Top "Free" questions

What is the difference between freeing the pointer and assigning it to NULL?

Could somebody tell me the difference between: int *p; p=(int*)malloc(10*sizeof(int)); free(p); or int *p; p=(…

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Can a call to free() in C ever fail?

Can a call to free() fail in any way? For example: free(NULL);

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Can I free() static and automatic variables in C?

The code is as follow : #include <stdlib.h> int num = 3; // Static external variable int *ptr = &num; int …

c free scope static-variables dynamic-allocation

Using realloc (X, 0) instead of free() and using malloc with length of a string +1

So I don't really know how to put the title this time. First of all I'd like to say that …

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Printing pointer addresses in C [two questions]

I know that my questions are very simple but googleing them didn't get me any useful results... They'r probably too …

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Should I free memory before exit?

Should I free all my mallocated memory when I am exiting program in the due of error? something = (char**) malloc (…

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How do I free a pointer returned from a function?

#include <stdio.h> #include <string.h> #include <stdlib.h> char* f(void) { char *x; …

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Reusing freed pointers in C

There are many questions on this website regarding freeing pointers after use and, further, setting them to NULL. Arguments are …

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How do I free the contents of a TList?

I have this code in Delphi 4. I created 10 objects of type T_Charge (see below), which I added to a …

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Heap corruption while freeing memory

I have a class as follows struct CliHandler { CliHandler(int argc, char** argv); ~CliHandler(); int doWork(); int argc_; char** argv_; …

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