summaryrefslogtreecommitdiff
path: root/src/journal/sd-journal.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/journal/sd-journal.c')
-rw-r--r--src/journal/sd-journal.c281
1 files changed, 92 insertions, 189 deletions
diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 1c91f007b7..2ba7ca4559 100644
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -216,19 +216,14 @@ _public_ int sd_journal_add_match(sd_journal *j, const void *data, size_t size)
Match *l3, *l4, *add_here = NULL, *m;
le64_t le_hash;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
-
- if (!data)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(data, -EINVAL);
if (size == 0)
size = strlen(data);
- if (!match_is_valid(data, size))
- return -EINVAL;
+ assert_return(match_is_valid(data, size), -EINVAL);
/* level 0: AND term
* level 1: OR terms
@@ -314,10 +309,8 @@ fail:
}
_public_ int sd_journal_add_conjunction(sd_journal *j) {
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
if (!j->level0)
return 0;
@@ -335,10 +328,8 @@ _public_ int sd_journal_add_conjunction(sd_journal *j) {
}
_public_ int sd_journal_add_disjunction(sd_journal *j) {
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
if (!j->level0)
return 0;
@@ -884,10 +875,8 @@ static int real_journal_next(sd_journal *j, direction_t direction) {
Iterator i;
int r;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
HASHMAP_FOREACH(f, j->files, i) {
bool found;
@@ -938,10 +927,8 @@ _public_ int sd_journal_previous(sd_journal *j) {
static int real_journal_next_skip(sd_journal *j, direction_t direction, uint64_t skip) {
int c = 0, r;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
if (skip == 0) {
/* If this is not a discrete skip, then at least
@@ -980,12 +967,9 @@ _public_ int sd_journal_get_cursor(sd_journal *j, char **cursor) {
int r;
char bid[33], sid[33];
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!cursor)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(cursor, -EINVAL);
if (!j->current_file || j->current_file->current_offset <= 0)
return -EADDRNOTAVAIL;
@@ -1021,12 +1005,9 @@ _public_ int sd_journal_seek_cursor(sd_journal *j, const char *cursor) {
xor_hash_set = false;
sd_id128_t seqnum_id, boot_id;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (isempty(cursor))
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(!isempty(cursor), -EINVAL);
FOREACH_WORD_SEPARATOR(w, l, cursor, ";", state) {
char *item;
@@ -1122,12 +1103,9 @@ _public_ int sd_journal_test_cursor(sd_journal *j, const char *cursor) {
size_t l;
Object *o;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (isempty(cursor))
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(!isempty(cursor), -EINVAL);
if (!j->current_file || j->current_file->current_offset <= 0)
return -EADDRNOTAVAIL;
@@ -1202,10 +1180,8 @@ _public_ int sd_journal_test_cursor(sd_journal *j, const char *cursor) {
_public_ int sd_journal_seek_monotonic_usec(sd_journal *j, sd_id128_t boot_id, uint64_t usec) {
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
reset_location(j);
j->current_location.type = LOCATION_SEEK;
@@ -1217,10 +1193,8 @@ _public_ int sd_journal_seek_monotonic_usec(sd_journal *j, sd_id128_t boot_id, u
}
_public_ int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec) {
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
reset_location(j);
j->current_location.type = LOCATION_SEEK;
@@ -1231,10 +1205,8 @@ _public_ int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec) {
}
_public_ int sd_journal_seek_head(sd_journal *j) {
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
reset_location(j);
j->current_location.type = LOCATION_HEAD;
@@ -1243,10 +1215,8 @@ _public_ int sd_journal_seek_head(sd_journal *j) {
}
_public_ int sd_journal_seek_tail(sd_journal *j) {
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
reset_location(j);
j->current_location.type = LOCATION_TAIL;
@@ -1713,8 +1683,7 @@ _public_ int sd_journal_open(sd_journal **ret, int flags) {
sd_journal *j;
int r;
- if (!ret)
- return -EINVAL;
+ assert_return(ret, -EINVAL);
if (flags & ~(SD_JOURNAL_LOCAL_ONLY|
SD_JOURNAL_RUNTIME_ONLY|
@@ -1743,14 +1712,9 @@ _public_ int sd_journal_open_directory(sd_journal **ret, const char *path, int f
sd_journal *j;
int r;
- if (!ret)
- return -EINVAL;
-
- if (!path)
- return -EINVAL;
-
- if (flags != 0)
- return -EINVAL;
+ assert_return(ret, -EINVAL);
+ assert_return(path, -EINVAL);
+ assert_return(flags == 0, -EINVAL);
j = journal_new(flags, path);
if (!j)
@@ -1776,11 +1740,8 @@ _public_ int sd_journal_open_files(sd_journal **ret, const char **paths, int fla
const char **path;
int r;
- if (!ret)
- return -EINVAL;
-
- if (flags != 0)
- return -EINVAL;
+ assert_return(ret, -EINVAL);
+ assert_return(flags == 0, -EINVAL);
j = journal_new(flags, NULL);
if (!j)
@@ -1847,12 +1808,9 @@ _public_ int sd_journal_get_realtime_usec(sd_journal *j, uint64_t *ret) {
JournalFile *f;
int r;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!ret)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(ret, -EINVAL);
f = j->current_file;
if (!f)
@@ -1875,10 +1833,8 @@ _public_ int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret, sd_id12
int r;
sd_id128_t id;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
f = j->current_file;
if (!f)
@@ -1943,19 +1899,12 @@ _public_ int sd_journal_get_data(sd_journal *j, const char *field, const void **
int r;
Object *o;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!field)
- return -EINVAL;
- if (!data)
- return -EINVAL;
- if (!size)
- return -EINVAL;
-
- if (!field_is_valid(field))
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(field, -EINVAL);
+ assert_return(data, -EINVAL);
+ assert_return(size, -EINVAL);
+ assert_return(field_is_valid(field), -EINVAL);
f = j->current_file;
if (!f)
@@ -2071,14 +2020,10 @@ _public_ int sd_journal_enumerate_data(sd_journal *j, const void **data, size_t
int r;
Object *o;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!data)
- return -EINVAL;
- if (!size)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(data, -EINVAL);
+ assert_return(size, -EINVAL);
f = j->current_file;
if (!f)
@@ -2123,10 +2068,8 @@ _public_ void sd_journal_restart_data(sd_journal *j) {
_public_ int sd_journal_get_fd(sd_journal *j) {
int r;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
if (j->inotify_fd >= 0)
return j->inotify_fd;
@@ -2152,10 +2095,8 @@ _public_ int sd_journal_get_fd(sd_journal *j) {
_public_ int sd_journal_get_events(sd_journal *j) {
int fd;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
fd = sd_journal_get_fd(j);
if (fd < 0)
@@ -2167,12 +2108,9 @@ _public_ int sd_journal_get_events(sd_journal *j) {
_public_ int sd_journal_get_timeout(sd_journal *j, uint64_t *timeout_usec) {
int fd;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!timeout_usec)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(timeout_usec, -EINVAL);
fd = sd_journal_get_fd(j);
if (fd < 0)
@@ -2269,10 +2207,8 @@ _public_ int sd_journal_process(sd_journal *j) {
uint8_t buffer[sizeof(struct inotify_event) + FILENAME_MAX] _alignas_(struct inotify_event);
bool got_something = false;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
j->last_process_usec = now(CLOCK_MONOTONIC);
@@ -2311,10 +2247,8 @@ _public_ int sd_journal_wait(sd_journal *j, uint64_t timeout_usec) {
int r;
uint64_t t;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
if (j->inotify_fd < 0) {
@@ -2361,14 +2295,10 @@ _public_ int sd_journal_get_cutoff_realtime_usec(sd_journal *j, uint64_t *from,
bool first = true;
int r;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!from && !to)
- return -EINVAL;
- if (from == to)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(from || to, -EINVAL);
+ assert_return(from != to, -EINVAL);
HASHMAP_FOREACH(f, j->files, i) {
usec_t fr, t;
@@ -2404,14 +2334,10 @@ _public_ int sd_journal_get_cutoff_monotonic_usec(sd_journal *j, sd_id128_t boot
bool first = true;
int r;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!from && !to)
- return -EINVAL;
- if (from == to)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(from || to, -EINVAL);
+ assert_return(from != to, -EINVAL);
HASHMAP_FOREACH(f, j->files, i) {
usec_t fr, t;
@@ -2463,12 +2389,9 @@ _public_ int sd_journal_get_usage(sd_journal *j, uint64_t *bytes) {
JournalFile *f;
uint64_t sum = 0;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!bytes)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(bytes, -EINVAL);
HASHMAP_FOREACH(f, j->files, i) {
struct stat st;
@@ -2486,14 +2409,10 @@ _public_ int sd_journal_get_usage(sd_journal *j, uint64_t *bytes) {
_public_ int sd_journal_query_unique(sd_journal *j, const char *field) {
char *f;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (isempty(field))
- return -EINVAL;
- if (!field_is_valid(field))
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(!isempty(field), -EINVAL);
+ assert_return(field_is_valid(field), -EINVAL);
f = strdup(field);
if (!f)
@@ -2512,16 +2431,11 @@ _public_ int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_
size_t k;
int r;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!data)
- return -EINVAL;
- if (!l)
- return -EINVAL;
- if (!j->unique_field)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(data, -EINVAL);
+ assert_return(l, -EINVAL);
+ assert_return(j->unique_field, -EINVAL);
k = strlen(j->unique_field);
@@ -2626,10 +2540,8 @@ _public_ void sd_journal_restart_unique(sd_journal *j) {
}
_public_ int sd_journal_reliable_fd(sd_journal *j) {
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
return !j->on_network;
}
@@ -2661,12 +2573,9 @@ _public_ int sd_journal_get_catalog(sd_journal *j, char **ret) {
char *t;
int r;
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!ret)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(ret, -EINVAL);
r = sd_journal_get_data(j, "MESSAGE_ID", &data, &size);
if (r < 0)
@@ -2693,29 +2602,23 @@ _public_ int sd_journal_get_catalog(sd_journal *j, char **ret) {
}
_public_ int sd_journal_get_catalog_for_message_id(sd_id128_t id, char **ret) {
- if (!ret)
- return -EINVAL;
+ assert_return(ret, -EINVAL);
return catalog_get(CATALOG_DATABASE, id, ret);
}
_public_ int sd_journal_set_data_threshold(sd_journal *j, size_t sz) {
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
j->data_threshold = sz;
return 0;
}
_public_ int sd_journal_get_data_threshold(sd_journal *j, size_t *sz) {
- if (!j)
- return -EINVAL;
- if (journal_pid_changed(j))
- return -ECHILD;
- if (!sz)
- return -EINVAL;
+ assert_return(j, -EINVAL);
+ assert_return(!journal_pid_changed(j), -ECHILD);
+ assert_return(sz, -EINVAL);
*sz = j->data_threshold;
return 0;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-03 01:57:18 +0000