journal,shared: add _cleanup_journal_close_

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

diff --git a/src/journal/coredumpctl.c b/src/journal/coredumpctl.c
index 60bba7f0e83b0d0ecd256a56fdf8f64d43286251..99ca26932799d41ab54d389d7e4d22045bcd0d8d 100644 (file)
--- a/src/journal/coredumpctl.c
+++ b/src/journal/coredumpctl.c
@@ -19,6 +19,7 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <locale.h>
 #include <stdio.h>
 #include <string.h>
 #include <getopt.h>
@@ -33,6 +34,7 @@
 #include "log.h"
 #include "path-util.h"
 #include "pager.h"
+#include "macro.h"
 
 static enum {
         ACTION_NONE,
@@ -41,7 +43,6 @@ static enum {
         ACTION_GDB,
 } arg_action = ACTION_LIST;
 
-static Set *matches = NULL;
 static FILE* output = NULL;
 static char* field = NULL;
 
@@ -87,6 +88,8 @@ static int help(void) {
                "Commands:\n"
                "  -h --help         Show this help\n"
                "  --version         Print version string\n"
+               "  -F --field=FIELD  List all values a certain field takes\n"
+               "  gdb               Start gdb for the first matching coredump\n"
                "  list              List available coredumps\n"
                "  dump PID          Print coredump to stdout\n"
                "  dump PATH         Print coredump to stdout\n"
@@ -136,7 +139,7 @@ fail:
         return r;
 }
 
-static int parse_argv(int argc, char *argv[]) {
+static int parse_argv(int argc, char *argv[], Set *matches) {
         enum {
                 ARG_VERSION = 0x100,
                 ARG_NO_PAGER,
@@ -167,7 +170,6 @@ static int parse_argv(int argc, char *argv[]) {
 
                 case ARG_VERSION:
                         puts(PACKAGE_STRING);
-                        puts(DISTRIBUTION);
                         puts(SYSTEMD_FEATURES);
                         arg_action = ACTION_NONE;
                         return 0;
@@ -259,7 +261,7 @@ 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;
@@ -339,6 +341,11 @@ 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);
@@ -378,6 +385,9 @@ 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;
@@ -425,6 +435,8 @@ static int run_gdb(sd_journal *j) {
 
         assert(j);
 
+        sd_journal_set_data_threshold(j, 0);
+
         r = focus(j);
         if (r < 0)
                 return r;
@@ -507,11 +519,13 @@ finish:
 }
 
 int main(int argc, char *argv[]) {
-        sd_journal *j = NULL;
+        sd_journal _cleanup_journal_close_ *j = NULL;
         const char* match;
         Iterator it;
         int r = 0;
+        Set _cleanup_set_free_free_ *matches = NULL;
 
+        setlocale(LC_ALL, "");
         log_parse_environment();
         log_open();
 
@@ -521,7 +535,7 @@ int main(int argc, char *argv[]) {
                 goto end;
         }
 
-        r = parse_argv(argc, argv);
+        r = parse_argv(argc, argv, matches);
         if (r < 0)
                 goto end;
 
@@ -547,7 +561,7 @@ int main(int argc, char *argv[]) {
 
         case ACTION_LIST:
                 if (!arg_no_pager)
-                        pager_open();
+                        pager_open(false);
 
                 r = dump_list(j);
                 break;
@@ -565,11 +579,6 @@ int main(int argc, char *argv[]) {
         }
 
 end:
-        if (j)
-                sd_journal_close(j);
-
-        set_free_free(matches);
-
         pager_close();
 
         if (output)