#include <stdio.h>

int com = 0;

/*
 * TODO:
 * Keep backbuffer of 1 character (current & i-1) to check for comment ends
 * Handle double slashes nicely
 * Find a cleaner way to achieve this
*/

int uncomment(char s[],int lim) {
  int c, i, quo = 0, wnl = 0;
  /* c is character integer
   * i is column
   * com is current comment state
   * quo is current quote state */
  for (i=0; i < lim-1 && (c=getchar())!=EOF && c!='\n'; ++i) {
    /* Check if we are in a character constant or between quotes, if yes ignore comments */
    if (c == '"' || (c == '\'' && s[i-1] != '"')) {
      if (quo == 1) {
        quo = 0; //test
      } else {
        quo = 1;
      }
    } else if (quo == 0 && (c == '/' || c == '*')) {
      if (com == 0) {
        if (c == '*' && s[i-1] == '/') {
          com = 1;
        } else if (c == '/' && s[i-1] == '/') {
          wnl = 1;
          s[i-1] = ' ';
        }
      } else if (com == 1 && c == '/' && s[i-1] == '*') {
        com = 0;
      }
    }
    if (com == 0 && wnl == 0) {
      s[i] = c;
    } else {
      s[i] = ' ';
    }
  }
  /* If the line is completly empty, do not print a new line, jump to the next line */
  for (;i > 0 && (s[i-1] == ' ' || s[i-1] == '\t'); i--);
  if (i == 0) {
    s[i] = '\0';
  } else {
    s[i] = '\n';
    s[i+1] = '\0';
  }
  /* If we have hit the end of the line, tell the previous function, else return the lenght */
  if (c == EOF) {
    return EOF;
  } else {
    return i;
  }
}