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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/*
* pkgb.c --
*
* This file contains a simple Tcl package "pkgb" that is intended for
* testing the Tcl dynamic loading facilities. It can be used in both
* safe and unsafe interpreters.
*
* 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.
*/
#include "tcl.h"
/*
* Prototypes for procedures defined later in this file:
*/
static int Pkgb_SubObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int Pkgb_UnsafeObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
/*
*----------------------------------------------------------------------
*
* Pkgb_SubObjCmd --
*
* This procedure is invoked to process the "pkgb_sub" Tcl command. It
* expects two arguments and returns their difference.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
#ifndef Tcl_GetErrorLine
# define Tcl_GetErrorLine(interp) ((interp)->errorLine)
#endif
static int
Pkgb_SubObjCmd(
ClientData dummy, /* Not used. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *CONST objv[]) /* Argument objects. */
{
int first, second;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 1, objv, "num num");
return TCL_ERROR;
}
if ((Tcl_GetIntFromObj(interp, objv[1], &first) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[2], &second) != TCL_OK)) {
char buf[TCL_INTEGER_SPACE];
sprintf(buf, "%d", Tcl_GetErrorLine(interp));
Tcl_AppendResult(interp, " in line: ", buf, NULL);
return TCL_ERROR;
}
Tcl_SetObjResult(interp, Tcl_NewIntObj(first - second));
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgb_UnsafeObjCmd --
*
* This procedure is invoked to process the "pkgb_unsafe" Tcl command. It
* just returns a constant string.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
Pkgb_UnsafeObjCmd(
ClientData dummy, /* Not used. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *CONST objv[]) /* Argument objects. */
{
return Tcl_EvalEx(interp, "list unsafe command invoked", -1, TCL_EVAL_GLOBAL);
}
/*
*----------------------------------------------------------------------
*
* Pkgb_Init --
*
* This is a package initialization procedure, which is called by Tcl
* when this package is to be added to an interpreter.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
DLLEXPORT int
Pkgb_Init(
Tcl_Interp *interp) /* Interpreter in which the package is to be
* made available. */
{
int code;
if (Tcl_InitStubs(interp, "8.4", 0) == NULL) {
if (Tcl_InitStubs(interp, "8.4-", 0) == NULL) {
return TCL_ERROR;
}
Tcl_ResetResult(interp);
}
code = Tcl_PkgProvideEx(interp, "Pkgb", "2.3", NULL);
if (code != TCL_OK) {
return code;
}
Tcl_CreateObjCommand(interp, "pkgb_sub", Pkgb_SubObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "pkgb_unsafe", Pkgb_UnsafeObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgb_SafeInit --
*
* This is a package initialization procedure, which is called by Tcl
* when this package is to be added to a safe interpreter.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
DLLEXPORT int
Pkgb_SafeInit(
Tcl_Interp *interp) /* Interpreter in which the package is to be
* made available. */
{
int code;
if (Tcl_InitStubs(interp, "8.4", 0) == NULL) {
if (Tcl_InitStubs(interp, "8.4-", 0) == NULL) {
return TCL_ERROR;
}
Tcl_ResetResult(interp);
}
code = Tcl_PkgProvideEx(interp, "Pkgb", "2.3", NULL);
if (code != TCL_OK) {
return code;
}
Tcl_CreateObjCommand(interp, "pkgb_sub", Pkgb_SubObjCmd, (ClientData) 0,
(Tcl_CmdDeleteProc *) NULL);
return TCL_OK;
}
|
