From cac47d45ae991f92d9d294df317d5b90aae4ee26 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Elan=20Ruusam=C3=A4e?= <glen@pld-linux.org>
Date: Fri, 27 Mar 2009 11:46:01 +0000
Subject: [PATCH] - catch errors when infile can't be opened

Changed files:
    kernel-track-config-change.awk -> 1.5
---
 kernel-track-config-change.awk | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/kernel-track-config-change.awk b/kernel-track-config-change.awk
index dbe6ec80..6b3fe500 100644
--- a/kernel-track-config-change.awk
+++ b/kernel-track-config-change.awk
@@ -1,30 +1,34 @@
 # $Id$
 
 BEGIN {
-	if ( ! infile ) {
+	if (!infile) {
 		print "infile= must be specified" > "/dev/stderr"
 		exit 1
 	}
 
 	file = ""
-	while ( getline < infile ) {
+	while ((rc = getline < infile) > 0) {
 		name = ""
-		if ( match( $0, /^# CONFIG_[A-Za-z0-9_]+ is not set$/ ) ) {
+		if ( match($0, /^# CONFIG_[A-Za-z0-9_]+ is not set$/)) {
 			name = $2
 			value = "n"
-		} else if ( match( $0, /^CONFIG_[A-Za-z0-9_]+=/ ) ) {
+		} else if (match($0, /^CONFIG_[A-Za-z0-9_]+=/)) {
 			name = value = $1
 
-			sub( /=.*$/, "", name )
-			sub( /^[^=]*=/, "", value )
-		} else if ( match( $0, /^# file:/ ) ) {
+			sub(/=.*$/, "", name)
+			sub(/^[^=]*=/, "", value)
+		} else if (match($0, /^# file:/)) {
 			file = $3
 		}
-		if ( length( name ) ) {
-			optionArray[ name ] = value
-			optionFile[ name ] = file
+		if (length(name)) {
+			optionArray[name] = value
+			optionFile[name] = file
 		}
 	}
+	if (rc == -1) {
+		printf("Error reading infile='%s'\n", infile) > "/dev/stderr"
+		exit 1
+	}
 
 	foundErrors = 0
 }
-- 
2.44.0