refs: simplify parsing of reflog entries

The current code for reflog entries uses a lot of hard-coded constants,
making it hard to read and modify.  Use parse_oid_hex and two temporary
variables to simplify the code and reduce the use of magic constants.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2017-02-21 23:47:33 +00:00 committed by Junio C Hamano
parent 9461d27240
commit 43bc3b6cee

View File

@ -3117,12 +3117,13 @@ static int show_one_reflog_ent(struct strbuf *sb, each_reflog_ent_fn fn, void *c
char *email_end, *message;
unsigned long timestamp;
int tz;
const char *p = sb->buf;
/* old SP new SP name <email> SP time TAB msg LF */
if (sb->len < 83 || sb->buf[sb->len - 1] != '\n' ||
get_oid_hex(sb->buf, &ooid) || sb->buf[40] != ' ' ||
get_oid_hex(sb->buf + 41, &noid) || sb->buf[81] != ' ' ||
!(email_end = strchr(sb->buf + 82, '>')) ||
if (!sb->len || sb->buf[sb->len - 1] != '\n' ||
parse_oid_hex(p, &ooid, &p) || *p++ != ' ' ||
parse_oid_hex(p, &noid, &p) || *p++ != ' ' ||
!(email_end = strchr(p, '>')) ||
email_end[1] != ' ' ||
!(timestamp = strtoul(email_end + 2, &message, 10)) ||
!message || message[0] != ' ' ||
@ -3136,7 +3137,7 @@ static int show_one_reflog_ent(struct strbuf *sb, each_reflog_ent_fn fn, void *c
message += 6;
else
message += 7;
return fn(&ooid, &noid, sb->buf + 82, timestamp, tz, message, cb_data);
return fn(&ooid, &noid, p, timestamp, tz, message, cb_data);
}
static char *find_beginning_of_line(char *bob, char *scan)