#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include "filelist.h"
#include "db.h"
#include "externs.h"

/* Returns a pointer to the next line that isn't blank and doesn't begin
   with a '#' */
char *get_next_line(FILE *fp)
{
  char buf[1024];

  while(1)
  {
    if(!fgets(buf, sizeof(buf), fp))
      return(NULL);
    *(buf+strlen(buf)-1) = '\0';
    if(!*buf || *buf == '#')
      continue;
    break;
  }

  return(stack_string_alloc(buf, 0));
}

int getref(FILE *f)
{
  char buf[4096];

  fgets(buf, sizeof(buf), f);
  return(atoi(buf));
}

void putref(FILE *f, int ref)
{
  fprintf(f, "%d\n", ref);
}

unsigned long file_size(char *file)
{
  struct stat statbuf;

  stat(file, &statbuf);
  return(statbuf.st_size);
}

FILELIST *get_filelist(char *dirname, int directories)
{
  FILELIST *flist = NULL, *new;
  DIR *dir;
  struct dirent *entry;
  struct stat stinfo;

  if(!(dir = opendir(dirname)))
    return(NULL);

  while((entry = readdir(dir)))
  {
    lstat(tprintf("%s/%s", dirname, entry->d_name), &stinfo);

    if(S_ISDIR(stinfo.st_mode) && !directories)
      continue;

    new = (FILELIST *)stack_alloc(sizeof(FILELIST), 0, 0);
    new->name = stack_string_alloc(entry->d_name, 0);
    new->flags = (S_ISDIR(stinfo.st_mode))?FILE_DIRECTORY:0;
    new->next = flist;
    flist = new;
  }

  closedir(dir);

  return(flist);
}