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dwatch(1): Separate default values so `-[BK] num' don't affect usage

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If you were to pass an invalid option after `-B num' or `-K num' you
would see that the usage statement would show the value you passed
instead of the actual default.

Moving the default values to separate variables that are unaffected
by the options-parsing allows the usage statement to correctly show
the hard-coded default values if no flags are used.

Sponsored by:	Smule, Inc.
This commit is contained in:
Devin Teske 2018-05-12 05:41:28 +00:00
parent 4a84c26cfc
commit 5f2202d104
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=333514
1 changed files with 10 additions and 4 deletions
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14
cddl/usr.sbin/dwatch/dwatch
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@ -56,6 +56,12 @@ pgm="${0##*/}" # Program basename
#
PROBE_ARG=
#
# Command-line defaults
#
_MAX_ARGS=64 # -B num
_MAX_DEPTH=64 # -K num
#
# Command-line options
#
@ -77,8 +83,8 @@ GROUP= # -g group
JID= # -j jail
LIST= # -l
LIST_PROFILES= # -Q
MAX_ARGS=64 # -B num
MAX_DEPTH=64 # -K num
MAX_ARGS=$_MAX_ARGS # -B num
MAX_DEPTH=$_MAX_DEPTH # -K num
ONELINE= # -1
OUTPUT= # -o file
OUTPUT_CMD= # -O cmd
@ -144,7 +150,7 @@ usage()
printf "$optfmt" "-1" \
"Print one line per process/profile (Default; disables \`-R')."
printf "$optfmt" "-B num" \
"Maximum process arguments to display (Default $MAX_ARGS)."
"Maximum process arguments to display (Default $_MAX_ARGS)."
printf "$optfmt" "-d" \
"Debug. Send dtrace(1) script to stdout instead of executing."
printf "$optfmt" "-e" \
@ -162,7 +168,7 @@ usage()
printf "$optfmt" "-k name" \
"Only show processes matching name."
printf "$optfmt" "-K num" \
"Maximum directory depth to display (Default $MAX_DEPTH)."
"Maximum directory depth to display (Default $_MAX_DEPTH)."
printf "$optfmt" "-l" \
"List available probes on standard output and exit."
printf "$optfmt" "-m" \