From 58354269eb9ab3b1963b2d56294393a3d02db712 Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Wed, 24 Apr 2019 18:02:39 +0200
Subject: build-sys: add 'make checklibdoc'

Let's to be sure that all libs API symbols are documented.

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 Makefile.am           | 13 +++++++++++++
 tools/checklibdocs.sh | 43 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100755 tools/checklibdocs.sh

diff --git a/Makefile.am b/Makefile.am
index 0ae085d9a..adf87804b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -187,6 +187,19 @@ checkusage:
 	@ $(top_srcdir)/tools/checkusage.sh \
 		$(bin_PROGRAMS) $(sbin_PROGRAMS) \
 		$(usrbin_exec_PROGRAMS) $(usrsbin_exec_PROGRAMS)
+checklibdoc:
+	@ $(top_srcdir)/tools/checklibdocs.sh \
+		$(top_srcdir)/libmount/src/libmount.sym \
+		$(top_srcdir)/libmount/docs/libmount-sections.txt
+	@ $(top_srcdir)/tools/checklibdocs.sh \
+		$(top_srcdir)/libfdisk/src/libfdisk.sym \
+		$(top_srcdir)/libfdisk/docs/libfdisk-sections.txt
+	@ $(top_srcdir)/tools/checklibdocs.sh \
+		$(top_srcdir)/libsmartcols/src/libsmartcols.sym \
+		$(top_srcdir)/libsmartcols/docs/libsmartcols-sections.txt
+	@ $(top_srcdir)/tools/checklibdocs.sh \
+		$(top_srcdir)/libblkid/src/libblkid.sym \
+		$(top_srcdir)/libblkid/docs/libblkid-sections.txt
 
 DISTCHECK_CONFIGURE_FLAGS = \
 	--disable-use-tty-group \
diff --git a/tools/checklibdocs.sh b/tools/checklibdocs.sh
new file mode 100755
index 000000000..094d2cbd5
--- /dev/null
+++ b/tools/checklibdocs.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+FILE_API_SYMBOLS="$1"
+FILE_API_DOCS="$2"
+
+if [ ! -f "$FILE_API_SYMBOLS" ]; then
+	echo "File $FILE_API_SYMBOLS is missing."
+	exit 1
+fi
+
+if [ ! -f "$FILE_API_DOCS" ]; then
+	echo "File $FILE_API_DOCS is missing."
+	exit 1
+fi
+
+fail_ct=0
+api_symbols=$(awk '/^([[:space:]]+)([[:alnum:]_]+);/ { gsub(";",""); print $1; }' "$FILE_API_SYMBOLS" | sort)
+doc_symbols=$(awk '/^([[:space:]])*$/ {next}; !/<.*>/ { print $1 }' "$FILE_API_DOCS" | sort)
+
+echo -n "Checking $FILE_API_SYMBOLS documentation ... "
+
+for sym in $api_symbols; do
+	case "$doc_symbols" in
+	*"$sym"*)
+		#echo -ne "\n '$sym'"
+		;;
+	*)
+		echo -ne "\n '$sym' undocumented"
+		fail_ct=$(($fail_ct + 1))
+		;;
+	esac
+done
+
+if [ $fail_ct -ne 0 ]; then
+	echo
+	echo "$fail_ct symbols is missing in ${FILE_API_DOCS}."
+	echo
+	exit 1
+else
+	echo "OK"
+fi
+
+exit 0
-- 
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