C++ (Cpp) write_mntent_to_mtab Examples

Example #1

File: mtab_svr4.c Project: IIJ-NetBSD/netbsd-src

void
write_mntent(mntent_t *mtp, const char *mnttabname)
{
  FILE *fp;

  if (lockmnttab() < 0)
    return;

  fp = fopen(mnttabname, "a");
  if (fp == NULL) {
    plog(XLOG_ERROR, "Unable to append %s: %m", mnttabname);
    return;
  }
  write_mntent_to_mtab(fp, mtp);

  fclose(fp);
  unlockmnttab();
}

Example #2

File: mtab_isc3.c Project: marulkan/am-utils-tcp-workaround

void
write_mntent(mntent_t *mp, const char *mnttabname)
{
  int fd;

  if (lockmnttab() == -1)
    return;

  fd = open(mnttabname, O_RDWR | O_APPEND);
  if (fd < 0) {
    plog(XLOG_ERROR, "Unable to append %s: %m", mnttabname);
    return;
  }
  write_mntent_to_mtab(fd, mp);

  close(fd);
  unlockmnttab();
}

Example #3

File: mtab_isc3.c Project: marulkan/am-utils-tcp-workaround

void
rewrite_mtab(mntlist *mp, const char *mnttabname)
{
  int fd;

  assert(mtlckf != 0);

  fd = open(mnttabname, O_RDWR | O_TRUNC);
  if (fd < 0) {
    plog(XLOG_ERROR, "Can't open %s: %m", mnttabname);
    unlockmnttab();
  }
  while (mp) {
    if (mp->mnt)
      write_mntent_to_mtab(fd, mp->mnt);
    mp = mp->mnext;
  }

  close(fd);
  unlockmnttab();
}

Example #4

File: mtab_svr4.c Project: IIJ-NetBSD/netbsd-src

void
rewrite_mtab(mntlist *mp, const char *mnttabname)
{
  FILE *fp;

  assert(mntent_lock_fd >= 0);	/* ensure lock fd is valid */

  fp = fopen(mnttabname, "r+");
  if (fp == NULL) {
    plog(XLOG_ERROR, "Can't open %s: %m", mnttabname);
    unlockmnttab();
    return;
  }
  while (mp) {
    if (mp->mnt)
      write_mntent_to_mtab(fp, mp->mnt);
    mp = mp->mnext;
  }

  ftruncate(fileno(fp), ftell(fp));
  fclose(fp);
  unlockmnttab();
}