xref: /freebsd/bin/sh/bltin/bltin.h (revision 952d112864d8008aa87278a30a539d888a8493cd)
1 /*-
2  * Copyright (c) 1991, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Kenneth Almquist.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)bltin.h	8.2 (Berkeley) 5/4/95
37  *	$Id$
38  */
39 
40 /*
41  * This file is included by programs which are optionally built into the
42  * shell.  If SHELL is defined, we try to map the standard UNIX library
43  * routines to ash routines using defines.
44  */
45 
46 #include "../shell.h"
47 #include "../mystring.h"
48 #ifdef SHELL
49 #include "../output.h"
50 #undef stdout
51 #define stdout out1
52 #undef stderr
53 #define stderr out2
54 #define printf out1fmt
55 #undef putc
56 #define putc(c, file)	outc(c, file)
57 #undef putchar
58 #define putchar(c)	out1c(c)
59 #define fprintf outfmt
60 #define fputs outstr
61 #define fflush flushout
62 #define INITARGS(argv)
63 #define warnx(a, b, c) {				\
64 	char buf[64];					\
65 	(void)snprintf(buf, sizeof(buf), a, b, c);	\
66 	error("%s", buf);				\
67 }
68 
69 #else
70 #undef NULL
71 #include <stdio.h>
72 #undef main
73 #define INITARGS(argv)	if ((commandname = argv[0]) == NULL) {fputs("Argc is zero\n", stderr); exit(2);} else
74 #endif
75 
76 #ifdef __STDC__
77 pointer stalloc(int);
78 void error(char *, ...);
79 #else
80 pointer stalloc();
81 void error();
82 #endif
83 
84 
85 extern char *commandname;
86