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malloc Überprüfung

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This commit is contained in:
Timo Hertel 2025-12-15 14:36:30 +01:00
parent 56430b513e
commit f407f0f837
1 changed files with 4 additions and 0 deletions
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4
I2_Dobble/stack.c
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@ -15,6 +15,10 @@ StackNode *push(StackNode *stack, void *data)
{ {
StackNode *newNode; StackNode *newNode;
newNode = (StackNode *)malloc(sizeof(StackNode)); newNode = (StackNode *)malloc(sizeof(StackNode));
if (!newNode)
printf("Speicherfehler: nicht genug Speicher");
return stack;
newNode->data = data; newNode->data = data;
// ,-→ bedeutet Liste war leer - das neue Element hat keinen Nachfolger (next = NULL) // ,-→ bedeutet Liste war leer - das neue Element hat keinen Nachfolger (next = NULL)