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Update to NetBSD libedit (from Oct 1, 2003), adding some string
cleaning and history bug fixes. The code includes GNU libreadline
functionality, but the corresponding header files are not installed,
since some libreadline functions are missing. There are some minor API
changes, notably:

old: EditLine *el_init(const char *, FILE *, FILE *);
new: EditLine *el_init(const char *, FILE *, FILE *, FILE *);

old: HistEvent *history(History *h, int op, ...);
new: int history(History *h, HistEvent *ev, int op, ...); plus some
changes in operation names. See editline(3) for details.

Tested by djm@, mouring@, jmc@.

ok deraadt@

#!/bin/sh -
#	$OpenBSD: makelist,v 1.6 2003/10/31 08:42:24 otto Exp $
#	$NetBSD: makelist,v 1.8 2003/03/10 21:21:10 christos Exp $
#
# Copyright (c) 1992, 1993
#	The Regents of the University of California.  All rights reserved.
#
# This code is derived from software contributed to Berkeley by
# Christos Zoulas of Cornell University.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#	This product includes software developed by the University of
#	California, Berkeley and its contributors.
# 4. Neither the name of the University nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#	@(#)makelist	5.3 (Berkeley) 6/4/93

# makelist.sh: Automatically generate header files...

AWK=awk
USAGE="Usage: $0 -h|-e|-fc|-fh|-bc|-bh|-m <filenames>"

if [ "x$1" = "x" ]
then
    echo $USAGE 1>&2
    exit 1
fi

FLAG="$1"
shift

FILES="$@"

case $FLAG in

#	generate foo.h file from foo.c
#
-h)
    set - `echo $FILES | sed -e 's/\\./_/g'`
    hdr="_h_`basename $1`"
    cat $FILES | $AWK '
	BEGIN {
	    printf("/* Automatically generated file, do not edit */\n");
	    printf("#ifndef %s\n#define %s\n", "'$hdr'", "'$hdr'");
	}
	/\(\):/ {
	    pr = substr($2, 1, 2);
	    if (pr == "vi" || pr == "em" || pr == "ed") {
		name = substr($2, 1, length($2) - 3);
#
# XXX:	need a space between name and prototype so that -fc and -fh
#	parsing is much easier
#
		printf("protected el_action_t\t%s (EditLine *, int);\n", name);
	    }
	}
	END {
	    printf("#endif /* %s */\n", "'$hdr'");
	}'
	;;

#	generate help.c from various .c files
#
-bc)
    cat $FILES | $AWK '
	BEGIN {
	    printf("/* Automatically generated file, do not edit */\n");
	    printf("#include \"sys.h\"\n#include \"el.h\"\n");
	    printf("private const struct el_bindings_t el_func_help[] = {\n");
	    low = "abcdefghijklmnopqrstuvwxyz_";
	    high = "ABCDEFGHIJKLMNOPQRSTUVWXYZ_";
	    for (i = 1; i <= length(low); i++)
		tr[substr(low, i, 1)] = substr(high, i, 1);
	}
	/\(\):/ {
	    pr = substr($2, 1, 2);
	    if (pr == "vi" || pr == "em" || pr == "ed") {
		name = substr($2, 1, length($2) - 3);
		uname = "";
		fname = "";
		for (i = 1; i <= length(name); i++) {
		    s = substr(name, i, 1);
		    uname = uname tr[s];
		    if (s == "_")
			s = "-";
		    fname = fname s;
		}

		printf("    { %-30.30s %-30.30s\n","\"" fname "\",", uname ",");
		ok = 1;
	    }
	}
	/^ \*/ {
	    if (ok) {
		printf("      \"");
		for (i = 2; i < NF; i++)
		    printf("%s ", $i);
		printf("%s\" },\n", $i);
		ok = 0;
	    }
	}
	END {
	    printf("    { NULL, 0, NULL }\n");
	    printf("};\n");
	    printf("\nprotected const el_bindings_t* help__get()");
	    printf("{ return el_func_help; }\n");
	}'
	;;

#	generate help.h from various .c files
#
-bh)
    $AWK '
	BEGIN {
	    printf("/* Automatically generated file, do not edit */\n");
	    printf("#ifndef _h_help_c\n#define _h_help_c\n");
	    printf("protected const el_bindings_t *help__get(void);\n");
	    printf("#endif /* _h_help_c */\n");
	}' /dev/null
	;;

#	generate fcns.h from various .h files
#
-fh)
    cat $FILES | $AWK '/el_action_t/ { print $3 }' | \
    sort | tr '[a-z]' '[A-Z]' | $AWK '
	BEGIN {
	    printf("/* Automatically generated file, do not edit */\n");
	    printf("#ifndef _h_fcns_c\n#define _h_fcns_c\n");
	    count = 0;
	}
	{
	    printf("#define\t%-30.30s\t%3d\n", $1, count++);
	}
	END {
	    printf("#define\t%-30.30s\t%3d\n", "EL_NUM_FCNS", count);

	    printf("typedef el_action_t (*el_func_t)(EditLine *, int);");
	    printf("\nprotected const el_func_t* func__get(void);\n");
	    printf("#endif /* _h_fcns_c */\n");
	}'
	;;

#	generate fcns.c from various .h files
#
-fc)
    cat $FILES | $AWK '/el_action_t/ { print $3 }' | sort | $AWK '
	BEGIN {
	    printf("/* Automatically generated file, do not edit */\n");
	    printf("#include \"sys.h\"\n#include \"el.h\"\n");
	    printf("private const el_func_t el_func[] = {");
	    maxlen = 80;
	    needn = 1;
	    len = 0;
	}
	{
	    clen = 25 + 2;
	    len += clen;
	    if (len >= maxlen)
		needn = 1;
	    if (needn) {
		printf("\n    ");
		needn = 0;
		len = 4 + clen;
	    }
	    s = $1 ",";
	    printf("%-26.26s ", s);
	}
	END {
	    printf("\n};\n");
	    printf("\nprotected const el_func_t* func__get() { return el_func; }\n");
	}'
	;;

#	generate editline.c from various .c files
#
-e)
	echo "$FILES" | tr ' ' '\012' | $AWK '
	BEGIN {
	    printf("/* Automatically generated file, do not edit */\n");
	    printf("#define protected static\n");
	    printf("#define SCCSID\n");
	}
	{
	    printf("#include \"%s\"\n", $1);
	}'
	;;

#	generate man page fragment from various .c files
#
-m)
    cat $FILES | $AWK '
	BEGIN {
	    printf(".\\\" Section automatically generated with makelist\n");
	    printf(".Bl -tag -width 4n\n");
	}
	/\(\):/ {
	    pr = substr($2, 1, 2);
	    if (pr == "vi" || pr == "em" || pr == "ed") {
		name = substr($2, 1, length($2) - 3);
		fname = "";
		for (i = 1; i <= length(name); i++) {
		    s = substr(name, i, 1);
		    if (s == "_")
			s = "-";
		    fname = fname s;
		}

		printf(".It Ic %s\n", fname);
		ok = 1;
	    }
	}
	/^ \*/ {
	    if (ok) {
		for (i = 2; i < NF; i++)
		    printf("%s ", $i);
		printf("%s.\n", $i);
		ok = 0;
	    }
	}
	END {
	    printf(".El\n");
	    printf(".\\\" End of section automatically generated with makelist\n");
	}'
	;;

*)
    echo $USAGE 1>&2
    exit 1
    ;;

esac