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grep: factor out do_append_grep_pat()

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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@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2012-05-20 16:32:54 +02:00 committed by Junio C Hamano
parent fc45675110
commit 2b3873ff34
1 changed files with 9 additions and 6 deletions
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15
grep.c
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@ -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)