For cmdline argument with numeric value, add a new function getargnum It will get proper value with default value as $1, max value as $2. valid result will be echo to stdout, for nul or value not valid it will just echo the default value.
Signed-off-by: Dave Young <[email protected]> --- modules.d/99base/dracut-lib.sh | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) --- dracut.orig/modules.d/99base/dracut-lib.sh +++ dracut/modules.d/99base/dracut-lib.sh @@ -167,6 +167,25 @@ getargbool() { return 0 } +# getargnum <defaultval> <maxval> <args...> +# Will echo the arg if it's in range [0 - maxval]. +# If it's not set or it's not valid, will set it <defaultval>. +getargnum() { + local _b + unset _b + local _default + local _max + _default=$1; shift + _max=$1; shift + _b=$(getarg "$@") + [ $? -ne 0 -a -z "$_b" ] && _b=$_default + if [ -n "$_b" ]; then + [[ "$_b" =~ ^[0-9]+$ ]] && _b=$(($_b)) && \ + [[ $_b -ge 0 && $_b -le $_max ]] && echo $_b && return + fi + echo $_default +} + _dogetargs() { debug_off local _o _found _key -- To unsubscribe from this list: send the line "unsubscribe initramfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
