From 9f5c279168775de67ef8b2cde9d0f6ff5f827839 Mon Sep 17 00:00:00 2001
From: kxxt <rsworktech@gmail.com>
Date: Sat, 1 Oct 2022 08:07:51 +0800
Subject: [PATCH] simplify egrep syntax

Change-Id: I1d9ccc8dd70051a962a2cc5195cb08148d5c3549
---
 plan9/mkerrors.sh | 4 ++--
 unix/mkerrors.sh  | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/plan9/mkerrors.sh b/plan9/mkerrors.sh
index 4390e83b..70355d69 100755
--- a/plan9/mkerrors.sh
+++ b/plan9/mkerrors.sh
@@ -126,7 +126,7 @@ errors=$(
 signals=$(
 	echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
 	awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
-	grep -Ev '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' |
+	grep -Ev 'SIGSTKSIZE|SIGSTKSZ|SIGRT' |
 	sort
 )
 
@@ -136,7 +136,7 @@ echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
 	sort >_error.grep
 echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
 	awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' |
-	grep -Ev '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' |
+	grep -Ev 'SIGSTKSIZE|SIGSTKSZ|SIGRT' |
 	sort >_signal.grep
 
 echo '// mkerrors.sh' "$@"
diff --git a/unix/mkerrors.sh b/unix/mkerrors.sh
index 06564795..bcfb55b6 100755
--- a/unix/mkerrors.sh
+++ b/unix/mkerrors.sh
@@ -642,7 +642,7 @@ errors=$(
 signals=$(
 	echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
 	awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
-	grep -Ev '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' |
+	grep -Ev 'SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64' |
 	sort
 )
 
@@ -652,7 +652,7 @@ echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
 	sort >_error.grep
 echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
 	awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' |
-	grep -Ev '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' |
+	grep -Ev 'SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64' |
 	sort >_signal.grep
 
 echo '// mkerrors.sh' "$@"