#include "str.h"
#include "lua.h"

str* str_init(char* init){
  if(init == NULL){
    char cc = '\0';
    init = &cc;
  }

  size_t len = strlen(init);
  str* s = malloc(sizeof * s);
  s->c = malloc(len + 1);
  s->len = len ;
  
  memcpy(s->c, init, len + 1);
  return s;
}

void str_free(str* s){
  free(s->c);
  return free(s);
}

void str_push(str* s, char* insert){
  s->len += strlen(insert);
  s->c = realloc(s->c, s->len + 5);
  strcat(s->c, insert);
}

void str_pushl(str* s, char* insert, size_t l){
  
  s->c = realloc(s->c, s->len + l + 5);
  //strcat(s->c, insert);
  for(int i = 0; i != l; i++){
    s->c[i + s->len] = insert[i];
  }
  s->len += l;
  s->c[s->len] = '\0';
}

void str_clear(str* s){
  memset(s->c, 0, s->len);

  s->len = 0;
}