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1 /*	$NetBSD: bltin.h,v 1.11 2003/08/07 09:05:40 agc 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.  If SHELL is defined, we try to map the standard UNIX library
40  * routines to ash routines using defines.
41  */
42 
43 #include "../shell.h"
44 #include "../mystring.h"
45 #ifdef SHELL
46 #include "../output.h"
47 #include "../error.h"
48 #undef stdout
49 #undef stderr
50 #undef putc
51 #undef putchar
52 #undef fileno
53 #define stdout out1
54 #define stderr out2
55 #define printf out1fmt
56 #define putc(c, file)	outc(c, file)
57 #define putchar(c)	out1c(c)
58 #define FILE struct output
59 #define fprintf outfmt
60 #define fputs outstr
61 #define fflush flushout
62 #define fileno(f) ((f)->fd)
63 #define INITARGS(argv)
64 #define	err sh_err
65 #define	verr sh_verr
66 #define	errx sh_errx
67 #define	verrx sh_verrx
68 #define	warn sh_warn
69 #define	vwarn sh_vwarn
70 #define	warnx sh_warnx
71 #define	vwarnx sh_vwarnx
72 #define exit sh_exit
73 #define setprogname(s)
74 #define getprogname() commandname
75 #define setlocate(l,s) 0
76 
77 #define getenv(p) bltinlookup((p),0)
78 
79 #else
80 #undef NULL
81 #include <stdio.h>
82 #undef main
83 #define INITARGS(argv)	if ((commandname = argv[0]) == NULL) {fputs("Argc is zero\n", stderr); exit(2);} else
84 #endif
85 
86 pointer stalloc(int);
87 void error(const char *, ...);
88 void sh_warnx(const char *, ...);
89 void sh_exit(int) __attribute__((__noreturn__));
90 
91 int echocmd(int, char **);
92 
93 
94 extern const char *commandname;
95