xref: /minix/bin/sh/bltin/bltin.h (revision 83133719)
1 /*	$NetBSD: bltin.h,v 1.13 2008/10/12 01:40:37 dholland Exp $	*/
2 
3 /*-
4  * Copyright (c) 1991, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Kenneth Almquist.
9  *
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.
21  *
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.
33  *
34  *	@(#)bltin.h	8.1 (Berkeley) 5/31/93
35  */
36 
37 /*
38  * This file is included by programs which are optionally built into the
39  * shell.
40  *
41  * We always define SHELL_BUILTIN, to allow other included headers to
42  * hide some of their symbols if appropriate.
43  *
44  * If SHELL is defined, we try to map the standard UNIX library routines
45  * to ash routines using defines.
46  */
47 
48 #define SHELL_BUILTIN
49 #include "../shell.h"
50 #include "../mystring.h"
51 #ifdef SHELL
52 #include "../output.h"
53 #include "../error.h"
54 #undef stdout
55 #undef stderr
56 #undef putc
57 #undef putchar
58 #undef fileno
59 #undef ferror
60 #define FILE struct output
61 #define stdout out1
62 #define stderr out2
63 #define _RETURN_INT(x)	((x), 0) /* map from void foo() to int bar() */
64 #define fprintf(...)	_RETURN_INT(outfmt(__VA_ARGS__))
65 #define printf(...)	_RETURN_INT(out1fmt(__VA_ARGS__))
66 #define putc(c, file)	_RETURN_INT(outc(c, file))
67 #define putchar(c)	_RETURN_INT(out1c(c))
68 #define fputs(...)	_RETURN_INT(outstr(__VA_ARGS__))
69 #define fflush(f)	_RETURN_INT(flushout(f))
70 #define fileno(f) ((f)->fd)
71 #define ferror(f) ((f)->flags & OUTPUT_ERR)
72 #define INITARGS(argv)
73 #define	err sh_err
74 #define	verr sh_verr
75 #define	errx sh_errx
76 #define	verrx sh_verrx
77 #define	warn sh_warn
78 #define	vwarn sh_vwarn
79 #define	warnx sh_warnx
80 #define	vwarnx sh_vwarnx
81 #define exit sh_exit
82 #define setprogname(s)
83 #define getprogname() commandname
84 #define setlocate(l,s) 0
85 
86 #define getenv(p) bltinlookup((p),0)
87 
88 #else /* ! SHELL */
89 #undef NULL
90 #include <stdio.h>
91 #undef main
92 #define INITARGS(argv)	if ((commandname = argv[0]) == NULL) {fputs("Argc is zero\n", stderr); exit(2);} else
93 #endif /* ! SHELL */
94 
95 pointer stalloc(int);
96 
97 int echocmd(int, char **);
98 
99 
100 extern const char *commandname;
101