Question

How to use malloc and snprintf() to create formatted a new string in C

Answer 1

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define SIZE 256

int main()
{
    const char *str = "C Programming";
    
    char *p = malloc(sizeof(char) * SIZE);        
    
    snprintf(p, SIZE, "%s - %d %f\n", "C Programming", 17, 3.14f);
    
    printf("%s\n", p);    
    
    free(p);  
    
    return 0;
}
  
  
  
/*
run:
  
C Programming - 17 3.140000
  
*/

 

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