Tcl Source Code

Check-in [6bf2a6d132]
Login
Core Home Timeline Branches Tags Tickets Wiki Clone or Download
Bounty program for improvements to Tcl and certain Tcl packages.

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:[39fed4dae5] Make sure return value from Tcl_PkgRequire*() survives long enough for caller to use it.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | core-8-6-branch
Files: files | file ages | folders
SHA3-256: 6bf2a6d132e66d187e208a45f3afbf285711c39ad47bed89dff38183e07d20e2
User & Date: dgp 2019-03-08 14:46:26
Context
2019-03-17
22:15
For Tcl >= 8.7, always compile-in the extended Unicode tables, no matter the value of TCL_UTF_MAX. D... check-in: 5c8a1f59fa user: jan.nijtmans tags: core-8-6-branch
2019-03-13
00:44
merge 8.6 check-in: 73e7e3f694 user: sebres tags: sebres-8-6-clock-speedup-cr2
2019-03-08
14:47
merge 8.6 check-in: 8d5d640832 user: dgp tags: core-8-branch
14:46
[39fed4dae5] Make sure return value from Tcl_PkgRequire*() survives long enough for caller to use it... check-in: 6bf2a6d132 user: dgp tags: core-8-6-branch
04:42
merge 8.5 (perf-test) check-in: 5b6af82bad user: sebres tags: core-8-6-branch
2019-03-07
22:13
In the 8.6.* releases, Tcl_GetStringResult() still passes through interp->result. Have to ask specif... Closed-Leaf check-in: e6479634cb user: dgp tags: bug-39fed4dae5
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to generic/tclPkg.c. 

36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
...
146
147
148
149
150
151
152

153
154
155
156
157
158
159
160
161
162
163
164
165
...
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
...
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
...
470
471
472
473
474
475
476
477

478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
...
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
...
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
...
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
...
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
....
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
....
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388

 * For each package that is known in any way to an interpreter, there is one
 * record of the following type. These records are stored in the
 * "packageTable" hash table in the interpreter, keyed by package name such as
 * "Tk" (no version number).
 */

typedef struct Package {
    char *version;		/* Version that has been supplied in this
				 * interpreter via "package provide"
				 * (malloc'ed). NULL means the package doesn't
				 * exist in this interpreter yet. */
    PkgAvail *availPtr;		/* First in list of all available versions of
				 * this package. */
    const void *clientData;	/* Client data. */
} Package;

typedef struct Require {
    void * clientDataPtr;
................................................................................
{
    Package *pkgPtr;
    char *pvi, *vi;
    int res;

    pkgPtr = FindPackage(interp, name);
    if (pkgPtr->version == NULL) {

	DupString(pkgPtr->version, version);
	pkgPtr->clientData = clientData;
	return TCL_OK;
    }

    if (CheckVersionAndConvert(interp, pkgPtr->version, &pvi,
	    NULL) != TCL_OK) {
	return TCL_ERROR;
    } else if (CheckVersionAndConvert(interp, version, &vi, NULL) != TCL_OK) {
	ckfree(pvi);
	return TCL_ERROR;
    }

................................................................................
	if (clientData != NULL) {
	    pkgPtr->clientData = clientData;
	}
	return TCL_OK;
    }
    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
	    "conflicting versions provided for package \"%s\": %s, then %s",
	    name, pkgPtr->version, version));
    Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "VERSIONCONFLICT", NULL);
    return TCL_ERROR;
}
 
/*
 *----------------------------------------------------------------------
 *
................................................................................

