From e3bfb7be07d9b1f4ebb12eb22c4c8bcd2a988d51 Mon Sep 17 00:00:00 2001 From: Zbigniew Jędrzejewski-Szmek Date: Tue, 10 Dec 2013 06:17:01 -0500 Subject: journald: malloc less when streaming messages --- src/journal/journald-stream.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) (limited to 'src/journal/journald-stream.c') diff --git a/src/journal/journald-stream.c b/src/journal/journald-stream.c index 42a846b8ea..5c15a56bac 100644 --- a/src/journal/journald-stream.c +++ b/src/journal/journald-stream.c @@ -76,9 +76,11 @@ struct StdoutStream { static int stdout_stream_log(StdoutStream *s, const char *p) { struct iovec iovec[N_IOVEC_META_FIELDS + 5]; - _cleanup_free_ char *message = NULL, *syslog_priority = NULL, *syslog_facility = NULL, *syslog_identifier = NULL; - unsigned n = 0; int priority; + char syslog_priority[] = "PRIORITY=\0"; + char syslog_facility[sizeof("SYSLOG_FACILITY=") + DECIMAL_STR_MAX(priority)]; + _cleanup_free_ char *message = NULL, *syslog_identifier = NULL; + unsigned n = 0; char *label = NULL; size_t label_len = 0; @@ -91,7 +93,7 @@ static int stdout_stream_log(StdoutStream *s, const char *p) { priority = s->priority; if (s->level_prefix) - syslog_parse_priority((char**) &p, &priority, false); + syslog_parse_priority(&p, &priority, false); if (s->forward_to_syslog || s->server->forward_to_syslog) server_forward_syslog(s->server, syslog_fixup_facility(priority), s->identifier, p, &s->ucred, NULL); @@ -104,12 +106,13 @@ static int stdout_stream_log(StdoutStream *s, const char *p) { IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=stdout"); - if (asprintf(&syslog_priority, "PRIORITY=%i", priority & LOG_PRIMASK) >= 0) - IOVEC_SET_STRING(iovec[n++], syslog_priority); + syslog_priority[strlen("PRIORITY=")] = '0' + LOG_PRI(priority); + IOVEC_SET_STRING(iovec[n++], syslog_priority); - if (priority & LOG_FACMASK) - if (asprintf(&syslog_facility, "SYSLOG_FACILITY=%i", LOG_FAC(priority)) >= 0) - IOVEC_SET_STRING(iovec[n++], syslog_facility); + if (priority & LOG_FACMASK) { + snprintf(syslog_facility, sizeof(syslog_facility), "SYSLOG_FACILITY=%i", LOG_FAC(priority)); + IOVEC_SET_STRING(iovec[n++], syslog_facility); + } if (s->identifier) { syslog_identifier = strappend("SYSLOG_IDENTIFIER=", s->identifier); @@ -411,7 +414,7 @@ fail: int server_open_stdout_socket(Server *s) { int r; - struct epoll_event ev; + struct epoll_event ev = { .events = EPOLLIN }; assert(s); @@ -444,8 +447,6 @@ int server_open_stdout_socket(Server *s) { } else fd_nonblock(s->stdout_fd, 1); - zero(ev); - ev.events = EPOLLIN; ev.data.fd = s->stdout_fd; if (epoll_ctl(s->epoll_fd, EPOLL_CTL_ADD, s->stdout_fd, &ev) < 0) { log_error("Failed to add stdout server fd to epoll object: %m"); -- cgit v1.2.3-54-g00ecf