shell/shell_common.h

   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
  22 PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
  23
  24 extern const char defifsvar[] ALIGN1; /* "IFS= \t\n" */
  25 #define defifs (defifsvar + 4)
  26
  27 extern const char defoptindvar[] ALIGN1; /* "OPTIND=1" */
  28
  29 int FAST_FUNC varcmp(const char *p, const char *q);
  30
  31 /* Builtins */
  32
  33 struct 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 };
  44 enum {
  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
  53 const char* FAST_FUNC
  54 shell_builtin_read(struct builtin_read_params *params);
  55
  56 int FAST_FUNC
  57 shell_builtin_ulimit(char **argv);
  58
  59 POP_SAVED_FUNCTION_VISIBILITY
  60
  61 #endif