systemctl: don't show cgroup field for a unit if cgroup is empty

[elogind.git] / src / journal / coredumpctl.c

diff --git a/src/journal/coredumpctl.c b/src/journal/coredumpctl.c
index 4adc9236f1fd3428d6f98ea3725a21e927a8f84f..4f0ed5839776f24d62c4ee1efa907e74fb14d18f 100644 (file)
--- a/src/journal/coredumpctl.c
+++ b/src/journal/coredumpctl.c
@@ -262,7 +262,7 @@ static int retrieve(const void *data,
                 return 0;
 
         *var = strndup((const char*)data + ident, len - ident);
-        if (!var)
+        if (!*var)
                 return log_oom();
 
         return 0;
@@ -342,6 +342,11 @@ static int dump_list(sd_journal *j) {
 
         assert(j);
 
+        /* The coredumps are likely to compressed, and for just
+         * listing them we don#t need to decompress them, so let's
+         * pick a fairly low data threshold here */
+        sd_journal_set_data_threshold(j, 4096);
+
         SD_JOURNAL_FOREACH(j) {
                 if (field)
                         print_field(stdout, j);
@@ -381,6 +386,9 @@ static int dump_core(sd_journal* j) {
 
         assert(j);
 
+        /* We want full data, nothing truncated. */
+        sd_journal_set_data_threshold(j, 0);
+
         r = focus(j);
         if (r < 0)
                 return r;
@@ -428,6 +436,8 @@ static int run_gdb(sd_journal *j) {
 
         assert(j);
 
+        sd_journal_set_data_threshold(j, 0);
+
         r = focus(j);
         if (r < 0)
                 return r;