    /*
     * Translate between old and new API, and defer to the new function.
     */

    if (version == NULL) {
	if (Tcl_PkgRequireProc(interp, name, 0, NULL, clientDataPtr) == TCL_OK) {
	    result = Tcl_GetStringResult(interp);
	    Tcl_ResetResult(interp);
	}
    } else {
	if (exact && TCL_OK
		!= CheckVersionAndConvert(interp, version, NULL, NULL)) {
	    return NULL;
	}
	ov = Tcl_NewStringObj(version, -1);
	if (exact) {
	    Tcl_AppendStringsToObj(ov, "-", version, NULL);
	}
	Tcl_IncrRefCount(ov);
	if (Tcl_PkgRequireProc(interp, name, 1, &ov, clientDataPtr) == TCL_OK) {
	    result = Tcl_GetStringResult(interp);
	    Tcl_ResetResult(interp);
	}
	TclDecrRefCount(ov);
    }
    return result;
}

................................................................................
    }

    /*
     * Ensure that the provided version meets the current requirements.
     */

    if (reqc != 0) {
	CheckVersionAndConvert(interp, reqPtr->pkgPtr->version, &pkgVersionI, NULL);

	satisfies = SomeRequirementSatisfied(pkgVersionI, reqc, reqv);

	ckfree(pkgVersionI);

	if (!satisfies) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "version conflict for package \"%s\": have %s, need",
		    name, reqPtr->pkgPtr->version));
	    Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "VERSIONCONFLICT",
		    NULL);
	    AddRequirementsToResult(interp, reqc, reqv);
	    return TCL_ERROR;
	}
    }

    if (clientDataPtr) {
	const void **ptr = (const void **) clientDataPtr;

	*ptr = reqPtr->pkgPtr->clientData;
    }
    Tcl_SetObjResult(interp, Tcl_NewStringObj(reqPtr->pkgPtr->version, -1));
    return TCL_OK;
}

static int
PkgRequireCoreCleanup(ClientData data[], Tcl_Interp *interp, int result) {
    ckfree(data[0]);
    return result;
................................................................................
		    " no version of package %s provided",
		    name, versionToProvide, name));
	    Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "UNPROVIDED",
		    NULL);
	} else {
	    char *pvi, *vi;

	    if (CheckVersionAndConvert(interp, reqPtr->pkgPtr->version, &pvi,
		    NULL) != TCL_OK) {
		result = TCL_ERROR;
	    } else if (CheckVersionAndConvert(interp,
		    versionToProvide, &vi, NULL) != TCL_OK) {
		ckfree(pvi);
		result = TCL_ERROR;
	    } else {
		int res = CompareVersions(pvi, vi, NULL);
................................................................................
		ckfree(vi);
		if (res != 0) {
		    result = TCL_ERROR;
		    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			    "attempt to provide package %s %s failed:"
			    " package %s %s provided instead",
			    name, versionToProvide,
			    name, reqPtr->pkgPtr->version));
		    Tcl_SetErrorCode(interp, "TCL", "PACKAGE",
			    "WRONGPROVIDE", NULL);
		}
	    }
	}
    } else if (result != TCL_ERROR) {
	Tcl_Obj *codePtr = Tcl_NewIntObj(result);
................................................................................
	 * This is consistent with our returning NULL. If we're not
	 * willing to tell our caller we got a particular version, we
	 * shouldn't store that version for telling future callers
	 * either.
	 */

	if (reqPtr->pkgPtr->version != NULL) {
	    ckfree(reqPtr->pkgPtr->version);
	    reqPtr->pkgPtr->version = NULL;
	}
	reqPtr->pkgPtr->clientData = NULL;
	return result;
    }

