#include "open.h"

#include <fcntl.h>
#include <sys/types.h>

/**
  @file open.c
  @author djb
  @source qmail
  @brief open a file
*/

int open_append(const char *fn)
{
  return open(fn, O_WRONLY | O_NDELAY | O_APPEND | O_CREAT, 0600);
}

int open_excl(const char *fn)
{
  return open(fn, O_WRONLY | O_EXCL | O_CREAT, 0644);
}

int open_read(const char *fn)
{
  return open(fn, O_RDONLY | O_NDELAY);
}

int open_trunc(const char *fn)
{
  return open(fn, O_WRONLY | O_NDELAY | O_TRUNC | O_CREAT, 0644);
}

int open_write(const char *fn)
{
  return open(fn, O_WRONLY | O_NDELAY);
}