bin/sh/bltin/bltin.h

   1 /*      $NetBSD: bltin.h,v 1.12 2008/03/29 09:55:40 apb 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;