sd-rtnl: fix reading of nla type

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

diff --git a/src/journal/cat.c b/src/journal/cat.c
index ea615783531eeb9a34dcf558020ed7885780328f..627c0624a5064b26260b904b1f26572418e1ebfa 100644 (file)
--- a/src/journal/cat.c
+++ b/src/journal/cat.c
@@ -27,7 +27,7 @@
 #include <errno.h>
 #include <fcntl.h>
 
-#include <systemd/sd-journal.h>
+#include "systemd/sd-journal.h"
 
 #include "util.h"
 #include "build.h"
@@ -36,18 +36,15 @@ static char *arg_identifier = NULL;
 static int arg_priority = LOG_INFO;
 static bool arg_level_prefix = true;
 
-static int help(void) {
-
+static void help(void) {
         printf("%s [OPTIONS...] {COMMAND} ...\n\n"
                "Execute process with stdout/stderr connected to the journal.\n\n"
                "  -h --help               Show this help\n"
                "     --version            Show package version\n"
                "  -t --identifier=STRING  Set syslog identifier\n"
                "  -p --priority=PRIORITY  Set priority value (0..7)\n"
-               "     --level-prefix=BOOL  Control whether level prefix shall be parsed\n",
-               program_invocation_short_name);
-
-        return 0;
+               "     --level-prefix=BOOL  Control whether level prefix shall be parsed\n"
+               , program_invocation_short_name);
 }
 
 static int parse_argv(int argc, char *argv[]) {
@@ -63,7 +60,7 @@ static int parse_argv(int argc, char *argv[]) {
                 { "identifier",   required_argument, NULL, 't'              },
                 { "priority",     required_argument, NULL, 'p'              },
                 { "level-prefix", required_argument, NULL, ARG_LEVEL_PREFIX },
-                { NULL,           0,                 NULL, 0                }
+                {}
         };
 
         int c;
@@ -71,7 +68,7 @@ static int parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "+ht:p:", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "+ht:p:", options, NULL)) >= 0)
 
                 switch (c) {
 
@@ -115,11 +112,12 @@ static int parse_argv(int argc, char *argv[]) {
                         break;
                 }
 
-                default:
-                        log_error("Unknown option code %c", c);
+                case '?':
                         return -EINVAL;
+
+                default:
+                        assert_not_reached("Unhandled option");
                 }
-        }
 
         return 1;
 }
@@ -151,7 +149,7 @@ int main(int argc, char *argv[]) {
         }
 
         if (fd >= 3)
-                close_nointr_nofail(fd);
+                safe_close(fd);
 
         fd = -1;
 
@@ -169,11 +167,8 @@ int main(int argc, char *argv[]) {
         log_error("Failed to execute process: %s", strerror(-r));
 
 finish:
-        if (fd >= 0)
-                close_nointr_nofail(fd);
-
-        if (saved_stderr >= 0)
-                close_nointr_nofail(saved_stderr);
+        safe_close(fd);
+        safe_close(saved_stderr);
 
         return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
 }