#include <libintl.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include "libc.h"
#include "atomic.h"

static char* current_domain;

char* __gettextdomain() {
  return current_domain ? current_domain : "messages";
}

char* textdomain(const char* domainname) {
  if (!domainname)
    return __gettextdomain();

  size_t domlen = strlen(domainname);
  if (domlen > NAME_MAX) {
    errno = EINVAL;
    return 0;
  }

  if (!current_domain) {
    current_domain = malloc(NAME_MAX + 1);
    if (!current_domain)
      return 0;
  }

  memcpy(current_domain, domainname, domlen + 1);

  return current_domain;
}

char* gettext(const char* msgid) {
  return dgettext(0, msgid);
}

char* ngettext(const char* msgid1, const char* msgid2, unsigned long int n) {
  return dngettext(0, msgid1, msgid2, n);
}