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bltin.h revision 1.11 
      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