From 1d490d6a92c653d4a39379f043ffbf9c6d4c54e5 Mon Sep 17 00:00:00 2001
From: Philipp Hancke <fippo@goodadvice.pages.de>
Date: Thu, 12 Mar 2009 06:38:07 +0100
Subject: [PATCH] applied patch from zesstra which fixed ldmud bug #498

---
 src/pkg-idna.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/pkg-idna.c b/src/pkg-idna.c
index f243ddd..21ca9b1 100644
--- a/src/pkg-idna.c
+++ b/src/pkg-idna.c
@@ -137,6 +137,7 @@ f_idna_stringprep (svalue_t *sp)
     /* Get and check the flags. */
     {
         p_uint argflags = (p_uint)sp->u.number;
+        sp--;
 
         if (argflags > (STRINGPREP_FLAG_MAX << 1)-1
          || argflags & (STRINGPREP_NO_NFKC_FLAG | STRINGPREP_NO_BIDI_FLAG)
@@ -151,12 +152,11 @@ f_idna_stringprep (svalue_t *sp)
         if (argflags & STRINGPREP_NO_NFKC_FLAG) flags |= STRINGPREP_NO_NFKC;
         if (argflags & STRINGPREP_NO_BIDI_FLAG) flags |= STRINGPREP_NO_BIDI;
         if (argflags & STRINGPREP_NO_UNASSIGNED_FLAG) flags |= STRINGPREP_NO_UNASSIGNED;
-	free_svalue(sp--);
     }
 
     /* Get and check the profile */
     prof = (int)sp->u.number;
-    free_svalue(sp--);
+    sp--;
 
     /* select the profile */
     switch(prof)
@@ -214,12 +214,13 @@ f_idna_stringprep (svalue_t *sp)
 
     if (ret != STRINGPREP_OK)
     {
-        put_number(sp, -ret);
         errorf("stringprep(): Error %s", stringprep_strerror(ret));
         /* NOTREACHED */
-    } 
+    }
     else 
     {
+        // free the string argument
+        free_svalue(sp);
         put_c_string(sp, buf);
     }