* non-space characters for the message-id, then one or more
* spaces, then a list of space-separated tags as a sequence of
* characters within literal '(' and ')'. */
- xregcomp (®ex,
- "^([^ ]+) \\(([^)]*)\\)$",
- REG_EXTENDED);
+ if ( xregcomp (®ex,
+ "^([^ ]+) \\(([^)]*)\\)$",
+ REG_EXTENDED) )
+ INTERNAL_ERROR("compile time constant regex failed.");
while ((line_len = getline (&line, &line_size, input)) != -1) {
regmatch_t match[3];