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Diffstat (limited to 'contrib/tcl/unix/tclLoadDl.c')
-rw-r--r-- | contrib/tcl/unix/tclLoadDl.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/contrib/tcl/unix/tclLoadDl.c b/contrib/tcl/unix/tclLoadDl.c deleted file mode 100644 index 2619bfd38c37..000000000000 --- a/contrib/tcl/unix/tclLoadDl.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * tclLoadDl.c -- - * - * This procedure provides a version of the TclLoadFile that - * works with the "dlopen" and "dlsym" library procedures for - * dynamic loading. - * - * Copyright (c) 1995 Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * SCCS: @(#) tclLoadDl.c 1.8 96/12/03 16:57:00 - */ - -#include "tclInt.h" -#ifdef NO_DLFCN_H -# include "../compat/dlfcn.h" -#else -# include <dlfcn.h> -#endif - -/* - * In some systems, like SunOS 4.1.3, the RTLD_NOW flag isn't defined - * and this argument to dlopen must always be 1. The RTLD_GLOBAL - * flag is needed on some systems (e.g. SCO and UnixWare) but doesn't - * exist on others; if it doesn't exist, set it to 0 so it has no effect. - */ - -#ifndef RTLD_NOW -# define RTLD_NOW 1 -#endif - -#ifndef RTLD_GLOBAL -# define RTLD_GLOBAL 0 -#endif - -/* - *---------------------------------------------------------------------- - * - * TclLoadFile -- - * - * Dynamically loads a binary code file into memory and returns - * the addresses of two procedures within that file, if they - * are defined. - * - * Results: - * A standard Tcl completion code. If an error occurs, an error - * message is left in interp->result. *proc1Ptr and *proc2Ptr - * are filled in with the addresses of the symbols given by - * *sym1 and *sym2, or NULL if those symbols can't be found. - * - * Side effects: - * New code suddenly appears in memory. - * - *---------------------------------------------------------------------- - */ - -int -TclLoadFile(interp, fileName, sym1, sym2, proc1Ptr, proc2Ptr) - Tcl_Interp *interp; /* Used for error reporting. */ - char *fileName; /* Name of the file containing the desired - * code. */ - char *sym1, *sym2; /* Names of two procedures to look up in - * the file's symbol table. */ - Tcl_PackageInitProc **proc1Ptr, **proc2Ptr; - /* Where to return the addresses corresponding - * to sym1 and sym2. */ -{ - VOID *handle; - Tcl_DString newName; - - handle = dlopen(fileName, RTLD_NOW | RTLD_GLOBAL); - if (handle == NULL) { - Tcl_AppendResult(interp, "couldn't load file \"", fileName, - "\": ", dlerror(), (char *) NULL); - return TCL_ERROR; - } - - /* - * Some platforms still add an underscore to the beginning of symbol - * names. If we can't find a name without an underscore, try again - * with the underscore. - */ - - *proc1Ptr = (Tcl_PackageInitProc *) dlsym(handle, (char *) sym1); - if (*proc1Ptr == NULL) { - Tcl_DStringInit(&newName); - Tcl_DStringAppend(&newName, "_", 1); - Tcl_DStringAppend(&newName, sym1, -1); - *proc1Ptr = (Tcl_PackageInitProc *) dlsym(handle, - Tcl_DStringValue(&newName)); - Tcl_DStringFree(&newName); - } - *proc2Ptr = (Tcl_PackageInitProc *) dlsym(handle, (char *) sym2); - if (*proc2Ptr == NULL) { - Tcl_DStringInit(&newName); - Tcl_DStringAppend(&newName, "_", 1); - Tcl_DStringAppend(&newName, sym2, -1); - *proc2Ptr = (Tcl_PackageInitProc *) dlsym(handle, - Tcl_DStringValue(&newName)); - Tcl_DStringFree(&newName); - } - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * TclGuessPackageName -- - * - * If the "load" command is invoked without providing a package - * name, this procedure is invoked to try to figure it out. - * - * Results: - * Always returns 0 to indicate that we couldn't figure out a - * package name; generic code will then try to guess the package - * from the file name. A return value of 1 would have meant that - * we figured out the package name and put it in bufPtr. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -TclGuessPackageName(fileName, bufPtr) - char *fileName; /* Name of file containing package (already - * translated to local form if needed). */ - Tcl_DString *bufPtr; /* Initialized empty dstring. Append - * package name to this if possible. */ -{ - return 0; -} |