free(x);
}
-void free_grep_patterns(struct grep_opt *opt)
+static void free_grep_pat(struct grep_pat *pattern)
{
struct grep_pat *p, *n;
- for (p = opt->pattern_list; p; p = n) {
+ for (p = pattern; p; p = n) {
n = p->next;
switch (p->token) {
case GREP_PATTERN: /* atom */
}
free(p);
}
+}
- if (!opt->pattern_expression)
- return;
- free_pattern_expr(opt->pattern_expression);
+void free_grep_patterns(struct grep_opt *opt)
+{
+ free_grep_pat(opt->pattern_list);
+ free_grep_pat(opt->header_list);
+
+ if (opt->pattern_expression)
+ free_pattern_expr(opt->pattern_expression);
}
static const char *end_of_line(const char *cp, unsigned long *left)