logd: fix internal buffer size

Signed-off-by: John Crispin <blogic@openwrt.org>

3 files changed, 19 insertions, 3 deletions

diff --git a/log/logd.c b/log/logd.c
index 5dd9932..e4f9b3f 100644
--- a/log/logd.c
+++ b/log/logd.c
@@ -14,6 +14,7 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <syslog.h>
+#include <unistd.h>
 
 #include <linux/types.h>
 
@@ -172,10 +173,22 @@ ubus_connect_handler(struct ubus_context *ctx)
 int
 main(int argc, char **argv)
 {
+	int ch, log_size = 16;
+
 	signal(SIGPIPE, SIG_IGN);
+	while ((ch = getopt(argc, argv, "S:")) != -1) {
+		switch (ch) {
+		case 'S':
+			log_size = atoi(optarg);
+			if (log_size < 1)
+				log_size = 16;
+			break;
+		}
+	}
+	log_size *= 1024;
 
 	uloop_init();
-	log_init();
+	log_init(log_size);
 	conn.cb = ubus_connect_handler;
 	ubus_auto_connect(&conn);
 	uloop_run();
diff --git a/log/syslog.c b/log/syslog.c
index fcc4a74..4cabb43 100644
--- a/log/syslog.c
+++ b/log/syslog.c
@@ -274,8 +274,11 @@ log_buffer_init(int size)
 }
 
 void
-log_init(void)
+log_init(int _log_size)
 {
+	if (_log_size > 0)
+		log_size = _log_size;
+
 	regcomp(&pat_prio, "^<([0-9]*)>(.*)", REG_EXTENDED);
 	regcomp(&pat_tstamp, "^\[[ 0]*([0-9]*).([0-9]*)] (.*)", REG_EXTENDED);
 
diff --git a/log/syslog.h b/log/syslog.h
index dc712ff..b682ced 100644
--- a/log/syslog.h
+++ b/log/syslog.h
@@ -30,7 +30,7 @@ struct log_head {
 	char data[];
 };
 
-void log_init(void);
+void log_init(int log_size);
 void log_shutdown(void);
 
 typedef void (*log_list_cb)(struct log_head *h);