summaryrefslogtreecommitdiffstats
path: root/generic/tclLink.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclLink.c')
-rw-r--r--generic/tclLink.c175
1 files changed, 131 insertions, 44 deletions
diff --git a/generic/tclLink.c b/generic/tclLink.c
index f7125d5..588c750 100644
--- a/generic/tclLink.c
+++ b/generic/tclLink.c
@@ -67,6 +67,10 @@ typedef struct Link {
static char * LinkTraceProc(ClientData clientData,Tcl_Interp *interp,
const char *name1, const char *name2, int flags);
static Tcl_Obj * ObjValue(Link *linkPtr);
+static int GetInvalidIntOrBooleanFromObj(Tcl_Obj *objPtr,
+ int *intPtr);
+static int GetInvalidDoubleOrBooleanFromObj(Tcl_Obj *objPtr,
+ double *doublePtr);
/*
* Convenience macro for accessing the value of the C variable pointed to by a
@@ -259,7 +263,8 @@ LinkTraceProc(
int flags) /* Miscellaneous additional information. */
{
Link *linkPtr = clientData;
- int changed, valueLength;
+ int changed;
+ size_t valueLength;
const char *value;
char **pp;
Tcl_Obj *valueObj;
@@ -380,9 +385,12 @@ LinkTraceProc(
case TCL_LINK_INT:
if (Tcl_GetIntFromObj(NULL, valueObj, &linkPtr->lastValue.i)
!= TCL_OK) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ if (GetInvalidIntOrBooleanFromObj(valueObj, &linkPtr->lastValue.i)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
- return (char *) "variable must have integer value";
+ return (char *) "variable must have integer or boolean value";
+ }
}
LinkedVar(int) = linkPtr->lastValue.i;
break;
@@ -390,12 +398,15 @@ LinkTraceProc(
case TCL_LINK_WIDE_INT:
if (Tcl_GetWideIntFromObj(NULL, valueObj, &linkPtr->lastValue.w)
!= TCL_OK) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ if (GetInvalidIntOrBooleanFromObj(valueObj, &valueInt)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
- return (char *) "variable must have integer value";
- } else {
- LinkedVar(Tcl_WideInt) = linkPtr->lastValue.w;
+ return (char *) "variable must have integer or boolean value";
+ }
+ linkPtr->lastValue.w = (Tcl_WideInt) valueInt;
}
+ LinkedVar(Tcl_WideInt) = linkPtr->lastValue.w;
break;
case TCL_LINK_DOUBLE:
@@ -404,13 +415,15 @@ LinkTraceProc(
#ifdef ACCEPT_NAN
if (valueObj->typePtr != &tclDoubleType) {
#endif
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL,
- ObjValue(linkPtr), TCL_GLOBAL_ONLY);
- return (char *) "variable must have real value";
+ if (GetInvalidDoubleOrBooleanFromObj(valueObj, &linkPtr->lastValue.d)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have real or boolean value";
+ }
#ifdef ACCEPT_NAN
- } else {
- linkPtr->lastValue.d = valueObj->internalRep.doubleValue;
}
+ linkPtr->lastValue.d = valueObj->internalRep.doubleValue;
#endif
}
LinkedVar(double) = linkPtr->lastValue.d;
@@ -429,9 +442,12 @@ LinkTraceProc(
case TCL_LINK_CHAR:
if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK
|| valueInt < SCHAR_MIN || valueInt > SCHAR_MAX) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
- TCL_GLOBAL_ONLY);
- return (char *) "variable must have char value";
+ if (GetInvalidIntOrBooleanFromObj(valueObj, &valueInt)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have char or boolean value";
+ }
}
linkPtr->lastValue.c = (char)valueInt;
LinkedVar(char) = linkPtr->lastValue.c;
@@ -440,9 +456,12 @@ LinkTraceProc(
case TCL_LINK_UCHAR:
if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK
|| valueInt < 0 || valueInt > UCHAR_MAX) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
- TCL_GLOBAL_ONLY);
- return (char *) "variable must have unsigned char value";
+ if (GetInvalidIntOrBooleanFromObj(valueObj, &valueInt)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have unsigned char or boolean value";
+ }
}
linkPtr->lastValue.uc = (unsigned char) valueInt;
LinkedVar(unsigned char) = linkPtr->lastValue.uc;
@@ -451,9 +470,12 @@ LinkTraceProc(
case TCL_LINK_SHORT:
if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK
|| valueInt < SHRT_MIN || valueInt > SHRT_MAX) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
- TCL_GLOBAL_ONLY);
- return (char *) "variable must have short value";
+ if (GetInvalidIntOrBooleanFromObj(valueObj, &valueInt)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have short or boolean value";
+ }
}
linkPtr->lastValue.s = (short)valueInt;
LinkedVar(short) = linkPtr->lastValue.s;
@@ -462,9 +484,12 @@ LinkTraceProc(
case TCL_LINK_USHORT:
if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK
|| valueInt < 0 || valueInt > USHRT_MAX) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
- TCL_GLOBAL_ONLY);
- return (char *) "variable must have unsigned short value";
+ if (GetInvalidIntOrBooleanFromObj(valueObj, &valueInt)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have unsigned short or boolean value";
