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man: document systemd-cat(1)

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This commit is contained in:
Lennart Poettering
2012-03-15 22:19:36 +01:00
parent ccdbaf9111
commit 9aac0b2c19
5 changed files with 230 additions and 6 deletions
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src/journal/cat.c
+6 -5
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@@ -59,7 +59,7 @@ static int parse_argv(int argc, char *argv[]) {
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version" , no_argument, NULL, ARG_VERSION },
{ "version", no_argument, NULL, ARG_VERSION },
{ "identifier", required_argument, NULL, 't' },
{ "priority", required_argument, NULL, 'p' },
{ "level-prefix", required_argument, NULL, ARG_LEVEL_PREFIX },
@@ -139,7 +139,7 @@ int main(int argc, char *argv[]) {
fd = sd_journal_stream_fd(arg_identifier, arg_priority, arg_level_prefix);
if (fd < 0) {
log_error("Failed to create stream fd: %s", strerror(fd));
log_error("Failed to create stream fd: %s", strerror(-fd));
r = fd;
goto finish;
}
@@ -148,7 +148,7 @@ int main(int argc, char *argv[]) {
if (dup3(fd, STDOUT_FILENO, 0) < 0 ||
dup3(fd, STDERR_FILENO, 0) < 0) {
log_error("Failed to duplicate fd: %s", strerror(fd));
log_error("Failed to duplicate fd: %m");
r = -errno;
goto finish;
}
@@ -163,12 +163,13 @@ int main(int argc, char *argv[]) {
else
execvp(argv[optind], argv + optind);
r = -errno;
/* Let's try to restore a working stderr, so we can print the error message */
if (saved_stderr >= 0)
dup3(saved_stderr, STDERR_FILENO, 0);
log_error("Failed to execute process: %m");
r = -errno;
log_error("Failed to execute process: %s", strerror(-r));
finish:
if (fd >= 0)