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Diffstat (limited to 'src/shared/logs-show.c')
-rw-r--r--src/shared/logs-show.c68
1 files changed, 34 insertions, 34 deletions
diff --git a/src/shared/logs-show.c b/src/shared/logs-show.c
index c2495056d7..ac5eb16f62 100644
--- a/src/shared/logs-show.c
+++ b/src/shared/logs-show.c
@@ -20,9 +20,7 @@
***/
#include <time.h>
-#include <assert.h>
#include <errno.h>
-#include <poll.h>
#include <sys/socket.h>
#include <string.h>
#include <fcntl.h>
@@ -32,8 +30,10 @@
#include "util.h"
#include "utf8.h"
#include "hashmap.h"
-#include "fileio.h"
#include "journal-internal.h"
+#include "formats-util.h"
+#include "process-util.h"
+#include "terminal-util.h"
/* up to three lines (each up to 100 characters),
or 300 characters, whichever is less */
@@ -272,7 +272,7 @@ static int output_short(
}
if (r < 0)
- return r;
+ return log_error_errno(r, "Failed to get journal fields: %m");
if (!message)
return 0;
@@ -408,11 +408,9 @@ static int output_verbose(
r = sd_journal_get_data(j, "_SOURCE_REALTIME_TIMESTAMP", &data, &length);
if (r == -ENOENT)
log_debug("Source realtime timestamp not found");
- else if (r < 0) {
- log_full(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR,
- "Failed to get source realtime timestamp: %s", strerror(-r));
- return r;
- } else {
+ else if (r < 0)
+ return log_full_errno(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, r, "Failed to get source realtime timestamp: %m");
+ else {
_cleanup_free_ char *value = NULL;
size_t size;
@@ -428,11 +426,8 @@ static int output_verbose(
if (r < 0) {
r = sd_journal_get_realtime_usec(j, &realtime);
- if (r < 0) {
- log_full(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR,
- "Failed to get realtime timestamp: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_full_errno(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, r, "Failed to get realtime timestamp: %m");
}
r = sd_journal_get_cursor(j, &cursor);
@@ -682,7 +677,7 @@ static int output_json(
h = hashmap_new(&string_hash_ops);
if (!h)
- return -ENOMEM;
+ return log_oom();
/* First round, iterate through the entry and count how often each field appears */
JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) {
@@ -700,7 +695,7 @@ static int output_json(
n = strndup(data, eq - (const char*) data);
if (!n) {
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
@@ -709,13 +704,16 @@ static int output_json(
r = hashmap_put(h, n, UINT_TO_PTR(1));
if (r < 0) {
free(n);
+ log_oom();
goto finish;
}
} else {
r = hashmap_update(h, n, UINT_TO_PTR(u + 1));
free(n);
- if (r < 0)
+ if (r < 0) {
+ log_oom();
goto finish;
+ }
}
}
@@ -753,7 +751,7 @@ static int output_json(
n = strndup(data, m);
if (!n) {
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
@@ -948,11 +946,11 @@ static int show_journal(FILE *f,
/* Seek to end */
r = sd_journal_seek_tail(j);
if (r < 0)
- goto finish;
+ return log_error_errno(r, "Failed to seek to tail: %m");
r = sd_journal_previous_skip(j, how_many);
if (r < 0)
- goto finish;
+ return log_error_errno(r, "Failed to skip previous: %m");
for (;;) {
for (;;) {
@@ -961,7 +959,7 @@ static int show_journal(FILE *f,
if (need_seek) {
r = sd_journal_next(j);
if (r < 0)
- goto finish;
+ return log_error_errno(r, "Failed to iterate through journal: %m");
}
if (r == 0)
@@ -977,7 +975,7 @@ static int show_journal(FILE *f,
if (r == -ESTALE)
continue;
else if (r < 0)
- goto finish;
+ return log_error_errno(r, "Failed to get journal time: %m");
if (usec < not_before)
continue;
@@ -988,22 +986,22 @@ static int show_journal(FILE *f,
r = output_journal(f, j, mode, n_columns, flags, ellipsized);
if (r < 0)
- goto finish;
+ return r;
}
if (warn_cutoff && line < how_many && not_before > 0) {
sd_id128_t boot_id;
- usec_t cutoff;
+ usec_t cutoff = 0;
/* Check whether the cutoff line is too early */
r = sd_id128_get_boot(&boot_id);
if (r < 0)
- goto finish;
+ return log_error_errno(r, "Failed to get boot id: %m");
r = sd_journal_get_cutoff_monotonic_usec(j, boot_id, &cutoff, NULL);
if (r < 0)
- goto finish;
+ return log_error_errno(r, "Failed to get journal cutoff time: %m");
if (r > 0 && not_before < cutoff) {
maybe_print_begin_newline(f, &flags);
@@ -1018,12 +1016,11 @@ static int show_journal(FILE *f,
r = sd_journal_wait(j, USEC_INFINITY);
if (r < 0)
- goto finish;
+ return log_error_errno(r, "Failed to wait for journal: %m");
}
-finish:
- return r;
+ return 0;
}
int add_matches_for_unit(sd_journal *j, const char *unit) {
@@ -1166,9 +1163,9 @@ static int get_boot_id_for_machine(const char *machine, sd_id128_t *boot_id) {
if (fd < 0)
_exit(EXIT_FAILURE);
- k = loop_read(fd, buf, 36, false);
+ r = loop_read_exact(fd, buf, 36, false);
safe_close(fd);
- if (k != 36)
+ if (r < 0)
_exit(EXIT_FAILURE);
k = send(pair[1], buf, 36, MSG_NOSIGNAL);
@@ -1220,7 +1217,7 @@ int add_match_this_boot(sd_journal *j, const char *machine) {
r = sd_journal_add_conjunction(j);
if (r < 0)
- return r;
+ return log_error_errno(r, "Failed to add conjunction: %m");
return 0;
}
@@ -1250,7 +1247,7 @@ int show_journal_by_unit(
r = sd_journal_open(&j, journal_open_flags);
if (r < 0)
- return r;
+ return log_error_errno(r, "Failed to open journal: %m");
r = add_match_this_boot(j, NULL);
if (r < 0)
@@ -1261,12 +1258,15 @@ int show_journal_by_unit(
else
r = add_matches_for_user_unit(j, unit, uid);
if (r < 0)
- return r;
+ return log_error_errno(r, "Failed to add unit matches: %m");
if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) {
_cleanup_free_ char *filter;
filter = journal_make_match_string(j);
+ if (!filter)
+ return log_oom();
+
log_debug("Journal filter: %s", filter);
}