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authorIgor Pashev <pashev.igor@gmail.com>2012-06-24 22:28:35 +0000
committerIgor Pashev <pashev.igor@gmail.com>2012-06-24 22:28:35 +0000
commit3950ffe2a485479f6561c27364d3d7df5a21d124 (patch)
tree468c6e14449d1b1e279222ec32f676b0311917d2 /src/lib/libast/include/shcmd.h
downloadksh-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.h112
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
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--- /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