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author | Igor Pashev <pashev.igor@gmail.com> | 2012-06-24 22:28:35 +0000 |
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committer | Igor Pashev <pashev.igor@gmail.com> | 2012-06-24 22:28:35 +0000 |
commit | 3950ffe2a485479f6561c27364d3d7df5a21d124 (patch) | |
tree | 468c6e14449d1b1e279222ec32f676b0311917d2 /src/lib/libast/include/shcmd.h | |
download | ksh-upstream.tar.gz |
Imported Upstream version 93u+upstream
Diffstat (limited to 'src/lib/libast/include/shcmd.h')
-rw-r--r-- | src/lib/libast/include/shcmd.h | 112 |
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 |