1 /* $NetBSD: bltin.h,v 1.16 2021/05/18 21:39:06 kre 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 #include "../var.h" 55 #undef stdout 56 #undef stderr 57 #undef putc 58 #undef putchar 59 #undef fileno 60 #undef ferror 61 #undef clearerr 62 #define FILE struct output 63 #define stdout out1 64 #define stderr out2 65 #ifdef __GNUC__ 66 #define _RETURN_INT(x) ({(x); 0;}) /* map from void foo() to int bar() */ 67 #else 68 #define _RETURN_INT(x) ((x), 0) /* map from void foo() to int bar() */ 69 #endif 70 #define fprintf(...) _RETURN_INT(outfmt(__VA_ARGS__)) 71 #define printf(...) _RETURN_INT(out1fmt(__VA_ARGS__)) 72 #define putc(c, file) _RETURN_INT(outc(c, file)) 73 #define putchar(c) _RETURN_INT(out1c(c)) 74 #define fputs(...) _RETURN_INT(outstr(__VA_ARGS__)) 75 #define fflush(f) _RETURN_INT(flushout(f)) 76 #define fileno(f) ((f)->fd) 77 #define ferror(f) ((f)->flags & OUTPUT_ERR) 78 #define clearerr(f) ((f)->flags &= ~OUTPUT_ERR) 79 #define INITARGS(argv) 80 #define err sh_err 81 #define verr sh_verr 82 #define errx sh_errx 83 #define verrx sh_verrx 84 #define warn sh_warn 85 #define vwarn sh_vwarn 86 #define warnx sh_warnx 87 #define vwarnx sh_vwarnx 88 #define exit sh_exit 89 #define setprogname(s) 90 #define getprogname() commandname 91 #define setlocate(l,s) 0 92 93 #define getenv(p) bltinlookup((p),0) 94 95 #else /* ! SHELL */ 96 #undef NULL 97 #include <stdio.h> 98 #undef main 99 #define INITARGS(argv) if ((commandname = argv[0]) == NULL) {fputs("Argc is zero\n", stderr); exit(2);} else 100 #endif /* ! SHELL */ 101 102 pointer stalloc(int); 103 104 int echocmd(int, char **); 105 106 107 extern const char *commandname; 108