifted the "Input next-header histogram" column down one
row to separate it from "IPv6 Output". I raised "bad scope packets"
and "address selection failed" up one row to stay with "IPv6 Input"
(valid?). They were down one row to probably line up at the bottom,
but I think they should stick with their fellow items in a column.
5. I condensed ifstat a bit. It had a lot of empty rows.
%%%
Submitted by: Se=E1n Farley <sean-freebsd at farley dot org>
PR: bin/81874
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Approved by: markm
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with namelists. use __FBSDID().
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error.
MFC after: 1 week
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and compiler warnings.
The data for network statistics are still obtained via the kvm interface
if systat was started with the needed privileges, otherwise sysctls are
used. The reason for this is that with really many open sockets, the
sysctl method is probably slower, but it systat -netstat is probably not
really usable in either mode under these conditions.
Approved by: rwatson
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it to try and get world building again. (sys/conf.h now depends on
sys/types.h)
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that went away in January.
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o Add more checks for buffer overflows
o Use snprintf rather than strcat/cpy and have better checks for max
length exceeded.
Most of these changes are not exploitable buffer overruns, but it never
hurts to be safe.
Inspired by and obtained from: OpenBSD
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faithful stealing from pstat would have given this already.
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date: 1994/10/09 07:37:18; author: davidg; state: Exp; lines: +7 -1
#if 0'd out the meat of the swap code until I get a chance to rewrite it.
...mainly by stealing the code from pstat(8).
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