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Differential D50398

sndctl(8): Allow read-only sysctls
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Authored by christos on Sat, May 17, 9:04 PM.

Details

Reviewers
markj
emaste
adrian
Summary

Needed by follow-up patch.

Sponsored by: The FreeBSD Foundation
MFC after: 1 day

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 64250
Build 61134: arc lint + arc unit

Event Timeline

christos created this revision.Sat, May 17, 9:04 PM
Herald added a subscriber: imp. · View Herald TranscriptSat, May 17, 9:04 PM
christos requested review of this revision.Sat, May 17, 9:04 PM
christos added a parent revision: D50397: sndctl(8): Remove unnecessary val variable from sysctl functions.
Harbormaster completed remote builds in B64250: Diff 155628.Sat, May 17, 9:04 PM
christos added a child revision: D50399: sndctl(8): Do not re-read device at the end.Sat, May 17, 9:04 PM
markj added inline comments.Sun, May 18, 3:37 PM
usr.sbin/sndctl/sndctl.c
676

For such simple code, it's IMO better to just use an if-statement:

if (arg != NULL) {
    n = strtol(...)
    ...
}
679

For this to work correctly, you need to set errno = 0 before the strtol() call.

christos updated this revision to Diff 155648.Sun, May 18, 4:06 PM
christos marked 2 inline comments as done.

Address Mark's comments.

Harbormaster completed remote builds in B64263: Diff 155648.Sun, May 18, 4:06 PM
christos mentioned this in D50400: sndctl(8): Fix dp->realtime.Sun, May 18, 4:07 PM
markj accepted this revision.Sun, May 18, 6:24 PM
This revision is now accepted and ready to land.Sun, May 18, 6:24 PM

Revision Contents
Changeset List

PathSize
usr.sbin/
sndctl/
29 lines

Diff 155628

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usr.sbin/sndctl/sndctl.c

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