LXR busybox/shell/shell

   1/* vi: set sw=4 ts=4: */
   2/*
   3 * Adapted from ash applet code
   4 *
   5 * This code is derived from software contributed to Berkeley by
   6 * Kenneth Almquist.
   7 *
   8 * Copyright (c) 1989, 1991, 1993, 1994
   9 *      The Regents of the University of California.  All rights reserved.
  10 *
  11 * Copyright (c) 1997-2005 Herbert Xu <herbert@gondor.apana.org.au>
  12 * was re-ported from NetBSD and debianized.
  13 *
  14 * Copyright (c) 2010 Denys Vlasenko
  15 * Split from ash.c
  16 *
  17 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  18 */
  19#ifndef SHELL_COMMON_H
  20#define SHELL_COMMON_H 1
  21
  22PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
  23
  24extern const char defifsvar[] ALIGN1; /* "IFS= \t\n" */
  25#define defifs (defifsvar + 4)
  26
  27extern const char defoptindvar[] ALIGN1; /* "OPTIND=1" */
  28
  29int FAST_FUNC is_well_formed_var_name(const char *s, char terminator);
  30
  31/* Builtins */
  32
  33struct builtin_read_params {
  34        int        read_flags;
  35        void FAST_FUNC (*setvar)(const char *name, const char *val);
  36        char       **argv;
  37        const char *ifs;
  38        const char *opt_n;
  39        const char *opt_p;
  40        const char *opt_t;
  41        const char *opt_u;
  42        const char *opt_d;
  43};
  44enum {
  45        BUILTIN_READ_SILENT = 1 << 0,
  46        BUILTIN_READ_RAW    = 1 << 1,
  47};
  48//TODO? do not provide bashisms if not asked for:
  49//#if !ENABLE_HUSH_BASH_COMPAT && !ENABLE_ASH_BASH_COMPAT
  50//#define shell_builtin_read(setvar,argv,ifs,read_flags,n,p,t,u,d)
  51//      shell_builtin_read(setvar,argv,ifs,read_flags)
  52//#endif
  53const char* FAST_FUNC
  54shell_builtin_read(struct builtin_read_params *params);
  55
  56int FAST_FUNC
  57shell_builtin_ulimit(char **argv);
  58
  59POP_SAVED_FUNCTION_VISIBILITY
  60
  61#endif
  62