    Tcl_NRAddCallback(interp, data[3], reqPtr, INT2PTR(reqc), (void *)reqv, NULL);
................................................................................
	    hPtr = Tcl_FindHashEntry(&iPtr->packageTable, keyString);
	    if (hPtr == NULL) {
		continue;
	    }
	    pkgPtr = Tcl_GetHashValue(hPtr);
	    Tcl_DeleteHashEntry(hPtr);
	    if (pkgPtr->version != NULL) {
		ckfree(pkgPtr->version);
	    }
	    while (pkgPtr->availPtr != NULL) {
		availPtr = pkgPtr->availPtr;
		pkgPtr->availPtr = availPtr->nextPtr;
		Tcl_EventuallyFree(availPtr->version, TCL_DYNAMIC);
		Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC);
		ckfree(availPtr);
................................................................................
	}
	argv2 = TclGetString(objv[2]);
	if (objc == 3) {
	    hPtr = Tcl_FindHashEntry(&iPtr->packageTable, argv2);
	    if (hPtr != NULL) {
		pkgPtr = Tcl_GetHashValue(hPtr);
		if (pkgPtr->version != NULL) {
		    Tcl_SetObjResult(interp,
			    Tcl_NewStringObj(pkgPtr->version, -1));
		}
	    }
	    return TCL_OK;
	}
	argv3 = TclGetString(objv[3]);
	if (CheckVersionAndConvert(interp, argv3, NULL, NULL) != TCL_OK) {
	    return TCL_ERROR;
................................................................................
    Tcl_HashEntry *hPtr;
    PkgAvail *availPtr;

    for (hPtr = Tcl_FirstHashEntry(&iPtr->packageTable, &search);
	    hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
	pkgPtr = Tcl_GetHashValue(hPtr);
	if (pkgPtr->version != NULL) {
	    ckfree(pkgPtr->version);
	}
	while (pkgPtr->availPtr != NULL) {
	    availPtr = pkgPtr->availPtr;
	    pkgPtr->availPtr = availPtr->nextPtr;
	    Tcl_EventuallyFree(availPtr->version, TCL_DYNAMIC);
	    Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC);
	    ckfree(availPtr);







|
<
<
<







 







>
|




|







 







|







 







|













|







 







|
>







|












|







 







|
|







 







|







 







|







 







|







 







|
<







 







|








36
37
38
39
40
41
42
43



44
45
46
47
48
49
50
...
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
...
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
...
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
...
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
...
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
...
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
...
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
...
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
....
1079
1080
1081
1082
1083
1084
1085
1086

1087
1088
1089
1090
1091
1092
1093
....
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386

 * For each package that is known in any way to an interpreter, there is one
 * record of the following type. These records are stored in the
 * "packageTable" hash table in the interpreter, keyed by package name such as
 * "Tk" (no version number).
 */

typedef struct Package {
    Tcl_Obj *version;



    PkgAvail *availPtr;		/* First in list of all available versions of
				 * this package. */
    const void *clientData;	/* Client data. */
} Package;

typedef struct Require {
    void * clientDataPtr;
................................................................................
{
    Package *pkgPtr;
    char *pvi, *vi;
    int res;

    pkgPtr = FindPackage(interp, name);
    if (pkgPtr->version == NULL) {
	pkgPtr->version = Tcl_NewStringObj(version, -1);
	Tcl_IncrRefCount(pkgPtr->version);
	pkgPtr->clientData = clientData;
	return TCL_OK;
    }

    if (CheckVersionAndConvert(interp, Tcl_GetString(pkgPtr->version), &pvi,
	    NULL) != TCL_OK) {
	return TCL_ERROR;
    } else if (CheckVersionAndConvert(interp, version, &vi, NULL) != TCL_OK) {
	ckfree(pvi);
	return TCL_ERROR;
    }

................................................................................
	if (clientData != NULL) {
	    pkgPtr->clientData = clientData;
	}
	return TCL_OK;
    }
    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
	    "conflicting versions provided for package \"%s\": %s, then %s",
	    name, Tcl_GetString(pkgPtr->version), version));
    Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "VERSIONCONFLICT", NULL);
    return TCL_ERROR;
}
 
/*
 *----------------------------------------------------------------------
 *
................................................................................

