138 lines
4.5 KiB
C
138 lines
4.5 KiB
C
/***********************************************************************
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* *
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* This software is part of the ast package *
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* Copyright (c) 1982-2012 AT&T Intellectual Property *
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* Copyright (c) 2020-2022 Contributors to ksh 93u+m *
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* and is licensed under the *
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* Eclipse Public License, Version 2.0 *
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* *
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* A copy of the License is available at *
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* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html *
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* (with md5 checksum 84283fa8859daf213bdda5a9f8d1be1d) *
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* *
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* David Korn <dgk@research.att.com> *
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* *
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***********************************************************************/
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#ifndef PATH_OFFSET
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/*
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* UNIX shell path handling interface
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* Written by David Korn
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* These are the definitions for the lexical analyzer
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*/
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#include "FEATURE/options"
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#include <nval.h>
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#include "defs.h"
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#if !defined(SHOPT_SPAWN)
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# if _use_spawnveg
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# define SHOPT_SPAWN 1
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# endif
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#endif /* !SHOPT_SPAWN */
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#define PATH_PATH 0001
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#define PATH_FPATH 0002
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#define PATH_CDPATH 0004
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#define PATH_BFPATH 0010
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#define PATH_SKIP 0020
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#define PATH_BUILTIN_LIB 0040
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#define PATH_STD_DIR 0100 /* directory is on $(getconf PATH) */
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#define PATH_OFFSET 2 /* path offset for path_join */
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#define MAXDEPTH (sizeof(char*)==2?64:1024) /* maximum recursion depth */
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/*
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* path component structure for path searching
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*/
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typedef struct pathcomp
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{
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struct pathcomp *next;
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int refcount;
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dev_t dev;
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ino_t ino;
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time_t mtime;
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char *name;
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char *lib;
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char *bbuf;
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char *blib;
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unsigned short len;
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unsigned short flags;
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} Pathcomp_t;
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#ifndef ARG_RAW
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struct argnod;
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#endif /* !ARG_RAW */
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/* pathname handling routines */
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extern void path_newdir(Pathcomp_t*);
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extern Pathcomp_t *path_dirfind(Pathcomp_t*,const char*,int);
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extern Pathcomp_t *path_unsetfpath(void);
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extern Pathcomp_t *path_addpath(Pathcomp_t*,const char*,int);
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extern Pathcomp_t *path_dup(Pathcomp_t*);
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extern void path_delete(Pathcomp_t*);
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extern void path_alias(Namval_t*,Pathcomp_t*);
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extern Pathcomp_t *path_absolute(const char*, Pathcomp_t*, int);
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extern char *path_basename(const char*);
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extern char *path_fullname(const char*);
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extern int path_expand(const char*, struct argnod**);
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extern noreturn void path_exec(const char*,char*[],struct argnod*);
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extern pid_t path_spawn(const char*,char*[],char*[],Pathcomp_t*,int);
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extern int path_open(const char*,Pathcomp_t*);
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extern Pathcomp_t *path_get(const char*);
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extern char *path_pwd(void);
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extern Pathcomp_t *path_nextcomp(Pathcomp_t*,const char*,Pathcomp_t*);
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extern int path_search(const char*,Pathcomp_t**,int);
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extern char *path_relative(const char*);
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extern int path_complete(const char*, const char*,struct argnod**);
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#if SHOPT_BRACEPAT
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extern int path_generate(struct argnod*,struct argnod**);
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#endif /* SHOPT_BRACEPAT */
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#if SHOPT_DYNAMIC
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/* builtin/plugin routines */
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extern int sh_addlib(void*,char*,Pathcomp_t*);
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extern Shbltin_f sh_getlib(char*,Pathcomp_t*);
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#endif /* SHOPT_DYNAMIC */
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/* constant strings needed for whence */
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extern const char e_timeformat[];
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extern const char e_badtformat[];
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extern const char e_funload[];
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extern const char e_pwd[];
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extern const char e_logout[];
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extern const char e_alphanum[];
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extern const char e_mailmsg[];
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extern const char e_suidprofile[];
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extern const char e_sysprofile[];
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extern const char e_traceprompt[];
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#if SHOPT_SUID_EXEC
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extern const char e_suidexec[];
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#endif /* SHOPT_SUID_EXEC */
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extern const char is_alias[];
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extern const char is_builtin[];
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extern const char is_spcbuiltin[];
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extern const char is_builtver[];
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extern const char is_reserved[];
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extern const char is_talias[];
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extern const char is_function[];
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extern const char is_ufunction[];
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extern const char e_autoloadfrom[];
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#ifdef SHELLMAGIC
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extern const char e_prohibited[];
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#endif /* SHELLMAGIC */
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#if SHOPT_ACCT
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# include "FEATURE/acct"
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# ifdef _sys_acct
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extern void sh_accinit(void);
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extern void sh_accbegin(const char*);
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extern void sh_accend(void);
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extern void sh_accsusp(void);
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# else
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# undef SHOPT_ACCT
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# endif /* _sys_acct */
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#endif /* SHOPT_ACCT */
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#endif /*! PATH_OFFSET */
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