X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrdtool.c;h=4a3c345ef3ae34f198f8ce89f5b4806e2fe51b95;hb=749b03b3fc459895b7415c7c13753066bf0af55b;hp=c795e2656502685ca353937ddda2b9defcd3a518;hpb=1894607dc4c03ce20db7c5256c97890aa70bcaa5;p=collectd.git

diff --git a/src/rrdtool.c b/src/rrdtool.c
index c795e265..4a3c345e 100644
--- a/src/rrdtool.c
+++ b/src/rrdtool.c
@@ -204,7 +204,7 @@ static int value_list_to_string_multiple (char *buffer, int buffer_len,
 	int offset;
 	int status;
 	time_t tt;
-	int i;
+	size_t i;
 
 	memset (buffer, '\0', buffer_len);
 
@@ -227,7 +227,7 @@ static int value_list_to_string_multiple (char *buffer, int buffer_len,
 					":%llu", vl->values[i].counter);
 		else if (ds->ds[i].type == DS_TYPE_GAUGE)
 			status = ssnprintf (buffer + offset, buffer_len - offset,
-					":%lf", vl->values[i].gauge);
+					":"GAUGE_FORMAT, vl->values[i].gauge);
 		else if (ds->ds[i].type == DS_TYPE_DERIVE)
 			status = ssnprintf (buffer + offset, buffer_len - offset,
 					":%"PRIi64, vl->values[i].derive);
@@ -262,7 +262,7 @@ static int value_list_to_string (char *buffer, int buffer_len,
 				(unsigned) tt, vl->values[0].derive);
 			break;
 		case DS_TYPE_GAUGE:
-			status = ssnprintf (buffer, buffer_len, "%u:%lf",
+			status = ssnprintf (buffer, buffer_len, "%u:"GAUGE_FORMAT,
 				(unsigned) tt, vl->values[0].gauge);
 			break;
 		case DS_TYPE_COUNTER:
@@ -733,7 +733,10 @@ static int rrd_cache_insert (const char *filename,
 	{
 		rc = malloc (sizeof (*rc));
 		if (rc == NULL)
+		{
+			pthread_mutex_unlock (&cache_lock);
 			return (-1);
+		}
 		rc->values_num = 0;
 		rc->values = NULL;
 		rc->first_value = 0;
@@ -743,6 +746,7 @@ static int rrd_cache_insert (const char *filename,
 		new_rc = 1;
 	}
 
+	assert (value_time > 0); /* plugin_dispatch() ensures this. */
 	if (rc->last_value >= value_time)
 	{
 		pthread_mutex_unlock (&cache_lock);
@@ -1004,23 +1008,32 @@ static int rrd_config (const char *key, const char *value)
 	}
 	else if (strcasecmp ("DataDir", key) == 0)
 	{
-		if (datadir != NULL)
-			free (datadir);
-		datadir = strdup (value);
-		if (datadir != NULL)
+		char *tmp;
+		size_t len;
+
+		tmp = strdup (value);
+		if (tmp == NULL)
 		{
-			int len = strlen (datadir);
-			while ((len > 0) && (datadir[len - 1] == '/'))
-			{
-				len--;
-				datadir[len] = '\0';
-			}
-			if (len <= 0)
-			{
-				free (datadir);
-				datadir = NULL;
-			}
+			ERROR ("rrdtool plugin: strdup failed.");
+			return (1);
 		}
+
+		len = strlen (datadir);
+		while ((len > 0) && (datadir[len - 1] == '/'))
+		{
+			len--;
+			datadir[len] = 0;
+		}
+
+		if (len == 0)
+		{
+			ERROR ("rrdtool plugin: Invalid \"DataDir\" option.");
+			sfree (tmp);
+			return (1);
+		}
+
+		sfree (datadir);
+		datadir = tmp;
 	}
 	else if (strcasecmp ("StepSize", key) == 0)
 	{
@@ -1203,6 +1216,7 @@ static int rrd_init (void)
 	cache = c_avl_create ((int (*) (const void *, const void *)) strcmp);
 	if (cache == NULL)
 	{
+		pthread_mutex_unlock (&cache_lock);
 		ERROR ("rrdtool plugin: c_avl_create failed.");
 		return (-1);
 	}