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lvmconfig: comment out settings with proper space/tab prefix

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We're commenting out settings with undefined default values.
The comment character '#' was printed at the very beginning of
the line, it should be placed just at the beginning of the setting,
after the space/tab prefix is printed.

Before this patch:

  $ lvmconfig --type default activation
  activation {
           ...
  #        volume_list=[]
           ...
  }

With this patch applied:

  $ lvmconfig --type default activation
  activation {
           ...
           # volume_list=[]
           ...
  }
This commit is contained in:
Peter Rajnoha 2015-04-30 13:59:00 +02:00
parent 3706abde5e
commit 4388ab477c
1 changed files with 11 additions and 3 deletions
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14
lib/config/config.c
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@ -1609,6 +1609,8 @@ static int _out_line_fn(const struct dm_config_node *cn, const char *line, void
char summary[MAX_COMMENT_LINE+1];
char version[9];
int pos = 0;
size_t len;
char *space_prefix;
if ((out->tree_spec->type == CFG_DEF_TREE_DIFF) &&
(!(out->tree_spec->check_status[cn->id] & CFG_DIFF)))
@ -1639,9 +1641,15 @@ static int _out_line_fn(const struct dm_config_node *cn, const char *line, void
}
/* Usual tree view with nodes and their values. */
fprintf(out->fp, "%s%s\n", (out->tree_spec->type != CFG_DEF_TREE_CURRENT) &&
(out->tree_spec->type != CFG_DEF_TREE_DIFF) &&
(cfg_def->flags & CFG_DEFAULT_UNDEFINED) ? "#" : "", line);
if ((out->tree_spec->type != CFG_DEF_TREE_CURRENT) &&
(out->tree_spec->type != CFG_DEF_TREE_DIFF) &&
(cfg_def->flags & CFG_DEFAULT_UNDEFINED)) {
space_prefix = ((len = strspn(line, "\t "))) ? dm_pool_strndup(out->mem, line, len) : NULL;
fprintf(out->fp, "%s%s%s\n", space_prefix ? : "", "# ", line + len);
if (space_prefix)
dm_pool_free(out->mem, space_prefix);
} else
fprintf(out->fp, "%s\n", line);
return 1;
}