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author | William Joye <wjoye@cfa.harvard.edu> | 2017-09-22 18:57:19 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2017-09-22 18:57:19 (GMT) |
commit | 2aff4a96fa0286d875bddec0019648e2c6431cbc (patch) | |
tree | f7a9a4800a3f3ad4b77470b8383529176d8b7181 /tcl8.6/generic/tclLoadNone.c | |
parent | 3fa8e6dc88e8041b6cb88d1b1e9c05676d3346b7 (diff) | |
parent | 29ccecd87709feda60d191f6aaba324ccad91f55 (diff) | |
download | blt-2aff4a96fa0286d875bddec0019648e2c6431cbc.zip blt-2aff4a96fa0286d875bddec0019648e2c6431cbc.tar.gz blt-2aff4a96fa0286d875bddec0019648e2c6431cbc.tar.bz2 |
Merge commit '29ccecd87709feda60d191f6aaba324ccad91f55' as 'tcl8.6'
Diffstat (limited to 'tcl8.6/generic/tclLoadNone.c')
-rw-r--r-- | tcl8.6/generic/tclLoadNone.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/tcl8.6/generic/tclLoadNone.c b/tcl8.6/generic/tclLoadNone.c new file mode 100644 index 0000000..6af5c4f --- /dev/null +++ b/tcl8.6/generic/tclLoadNone.c @@ -0,0 +1,129 @@ +/* + * tclLoadNone.c -- + * + * This procedure provides a version of the TclpDlopen for use in + * systems that don't support dynamic loading; it just returns an error. + * + * Copyright (c) 1995-1997 Sun Microsystems, Inc. + * + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. + */ + +#include "tclInt.h" + +/* + *---------------------------------------------------------------------- + * + * TclpDlopen -- + * + * This procedure is called to carry out dynamic loading of binary code; + * it is intended for use only on systems that don't support dynamic + * loading (it returns an error). + * + * Results: + * The result is TCL_ERROR, and an error message is left in the interp's + * result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +int +TclpDlopen( + Tcl_Interp *interp, /* Used for error reporting. */ + Tcl_Obj *pathPtr, /* Name of the file containing the desired + * code (UTF-8). */ + Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded + * file which will be passed back to + * (*unloadProcPtr)() to unload the file. */ + Tcl_FSUnloadFileProc **unloadProcPtr, + /* Filled with address of Tcl_FSUnloadFileProc + * function which should be used for this + * file. */ + int flags) +{ + if (interp) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "dynamic loading is not currently available on this system", + -1)); + } + return TCL_ERROR; +} + +/* + *---------------------------------------------------------------------- + * + * 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( + const 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; +} + +/* + * These functions are fallbacks if we somehow determine that the platform can + * do loading from memory but the user wishes to disable it. They just report + * (gracefully) that they fail. + */ + +#ifdef TCL_LOAD_FROM_MEMORY + +MODULE_SCOPE void * +TclpLoadMemoryGetBuffer( + Tcl_Interp *interp, /* Dummy: unused by this implementation */ + int size) /* Dummy: unused by this implementation */ +{ + return NULL; +} + +MODULE_SCOPE int +TclpLoadMemory( + Tcl_Interp *interp, /* Used for error reporting. */ + void *buffer, /* Dummy: unused by this implementation */ + int size, /* Dummy: unused by this implementation */ + int codeSize, /* Dummy: unused by this implementation */ + Tcl_LoadHandle *loadHandle, /* Dummy: unused by this implementation */ + Tcl_FSUnloadFileProc **unloadProcPtr, + /* Dummy: unused by this implementation */ + int flags) + /* Dummy: unused by this implementation */ +{ + if (interp) { + Tcl_SetObjResult(interp, Tcl_NewStringObj("dynamic loading from memory " + "is not available on this system", -1)); + } + return TCL_ERROR; +} + +#endif /* TCL_LOAD_FROM_MEMORY */ + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |