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Diffstat (limited to 'login/getutid_r.c')
-rw-r--r--login/getutid_r.c67
1 files changed, 45 insertions, 22 deletions
diff --git a/login/getutid_r.c b/login/getutid_r.c
index 02013c29b9..347bbf3a86 100644
--- a/login/getutid_r.c
+++ b/login/getutid_r.c
@@ -53,32 +53,55 @@ getutid_r (const struct utmp *id, struct utmp **utmp,
if (lseek (utmp_data->ut_fd, utmp_data->loc_utmp, SEEK_SET) == -1)
return -1;
- while (1)
+ if (id->ut_type == RUN_LVL || id->ut_type == BOOT_TIME
+ || id->ut_type == OLD_TIME || id->ut_type == NEW_TIME)
{
- /* Read the next entry. */
- if (read (utmp_data->ut_fd, &utmp_data->ubuf, sizeof (struct utmp))
- != sizeof (struct utmp))
+ /* Search for next entry with type RUN_LVL, BOOT_TIME,
+ OLD_TIME, or NEW_TIME. */
+
+ while (1)
{
- errno = ESRCH;
- return -1;
+ /* Read the next entry. */
+ if (read (utmp_data->ut_fd, &utmp_data->ubuf, sizeof (struct utmp))
+ != sizeof (struct utmp))
+ {
+ errno = ESRCH;
+ return -1;
+ }
+
+ /* Update position pointer. */
+ utmp_data->loc_utmp += sizeof (struct utmp);
+
+ if (id->ut_type == utmp_data->ubuf.ut_type)
+ break;
}
+ }
+ else
+ {
+ /* Search for the next entry with the specified ID and with type
+ INIT_PROCESS, LOGIN_PROCESS, USER_PROCESS, or DEAD_PROCESS. */
- /* Update position pointer. */
- utmp_data->loc_utmp += sizeof (struct utmp);
-
- if ((id->ut_type == RUN_LVL || id->ut_type == BOOT_TIME
- || id->ut_type == OLD_TIME || id->ut_type == NEW_TIME)
- && id->ut_type != utmp_data->ubuf.ut_type)
- /* Stop at the next entry with type RUN_LVL, BOOT_TIME,
- OLD_TIME, or NEW_TIME. */
- break;
-
- if ((id->ut_type == INIT_PROCESS || id->ut_type == LOGIN_PROCESS
- || id->ut_type == USER_PROCESS || id->ut_type == DEAD_PROCESS)
- && strncmp (id->ut_id, utmp_data->ubuf.ut_id, sizeof id->ut_id) == 0)
- /* Stop at the next entry with the specified ID and with type
- INIT_PROCESS, LOGIN_PROCESS, USER_PROCESS, or DEAD_PROCESS. */
- break;
+ while (1)
+ {
+ /* Read the next entry. */
+ if (read (utmp_data->ut_fd, &utmp_data->ubuf, sizeof (struct utmp))
+ != sizeof (struct utmp))
+ {
+ errno = ESRCH;
+ return -1;
+ }
+
+ /* Update position pointer. */
+ utmp_data->loc_utmp += sizeof (struct utmp);
+
+ if (( utmp_data->ubuf.ut_type == INIT_PROCESS
+ || utmp_data->ubuf.ut_type == LOGIN_PROCESS
+ || utmp_data->ubuf.ut_type == USER_PROCESS
+ || utmp_data->ubuf.ut_type == DEAD_PROCESS)
+ && (strncmp (utmp_data->ubuf.ut_id, id->ut_id, sizeof id->ut_id)
+ == 0))
+ break;
+ }
}
*utmp = &utmp_data->ubuf;