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Diffstat (limited to 'miscutils/last.c')
-rw-r--r--miscutils/last.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/miscutils/last.c b/miscutils/last.c
index f46d4ca..f823a13 100644
--- a/miscutils/last.c
+++ b/miscutils/last.c
@@ -39,9 +39,8 @@ int last_main(int argc, char **argv ATTRIBUTE_UNUSED)
file = xopen(bb_path_wtmp_file, O_RDONLY);
printf("%-10s %-14s %-18s %-12.12s %s\n", "USER", "TTY", "HOST", "LOGIN", "TIME");
- while ((n = safe_read(file, (void*)&ut, sizeof(struct utmp))) != 0) {
-
- if (n != sizeof(struct utmp)) {
+ while ((n = full_read(file, &ut, sizeof(ut))) > 0) {
+ if (n != sizeof(ut)) {
bb_perror_msg_and_die("short read");
}
@@ -53,16 +52,14 @@ int last_main(int argc, char **argv ATTRIBUTE_UNUSED)
else if (strncmp(ut.ut_user, "runlevel", 7) == 0)
ut.ut_type = RUN_LVL;
} else {
- if (!ut.ut_name[0] || strcmp(ut.ut_name, "LOGIN") == 0 ||
- ut.ut_name[0] == 0)
- {
+ if (ut.ut_name[0] == '\0' || strcmp(ut.ut_name, "LOGIN") == 0) {
/* Don't bother. This means we can't find how long
* someone was logged in for. Oh well. */
continue;
}
- if (ut.ut_type != DEAD_PROCESS &&
- ut.ut_name[0] && ut.ut_line[0])
- {
+ if (ut.ut_type != DEAD_PROCESS
+ && ut.ut_name[0] && ut.ut_line[0]
+ ) {
ut.ut_type = USER_PROCESS;
}
if (strcmp(ut.ut_name, "date") == 0) {
@@ -71,7 +68,7 @@ int last_main(int argc, char **argv ATTRIBUTE_UNUSED)
}
}
- if (ut.ut_type!=USER_PROCESS) {
+ if (ut.ut_type != USER_PROCESS) {
switch (ut.ut_type) {
case OLD_TIME:
case NEW_TIME: