Add do_append_grep_pat() as a shared function for adding patterns to
the header pattern list and the general pattern list.
Signed-off-by: Rene Scharfe <rene.scharfe@xxxxxxxxxxxxxx>
---
Our first three star function. :)
grep.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/grep.c b/grep.c
index a673ced..f961c2e 100644
--- a/grep.c
+++ b/grep.c
@@ -18,14 +18,19 @@ static struct grep_pat *create_grep_pat(const char *pat, size_t patlen,
return p;
}
+static void do_append_grep_pat(struct grep_pat ***tail, struct grep_pat *p)
+{
+ **tail = p;
+ *tail = &p->next;
+ p->next = NULL;
+}
+
void append_header_grep_pattern(struct grep_opt *opt,
enum grep_header_field field, const char *pat)
{
struct grep_pat *p = create_grep_pat(pat, strlen(pat), "header", 0,
GREP_PATTERN_HEAD, field);
- *opt->header_tail = p;
- opt->header_tail = &p->next;
- p->next = NULL;
+ do_append_grep_pat(&opt->header_tail, p);
}
void append_grep_pattern(struct grep_opt *opt, const char *pat,
@@ -38,9 +43,7 @@ void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen,
const char *origin, int no, enum grep_pat_token t)
{
struct grep_pat *p = create_grep_pat(pat, patlen, origin, no, t, 0);
- *opt->pattern_tail = p;
- opt->pattern_tail = &p->next;
- p->next = NULL;
+ do_append_grep_pat(&opt->pattern_tail, p);
}
struct grep_opt *grep_opt_dup(const struct grep_opt *opt)
--
1.7.10.2
--
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