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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1982-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* David Korn <dgk@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
#ifndef PATH_OFFSET
/*
* UNIX shell path handling interface
* Written by David Korn
* These are the definitions for the lexical analyzer
*/
#include "FEATURE/options"
#include <nval.h>
#if !defined(SHOPT_SPAWN)
# if _UWIN || _use_spawnveg || !_lib_fork
# define SHOPT_SPAWN 1
# endif
#endif /* !SHOPT_SPAWN */
#define PATH_PATH 0001
#define PATH_FPATH 0002
#define PATH_CDPATH 0004
#define PATH_BFPATH 0010
#define PATH_SKIP 0020
#define PATH_BUILTIN_LIB 0040
#define PATH_STD_DIR 0100 /* directory is on $(getconf PATH) */
#define PATH_OFFSET 2 /* path offset for path_join */
#define MAXDEPTH (sizeof(char*)==2?64:1024) /* maximum recursion depth*/
/*
* path component structure for path searching
*/
typedef struct pathcomp
{
struct pathcomp *next;
int refcount;
dev_t dev;
ino_t ino;
time_t mtime;
char *name;
char *lib;
char *blib;
void *bltin_lib;
unsigned short len;
unsigned short flags;
Shell_t *shp;
} Pathcomp_t;
#ifndef ARG_RAW
struct argnod;
#endif /* !ARG_RAW */
/* pathname handling routines */
extern void path_newdir(Pathcomp_t*);
extern Pathcomp_t *path_dirfind(Pathcomp_t*,const char*,int);
extern Pathcomp_t *path_unsetfpath(Pathcomp_t*);
extern Pathcomp_t *path_addpath(Pathcomp_t*,const char*,int);
extern Pathcomp_t *path_dup(Pathcomp_t*);
extern void path_delete(Pathcomp_t*);
extern void path_alias(Namval_t*,Pathcomp_t*);
extern Pathcomp_t *path_absolute(const char*, Pathcomp_t*);
extern char *path_basename(const char*);
extern char *path_fullname(const char*);
extern int path_expand(const char*, struct argnod**);
extern void path_exec(const char*,char*[],struct argnod*);
extern pid_t path_spawn(const char*,char*[],char*[],Pathcomp_t*,int);
#if defined(__EXPORT__) && defined(_BLD_DLL) && defined(_BLD_shell)
# define extern __EXPORT__
#endif
extern int path_open(const char*,Pathcomp_t*);
extern Pathcomp_t *path_get(const char*);
#undef extern
extern char *path_pwd(int);
extern Pathcomp_t *path_nextcomp(Pathcomp_t*,const char*,Pathcomp_t*);
extern int path_search(const char*,Pathcomp_t**,int);
extern char *path_relative(const char*);
extern int path_complete(const char*, const char*,struct argnod**);
#if SHOPT_BRACEPAT
extern int path_generate(struct argnod*,struct argnod**);
#endif /* SHOPT_BRACEPAT */
/* constant strings needed for whence */
extern const char e_timeformat[];
extern const char e_badtformat[];
extern const char e_dot[];
extern const char e_pfsh[];
extern const char e_pwd[];
extern const char e_logout[];
extern const char e_alphanum[];
extern const char e_mailmsg[];
extern const char e_suidprofile[];
extern const char e_sysprofile[];
extern const char e_traceprompt[];
extern const char e_crondir[];
#if SHOPT_SUID_EXEC
extern const char e_suidexec[];
#endif /* SHOPT_SUID_EXEC */
extern const char is_alias[];
extern const char is_builtin[];
extern const char is_spcbuiltin[];
extern const char is_builtver[];
extern const char is_reserved[];
extern const char is_talias[];
extern const char is_xalias[];
extern const char is_function[];
extern const char is_ufunction[];
#ifdef SHELLMAGIC
extern const char e_prohibited[];
#endif /* SHELLMAGIC */
#if SHOPT_ACCT
# include "FEATURE/acct"
# ifdef _sys_acct
extern void sh_accinit(void);
extern void sh_accbegin(const char*);
extern void sh_accend(void);
extern void sh_accsusp(void);
# else
# undef SHOPT_ACCT
# endif /* _sys_acct */
#endif /* SHOPT_ACCT */
#endif /*! PATH_OFFSET */
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