[PATCH v3 01/13] common/rc: Add _min() and _max() helpers

Ojaswin Mujoo
2025-07-12T14:13:17Z

Many programs open code these functionalities so add it as a generic helper
in common/rc

Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
---
common/rc | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)

diff --git a/common/rc b/common/rc
index f71cc8f0..9a9d3cc8 100644
--- a/common/rc
+++ b/common/rc
@@ -5817,6 +5817,28 @@ _require_program() {
_have_program "$1" || _notrun "$tag required"
}

+_min() {
+ local ret
+
+ for arg in "$@"; do
+ if [ -z "$ret" ] || (( $arg < $ret )); then
+ ret="$arg"
+ fi
+ done
+ echo $ret
+}
+
+_max() {
+ local ret
+
+ for arg in "$@"; do
+ if [ -z "$ret" ] || (( $arg > $ret )); then
+ ret="$arg"
+ fi
+ done
+ echo $ret
+}
+
################################################################################
# make sure this script returns success
/bin/true
--
2.49.0