busybox/shell/shell_common.h
Denys Vlasenko cde46f75cb shell: more efficient check for EOL in read
function                                             old     new   delta
shell_builtin_read                                  1334    1320     -14

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-09 14:04:07 +02:00

60 lines
1.5 KiB
C

/* 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" */
int FAST_FUNC is_well_formed_var_name(const char *s, char terminator);
/* Builtins */
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(void FAST_FUNC (*setvar)(const char *name, const char *val),
char **argv,
const char *ifs,
int read_flags,
const char *opt_n,
const char *opt_p,
const char *opt_t,
const char *opt_u,
const char *opt_d
);
int FAST_FUNC
shell_builtin_ulimit(char **argv);
POP_SAVED_FUNCTION_VISIBILITY
#endif