1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/*
* 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(
size_t size) /* Dummy: unused by this implementation */
{
return NULL;
}
MODULE_SCOPE int
TclpLoadMemory(
void *buffer, /* Dummy: unused by this implementation */
size_t size, /* Dummy: unused by this implementation */
int codeSize, /* Dummy: unused by this implementation */
const char *path, /* 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 */
{
return TCL_ERROR;
}
#endif /* TCL_LOAD_FROM_MEMORY */
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/
|
