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Support alternative lvrename syntax.

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This commit is contained in:
Alasdair Kergon 2002-09-05 12:49:23 +00:00
parent 9b58b71c84
commit faaedea286
1 changed files with 22 additions and 8 deletions
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30
tools/lvrename.c
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@ -24,23 +24,37 @@ int lvrename(struct cmd_context *cmd, int argc, char **argv)
{ {
int maxlen; int maxlen;
char *lv_name_old, *lv_name_new; char *lv_name_old, *lv_name_new;
char *vg_name, *vg_name_new; char *vg_name, *vg_name_new, *vg_name_old;
char *st; char *st;
struct volume_group *vg; struct volume_group *vg;
struct logical_volume *lv; struct logical_volume *lv;
struct lv_list *lvl; struct lv_list *lvl;
if (argc != 2) { if (argc == 3) {
log_error("Old and new logical volume required"); vg_name = argv[0];
if (!strncmp(vg_name, cmd->dev_dir, strlen(cmd->dev_dir)))
vg_name += strlen(cmd->dev_dir);
lv_name_old = argv[1];
lv_name_new = argv[2];
if (strchr(lv_name_old, '/') &&
(vg_name_old = extract_vgname(cmd, lv_name_old)) &&
strcmp(vg_name_old, vg_name)) {
log_error("Please use a single volume group name "
"(\"%s\" or \"%s\")", vg_name, vg_name_old);
return EINVALID_CMD_LINE;
}
} else if (argc == 2) {
lv_name_old = argv[0];
lv_name_new = argv[1];
vg_name = extract_vgname(cmd, lv_name_old);
} else {
log_error("Old and new logical volume names required");
return EINVALID_CMD_LINE; return EINVALID_CMD_LINE;
} }
lv_name_old = argv[0]; if (!is_valid_chars(vg_name)) {
lv_name_new = argv[1]; log_error("Please provide a valid volume group name");
if (!(vg_name = extract_vgname(cmd, lv_name_old))) {
log_error("Please provide a volume group name");
return EINVALID_CMD_LINE; return EINVALID_CMD_LINE;
} }