1 files changed, 24 insertions, 1 deletions
diff --git a/stdlib/tst-fmtmsg.c b/stdlib/tst-fmtmsg.c
index 0b244e2bc0..055478963a 100644
--- a/stdlib/tst-fmtmsg.c
+++ b/stdlib/tst-fmtmsg.c
@@ -1,6 +1,7 @@
 #include <fmtmsg.h>
 #include <mcheck.h>
 #include <stdio.h>
+#include <string.h>
 
 
 #define MM_TEST 10
@@ -12,11 +13,13 @@ main (void)
 
   mtrace ();
 
-  if (addseverity (MM_TEST, "TEST") != MM_OK)
+  char TEST[] = "ABCD";
+  if (addseverity (MM_TEST, TEST) != MM_OK)
     {
       puts ("addseverity failed");
       result = 1;
     }
+  strcpy (TEST, "TEST");
 
   if (fmtmsg (MM_PRINT, "GLIBC:tst-fmtmsg", MM_HALT, "halt",
 	      "should print message for MM_HALT", "GLIBC:tst-fmtmsg:1")
@@ -54,5 +57,25 @@ main (void)
       result = 1;
     }
 
+  if (addseverity (MM_TEST, NULL) != MM_NOTOK)
+    {
+      puts ("third addseverity unexpectedly succeeded");
+      result = 1;
+    }
+
+  char *p = strdup ("TEST2");
+  if (addseverity (MM_TEST, p) != MM_OK)
+    {
+      puts ("fourth addseverity failed");
+      result = 1;
+    }
+  if (addseverity (MM_TEST, "TEST3") != MM_OK)
+    {
+      puts ("fifth addseverity failed");
+      result = 1;
+    }
+
+  free (p);
+
   return result;
 }