From b5468b4acaec3794b0a3082ffe1ef27bd9d8cca3 Mon Sep 17 00:00:00 2001
From: PA4WDH
Date: Sun, 21 May 2023 11:47:32 +0200
Subject: Fix all .h files

---
 cpufreq.h             | 5 +++++
 failsafe.h            | 5 +++++
 generate_version_h.sh | 5 +++++
 sysfs.h               | 5 +++++
 4 files changed, 20 insertions(+)

diff --git a/cpufreq.h b/cpufreq.h
index f950339..5b13010 100644
--- a/cpufreq.h
+++ b/cpufreq.h
@@ -1,2 +1,7 @@
+#ifndef HAVE_CPUFREQ_H
+#define HAVE_CPUFREQ_H
+
 int cpufreq_set_str(char *parameter,char *value,int checkdelay);
 int cpufreq_set_long_int(char *parameter,long int value,int checkdelay);
+
+#endif
diff --git a/failsafe.h b/failsafe.h
index f6b0d0d..c7c2e11 100644
--- a/failsafe.h
+++ b/failsafe.h
@@ -1 +1,6 @@
+#ifndef HAVE_FAILSAFE_H
+#define HAVE_FAILSAFE_H
+
 void failsafe();
+
+#endif
diff --git a/generate_version_h.sh b/generate_version_h.sh
index 75df5a2..4ea23c0 100755
--- a/generate_version_h.sh
+++ b/generate_version_h.sh
@@ -4,8 +4,13 @@ VERSION=`git describe --abbrev=0`
 HASH=`git show --format="%h" --no-patch master`
 BRANCH=`git rev-parse --abbrev-ref HEAD`
 
+echo "#ifndef HAVE_VERSION_H"
+echo "#define HAVE_VERSION_H"
+echo ""
 echo "#define VERSION \"$VERSION\""
 echo "#define HASH \"$HASH\""
 echo "#define BRANCH \"$BRANCH\""
 echo "#define VERSION_FULL VERSION\"-\"HASH\" (\"BRANCH\")\""
 echo "char* version();"
+echo ""
+echo "#endif"
diff --git a/sysfs.h b/sysfs.h
index ccd2430..3acecc9 100644
--- a/sysfs.h
+++ b/sysfs.h
@@ -1,3 +1,8 @@
+#ifndef HAVE_SYSFS_H
+#define HAVE_SYSFS_H
+
 int sysfs_read_str(char *sysfs_file,char *buf,size_t bufsize);
 long int sysfs_read_long_int(char *sysfs_file);
 int sysfs_write_str(char *sysfs_file,char *value,int checkdelay);
+
+#endif
-- 
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