IT Nursery
What is a memory heap ? 8 Answers 8
It’s known that calloc is different than malloc in that it initializes the memory allocated. With calloc, the memory is set to zero. ...
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May 18, 2022
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I want to know how malloc and free work. int main() { unsigned char *p = (unsigned char*)malloc(4*sizeof(unsigned char)); memset(p,0,4); strcpy((char*)p,"abcdabcd"); // **deliberately ...
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May 16, 2022
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alloca() allocates memory on the stack rather than on the heap, as in the case of malloc(). So, when I return from the ...
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May 5, 2022
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I see in C++ there are multiple ways to allocate and free data and I understand that when you call malloc you should ...
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May 1, 2022
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We are all taught that you MUST free every pointer that is allocated. I’m a bit curious, though, about the real cost of ...
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April 29, 2022
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What is the difference between doing: ptr = malloc (MAXELEMS * sizeof(char *)); or: ptr = calloc (MAXELEMS, sizeof(char*)); When is it a ...
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April 19, 2022
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In this question, someone suggested in a comment that I should not cast the result of malloc. i.e., I should do this: int ...
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April 10, 2022
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TL;DR int *sieve = (int *) malloc(sizeof(int) * length); Has two problems in result of malloc. The cast and that you’re using the ...
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March 3, 2022
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