From: Eugene Syromyatnikov <evgsyr@gmail.com>
Date: Tue, 5 Feb 2019 23:49:47 +0000 (+0100)
Subject: xlat/gen.sh: speedup, part 5
X-Git-Tag: v5.0~37
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=93adba1582c05fc315ef9060b6d23780d2a76635;p=strace

xlat/gen.sh: speedup, part 5

* xlat/gen.sh (gen_header): Process xlat line with sed only when "/*"
substring is present in it.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
---

diff --git a/xlat/gen.sh b/xlat/gen.sh
index 9a9d6222..251b554a 100755
--- a/xlat/gen.sh
+++ b/xlat/gen.sh
@@ -132,8 +132,12 @@ gen_header()
 	local unconditional= line
 	# 1st pass: output directives.
 	while read line; do
-		line=$(printf "%s" "$line" | \
-			sed "s|[[:space:]]*/\*.*\*/[[:space:]]*||")
+		case "$line" in
+			*/\**)
+			line=$(printf "%s" "$line" |
+				sed "s|[[:space:]]*/\*.*\*/[[:space:]]*||")
+			;;
+		esac
 
 		case $line in
 		'#stop')
@@ -201,8 +205,12 @@ gen_header()
 	unconditional= val_type=
 	# 2nd pass: output everything.
 	while read line; do
-		line=$(printf "%s" "$line" | \
-			sed "s|[[:space:]]*/\*.*\*/[[:space:]]*||")
+		case "$line" in
+			*/\**)
+			line=$(printf "%s" "$line" |
+				sed "s|[[:space:]]*/\*.*\*/[[:space:]]*||")
+			;;
+		esac
 
 		case ${line} in
 		'#conditional')