#! /bin/sh

#
# The first argument is the directory in which the source files live.
#
srcdir="$1"
shift

#
# All subsequent arguments are the files to scan.
#
rm -f register.c-tmp
echo '/* Do not modify this file.  */' >register.c-tmp
echo '/* It is created automatically by the Makefile.  */'>>register.c-tmp
echo '#include "register.h"' >>register.c-tmp
echo 'void register_all_protocols(void) {' >>register.c-tmp
for f in "$@"
do
	grep '^proto_register_[a-z_0-9A-Z]* *(' $srcdir/$f 2>/dev/null
done | sed -e 's/^.*://' -e 's/^\([a-z_0-9A-Z]*\).*/  {extern void \1 (void); \1 ();}/' >>register.c-tmp
for f in "$@"
do
	grep '^void proto_register_[a-z_0-9A-Z]* *(' $srcdir/$f 2>/dev/null
done | sed -e 's/^.*://' -e 's/^void \([a-z_0-9A-Z]*\).*/  {extern void \1 (void); \1 ();}/' >>register.c-tmp
echo '}' >>register.c-tmp
mv register.c-tmp register.c