C++ (Cpp) guestfs_lvm_canonical_lv_name Examples

Example #1

File: guestfs.c Project: msmhrt/libguestfs

char *
guestfs__canonical_device_name (guestfs_h *g, const char *device)
{
  char *ret;

  if (STRPREFIX (device, "/dev/hd") ||
      STRPREFIX (device, "/dev/vd")) {
    ret = safe_strdup (g, device);
    ret[5] = 's';
  }
  else if (STRPREFIX (device, "/dev/mapper/") ||
           STRPREFIX (device, "/dev/dm-")) {
    /* XXX hide errors */
    ret = guestfs_lvm_canonical_lv_name (g, device);
    if (ret == NULL)
      ret = safe_strdup (g, device);
  }
  else
    ret = safe_strdup (g, device);

  return ret;                   /* caller frees */
}

Example #2

File: canonical-name.c Project: DanLipsitt/libguestfs

char *
guestfs__canonical_device_name (guestfs_h *g, const char *device)
{
  char *ret;
  size_t len;

  /* /dev/hd etc. */
  if (STRPREFIX (device, "/dev/") &&
      ((len = strcspn (device+5, "d")) > 0 && len <= 2)) {
    ret = safe_asprintf (g, "/dev/sd%s", &device[5+len+1]);
  }
  else if (STRPREFIX (device, "/dev/mapper/") ||
           STRPREFIX (device, "/dev/dm-")) {
    /* XXX hide errors */
    ret = guestfs_lvm_canonical_lv_name (g, device);
    if (ret == NULL)
      ret = safe_strdup (g, device);
  }
  else
    ret = safe_strdup (g, device);

  return ret;                   /* caller frees */
}