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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-08-03 19:38:13 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-08-11 18:10:34 -0400
commit94e0bd7db1d7ca8ab7f738cdab1d014241f5b225 (patch)
tree0f670f29e0717d887c4abbbfbab730cfdedefcd8 /src/shared/logs-show.c
parentf535088ef72a92533f2c4270d06289c89737fa2a (diff)
systemctl: show hint about --full when lines don't fit
Diffstat (limited to 'src/shared/logs-show.c')
-rw-r--r--src/shared/logs-show.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/src/shared/logs-show.c b/src/shared/logs-show.c
index bd7363aa82..51cd7d51c5 100644
--- a/src/shared/logs-show.c
+++ b/src/shared/logs-show.c
@@ -101,10 +101,11 @@ static bool shall_print(const char *p, size_t l, OutputFlags flags) {
return true;
}
-static void print_multiline(FILE *f, unsigned prefix, unsigned n_columns, OutputMode flags, int priority, const char* message, size_t message_len) {
+static bool print_multiline(FILE *f, unsigned prefix, unsigned n_columns, OutputMode flags, int priority, const char* message, size_t message_len) {
const char *color_on = "", *color_off = "";
const char *pos, *end;
bool continuation = false;
+ bool ellipsized = false;
if (flags & OUTPUT_COLOR) {
if (priority <= LOG_ERR) {
@@ -130,17 +131,22 @@ static void print_multiline(FILE *f, unsigned prefix, unsigned n_columns, Output
else if (prefix < n_columns && n_columns - prefix >= 3) {
_cleanup_free_ char *e;
+ ellipsized = true;
e = ellipsize_mem(pos, len, n_columns - prefix, 90);
if (!e)
fprintf(f, "%s%.*s%s\n", color_on, len, pos, color_off);
else
fprintf(f, "%s%s%s\n", color_on, e, color_off);
- } else
+ } else {
+ ellipsized = true;
fputs("...\n", f);
+ }
continuation = true;
}
+
+ return ellipsized;
}
static int output_short(
@@ -157,6 +163,7 @@ static int output_short(
_cleanup_free_ char *hostname = NULL, *identifier = NULL, *comm = NULL, *pid = NULL, *fake_pid = NULL, *message = NULL, *realtime = NULL, *monotonic = NULL, *priority = NULL;
size_t hostname_len = 0, identifier_len = 0, comm_len = 0, pid_len = 0, fake_pid_len = 0, message_len = 0, realtime_len = 0, monotonic_len = 0, priority_len = 0;
int p = LOG_INFO;
+ bool ellipsized = false;
assert(f);
assert(j);
@@ -314,13 +321,14 @@ static int output_short(
fprintf(f, ": [%s blob data]\n", format_bytes(bytes, sizeof(bytes), message_len));
} else {
fputs(": ", f);
- print_multiline(f, n + 2, n_columns, flags, p, message, message_len);
+ ellipsized |=
+ print_multiline(f, n + 2, n_columns, flags, p, message, message_len);
}
if (flags & OUTPUT_CATALOG)
print_catalog(f, j);
- return 0;
+ return ellipsized;
}
static int output_verbose(
@@ -817,7 +825,8 @@ int output_journal(
sd_journal *j,
OutputMode mode,
unsigned n_columns,
- OutputFlags flags) {
+ OutputFlags flags,
+ bool *ellipsized) {
int ret;
assert(mode >= 0);
@@ -828,6 +837,10 @@ int output_journal(
ret = output_funcs[mode](f, j, mode, n_columns, flags);
fflush(stdout);
+
+ if (ellipsized && ret > 0)
+ *ellipsized = true;
+
return ret;
}
@@ -837,7 +850,8 @@ static int show_journal(FILE *f,
unsigned n_columns,
usec_t not_before,
unsigned how_many,
- OutputFlags flags) {
+ OutputFlags flags,
+ bool *ellipsized) {
int r;
unsigned line = 0;
@@ -888,7 +902,7 @@ static int show_journal(FILE *f,
line ++;
- r = output_journal(f, j, mode, n_columns, flags);
+ r = output_journal(f, j, mode, n_columns, flags, ellipsized);
if (r < 0)
goto finish;
}
@@ -1037,7 +1051,8 @@ int show_journal_by_unit(
unsigned how_many,
uid_t uid,
OutputFlags flags,
- bool system) {
+ bool system,
+ bool *ellipsized) {
_cleanup_journal_close_ sd_journal*j = NULL;
int r;
@@ -1072,11 +1087,7 @@ int show_journal_by_unit(
log_debug("Journal filter: %s", filter);
}
- r = show_journal(f, j, mode, n_columns, not_before, how_many, flags);
- if (r < 0)
- return r;
-
- return 0;
+ return show_journal(f, j, mode, n_columns, not_before, how_many, flags, ellipsized);
}
static const char *const output_mode_table[_OUTPUT_MODE_MAX] = {