add allocation error handling

2012-09-01 22:14:21 +02:00
parent e653894bce
commit d2608d5de7
5 changed files with 60 additions and 13 deletions
--- a/bin/mbus-serial-select-secondary.c
+++ b/bin/mbus-serial-select-secondary.c
@ -26,7 +26,7 @@ main(int argc, char **argv)
 {
    mbus_handle *handle;
    mbus_frame reply;
-    char *device, *addr;
+    char *device, *addr = NULL;
    int ret, baudrate = 9600;

    if (argc == 3)
@ -46,6 +46,12 @@ main(int argc, char **argv)
        fprintf(stderr, "    optional flag -b for selecting baudrate\n");
        return 0;
    }
+    
+    if (addr == NULL)
+    {
+        fprintf(stderr, "Failed to allocate address.\n");
+        return 1;
+    }
 
    if (strlen(addr) != 16)
    {