Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtksh/findsym.c

@@ -0,0 +1,81 @@
+/* $XConsortium: findsym.c /main/5 1995/11/09 09:32:59 rswiston $ */
+
+/*	Copyright (c) 1991, 1992 UNIX System Laboratories, Inc. */
+/*	All Rights Reserved     */
+
+/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF    */
+/*	UNIX System Laboratories, Inc.			*/
+/*	The copyright notice above does not evidence any       */
+/*	actual or intended publication of such source code.    */
+
+#include "stdio.h"
+#include <sys/types.h>
+
+#ifdef DYNLIB
+#ifdef __aix
+#include <sys/ldr.h>
+#else
+#include <dlfcn.h>
+#endif
+/* from ksh93/include/ast/shell.h */
+extern void **sh_getliblist(void);
+#endif
+#ifdef HPUX_DYNLIB
+#include <dl.h>
+#endif
+
+#include <string.h>
+#include <search.h>
+#include <ctype.h>
+#include "xmdtksym.h"
+#include "msgs.h"
+
+/*
+ * This function is currently only used to locate a widget class record,
+ * as requested by a DtLoadWidget request.  In the future, if the exksh
+ * commands are ever added back in, then it will also need to be able
+ * to locate any arbitrary symbol.
+ */
+
+unsigned long
+fsym(
+        char *str,
+        int lib )
+{
+#ifdef DYNLIB
+   void ** liblist;
+   int i = 0;
+   long addr;
+#endif
+#ifdef HPUX_DYNLIB
+   void *found;
+   shl_t handle;
+#endif
+
+#ifdef DYNLIB
+   if ((liblist = sh_getliblist()) == NULL)
+        return(NULL);
+
+   while (liblist[i])
+   {
+      if (addr = dlsym(liblist[i], str))
+         return((unsigned long)addr);
+      i++;
+   }
+#else
+#ifdef HPUX_DYNLIB
+   handle = NULL;
+   if ((shl_findsym(&handle, str, TYPE_PROCEDURE, &found)) == 0)
+      return((unsigned long) found);
+   if ((shl_findsym(&handle, str, TYPE_DATA, &found)) == 0)
+      return((unsigned long) found);
+   handle = PROG_HANDLE;
+   if ((shl_findsym(&handle, str, TYPE_PROCEDURE, &found)) == 0)
+      return((unsigned long) found);
+   if ((shl_findsym(&handle, str, TYPE_DATA, &found)) == 0)
+      return((unsigned long) found);
+#endif
+#endif
+
+   return(NULL);
+}