From faada59567f8cb252f4a909116595ce309ff5828 Mon Sep 17 00:00:00 2001
From: "N.N." <krzyszcz@users.sourceforge.net>
Date: Fri, 23 May 2003 12:29:55 +0000
Subject: This commit was generated by cvs2svn to compensate for changes in
 r647, which included commits to RCS files with non-trunk default branches.

svn path=/trunk/externals/miXed/; revision=648
---
 shared/unstable/loader.c | 139 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 shared/unstable/loader.c

(limited to 'shared/unstable/loader.c')

diff --git a/shared/unstable/loader.c b/shared/unstable/loader.c
new file mode 100644
index 0000000..91b7ff3
--- /dev/null
+++ b/shared/unstable/loader.c
@@ -0,0 +1,139 @@
+/* Copyright (c) 1997-2003 Miller Puckette, krzYszcz, and others.
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+/* This is just a not-yet-in-the-API-sys_load_lib() duplication
+   (modulo differentiating the error return codes).  LATER use the original. */
+
+#include "loader.h"
+
+#ifdef __linux__
+#include <dlfcn.h>
+#endif
+#ifdef UNIX
+#include <stdlib.h>
+#include <unistd.h>
+#endif
+#ifdef NT
+#include <io.h>
+#include <windows.h>
+#endif
+#ifdef MACOSX
+#include <mach-o/dyld.h> 
+#endif
+#include <string.h>
+#include "m_pd.h"
+#include <stdio.h>
+
+typedef void (*t_xxx)(void);
+
+static char sys_dllextent[] = 
+#ifdef __FreeBSD__
+    ".pd_freebsd";
+#endif
+#ifdef IRIX
+#ifdef N32
+    ".pd_irix6";
+#else
+    ".pd_irix5";
+#endif
+#endif
+#ifdef __linux__
+    ".pd_linux";
+#endif
+#ifdef MACOSX
+    ".pd_darwin";
+#endif
+#ifdef NT
+    ".dll";
+#endif
+
+int unstable_load_lib(char *dirname, char *classname)
+{
+    char symname[MAXPDSTRING], filename[MAXPDSTRING], dirbuf[MAXPDSTRING],
+    	*nameptr, *lastdot;
+    void *dlobj;
+    t_xxx makeout;
+    int fd;
+#ifdef NT
+    HINSTANCE ntdll;
+#endif
+#if 0
+    fprintf(stderr, "lib %s %s\n", dirname, classname);
+#endif
+    if ((fd = open_via_path(dirname, classname, sys_dllextent,
+    	dirbuf, &nameptr, MAXPDSTRING, 1)) < 0)
+    {
+    	return (LOADER_NOFILE);
+    }
+    else
+    {
+    	close(fd);
+    	    /* refabricate the pathname */
+	strcpy(filename, dirbuf);
+	strcat(filename, "/");
+	strcat(filename, nameptr);
+    	    /* extract the setup function name */
+    	if (lastdot = strrchr(nameptr, '.'))
+	    *lastdot = 0;
+
+#ifdef MACOSX
+    	strcpy(symname, "_");
+    	strcat(symname, nameptr);
+#else
+    	strcpy(symname, nameptr);
+#endif
+	    /* if the last character is a tilde, replace with "_tilde" */
+	if (symname[strlen(symname) - 1] == '~')
+	    strcpy(symname + (strlen(symname) - 1), "_tilde");
+	    /* and append _setup to form the C setup function name */
+    	strcat(symname, "_setup");
+#ifdef __linux__
+	dlobj = dlopen(filename, RTLD_NOW | RTLD_GLOBAL);
+	if (!dlobj)
+	{
+	    post("%s: %s", filename, dlerror());
+	    return (LOADER_BADFILE);
+	}
+	makeout = (t_xxx)dlsym(dlobj,  symname);
+#endif
+#ifdef NT
+	sys_bashfilename(filename, filename);
+    	ntdll = LoadLibrary(filename);
+    	if (!ntdll)
+    	{
+	    post("%s: couldn't load", filename);
+	    return (LOADER_BADFILE);
+	}
+    	makeout = (t_xxx)GetProcAddress(ntdll, symname);  
+#endif
+#ifdef MACOSX
+        {
+            NSObjectFileImage image; 
+            void *ret;
+            NSSymbol s; 
+            if ( NSCreateObjectFileImageFromFile( filename, &image) != NSObjectFileImageSuccess )
+            {
+                post("%s: couldn't load", filename);
+                return (LOADER_BADFILE);
+            }
+            ret = NSLinkModule( image, filename,
+				NSLINKMODULE_OPTION_BINDNOW
+				+ NSLINKMODULE_OPTION_PRIVATE);
+            
+            s = NSLookupSymbolInModule(ret, symname); 
+        
+            if (s)
+                makeout = (t_xxx)NSAddressOfSymbol( s);
+            else makeout = 0;
+        }
+#endif
+    }
+    if (!makeout)
+    {
+    	post("load_object: Symbol \"%s\" not found", symname);
+    	return (LOADER_NOENTRY);
+    }
+    (*makeout)();
+    return (LOADER_OK);
+}
-- 
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