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authorjan.nijtmans <nijtmans@users.sourceforge.net>2016-01-22 10:27:29 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2016-01-22 10:27:29 (GMT)
commit0ea26c667c774bfee4e090ec52f391fad0af7ca5 (patch)
treeeac9bf4a2e6ec1ec21bd70e75fd7308a282a6f09 /generic/tclVar.c
parent093b0618b6e6bef06c090aab243ad716995ba4b5 (diff)
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Improve code 'quality' by fixing some harmless clang/cppcheck warnings. Thanks to Gustaf Neumann. No change in functionality.
Diffstat (limited to 'generic/tclVar.c')
-rw-r--r--generic/tclVar.c82
1 files changed, 51 insertions, 31 deletions
diff --git a/generic/tclVar.c b/generic/tclVar.c
index c013e8d..bdc64b7 100644
--- a/generic/tclVar.c
+++ b/generic/tclVar.c
@@ -916,7 +916,7 @@ TclLookupSimpleVar(
* the variable. */
Namespace *varNsPtr, *cxtNsPtr, *dummy1Ptr, *dummy2Ptr;
ResolverScheme *resPtr;
- int isNew, i, result;
+ int isNew;
const char *varName = TclGetString(varNamePtr);
varPtr = NULL;
@@ -937,6 +937,8 @@ TclLookupSimpleVar(
if ((cxtNsPtr->varResProc != NULL || iPtr->resolverPtr != NULL)
&& !(flags & AVOID_RESOLVERS)) {
+ int result;
+
resPtr = iPtr->resolverPtr;
if (cxtNsPtr->varResProc) {
result = (*cxtNsPtr->varResProc)(interp, varName,
@@ -1006,9 +1008,10 @@ TclLookupSimpleVar(
(Tcl_Namespace *) cxtNsPtr,
(flags | AVOID_RESOLVERS) & ~TCL_LEAVE_ERR_MSG);
if (varPtr == NULL) {
- Tcl_Obj *tailPtr;
if (create) { /* Var wasn't found so create it. */
+ Tcl_Obj *tailPtr;
+
TclGetNamespaceForQualName(interp, varName, cxtNsPtr,
flags, &varNsPtr, &dummy1Ptr, &dummy2Ptr, &tail);
if (varNsPtr == NULL) {
@@ -1044,6 +1047,7 @@ TclLookupSimpleVar(
} else { /* Local var: look in frame varFramePtr. */
int localCt = varFramePtr->numCompiledLocals;
Tcl_Obj **objPtrPtr = &varFramePtr->localCachePtr->varName0;
+ int i;
for (i=0 ; i<localCt ; i++, objPtrPtr++) {
register Tcl_Obj *objPtr = *objPtrPtr;
@@ -1142,7 +1146,6 @@ TclLookupArrayElement(
int isNew;
Var *varPtr;
TclVarHashTable *tablePtr;
- Namespace *nsPtr;
/*
* We're dealing with an array element. Make sure the variable is an array
@@ -1150,6 +1153,8 @@ TclLookupArrayElement(
*/
if (TclIsVarUndefined(arrayPtr) && !TclIsVarArrayElement(arrayPtr)) {
+ Namespace *nsPtr;
+
if (!createArray) {
if (flags & TCL_LEAVE_ERR_MSG) {
TclObjVarErrMsg(interp, arrayNamePtr, elNamePtr, msg,
@@ -2104,7 +2109,7 @@ TclPtrIncrObjVar(
if (Tcl_IsShared(varValuePtr)) {
/* Copy on write */
varValuePtr = Tcl_DuplicateObj(varValuePtr);
-
+
if (TCL_OK == TclIncrObj(interp, varValuePtr, incrPtr)) {
return TclPtrSetVar(interp, varPtr, arrayPtr, part1Ptr, part2Ptr,
varValuePtr, flags, index);
@@ -2378,7 +2383,6 @@ UnsetVarStruct(
if (traced) {
VarTrace *tracePtr = NULL;
- Tcl_HashEntry *tPtr = NULL;
if (TclIsVarTraced(&dummyVar)) {
/*
@@ -2404,6 +2408,8 @@ UnsetVarStruct(
if ((dummyVar.flags & VAR_TRACED_UNSET)
|| (arrayPtr && (arrayPtr->flags & VAR_TRACED_UNSET))) {
+ Tcl_HashEntry *tPtr = NULL;
+
dummyVar.flags &= ~VAR_TRACE_ACTIVE;
TclObjCallVarTraces(iPtr, arrayPtr, &dummyVar, part1Ptr, part2Ptr,
(flags & (TCL_GLOBAL_ONLY|TCL_NAMESPACE_ONLY))
@@ -2581,10 +2587,8 @@ Tcl_AppendObjCmd(
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
- Var *varPtr, *arrayPtr;
register Tcl_Obj *varValuePtr = NULL;
/* Initialized to avoid compiler warning. */
- int i;
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "varName ?value value ...?");
@@ -2597,6 +2601,9 @@ Tcl_AppendObjCmd(
return TCL_ERROR;
}
} else {
+ Var *arrayPtr, *varPtr;
+ int i;
+
varPtr = TclObjLookupVarEx(interp, objv[1], NULL, TCL_LEAVE_ERR_MSG,
"set", /*createPart1*/ 1, /*createPart2*/ 1, &arrayPtr);
if (varPtr == NULL) {
@@ -2648,8 +2655,7 @@ Tcl_LappendObjCmd(
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tcl_Obj *varValuePtr, *newValuePtr;
- int numElems, createdNewObj;
- Var *varPtr, *arrayPtr;
+ int numElems;
int result;
if (objc < 2) {
@@ -2677,6 +2683,9 @@ Tcl_LappendObjCmd(
}
}
} else {
+ Var *varPtr, *arrayPtr;
+ int createdNewObj = 0;
+
/*
* We have arguments to append. We used to call Tcl_SetVar2 to append
* each argument one at a time to ensure that traces were run for each
@@ -2687,8 +2696,6 @@ Tcl_LappendObjCmd(
* copy to modify: this is "copy on write".
