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Questions - dynamic-memory-allocation

Dynamic array inside a linked list in C

I'm writing this post after hours of madness and thinking. Probably this is the most stupid exercise you are gonna read today but for me, after hours of exercise, is not like that. Going back to the q...
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DottorBooom

c

linked-list

dynamic-memory-allocation

singly-linked-list

dynamic-arrays

Votes: 0

Answers: 1

Latest Answer

The function init shall allocate an object of the type elementOfList ListOfElements init(int n) { ListOfElements new = malloc( sizeof( *new ) ); if ( new != NULL ) { new->a...
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Vlad from Moscow

How to store a variable or object on desired memory location?

Let's suppose I have an object of a class as shown below: Myclass obj; Now I want to store this object to my desired memory location. How can I do this? Is it possible or not? I have created an array...
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Hassan Ali

c++

dynamic-memory-allocation

new-expression

Votes: 0

Answers: 5

Latest Answer

You can initialize an object to a specific memory location by using the new operator with a memory address like so: MyObject *obj = new(address) MyObject(arguments); Note that when using "new&qu...
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shaked cohen

Malloc or Calloc return unexpected values in string

I am trying to create a dynamic memory allocation string so which returns a string removing all vowels. In the beginning, some of the strings work correctly but suddenly some of them returns with an ...
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Raihan_Alam

c

string

malloc

dynamic-memory-allocation

garbage

Votes: 0

Answers: 1

Latest Answer

You don't null terminate the buffer. Therefore strcpy wil just copy the contents of buf until a null character is encountered which is undefind behaviour. Add this right after the forloop: buf[j] = 0;...
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Jabberwocky

ANSI C - Why malloc and free dont work for char pointers?

When I try to run this code: char *s; s = (char *) malloc (15); s = "hello world"; free(s); using gcc ts.c -ansi -Wall the result is: free(): invalid pointer Aborted (core dumped) and the ...
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alon ohana

c

pointers

dynamic-memory-allocation

free

c-strings

Votes: 0

Answers: 1

Latest Answer

This code snippet char *s; s = (char *) malloc (15); s = "hello world"; produces a memory leak. At first a memory was dynamically allocated and its address was assigned to the pointer s s =...
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Vlad from Moscow

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