string.c

#include <stdio.h>
#include <string.h>
#include "MEM.h"
#include "crowbar.h"

static char *st_string_literal_buffer = NULL;
static int st_string_literal_buffer_size = 0;
static int st_string_literal_buffer_alloc_size = 0;

void
crb_open_string_literal(void)
{
  st_string_literal_buffer_size = 0;
}

void
crb_add_string_literal(int letter)
{
  if (st_string_literal_buffer_size == st_string_literal_buffer_alloc_size) {
	st_string_literal_buffer_alloc_size += STRING_ALLOC_SIZE;
	st_string_literal_buffer = MEM_realloc(st_string_literal_buffer,
										   st_string_literal_buffer_alloc_size);
  }
  st_string_literal_buffer[st_string_literal_buffer_size] = letter;
  st_string_literal_buffer_size++;
}

void
crb_reset_string_literal_buffer()
{
  MEM_free(st_string_literal_buffer);
  st_string_literal_buffer = NULL;
  st_string_literal_buffer_size = 0;
  st_string_literal_buffer_alloc_size = 0;
}

char *
crb_close_string_literal(void)
{
  char *p = crb_malloc(st_string_literal_buffer_size + 1);
  strcpy(p, st_string_literal_buffer, st_string_literal_buffer_size);
  p[st_string_literal_buffer_size] = '\0';

  return p;
}

char *
crb_create_identifier(char *str)
{
  char *new_str;
  new_str = crb_malloc(strlen(str) + 1);
  strcpy(new_str, str);

  return new_str;
}