systemd/0271-journal-vacuum-use-CLEANUP_ARRAY.patch

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From e548d975a79204ab88ab6638aa5b24c173402723 Mon Sep 17 00:00:00 2001
From: David Tardon <dtardon@redhat.com>
Date: Wed, 22 Mar 2023 12:53:20 +0100
Subject: [PATCH] journal-vacuum: use CLEANUP_ARRAY
(cherry picked from commit 567cb18cc9185900ac6f701f0783a7d378e213cf)
Related: #2182632
---
src/libsystemd/sd-journal/journal-vacuum.c | 41 +++++++++++-----------
1 file changed, 20 insertions(+), 21 deletions(-)
diff --git a/src/libsystemd/sd-journal/journal-vacuum.c b/src/libsystemd/sd-journal/journal-vacuum.c
index e3d691a1e9..6f8aaaee4c 100644
--- a/src/libsystemd/sd-journal/journal-vacuum.c
+++ b/src/libsystemd/sd-journal/journal-vacuum.c
@@ -47,6 +47,16 @@ static int vacuum_info_compare(const vacuum_info *a, const vacuum_info *b) {
return strcmp(a->filename, b->filename);
}
+static void vacuum_info_array_free(vacuum_info *list, size_t n) {
+ if (!list)
+ return;
+
+ FOREACH_ARRAY(i, list, n)
+ free(i->filename);
+
+ free(list);
+}
+
static void patch_realtime(
int fd,
const char *fn,
@@ -129,6 +139,8 @@ int journal_directory_vacuum(
usec_t retention_limit = 0;
int r;
+ CLEANUP_ARRAY(list, n_list, vacuum_info_array_free);
+
assert(directory);
if (max_use <= 0 && max_retention_usec <= 0 && n_max_files <= 0)
@@ -141,7 +153,7 @@ int journal_directory_vacuum(
if (!d)
return -errno;
- FOREACH_DIRENT_ALL(de, d, r = -errno; goto finish) {
+ FOREACH_DIRENT_ALL(de, d, return -errno) {
unsigned long long seqnum = 0, realtime;
_cleanup_free_ char *p = NULL;
sd_id128_t seqnum_id;
@@ -182,10 +194,8 @@ int journal_directory_vacuum(
}
p = strdup(de->d_name);
- if (!p) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!p)
+ return -ENOMEM;
de->d_name[q-8-16-1-16-1] = 0;
if (sd_id128_from_string(de->d_name + q-8-16-1-16-1-32, &seqnum_id) < 0) {
@@ -224,10 +234,8 @@ int journal_directory_vacuum(
}
p = strdup(de->d_name);
- if (!p) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!p)
+ return -ENOMEM;
if (sscanf(de->d_name + q-1-8-16-1-16, "%16llx-%16llx.journal~", &realtime, &tmp) != 2) {
n_active_files++;
@@ -265,10 +273,8 @@ int journal_directory_vacuum(
patch_realtime(dirfd(d), p, &st, &realtime);
- if (!GREEDY_REALLOC(list, n_list + 1)) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!GREEDY_REALLOC(list, n_list + 1))
+ return -ENOMEM;
list[n_list++] = (vacuum_info) {
.filename = TAKE_PTR(p),
@@ -312,15 +318,8 @@ int journal_directory_vacuum(
if (oldest_usec && i < n_list && (*oldest_usec == 0 || list[i].realtime < *oldest_usec))
*oldest_usec = list[i].realtime;
- r = 0;
-
-finish:
- for (i = 0; i < n_list; i++)
- free(list[i].filename);
- free(list);
-
log_full(verbose ? LOG_INFO : LOG_DEBUG, "Vacuuming done, freed %s of archived journals from %s.",
FORMAT_BYTES(freed), directory);
- return r;
+ return 0;
}