Imported Upstream version 93u+upstream

1 files changed, 112 insertions, 0 deletions

diff --git a/src/lib/libast/include/shcmd.h b/src/lib/libast/include/shcmd.h
new file mode 100644
index 0000000..16acdac
--- /dev/null
+++ b/src/lib/libast/include/shcmd.h
@@ -0,0 +1,112 @@
+/***********************************************************************
+*                                                                      *
+*               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