Imported Upstream version 93u+upstream

1 files changed, 259 insertions, 0 deletions

diff --git a/src/cmd/ksh93/include/shell.h b/src/cmd/ksh93/include/shell.h
new file mode 100644
index 0000000..ac80629
--- /dev/null
+++ b/src/cmd/ksh93/include/shell.h
@@ -0,0 +1,259 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1982-2012 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                            *
+*                                                                      *
+*                  David Korn <dgk@research.att.com>                   *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+#ifndef SH_INTERACTIVE
+/*
+ * David Korn
+ * AT&T Labs
+ *
+ * Interface definitions for shell command language
+ *
+ */
+
+#define SH_VERSION	20071012
+
+#include	<ast.h>
+#include	<cdt.h>
+#ifdef _SH_PRIVATE
+#   include	"name.h"
+#else
+#   include	<nval.h>
+#endif /* _SH_PRIVATE */
+
+#undef NOT_USED
+#define NOT_USED(x)	(&x,1)
+
+/* options */
+typedef struct
+{
+	unsigned long v[4];
+}
+Shopt_t;
+
+typedef struct Shell_s Shell_t;
+
+#include	<shcmd.h>
+
+typedef void	(*Shinit_f)(Shell_t*, int);
+#ifndef SH_wait_f_defined
+    typedef int	(*Shwait_f)(int, long, int);
+#   define SH_wait_f_defined
+#endif
+
+union Shnode_u;
+typedef union Shnode_u Shnode_t;
+
+#define SH_CFLAG	0
+#define SH_HISTORY	1	/* used also as a state */
+#define	SH_ERREXIT	2	/* used also as a state */
+#define	SH_VERBOSE	3	/* used also as a state */
+#define SH_MONITOR	4	/* used also as a state */
+#define	SH_INTERACTIVE	5	/* used also as a state */
+#define	SH_RESTRICTED	6
+#define	SH_XTRACE	7
+#define	SH_KEYWORD	8
+#define SH_NOUNSET	9
+#define SH_NOGLOB	10
+#define SH_ALLEXPORT	11
+#define SH_PFSH		12
+#define SH_IGNOREEOF	13
+#define SH_NOCLOBBER	14
+#define SH_MARKDIRS	15
+#define SH_BGNICE	16
+#define SH_VI		17
+#define SH_VIRAW	18
+#define	SH_TFLAG	19
+#define SH_TRACKALL	20
+#define	SH_SFLAG	21
+#define	SH_NOEXEC	22
+#define SH_GMACS	24
+#define SH_EMACS	25
+#define SH_PRIVILEGED	26
+#define SH_SUBSHARE	27	/* subshell shares state with parent */
+#define SH_NOLOG	28
+#define SH_NOTIFY	29
+#define SH_DICTIONARY	30
+#define SH_PIPEFAIL	32
+#define SH_GLOBSTARS	33
+#define SH_XARGS	34
+#define SH_RC		35
+#define SH_SHOWME	36
+#define SH_LETOCTAL	37
+
+/*
+ * passed as flags to builtins in Nambltin_t struct when BLT_OPTIM is on
+ */
+#define SH_BEGIN_OPTIM	0x1
+#define SH_END_OPTIM	0x2
+
+/* The following type is used for error messages */
+
+/* error messages */
+extern const char	e_defpath[];
+extern const char	e_found[];
+extern const char	e_nospace[];
+extern const char	e_format[];
+extern const char 	e_number[];
+extern const char	e_restricted[];
+extern const char	e_recursive[];
+extern char		e_version[];
+
+typedef struct sh_scope
+{
+	struct sh_scope	*par_scope;
+	int		argc;
+	char		**argv;
+	char		*cmdname;
+	char		*filename;
+	char		*funname;
+	int		lineno;
+	Dt_t		*var_tree;
+	struct sh_scope	*self;
+} Shscope_t;
+
+/*
+ * Saves the state of the shell
+ */
+
+struct Shell_s
+{
+	Shopt_t		options;	/* set -o options */
+	Dt_t		*var_tree;	/* for shell variables */
+	Dt_t		*fun_tree;	/* for shell functions */
+	Dt_t		*alias_tree;	/* for alias names */
+	Dt_t		*bltin_tree;    /* for builtin commands */
+	Shscope_t	*topscope;	/* pointer to top-level scope */
+	int		inlineno;	/* line number of current input file */
+	int		exitval;	/* most recent exit value */
+	unsigned char	trapnote;	/* set when trap/signal is pending */
+	char		shcomp;		/* set when runing shcomp */