*/
- createdNewObj = 0;
-
/*
* Protect the variable pointers around the TclPtrGetVar call
* to insure that they remain valid even if the variable was undefined
@@ -2870,10 +2877,8 @@ Tcl_ArrayObjCmd(
return TCL_ERROR;
}
while (1) {
- Var *varPtr2;
-
if (searchPtr->nextEntry != NULL) {
- varPtr2 = VarHashGetValue(searchPtr->nextEntry);
+ Var *varPtr2 = VarHashGetValue(searchPtr->nextEntry);
if (!TclIsVarUndefined(varPtr2)) {
break;
}
@@ -3303,7 +3308,6 @@ Tcl_ArrayObjCmd(
case ARRAY_SIZE: {
Tcl_HashSearch search;
- Var *varPtr2;
int size;
if (objc != 3) {
@@ -3318,6 +3322,8 @@ Tcl_ArrayObjCmd(
*/
if (!notArray) {
+ Var *varPtr2;
+
for (varPtr2=VarHashFirstVar(varPtr->value.tablePtr, &search);
varPtr2!=NULL ; varPtr2=VarHashNextVar(&search)) {
if (TclIsVarUndefined(varPtr2)) {
@@ -3661,7 +3667,7 @@ TclPtrMakeUpvar(
}
/* Callers must Incr myNamePtr if they plan to Decr it. */
-
+
int
TclPtrObjMakeUpvar(
Tcl_Interp *interp, /* Interpreter containing variables. Used for
@@ -3676,7 +3682,7 @@ TclPtrObjMakeUpvar(
{
Interp *iPtr = (Interp *) interp;
CallFrame *varFramePtr = iPtr->varFramePtr;
- const char *errMsg, *p, *myName;
+ const char *errMsg, *myName;
Var *varPtr;
if (index >= 0) {
@@ -3687,6 +3693,7 @@ TclPtrObjMakeUpvar(
myNamePtr = localName(iPtr->varFramePtr, index);
myName = myNamePtr? TclGetString(myNamePtr) : NULL;
} else {
+ const char *p;
/*
* Do not permit the new variable to look like an array reference, as
* it will not be reachable in that case [Bug 600812, TIP 184]. The
@@ -3889,8 +3896,6 @@ Tcl_GetVariableFullName(
{
Interp *iPtr = (Interp *) interp;
register Var *varPtr = (Var *) variable;
- Tcl_Obj *namePtr;
- Namespace *nsPtr;
/*
* Add the full name of the containing namespace (if any), followed by the
@@ -3899,6 +3904,9 @@ Tcl_GetVariableFullName(
if (varPtr) {
if (!TclIsVarArrayElement(varPtr)) {
+ Tcl_Obj *namePtr;
+ Namespace *nsPtr;
+
nsPtr = TclGetVarNsPtr(varPtr);
if (nsPtr) {
Tcl_AppendToObj(objPtr, nsPtr->fullName, -1);
@@ -3952,7 +3960,7 @@ Tcl_GlobalObjCmd(
register Tcl_Obj *objPtr, *tailPtr;
char *varName;
register char *tail;
- int result, i;
+ int i;
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "varName ?varName ...?");
@@ -3968,6 +3976,8 @@ Tcl_GlobalObjCmd(
}
for (i=1 ; i<objc ; i++) {
+ int result;
+
/*
* Make a local variable linked to its counterpart in the global ::
* namespace.
