utils-std

commit: b8e206e0122b76df02aa9fc980d160361b66ab35
parent cb193c6e878d08097d6e503287071c2bd154b948
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Sun, 28 Dec 2025 05:57:24 +0100

printf: GNU glibc ARG_MAX is 16 times too big

Diffstat:
M
test-cmd/printf.sh
9
++++++++-

1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/test-cmd/printf.sh b/test-cmd/printf.sh
@@ -86,7 +86,14 @@ wc_c() {
 }
 
 if arg_max=$(getconf ARG_MAX); then
-	# 64 should be enough but somehow ArchLinux and {Free,Net,Open}BSD need more
+	# GNU glibc returns 2097152 which is 16 times more than the correct value (131072)
+	case "$(uname -s)-$arg_max" in
+		Linux-131072) ;;
+		Linux-*) arg_max=131072 ;;
+		*) ;;
+	esac
+
+	# 64 should be enough but somehow {Free,Net,Open}BSD need more
 	# 128 also wasn't enough for them
 	# 1024 is 1/4th of _POSIX_ARG_MAX so really ought to be enough leeway
 	arg_max=$((arg_max - 1024))