busybox/shell/shell_common.h

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/* vi: set sw=4 ts=4: */
/*
* Adapted from ash applet code
*
* This code is derived from software contributed to Berkeley by
* Kenneth Almquist.
*
* Copyright (c) 1989, 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Copyright (c) 1997-2005 Herbert Xu <herbert@gondor.apana.org.au>
* was re-ported from NetBSD and debianized.
*
* Copyright (c) 2010 Denys Vlasenko
* Split from ash.c
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
#ifndef SHELL_COMMON_H
#define SHELL_COMMON_H 1
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
extern const char defifsvar[] ALIGN1; /* "IFS= \t\n" */
#define defifs (defifsvar + 4)
extern const char defoptindvar[] ALIGN1; /* "OPTIND=1" */
/* Builtins */
struct builtin_read_params {
int read_flags;
void FAST_FUNC (*setvar)(const char *name, const char *val);
char **argv;
const char *ifs;
const char *opt_n;
const char *opt_p;
const char *opt_t;
const char *opt_u;
const char *opt_d;
};
enum {
BUILTIN_READ_SILENT = 1 << 0,
BUILTIN_READ_RAW = 1 << 1,
};
//TODO? do not provide bashisms if not asked for:
//#if !ENABLE_HUSH_BASH_COMPAT && !ENABLE_ASH_BASH_COMPAT
//#define shell_builtin_read(setvar,argv,ifs,read_flags,n,p,t,u,d)
// shell_builtin_read(setvar,argv,ifs,read_flags)
//#endif
const char* FAST_FUNC
shell_builtin_read(struct builtin_read_params *params);
int FAST_FUNC
shell_builtin_ulimit(char **argv);
POP_SAVED_FUNCTION_VISIBILITY
#endif