From: Tom Yu <tlyu@mit.edu>
Date: Mon, 19 Jun 1995 05:00:40 +0000 (+0000)
Subject: 	* getsyms, getsyms.sed: simple scripts to find #ifdef's that
X-Git-Tag: krb5-1.0-beta6~1723
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=e2f1559df0d150b4c6990ab69fa1040f540359a4;p=krb5.git

	* getsyms, getsyms.sed: simple scripts to find #ifdef's that
		aren't declared with configure.in

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@6089 dc483132-0cff-0310-8789-dd5450dbe970
---

diff --git a/src/util/ChangeLog b/src/util/ChangeLog
index 19e5da550..92117fa0e 100644
--- a/src/util/ChangeLog
+++ b/src/util/ChangeLog
@@ -1,3 +1,8 @@
+Mon Jun 19 00:58:33 1995  Tom Yu  (tlyu@dragons-lair)
+
+	* getsyms, getsyms.sed: simple scripts to find #ifdef's that
+		aren't declared with configure.in
+
 Fri Jun 16 14:05:03 1995  Tom Yu  (tlyu@dragons-lair)
 
 	* libupdate.sh: oops they were right to begin with; hack
diff --git a/src/util/getsyms b/src/util/getsyms
new file mode 100644
index 000000000..cecdb5263
--- /dev/null
+++ b/src/util/getsyms
@@ -0,0 +1,36 @@
+#!/bin/sh
+# Run this from the TOP of the source tree!
+M4=gm4
+configs=`find $1 -name configure.in -print|sed -e 's@/configure.in@@`
+for dir in $configs; do
+	AC_MACRODIR=./util/autoconf
+	# The following bits shamelessly stolen from autoheader.sh
+	eval "`$M4 -I$AC_MACRODIR autoheader.m4 $dir/configure.in|
+		sed -n -e '
+		: again
+		/^@@@.*@@@$/s/^@@@\(.*\)@@@$/\1/p
+		/^@@@/{
+			s/^@@@//p
+			n
+			s/^/@@@/
+			b again
+		}'`"
+	syms="`for sym in $syms; do echo $sym; done | sort | uniq`"
+	echo $dir/configure.in: $syms
+	files="$dir/*.[ch]"
+	for file in $files; do
+		badsyms=""
+		fsyms=`sed -f ./util/getsyms.sed $file`
+		fsyms="`for sym in $fsyms; do echo $sym; done | sort | uniq`"
+		for sym in $fsyms; do
+			isbad=yes
+			for tsym in $syms; do
+				if [ $tsym = $sym ]; then isbad=no; fi
+			done
+			if [ $isbad = yes ]; then
+				badsyms="$badsyms $sym"
+			fi
+		done
+		echo $file:$badsyms
+	done
+done
diff --git a/src/util/getsyms.sed b/src/util/getsyms.sed
new file mode 100644
index 000000000..abf305ea5
--- /dev/null
+++ b/src/util/getsyms.sed
@@ -0,0 +1,30 @@
+# emulate a C preprocessor (well, sort of)
+y/	/ /
+s/  */ /g
+/\/\*/{
+:COMMENT
+N
+y/	/ /
+s/  */ /g
+/\*\//!bCOMMENT
+}
+s/\/\*.*\*\///
+/^ *#ifdef/{
+s/^ *#ifdef //
+b
+}
+/^ *#ifndef/{
+s/^ *#ifndef //
+b
+}
+/^ *#if/{
+s/^ *#if//
+s/ *defined *( *\([A-Za-z0-9_]*\) *) */\1 /g
+s/||//g
+s/&&//g
+s/!//g
+s/(//g
+s/)//g
+b
+}
+d