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authorKirill Volinsky <mataes2007@gmail.com>2012-07-23 13:52:57 +0000
committerKirill Volinsky <mataes2007@gmail.com>2012-07-23 13:52:57 +0000
commit89c5b2369413025e1fe7dfe5c5d0bf3bedd8558d (patch)
tree18f09394ce3b811e3df7d15de747e842000bd4ad /plugins/SmartAutoReplier/lualib/loadlib.c
parenta9580df150d799246eaecbf3c1fb5cecf9f8ab49 (diff)
git-svn-id: http://svn.miranda-ng.org/main/trunk@1123 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
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diff --git a/plugins/SmartAutoReplier/lualib/loadlib.c b/plugins/SmartAutoReplier/lualib/loadlib.c
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-/*
-** $Id: loadlib.c,v 1.4 2003/04/07 20:11:53 roberto Exp $
-** Dynamic library loader for Lua
-** See Copyright Notice in lua.h
-*
-* This Lua library exports a single function, called loadlib, which is
-* called from Lua as loadlib(lib,init), where lib is the full name of the
-* library to be loaded (including the complete path) and init is the name
-* of a function to be called after the library is loaded. Typically, this
-* function will register other functions, thus making the complete library
-* available to Lua. The init function is *not* automatically called by
-* loadlib. Instead, loadlib returns the init function as a Lua function
-* that the client can call when it thinks is appropriate. In the case of
-* errors, loadlib returns nil and two strings describing the error.
-* The first string is supplied by the operating system; it should be
-* informative and useful for error messages. The second string is "open",
-* "init", or "absent" to identify the error and is meant to be used for
-* making decisions without having to look into the first string (whose
-* format is system-dependent).
-*
-* This module contains an implementation of loadlib for Unix systems that
-* have dlfcn, an implementation for Windows, and a stub for other systems.
-* See the list at the end of this file for some links to available
-* implementations of dlfcn and interfaces to other native dynamic loaders
-* on top of which loadlib could be implemented.
-*
-*/
-
-#include "lua.h"
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-#undef LOADLIB
-
-
-#ifdef USE_DLOPEN
-#define LOADLIB
-/*
-* This is an implementation of loadlib based on the dlfcn interface.
-* The dlfcn interface is available in Linux, SunOS, Solaris, IRIX, FreeBSD,
-* NetBSD, AIX 4.2, HPUX 11, and probably most other Unix flavors, at least
-* as an emulation layer on top of native functions.
-*/
-
-#include <dlfcn.h>
-
-static int loadlib(lua_State *L)
-{
- const char *path=luaL_checkstring(L,1);
- const char *init=luaL_checkstring(L,2);
- void *lib=dlopen(path,RTLD_NOW);
- if (lib!=NULL)
- {
- lua_CFunction f=(lua_CFunction) dlsym(lib,init);
- if (f!=NULL)
- {
- lua_pushlightuserdata(L,lib);
- lua_pushcclosure(L,f,1);
- return 1;
- }
- }
- /* else return appropriate error messages */
- lua_pushnil(L);
- lua_pushstring(L,dlerror());
- lua_pushstring(L,(lib!=NULL) ? "init" : "open");
- if (lib!=NULL) dlclose(lib);
- return 3;
-}
-
-#endif
-
-
-
-/*
-** In Windows, default is to use dll; otherwise, default is not to use dll
-*/
-#ifndef USE_DLL
-#ifdef _WIN32
-#define USE_DLL 1
-#else
-#define USE_DLL 0
-#endif
-#endif
-
-
-#if USE_DLL
-#define LOADLIB
-/*
-* This is an implementation of loadlib for Windows using native functions.
-*/
-
-#include <windows.h>
-
-static void pusherror(lua_State *L)
-{
- int error=GetLastError();
- char buffer[128];
- if (FormatMessage(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM,
- 0, error, 0, buffer, sizeof(buffer), 0))
- lua_pushstring(L,buffer);
- else
- lua_pushfstring(L,"system error %d\n",error);
-}
-
-static int loadlib(lua_State *L)
-{
- const char *path=luaL_checkstring(L,1);
- const char *init=luaL_checkstring(L,2);
- HINSTANCE lib=LoadLibrary(path);
- if (lib!=NULL)
- {
- lua_CFunction f=(lua_CFunction) GetProcAddress(lib,init);
- if (f!=NULL)
- {
- lua_pushlightuserdata(L,lib);
- lua_pushcclosure(L,f,1);
- return 1;
- }
- }
- lua_pushnil(L);
- pusherror(L);
- lua_pushstring(L,(lib!=NULL) ? "init" : "open");
- if (lib!=NULL) FreeLibrary(lib);
- return 3;
-}
-
-#endif
-
-
-
-#ifndef LOADLIB
-/* Fallback for other systems */
-
-/*
-** Those systems support dlopen, so they should have defined USE_DLOPEN.
-** The default (no)implementation gives them a special error message.
-*/
-#ifdef linux
-#define LOADLIB
-#endif
-
-#ifdef sun
-#define LOADLIB
-#endif
-
-#ifdef sgi
-#define LOADLIB
-#endif
-
-#ifdef BSD
-#define LOADLIB
-#endif
-
-#ifdef _WIN32
-#define LOADLIB
-#endif
-
-#ifdef LOADLIB
-#undef LOADLIB
-#define LOADLIB "`loadlib' not installed (check your Lua configuration)"
-#else
-#define LOADLIB "`loadlib' not supported"
-#endif
-
-static int loadlib(lua_State *L)
-{
- lua_pushnil(L);
- lua_pushliteral(L,LOADLIB);
- lua_pushliteral(L,"absent");
- return 3;
-}
-#endif
-
-LUALIB_API int luaopen_loadlib (lua_State *L)
-{
- lua_register(L,"loadlib",loadlib);
- return 0;
-}
-
-/*
-* Here are some links to available implementations of dlfcn and
-* interfaces to other native dynamic loaders on top of which loadlib
-* could be implemented. Please send contributions and corrections to us.
-*
-* AIX
-* Starting with AIX 4.2, dlfcn is included in the base OS.
-* There is also an emulation package available.
-* http://www.faqs.org/faqs/aix-faq/part4/section-21.html
-*
-* HPUX
-* HPUX 11 has dlfcn. For HPUX 10 use shl_*.
-* http://www.geda.seul.org/mailinglist/geda-dev37/msg00094.html
-* http://www.stat.umn.edu/~luke/xls/projects/dlbasics/dlbasics.html
-*
-* Macintosh, Windows
-* http://www.stat.umn.edu/~luke/xls/projects/dlbasics/dlbasics.html
-*
-* Mac OS X/Darwin
-* http://www.opendarwin.org/projects/dlcompat/
-*
-* GLIB has wrapper code for BeOS, OS2, Unix and Windows
-* http://cvs.gnome.org/lxr/source/glib/gmodule/
-*
-*/