+	short		subshell;	/* set for virtual subshell */
+#ifdef _SH_PRIVATE
+	_SH_PRIVATE
+#endif /* _SH_PRIVATE */
+};
+
+/* flags for sh_parse */
+#define SH_NL		1	/* Treat new-lines as ; */
+#define SH_EOF		2	/* EOF causes syntax error */
+
+/* symbolic values for sh_iogetiop */
+#define SH_IOCOPROCESS	(-2)
+#define SH_IOHISTFILE	(-3)
+
+#include	<cmd.h>
+
+/* symbolic value for sh_fdnotify */
+#define SH_FDCLOSE	(-1)
+
+#undef getenv			/* -lshell provides its own */
+
+#if defined(__EXPORT__) && defined(_DLL)
+#   ifdef _BLD_shell
+#	define extern __EXPORT__
+#   endif /* _BLD_shell */
+#endif /* _DLL */
+
+extern Dt_t		*sh_bltin_tree(void);
+extern void		sh_subfork(void);
+extern Shell_t		*sh_init(int,char*[],Shinit_f);
+extern int		sh_reinit(char*[]);
+extern int 		sh_eval(Sfio_t*,int);
+extern void 		sh_delay(double);
+extern void		*sh_parse(Shell_t*, Sfio_t*,int);
+extern int 		sh_trap(const char*,int);
+extern int 		sh_fun(Namval_t*,Namval_t*, char*[]);
+extern int 		sh_funscope(int,char*[],int(*)(void*),void*,int);
+extern Sfio_t		*sh_iogetiop(int,int);
+extern int		sh_main(int, char*[], Shinit_f);
+extern int		sh_run(int, char*[]);
+extern void		sh_menu(Sfio_t*, int, char*[]);
+extern Namval_t		*sh_addbuiltin(const char*, int(*)(int, char*[],Shbltin_t*), void*);
+extern char		*sh_fmtq(const char*);
+extern char		*sh_fmtqf(const char*, int, int);
+extern Sfdouble_t	sh_strnum(const char*, char**, int);
+extern int		sh_access(const char*,int);
+extern int 		sh_close(int);
+extern int 		sh_dup(int);
+extern void 		sh_exit(int);
+extern int		sh_fcntl(int, int, ...);
+extern Sfio_t		*sh_fd2sfio(int);
+extern int		(*sh_fdnotify(int(*)(int,int)))(int,int);
+extern Shell_t		*sh_getinterp(void);
+extern int		sh_open(const char*, int, ...);
+extern int		sh_openmax(void);
+extern Sfio_t		*sh_pathopen(const char*);
+extern ssize_t 		sh_read(int, void*, size_t);
+extern ssize_t 		sh_write(int, const void*, size_t);
+extern off_t		sh_seek(int, off_t, int);
+extern int 		sh_pipe(int[]);
+extern mode_t 		sh_umask(mode_t);
+extern void		*sh_waitnotify(Shwait_f);
+extern Shscope_t	*sh_getscope(int,int);
+extern Shscope_t	*sh_setscope(Shscope_t*);
+extern void		sh_sigcheck(void);
+extern unsigned long	sh_isoption(int);
+extern unsigned long	sh_onoption(int);
+extern unsigned long	sh_offoption(int);
+extern int 		sh_waitsafe(void);
+extern int		sh_exec(const Shnode_t*,int);
+
+#if SHOPT_DYNAMIC
+    extern void		**sh_getliblist(void);
+#endif /* SHOPT_DYNAMIC */
+
+/*
+ * direct access to sh is obsolete, use sh_getinterp() instead
+ */
+#if !defined(_SH_PRIVATE) && defined(__IMPORT__) && !defined(_BLD_shell)
+	extern __IMPORT__  Shell_t sh;
+#else
+	extern Shell_t sh;
+#endif
+
+#ifdef _DLL
+#   undef extern
+#endif /* _DLL */
+
+#ifndef _SH_PRIVATE
+#   define access(a,b)	sh_access(a,b)
+#   define close(a)	sh_close(a)
+#   define exit(a)	sh_exit(a)
+#   define fcntl(a,b,c)	sh_fcntl(a,b,c)
+#   define pipe(a)	sh_pipe(a)
+#   define read(a,b,c)	sh_read(a,b,c)
+#   define write(a,b,c)	sh_write(a,b,c)
+#   define umask(a)	sh_umask(a)
+#   define dup		sh_dup
+#   if _lib_lseek64
+#	define open64	sh_open
+#	define lseek64	sh_seek
+#   else
+#	define open	sh_open
+#	define lseek	sh_seek
+#   endif
+#endif /* !_SH_PRIVATE */
+
+#define SH_SIGSET	4
+#define SH_EXITSIG	0400	/* signal exit bit */
+#define SH_EXITMASK	(SH_EXITSIG-1)	/* normal exit status bits */
+#define SH_RUNPROG	-1022	/* needs to be negative and < 256 */
+
+#endif /* SH_INTERACTIVE */