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systemctl: warn if user enables unit with no installation instructions
[elogind.git]
/
src
/
util.c
diff --git
a/src/util.c
b/src/util.c
index 85ee09d1422ed33cca8bec09e8fb4774cbf9ed30..434f311e71f9cdbbdafe85229fdeb653f0b22965 100644
(file)
--- a/
src/util.c
+++ b/
src/util.c
@@
-2247,26
+2247,34
@@
int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocst
assert(notify >= 0);
for (;;) {
assert(notify >= 0);
for (;;) {
-
struct inotify_event e
;
+
uint8_t inotify_buffer[sizeof(struct inotify_event) + FILENAME_MAX]
;
ssize_t l;
ssize_t l;
+ struct inotify_event *e;
- if ((l = read(notify, &
e, sizeof(e))) != sizeof(e)
) {
+ if ((l = read(notify, &
inotify_buffer, sizeof(inotify_buffer))) < 0
) {
- if (l < 0) {
+ if (errno == EINTR)
+ continue;
- if (errno == EINTR)
- continue;
+ r = -errno;
+ goto fail;
+ }
- r = -errno;
- } else
+ e = (struct inotify_event*) inotify_buffer;
+
+ while (l > 0) {
+ size_t step;
+
+ if (e->wd != wd || !(e->mask & IN_CLOSE)) {
r = -EIO;
r = -EIO;
+ goto fail;
+ }
-
goto fail
;
- }
+
step = sizeof(struct inotify_event) + e->len
;
+ assert(step <= (size_t) l);
- if (e.wd != wd || !(e.mask & IN_CLOSE)) {
- r = -EIO;
- goto fail;
+ e = (struct inotify_event*) ((uint8_t*) e + step);
+ l -= step;
}
break;
}
break;
@@
-3313,6
+3321,18
@@
void freeze(void) {
pause();
}
pause();
}
+bool null_or_empty(struct stat *st) {
+ assert(st);
+
+ if (S_ISREG(st->st_mode) && st->st_size <= 0)
+ return true;
+
+ if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
+ return true;
+
+ return false;
+}
+
static const char *const ioprio_class_table[] = {
[IOPRIO_CLASS_NONE] = "none",
[IOPRIO_CLASS_RT] = "realtime",
static const char *const ioprio_class_table[] = {
[IOPRIO_CLASS_NONE] = "none",
[IOPRIO_CLASS_RT] = "realtime",