+ }
}
linkPtr->lastValue.us = (unsigned short)valueInt;
LinkedVar(unsigned short) = linkPtr->lastValue.us;
@@ -473,9 +498,13 @@ LinkTraceProc(
case TCL_LINK_UINT:
if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK
|| valueWide < 0 || valueWide > UINT_MAX) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
- TCL_GLOBAL_ONLY);
- return (char *) "variable must have unsigned int value";
+ if (GetInvalidIntOrBooleanFromObj(valueObj, &valueInt)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have unsigned int or boolean value";
+ }
+ linkPtr->lastValue.ui = (unsigned int)valueInt;
} else {
linkPtr->lastValue.ui = (unsigned int)valueWide;
}
@@ -485,9 +514,13 @@ LinkTraceProc(
case TCL_LINK_LONG:
if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK
|| valueWide < LONG_MIN || valueWide > LONG_MAX) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
- TCL_GLOBAL_ONLY);
- return (char *) "variable must have long value";
+ if (GetInvalidIntOrBooleanFromObj(valueObj, &valueInt)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have long or boolean value";
+ }
+ linkPtr->lastValue.l = (long)valueInt;
} else {
linkPtr->lastValue.l = (long)valueWide;
}
@@ -497,9 +530,13 @@ LinkTraceProc(
case TCL_LINK_ULONG:
if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK
|| valueWide < 0 || (Tcl_WideUInt) valueWide > ULONG_MAX) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
- TCL_GLOBAL_ONLY);
- return (char *) "variable must have unsigned long value";
+ if (GetInvalidIntOrBooleanFromObj(valueObj, &valueInt)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have unsigned long or boolean value";
+ }
+ linkPtr->lastValue.ul = (unsigned long)valueInt;
} else {
linkPtr->lastValue.ul = (unsigned long)valueWide;
}
@@ -511,9 +548,13 @@ LinkTraceProc(
* FIXME: represent as a bignum.
*/
if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
- TCL_GLOBAL_ONLY);
- return (char *) "variable must have unsigned wide int value";
+ if (GetInvalidIntOrBooleanFromObj(valueObj, &valueInt)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have unsigned wide int or boolean value";
+ }
+ linkPtr->lastValue.uw = (Tcl_WideUInt)valueInt;
} else {
linkPtr->lastValue.uw = (Tcl_WideUInt)valueWide;
}
@@ -523,22 +564,24 @@ LinkTraceProc(
case TCL_LINK_FLOAT:
if (Tcl_GetDoubleFromObj(NULL, valueObj, &valueDouble) != TCL_OK
|| valueDouble < -FLT_MAX || valueDouble > FLT_MAX) {
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
- TCL_GLOBAL_ONLY);
- return (char *) "variable must have float value";
- } else {
- linkPtr->lastValue.f = (float)valueDouble;
+ if (GetInvalidDoubleOrBooleanFromObj(valueObj, &valueDouble)
+ != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have float or boolean value";
+ }
}
+ linkPtr->lastValue.f = (float)valueDouble;
LinkedVar(float) = linkPtr->lastValue.f;
break;
case TCL_LINK_STRING:
- value = TclGetStringFromObj(valueObj, &valueLength);
- valueLength++;
+ value = TclGetString(valueObj);
+ valueLength = valueObj->length + 1;
pp = (char **) linkPtr->addr;
*pp = ckrealloc(*pp, valueLength);
- memcpy(*pp, value, (unsigned) valueLength);
+ memcpy(*pp, value, valueLength);
break;
default:
@@ -633,6 +676,50 @@ ObjValue(
return resultObj;
}
}
+/*
+ * This function works almost the same as Tcl_GetBooleanFromObj(), only
+ * it doesn't have an interpreter to report errors, and it considers
+ * the character sequences "0x", "0b" and "0o" as valid, for purpose
+ * of the link functionality in Tcl. See bug [39f6304c2e].
+ */
+int
+GetInvalidIntOrBooleanFromObj(Tcl_Obj *objPtr,
+ int *intPtr)
+{
+ const char *str = TclGetString(objPtr);
+ if ((str[0] == '0') && strchr("xXbBoO", str[1]) && (str[2] == 0)){
+ *intPtr = 0;
+ return TCL_OK;
+ }
+ return Tcl_GetBooleanFromObj(NULL, objPtr, intPtr);
+}
+
+/*
+ * This function works almost the same as Tcl_GetBooleanFromObj(), only
+ * it returns a double in stead of an integer, it doesn't have an interpreter
+ * to report errors, and it considers the character sequences ".", "0x", "0b"
+ * and "0o" as valid, for purpose of the link functionality in Tcl.
+ * See bug [39f6304c2e].
+ */
+int
+GetInvalidDoubleOrBooleanFromObj(Tcl_Obj *objPtr,
+ double *doublePtr)
+{
+ int intValue, result;
+ const char *str = TclGetString(objPtr);
+
+ if ((str[0] == '.') && (str[1] == 0)){
+ *doublePtr = 0.0;
+ return TCL_OK;
+ }
+ result = GetInvalidIntOrBooleanFromObj(objPtr, &intValue);
+ if (result == TCL_OK) {
+ *doublePtr = (double) intValue;
+ }
+ return result;
+}
+
+
/*
* Local Variables:
generated by cgit v0.12 at 2024-11-17 22:43:20 (GMT)