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config: recognize a blank comment line

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Consider the comment line "#\n" to be a blank line, and
print a blank line at that position when --withspaces is set.
This commit is contained in:
David Teigland 2015-08-12 15:45:27 -05:00
parent 5243a81c29
commit ca70770cfd
1 changed files with 5 additions and 0 deletions
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5
lib/config/config.c
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@ -1695,6 +1695,11 @@ static int _out_prefix_fn(const struct dm_config_node *cn, const char *line, voi
if (cfg_def->comment) {
int pos = 0;
while (_copy_one_line(cfg_def->comment, commentline, &pos, strlen(cfg_def->comment))) {
if ((commentline[0] == '#') && (strlen(commentline) == 1)) {
if (!out->tree_spec->withspaces)
continue;
commentline[0] = '\0';
}
fprintf(out->fp, "%s# %s\n", line, commentline);
/* withsummary prints only the first comment line. */
if (!out->tree_spec->withcomments)