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Use alternative for /dev/null when not available

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stefanrueger
2024-02-27 11:54:40 +13:00
parent 274ac34b6c
commit 6e6404cbb4
1 changed files with 5 additions and 2 deletions
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7
tools/test-avrdude
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@@ -160,6 +160,9 @@ tmpfile=$(mktemp "$tmp/$progname.tmp.XXXXXX")
resfile=$(mktemp "$tmp/$progname.res.XXXXXX")
trap "rm -f $status $logfile $outfile $tmpfile $resfile" EXIT
devnull=/dev/null
[[ ! -w /dev/null ]] && devnull=$tmpfile
TIMEFORMAT=%R # time built-in only returns elapsed wall-clock time
elapsed=-1 # Global variable holding time of last execute command in seconds
bench_t=-1 # Copy of global variable holding time of last execute command
@@ -375,7 +378,7 @@ for (( p=0; p<$arraylength; p++ )); do
if [[ $benchmark -eq 1 ]]; then
specify="flash -U read all flash"
command=(${avrdude[@]} -Uflash:r:/dev/null)
command=(${avrdude[@]} -Uflash:r:$devnull)
execute "${command[@]}"
result [ $? == 0 ]
bench_t_flrd=$bench_t
@@ -406,7 +409,7 @@ for (( p=0; p<$arraylength; p++ )); do
bench_t_eewr=$bench_t
specify="eeprom -U read all"
command=(${avrdude[@]} -Ueeprom:r:/dev/null)
command=(${avrdude[@]} -Ueeprom:r:$devnull)
execute "${command[@]}"
result [ $? == 0 ]
bench_t_eerd=$bench_t