    /*
     * Translate between old and new API, and defer to the new function.
     */

    if (version == NULL) {
	if (Tcl_PkgRequireProc(interp, name, 0, NULL, clientDataPtr) == TCL_OK) {
	    result = Tcl_GetString(Tcl_GetObjResult(interp));
	    Tcl_ResetResult(interp);
	}
    } else {
	if (exact && TCL_OK
		!= CheckVersionAndConvert(interp, version, NULL, NULL)) {
	    return NULL;
	}
	ov = Tcl_NewStringObj(version, -1);
	if (exact) {
	    Tcl_AppendStringsToObj(ov, "-", version, NULL);
	}
	Tcl_IncrRefCount(ov);
	if (Tcl_PkgRequireProc(interp, name, 1, &ov, clientDataPtr) == TCL_OK) {
	    result = Tcl_GetString(Tcl_GetObjResult(interp));
	    Tcl_ResetResult(interp);
	}
	TclDecrRefCount(ov);
    }
    return result;
}

................................................................................
    }

    /*
     * Ensure that the provided version meets the current requirements.
     */

    if (reqc != 0) {
	CheckVersionAndConvert(interp, Tcl_GetString(reqPtr->pkgPtr->version),
		&pkgVersionI, NULL);
	satisfies = SomeRequirementSatisfied(pkgVersionI, reqc, reqv);

	ckfree(pkgVersionI);

	if (!satisfies) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "version conflict for package \"%s\": have %s, need",
		    name, Tcl_GetString(reqPtr->pkgPtr->version)));
	    Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "VERSIONCONFLICT",
		    NULL);
	    AddRequirementsToResult(interp, reqc, reqv);
	    return TCL_ERROR;
	}
    }

    if (clientDataPtr) {
	const void **ptr = (const void **) clientDataPtr;

	*ptr = reqPtr->pkgPtr->clientData;
    }
    Tcl_SetObjResult(interp, reqPtr->pkgPtr->version);
    return TCL_OK;
}

static int
PkgRequireCoreCleanup(ClientData data[], Tcl_Interp *interp, int result) {
    ckfree(data[0]);
    return result;
................................................................................
		    " no version of package %s provided",
		    name, versionToProvide, name));
	    Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "UNPROVIDED",
		    NULL);
	} else {
	    char *pvi, *vi;

	    if (TCL_OK != CheckVersionAndConvert(interp,
		    Tcl_GetString(reqPtr->pkgPtr->version), &pvi, NULL)) {
		result = TCL_ERROR;
	    } else if (CheckVersionAndConvert(interp,
		    versionToProvide, &vi, NULL) != TCL_OK) {
		ckfree(pvi);
		result = TCL_ERROR;
	    } else {
		int res = CompareVersions(pvi, vi, NULL);
................................................................................
		ckfree(vi);
		if (res != 0) {
		    result = TCL_ERROR;
		    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			    "attempt to provide package %s %s failed:"
			    " package %s %s provided instead",
			    name, versionToProvide,
			    name, Tcl_GetString(reqPtr->pkgPtr->version)));
		    Tcl_SetErrorCode(interp, "TCL", "PACKAGE",
			    "WRONGPROVIDE", NULL);
		}
	    }
	}
    } else if (result != TCL_ERROR) {
	Tcl_Obj *codePtr = Tcl_NewIntObj(result);
................................................................................
	 * This is consistent with our returning NULL. If we're not
	 * willing to tell our caller we got a particular version, we
	 * shouldn't store that version for telling future callers
	 * either.
	 */

	if (reqPtr->pkgPtr->version != NULL) {
	    Tcl_DecrRefCount(reqPtr->pkgPtr->version);
	    reqPtr->pkgPtr->version = NULL;
	}
	reqPtr->pkgPtr->clientData = NULL;
	return result;
    }