@@ -4059,7 +4069,6 @@ Tcl_VariableObjCmd(
{
Interp *iPtr = (Interp *) interp;
char *varName, *tail, *cp;
- Var *varPtr, *arrayPtr;
Tcl_Obj *varValuePtr;
int i, result;
Tcl_Obj *varNamePtr, *tailPtr;
@@ -4070,6 +4079,8 @@ Tcl_VariableObjCmd(
}
for (i=1 ; i<objc ; i+=2) {
+ Var *varPtr, *arrayPtr;
+
/*
* Look up each variable in the current namespace context, creating it
* if necessary.
@@ -4424,10 +4435,10 @@ DeleteSearches(
register Var *arrayVarPtr) /* Variable whose searches are to be
* deleted. */
{
- ArraySearch *searchPtr, *nextPtr;
- Tcl_HashEntry *sPtr;
-
if (arrayVarPtr->flags & VAR_SEARCH_ACTIVE) {
+ ArraySearch *searchPtr, *nextPtr;
+ Tcl_HashEntry *sPtr;
+
sPtr = Tcl_FindHashEntry(&iPtr->varSearches, (char *) arrayVarPtr);
for (searchPtr = (ArraySearch *) Tcl_GetHashValue(sPtr);
searchPtr != NULL; searchPtr = nextPtr) {
@@ -4919,9 +4930,10 @@ DupParsedVarName(
register Tcl_Obj *arrayPtr = srcPtr->internalRep.twoPtrValue.ptr1;
register char *elem = srcPtr->internalRep.twoPtrValue.ptr2;
char *elemCopy;
- unsigned int elemLen;
if (arrayPtr != NULL) {
+ unsigned int elemLen;
+
Tcl_IncrRefCount(arrayPtr);
elemLen = strlen(elem);
elemCopy = ckalloc(elemLen+1);
@@ -5048,7 +5060,6 @@ ObjFindNamespaceVar(
const char *simpleName;
Var *varPtr;
register int search;
- int result;
Tcl_Var var;
Tcl_Obj *simpleNamePtr;
char *name = TclGetString(namePtr);
@@ -5069,6 +5080,8 @@ ObjFindNamespaceVar(
if (!(flags & AVOID_RESOLVERS) &&
(cxtNsPtr->varResProc != NULL || iPtr->resolverPtr != NULL)) {
+ int result;
+
resPtr = iPtr->resolverPtr;
if (cxtNsPtr->varResProc) {
@@ -5161,14 +5174,13 @@ TclInfoVarsCmd(
Tcl_Obj *const objv[]) /* Argument objects. */
{
Interp *iPtr = (Interp *) interp;
- char *varName, *pattern;
+ char *pattern;
const char *simplePattern;
Tcl_HashSearch search;
- Var *varPtr;
Namespace *nsPtr;
Namespace *globalNsPtr = (Namespace *) Tcl_GetGlobalNamespace(interp);
Namespace *currNsPtr = (Namespace *) Tcl_GetCurrentNamespace(interp);
- Tcl_Obj *listPtr, *elemObjPtr;
+ Tcl_Obj *listPtr;
int specificNsInPattern = 0;/* Init. to avoid compiler warning. */
Tcl_Obj *simplePatternPtr = NULL, *varNamePtr;
@@ -5224,6 +5236,9 @@ TclInfoVarsCmd(
if (!(iPtr->varFramePtr->isProcCallFrame & FRAME_IS_PROC)
|| specificNsInPattern) {
+ Var *varPtr;
+ Tcl_Obj *elemObjPtr;
+
/*
* There is no frame pointer, the frame pointer was pushed only to
* activate a namespace, or we are in a procedure call frame but a
@@ -5264,9 +5279,11 @@ TclInfoVarsCmd(
/*
* Have to scan the tables of variables.
*/
+ char *varName;
varPtr = VarHashFirstVar(&nsPtr->varTable, &search);
while (varPtr) {
+
if (!TclIsVarUndefined(varPtr)
|| TclIsVarNamespaceVar(varPtr)) {
varNamePtr = VarHashGetKey(varPtr);
@@ -5354,11 +5371,11 @@ TclInfoGlobalsCmd(
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
- char *varName, *pattern;
+ char *pattern;
Namespace *globalNsPtr = (Namespace *) Tcl_GetGlobalNamespace(interp);
Tcl_HashSearch search;
Var *varPtr;
- Tcl_Obj *listPtr, *varNamePtr, *patternPtr;
+ Tcl_Obj *listPtr, *patternPtr;
if (objc == 1) {
pattern = NULL;
@@ -5405,6 +5422,9 @@ TclInfoGlobalsCmd(
for (varPtr = VarHashFirstVar(&globalNsPtr->varTable, &search);
varPtr != NULL;
varPtr = VarHashNextVar(&search)) {
+ char *varName;
+ Tcl_Obj *varNamePtr;
+
if (TclIsVarUndefined(varPtr)) {
continue;
}