Thread: Free a pointer

  1. #1
    Registered User
    Join Date
    Jan 2008

    Free a pointer

    Hi all!
    I am an new bie!
    I have an error, could you should why it wrong and how to fix it!
    My sample code:
    typedef struct _pointer_note{ 
    	char name[10];
    	char *loai;
    	int  data;
    	float *stack_next;
    int main()
     pointer p1; //declare a  pointer type variable
     p1.loai = (char*)malloc(sizeof(char)*256);//
     strcpy(p1.loai,"hello world");
     // Do some thing
    free(p1.loai);//free a pointer
    return 0;
    When run program, an error "DAMAGE: after normal block(#42)"

    Help me!

  2. #2
    and the hat of int overfl Salem's Avatar
    Join Date
    Aug 2001
    The edge of the known universe
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

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