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lib: Add server_id_str_buf_unique

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A representation including the unique id

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Volker Lendecke 2015-09-29 04:03:52 +02:00 committed by Jeremy Allison
parent 620b7467ad
commit 8044e2dcc0
2 changed files with 23 additions and 0 deletions
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1
lib/util/samba_util.h
View File

@ -847,6 +847,7 @@ struct server_id;
struct server_id_buf { char buf[48]; }; /* probably a bit too large ... */
char *server_id_str_buf(struct server_id id, struct server_id_buf *dst);
size_t server_id_str_buf_unique(struct server_id id, char *buf, size_t buflen);
bool server_id_same_process(const struct server_id *p1,
const struct server_id *p2);

22
lib/util/server_id.c
View File

@ -65,6 +65,28 @@ char *server_id_str_buf(struct server_id id, struct server_id_buf *dst)
return dst->buf;
}
size_t server_id_str_buf_unique(struct server_id id, char *buf, size_t buflen)
{
struct server_id_buf idbuf;
char unique_buf[21]; /* 2^64 is 18446744073709551616, 20 chars */
size_t idlen, unique_len, needed;
server_id_str_buf(id, &idbuf);
idlen = strlen(idbuf.buf);
unique_len = snprintf(unique_buf, sizeof(unique_buf), "%"PRIu64,
id.unique_id);
needed = idlen + unique_len + 2;
if (buflen >= needed) {
memcpy(buf, idbuf.buf, idlen);
buf[idlen] = '/';
memcpy(buf + idlen + 1, unique_buf, unique_len+1);
}
return needed;
}
struct server_id server_id_from_string(uint32_t local_vnn,
const char *pid_string)
{