log.h: new log_oom() -> int -ENOMEM, use it

[elogind.git] / src / shared / log.h

diff --git a/src/shared/log.h b/src/shared/log.h
index 3283808ff88cbdc3c201d06a96693e598cc4c94b..7bdb3e08650bf6dc27a0a348c1d7a28cf820fe2a 100644 (file)
--- a/src/shared/log.h
+++ b/src/shared/log.h
@@ -1,7 +1,6 @@
 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
-#ifndef foologhfoo
-#define foologhfoo
+#pragma once
 
 /***
   This file is part of systemd.
@@ -9,22 +8,23 @@
   Copyright 2010 Lennart Poettering
 
   systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.
 
   systemd is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  General Public License for more details.
+  Lesser General Public License for more details.
 
-  You should have received a copy of the GNU General Public License
+  You should have received a copy of the GNU Lesser General Public License
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
 #include <syslog.h>
 #include <stdbool.h>
 #include <stdarg.h>
+#include <errno.h>
 
 #include "macro.h"
 
@@ -36,6 +36,7 @@ typedef enum LogTarget{
         LOG_TARGET_SYSLOG,
         LOG_TARGET_SYSLOG_OR_KMSG,
         LOG_TARGET_AUTO, /* console if stderr is tty, JOURNAL_OR_KMSG otherwise */
+        LOG_TARGET_SAFE, /* console if stderr is tty, KMSG otherwise */
         LOG_TARGET_NULL,
         _LOG_TARGET_MAX,
         _LOG_TARGET_INVALID = -1
@@ -102,10 +103,13 @@ int log_dump_internal(
 #define log_warning(...) log_meta(LOG_WARNING, __FILE__, __LINE__, __func__, __VA_ARGS__)
 #define log_error(...)   log_meta(LOG_ERR,     __FILE__, __LINE__, __func__, __VA_ARGS__)
 
+static inline int log_oom(void) {
+       log_error("Out of memory.");
+       return -ENOMEM;
+}
+
 /* This modifies the buffer passed! */
 #define log_dump(level, buffer) log_dump_internal(level, __FILE__, __LINE__, __func__, buffer)
 
 const char *log_target_to_string(LogTarget target);
 LogTarget log_target_from_string(const char *s);
-
-#endif