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Kommentare in stack hinzugefügt

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Sven Hofmann 2025-12-12 09:06:39 +01:00
parent 3c7785bac9
commit a04005486d
2 changed files with 7 additions and 4 deletions
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7
stack.c
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@ -9,8 +9,9 @@
// Pushes data as pointer onto the stack. // Pushes data as pointer onto the stack.
// *ist das ganze konstrukt // *stack zeiger auf das ganze konstrukt
// *data soll gepusht werden // *data soll oben drauf gepusht werden; daten die davor drin waren werden runtergeschoben
// stack wird zurückgegeben
StackNode *push(StackNode *stack, void *data) StackNode *push(StackNode *stack, void *data)
{ {
if(data != NULL) if(data != NULL)
@ -37,6 +38,7 @@ StackNode *push(StackNode *stack, void *data)
// Deletes the top element of the stack (latest added element) and releases its memory. (Pointer to data has to be // Deletes the top element of the stack (latest added element) and releases its memory. (Pointer to data has to be
// freed by caller.) // freed by caller.)
// data wird entfernt-> next wird der neue stack
StackNode *pop(StackNode *stack) StackNode *pop(StackNode *stack)
{ {
if(stack != NULL) if(stack != NULL)
@ -49,6 +51,7 @@ StackNode *pop(StackNode *stack)
} }
// Returns the data of the top element. // Returns the data of the top element.
// gibt das oberste Element aus (data)
void *top(StackNode *stack) void *top(StackNode *stack)
{ {
if(stack == 0) if(stack == 0)

4
stack.h
View File

@ -9,8 +9,8 @@ The latest element is taken from the stack. */
//TODO: passenden Datentyp als struct anlegen //TODO: passenden Datentyp als struct anlegen
typedef struct Stack{ typedef struct Stack{
void *data; void *data; //zeiger auf variable
struct Stack *next; struct Stack *next; // zeiger auf ein weiteres stack (data und next)
} StackNode; } StackNode;
// Pushes data as pointer onto the stack. // Pushes data as pointer onto the stack.