src/rrd_client.c: Fix a potential segmentation fault in "get_path".

[rrdtool.git] / src / rrd_client.c

diff --git a/src/rrd_client.c b/src/rrd_client.c
index b3294f4..0d21283 100644 (file)
--- a/src/rrd_client.c
+++ b/src/rrd_client.c
@@ -73,6 +73,9 @@ static const char *get_path (const char *path, char *resolved_path) /* {{{ */
   const char *ret = path;
   int is_unix = 0;
 
+  if ((path == NULL) || (resolved_path == NULL) || (sd_path == NULL))
+    return (NULL);
+
   if ((*sd_path == '/')
       || (strncmp ("unix:", sd_path, strlen ("unix:")) == 0))
     is_unix = 1;
@@ -828,7 +831,7 @@ int rrdc_fetch (const char *filename, /* {{{ */
   size_t buffer_size;
   rrdc_response_t *res;
   char path_buffer[PATH_MAX];
-  char *path_ptr;
+  const char *path_ptr;
 
   char *str_tmp;
   unsigned long flush_version;