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-rw-r--r--stdlib/fmtmsg.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/stdlib/fmtmsg.c b/stdlib/fmtmsg.c
index b5d7436956..2ab97b7d90 100644
--- a/stdlib/fmtmsg.c
+++ b/stdlib/fmtmsg.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1999,2000-2003,2005 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1999,2000,2001,2002,2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -316,7 +316,7 @@ internal_addseverity (int severity, const char *string)
   int result = MM_OK;
 
   /* First see if there is already a record for the severity level.  */
-  for (runp = severity_list, lastp = NULL; runp != NULL; runp = runp->next)
+  for (runp = severity_list, lastp = NULL; runp != NULL; runp = runp-> next)
     if (runp->severity == severity)
       break;
     else
@@ -324,6 +324,9 @@ internal_addseverity (int severity, const char *string)
 
   if (runp != NULL)
     {
+      /* Release old string.  */
+      free ((char *) runp->string);
+
       if (string != NULL)
 	/* Change the string.  */
 	runp->string = string;
@@ -364,17 +367,34 @@ int
 addseverity (int severity, const char *string)
 {
   int result;
+  const char *new_string;
 
   /* Prevent illegal SEVERITY values.  */
   if (severity <= MM_INFO)
     return MM_NOTOK;
 
+  if (string == NULL)
+    /* We want to remove the severity class.  */
+    new_string = NULL;
+  else
+    {
+      new_string = __strdup (string);
+
+      if (new_string == NULL)
+	/* Allocation failed or illegal value.  */
+	return MM_NOTOK;
+    }
+
   /* Protect the global data.  */
   __libc_lock_lock (lock);
 
   /* Do the real work.  */
   result = internal_addseverity (severity, string);
 
+  if (result != MM_OK)
+    /* Free the allocated string.  */
+    free ((char *) new_string);
+
   /* Release the lock.  */
   __libc_lock_unlock (lock);
 
@@ -391,6 +411,7 @@ libc_freeres_fn (free_mem)
       {
 	/* This is data we have to release.  */
 	struct severity_info *here = runp;
+	free ((char *) runp->string);
 	runp = runp->next;
 	free (here);
       }