/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2012 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* ksh builtin command api
*/
#ifndef _SHCMD_H
#define _SHCMD_H 1
#ifndef AST_PLUGIN_VERSION
#define AST_PLUGIN_VERSION(v) (v)
#endif
#define SH_PLUGIN_VERSION AST_PLUGIN_VERSION(20111111L)
#if __STDC__
#define SHLIB(m) unsigned long plugin_version(void) { return SH_PLUGIN_VERSION; }
#else
#define SHLIB(m) unsigned long plugin_version() { return SH_PLUGIN_VERSION; }
#endif
#ifndef SH_VERSION
# define Shell_t void
#endif
#ifndef NV_DEFAULT
# define Namval_t void
#endif
#undef Shbltin_t
struct Shbltin_s;
typedef struct Shbltin_s Shbltin_t;
#ifdef _SHTABLE_H /* pre-ksh93u+ -- obsolete */
typedef int (*Shbltin_f)(int, char**, void*);
#else
typedef int (*Shbltin_f)(int, char**, Shbltin_t*);
#endif /* _SHTABLE_H */
struct Shbltin_s
{
Shell_t* shp;
void* ptr;
int version;
int (*shrun)(int, char**);
int (*shtrap)(const char*, int);
void (*shexit)(int);
Namval_t* (*shbltin)(const char*, Shbltin_f, void*);
unsigned char notify;
unsigned char sigset;
unsigned char nosfio;
Namval_t* bnode;
Namval_t* vnode;
char* data;
int flags;
char* (*shgetenv)(const char*);
char* (*shsetenv)(const char*);
int invariant;
};
#if defined(SH_VERSION) || defined(_SH_PRIVATE)
# undef Shell_t
# undef Namval_t
#else
# define sh_context(c) ((Shbltin_t*)(c))
# define sh_run(c, ac, av) ((c)?(*sh_context(c)->shrun)(ac,av):-1)
# define sh_system(c,str) ((c)?(*sh_context(c)->shtrap)(str,0):system(str))
# define sh_exit(c,n) ((c)?(*sh_context(c)->shexit)(n):exit(n))
# define sh_checksig(c) ((c) && sh_context(c)->sigset)
# define sh_builtin(c,n,f,p) ((c)?(*sh_context(c)->shbltin)(n,(Shbltin_f)(f),sh_context(p)):0)
# if defined(SFIO_VERSION) || defined(_AST_H)
# define LIB_INIT(c)
# else
# define LIB_INIT(c) ((c) && (sh_context(c)->nosfio = 1))
# endif
# ifndef _CMD_H
# ifndef ERROR_NOTIFY
# define ERROR_NOTIFY 1
# endif
# define cmdinit(ac,av,c,cat,flg) do { if((ac)<=0) return(0); \
(sh_context(c)->notify = ((flg)&ERROR_NOTIFY)?1:0);} while(0)
# endif
#endif
#if _BLD_ast && defined(__EXPORT__)
#define extern __EXPORT__
#endif
extern int astintercept(Shbltin_t*, int);
#undef extern
#endif