    Tcl_NRAddCallback(interp, data[3], reqPtr, INT2PTR(reqc), (void *)reqv, NULL);
................................................................................
	    hPtr = Tcl_FindHashEntry(&iPtr->packageTable, keyString);
	    if (hPtr == NULL) {
		continue;
	    }
	    pkgPtr = Tcl_GetHashValue(hPtr);
	    Tcl_DeleteHashEntry(hPtr);
	    if (pkgPtr->version != NULL) {
		Tcl_DecrRefCount(pkgPtr->version);
	    }
	    while (pkgPtr->availPtr != NULL) {
		availPtr = pkgPtr->availPtr;
		pkgPtr->availPtr = availPtr->nextPtr;
		Tcl_EventuallyFree(availPtr->version, TCL_DYNAMIC);
		Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC);
		ckfree(availPtr);
................................................................................
	}
	argv2 = TclGetString(objv[2]);
	if (objc == 3) {
	    hPtr = Tcl_FindHashEntry(&iPtr->packageTable, argv2);
	    if (hPtr != NULL) {
		pkgPtr = Tcl_GetHashValue(hPtr);
		if (pkgPtr->version != NULL) {
		    Tcl_SetObjResult(interp, pkgPtr->version);

		}
	    }
	    return TCL_OK;
	}
	argv3 = TclGetString(objv[3]);
	if (CheckVersionAndConvert(interp, argv3, NULL, NULL) != TCL_OK) {
	    return TCL_ERROR;
................................................................................
    Tcl_HashEntry *hPtr;
    PkgAvail *availPtr;

    for (hPtr = Tcl_FirstHashEntry(&iPtr->packageTable, &search);
	    hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
	pkgPtr = Tcl_GetHashValue(hPtr);
	if (pkgPtr->version != NULL) {
	    Tcl_DecrRefCount(pkgPtr->version);
	}
	while (pkgPtr->availPtr != NULL) {
	    availPtr = pkgPtr->availPtr;
	    pkgPtr->availPtr = availPtr->nextPtr;
	    Tcl_EventuallyFree(availPtr->version, TCL_DYNAMIC);
	    Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC);
	    ckfree(availPtr);

Changes to generic/tclTestProcBodyObj.c. 

17
18
19
20
21
22
23
24
25
26
27
28
29
30

31
32
33
34
35
36
37
..
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
...
295
296
297
298
299
300
301








































302
303
304
305
306
307
308
309

#include "tclInt.h"

/*
 * name and version of this package
 */

static const char packageName[] = "procbodytest";
static const char packageVersion[] = "1.0";

/*
 * Name of the commands exported by this package
 */

static const char procCommand[] = "proc";


/*
 * this struct describes an entry in the table of command names and command
 * procs
 */

typedef struct CmdTable {
................................................................................
} CmdTable;

/*
 * Declarations for functions defined in this file.
 */

static int	ProcBodyTestProcObjCmd(ClientData dummy,


			Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
static int	ProcBodyTestInitInternal(Tcl_Interp *interp, int isSafe);
static int	RegisterCommand(Tcl_Interp* interp,
			const char *namespace, const CmdTable *cmdTablePtr);

/*
 * List of commands to create when the package is loaded; must go after the
 * declarations of the enable command procedure.
 */

static const CmdTable commands[] = {
    { procCommand,	ProcBodyTestProcObjCmd,	1 },

    { 0, 0, 0 }
};

static const CmdTable safeCommands[] = {
    { procCommand,	ProcBodyTestProcObjCmd,	1 },

    { 0, 0, 0 }
};
 
/*
 *----------------------------------------------------------------------
 *
 * Procbodytest_Init --
................................................................................
    myobjv[4] = NULL;

    result = Tcl_ProcObjCmd(NULL, interp, objc, myobjv);
    Tcl_DecrRefCount(bodyObjPtr);

    return result;
}








































 
/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */







|






>







 







>
>












>





>







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>









17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
..
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
...
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354

#include "tclInt.h"

/*
 * name and version of this package
 */

static const char packageName[] = "procbodytest";
static const char packageVersion[] = "1.1";

