From 8af907950f87a10b0620390cfa676a74908e54dd Mon Sep 17 00:00:00 2001
From: Jelmer Vernooij <jelmer@samba.org>
Date: Tue, 2 Dec 2003 10:13:18 +0000
Subject: Add script useful for finding checks for headers that are never used
 (This used to be commit 0e5fdbc01bba7f1b000587d01a128c3bdbbbe03c)

---
 source4/script/find_unused_header_checks.pl | 38 +++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100755 source4/script/find_unused_header_checks.pl

(limited to 'source4/script')

diff --git a/source4/script/find_unused_header_checks.pl b/source4/script/find_unused_header_checks.pl
new file mode 100755
index 0000000000..3caf9da453
--- /dev/null
+++ b/source4/script/find_unused_header_checks.pl
@@ -0,0 +1,38 @@
+#!/usr/bin/perl
+# Script that reads in configure and outputs the names of all the defines 
+# it defines that are used nowhere in the code
+
+# Arguments:
+#  1: configure.in
+#  2: header files
+#
+# You might want to specify configure.in again in the list of header files 
+# as well, because it also uses some includes.
+
+my %symbols;
+
+# First, make a list of defines in configure
+$in = shift;
+
+while($tmp = shift) { 
+	open(FI, $tmp);
+	while(<FI>) { 
+		while(/\#([ \t]*)include <(.*)>/sgm) { 
+			$symbols{$2} = 1;
+		}
+	}
+	close FI;
+}
+
+open(IN, $in) or die("Can't open $in");
+
+while(<IN>) {
+	if(/AC_CHECK_HEADERS\(([\[]*)(.*)([\]]*)\)/) {
+		@hs = split / /, $2;
+		foreach(@hs) { 
+			if($symbols{$_} != 1) { print "|$_|\n"; }
+		}
+	}
+}
+
+close IN;
-- 
cgit