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Questions - dynamic-memory-allocation

Beginning of the string snprintf doesn't show

I'm trying to use snprintf to write a request string into the buffer. The first iteration works fine, however, after the second iteration it the beginning of the string disappears. The function which ...
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yyny

c

sockets

dynamic-memory-allocation

Votes: 0

Answers: 0

why does this keep printing "out of range try again"? and how can i fix it

For some reason this will print out "out of range please try again". I tried changing the if statements but that doesn't work either. #define MAX_fn_LEN32 #define MAX_ln_LEN32 #define MAX_st...
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noble

arrays

c

scanf

dynamic-memory-allocation

c-strings

Votes: 0

Answers: 1

Latest Answer

The condition in the if statement if(fn==NULL ||fn>=(32*sizeof(char))){ does not make a sense. There is compared an address stored in the pointer fn with the value 32 * ( sizeof( char ). It seems ...
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Vlad from Moscow

Pointers and all that [C]

well, I'm trying to create a simple program that simply print the name of a list of students, the thing is,I do all that's required but when I try to print all the elements come out as the same. It's ...
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thayrelan dos santos marcal da

c

struct

memory-leaks

dynamic-memory-allocation

c-strings

Votes: 0

Answers: 2

Latest Answer

Several issues. First, change Classe[i].total_alunos.nome = (char *) malloc (sizeof(aluno.nome)); to Classe[i].total_alunos.nome = malloc( strlen( aluno.nome ) + 1 ); As of C89 casts on malloc are u...
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John Bode

What is the cause of the memory leak in c?

I was creating a linked list in c and I came across this memory leak. Valgrind is telling that the source of the problem is on line 15 but I still can't see the problem. I feel very stupid not knowing...
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dechire

c

struct

memory-leaks

dynamic-memory-allocation

singly-linked-list

Votes: 0

Answers: 2

Latest Answer

Pointer is just a variable that stores a memory address. You got the memory address with malloc malloc(sizeof(node)) but you put null in it list = NULL and you lost the address. Isn't this what you wa...
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Ja Hwang

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