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Remove useless casts

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Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Mikhail Gusarov 2010-05-13 03:45:21 +07:00
parent 63a647abd5
commit 816b79dd06
1 changed files with 13 additions and 12 deletions
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25
dix/atom.c
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@ -68,7 +68,7 @@ typedef struct _Node {
} NodeRec, *NodePtr;
static Atom lastAtom = None;
static NodePtr atomRoot = (NodePtr)NULL;
static NodePtr atomRoot = NULL;
static unsigned long tableLength;
static NodePtr *nodeTable;
@ -88,7 +88,7 @@ MakeAtom(const char *string, unsigned len, Bool makeit)
fp = fp * 27 + string[i];
fp = fp * 27 + string[len - 1 - i];
}
while (*np != (NodePtr) NULL)
while (*np != NULL)
{
if (fp < (*np)->fingerPrint)
np = &((*np)->left);
@ -130,11 +130,12 @@ MakeAtom(const char *string, unsigned len, Bool makeit)
if ((lastAtom + 1) >= tableLength) {
NodePtr *table;
table = (NodePtr *) realloc(nodeTable,
tableLength * (2 * sizeof(NodePtr)));
table = realloc(nodeTable, tableLength * (2 * sizeof(NodePtr)));
if (!table) {
if (nd->string != string)
free(nd->string);
if (nd->string != string) {
/* nd->string has been strdup'ed */
free((char *)nd->string);
}
free(nd);
return BAD_RESOURCE;
}
@ -142,7 +143,7 @@ MakeAtom(const char *string, unsigned len, Bool makeit)
nodeTable = table;
}
*np = nd;
nd->left = nd->right = (NodePtr) NULL;
nd->left = nd->right = NULL;
nd->fingerPrint = fp;
nd->a = (++lastAtom);
*(nodeTable+lastAtom) = nd;
@ -163,7 +164,7 @@ NameForAtom(Atom atom)
{
NodePtr node;
if (atom > lastAtom) return 0;
if ((node = nodeTable[atom]) == (NodePtr)NULL) return 0;
if ((node = nodeTable[atom]) == NULL) return 0;
return node->string;
}
@ -193,12 +194,12 @@ FreeAtom(NodePtr patom)
void
FreeAllAtoms(void)
{
if(atomRoot == (NodePtr)NULL)
if(atomRoot == NULL)
return;
FreeAtom(atomRoot);
atomRoot = (NodePtr)NULL;
atomRoot = NULL;
free(nodeTable);
nodeTable = (NodePtr *)NULL;
nodeTable = NULL;
lastAtom = None;
}
@ -210,7 +211,7 @@ InitAtoms(void)
nodeTable = malloc(InitialTableSize*sizeof(NodePtr));
if (!nodeTable)
AtomError();
nodeTable[None] = (NodePtr)NULL;
nodeTable[None] = NULL;
MakePredeclaredAtoms();
if (lastAtom != XA_LAST_PREDEFINED)
AtomError();