/*
 * Name of the commands exported by this package
 */

static const char procCommand[] = "proc";
static const char checkCommand[] = "check";

/*
 * this struct describes an entry in the table of command names and command
 * procs
 */

typedef struct CmdTable {
................................................................................
} CmdTable;

/*
 * Declarations for functions defined in this file.
 */

static int	ProcBodyTestProcObjCmd(ClientData dummy,
			Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
static int	ProcBodyTestCheckObjCmd(ClientData dummy,
			Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
static int	ProcBodyTestInitInternal(Tcl_Interp *interp, int isSafe);
static int	RegisterCommand(Tcl_Interp* interp,
			const char *namespace, const CmdTable *cmdTablePtr);

/*
 * List of commands to create when the package is loaded; must go after the
 * declarations of the enable command procedure.
 */

static const CmdTable commands[] = {
    { procCommand,	ProcBodyTestProcObjCmd,	1 },
    { checkCommand,	ProcBodyTestCheckObjCmd,	1 },
    { 0, 0, 0 }
};

static const CmdTable safeCommands[] = {
    { procCommand,	ProcBodyTestProcObjCmd,	1 },
    { checkCommand,	ProcBodyTestCheckObjCmd,	1 },
    { 0, 0, 0 }
};
 
/*
 *----------------------------------------------------------------------
 *
 * Procbodytest_Init --
................................................................................
    myobjv[4] = NULL;

    result = Tcl_ProcObjCmd(NULL, interp, objc, myobjv);
    Tcl_DecrRefCount(bodyObjPtr);

    return result;
}
 
/*
 *----------------------------------------------------------------------
 *
 * ProcBodyTestCheckObjCmd --
 *
 *  Implements the "procbodytest::check" command. Here is the command
 *  description:
 *	procbodytest::check
 *
 *  Performs an internal check that the Tcl_PkgPresent() command returns
 *  the same version number as was registered when the procbodytest package
 *  was provided.  Places a boolean in the interp result indicating the
 *  test outcome.
 *
 * Results:
 *  Returns a standard Tcl code.
 *
 *----------------------------------------------------------------------
 */

static int
ProcBodyTestCheckObjCmd(
    ClientData dummy,		/* context; not used */
    Tcl_Interp *interp,		/* the current interpreter */
    int objc,			/* argument count */
    Tcl_Obj *const objv[])	/* arguments */
{
    const char *version;

    if (objc != 1) {
	Tcl_WrongNumArgs(interp, 1, objv, "");
	return TCL_ERROR;
    }

    version = Tcl_PkgPresent(interp, packageName, packageVersion, 1);
    Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
	    strcmp(version, packageVersion) == 0));
    return TCL_OK;
}
 
/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */

Changes to tests/proc.test. 

317
318
319
320
321
322
323



324
325
326
327
328
329
330

	set end [getbytes]
    }
    set leakedBytes [expr {$end - $tmp}]
} -cleanup {
    rename getbytes {}
    unset -nocomplain end i tmp leakedBytes
} -result 0




test proc-5.1 {Bytecompiling noop; test for correct argument substitution} -body {
    proc p args {} ; # this will be bytecompiled into t
    proc t {} {
	set res {}
	set a 0
	set b 0







>
>
>








317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333

	set end [getbytes]
    }
    set leakedBytes [expr {$end - $tmp}]
} -cleanup {
    rename getbytes {}
    unset -nocomplain end i tmp leakedBytes
} -result 0
test proc-4.9 {[39fed4dae5] Valid Tcl_PkgPresent return} procbodytest {
    procbodytest::check
} 1

test proc-5.1 {Bytecompiling noop; test for correct argument substitution} -body {
    proc p args {} ; # this will be bytecompiled into t
    proc t {} {
	set res {}
	set a 0
	set b 0

This page was generated in about 0.035s by Fossil 2.10 [eb804dc674] 2019-09-19 14:14:14