sys/vfs/hammer2: Use howmany() to calculate bulkfree bmap size
[dragonfly.git] / bin / sh / mkbuiltins
blob4d257ce051e0dfdcc3e9a851f850163a2fd4f8c6
1 #!/bin/sh -
3 #-
4 # Copyright (c) 1991, 1993
5 # The Regents of the University of California. All rights reserved.
7 # This code is derived from software contributed to Berkeley by
8 # Kenneth Almquist.
10 # Redistribution and use in source and binary forms, with or without
11 # modification, are permitted provided that the following conditions
12 # are met:
13 # 1. Redistributions of source code must retain the above copyright
14 # notice, this list of conditions and the following disclaimer.
15 # 2. Redistributions in binary form must reproduce the above copyright
16 # notice, this list of conditions and the following disclaimer in the
17 # documentation and/or other materials provided with the distribution.
18 # 3. Neither the name of the University nor the names of its contributors
19 # may be used to endorse or promote products derived from this software
20 # without specific prior written permission.
22 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 # SUCH DAMAGE.
34 # @(#)mkbuiltins 8.2 (Berkeley) 5/4/95
35 # $FreeBSD: head/bin/sh/mkbuiltins 360210 2020-04-22 21:45:43Z jilles $
37 temp=`mktemp -t ka`
38 srcdir=$1
39 havejobs=0
40 if grep '^#define[ ]*JOBS[ ]*1' $srcdir/shell.h > /dev/null
41 then havejobs=1
43 exec > builtins.c
44 cat <<\!
46 * This file was generated by the mkbuiltins program.
49 #include <stdlib.h>
50 #include "shell.h"
51 #include "builtins.h"
54 awk '/^[^#]/ {if('$havejobs' || $2 != "-j") \
55 print $0}' $srcdir/builtins.def | sed 's/-j//' > $temp
56 echo 'int (*const builtinfunc[])(int, char **) = {'
57 awk '/^[^#]/ { printf "\t%s,\n", $1}' $temp
58 echo '};
60 const unsigned char builtincmd[] = {'
61 awk '{ for (i = 2 ; i <= NF ; i++) {
62 if ($i == "-s") {
63 spc = 1;
64 } else if ($i == "-n") {
65 # Handled later for builtins.h
66 continue
67 } else {
68 printf "\t\"\\%03o\\%03o%s\"\n", length($i), (spc ? 128 : 0) + NR-1, $i
69 spc = 0;
71 }}' $temp
72 echo '};'
74 exec > builtins.h
75 cat <<\!
77 * This file was generated by the mkbuiltins program.
80 #include <sys/cdefs.h>
82 tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
83 awk '{ printf "#define %s %d\n", $1, NR-1}'
84 echo '
85 #define BUILTIN_SPECIAL 0x80
87 extern int (*const builtinfunc[])(int, char **);
88 extern const unsigned char builtincmd[];
90 awk '{ printf "int %s(int, char **);\n", $1}' $temp
92 # Build safe_builtin_always()
93 cat <<EOF
95 static inline int
96 safe_builtin_always(int idx)
98 EOF
99 awk '
100 BEGIN { printed = 0 }
102 for (i = 2 ; i <= NF ; i++) {
103 if ($i == "-s") {
104 continue
105 } else if ($i == "-n") {
106 nofork = 1;
107 } else {
108 if (nofork == 0) {
109 continue
111 if (printed == 1) {
112 printf " || \n\t "
113 } else {
114 printf "\tif ("
116 printf "idx == " toupper($1)
117 printed = 1
118 nofork = 0;
119 # Only need to check each once
120 break
123 }' $temp
125 cat << EOF
127 return (1);
128 return(0);
132 rm -f $temp