X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-snprintf.c;h=108346e12902e524d8b2579c4124c913854eded5;hb=ed0ba878a26a653b4ab0547cd59a587ecbc6acb3;hp=62a411bf913415c82d57555dfa2801a02a7e4065;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/tests/test-snprintf.c b/tests/test-snprintf.c
index 62a411bf9..108346e12 100644
--- a/tests/test-snprintf.c
+++ b/tests/test-snprintf.c
@@ -1,5 +1,5 @@
 /* Test of snprintf() function.
-   Copyright (C) 2007-2010 Free Software Foundation, Inc.
+   Copyright (C) 2007-2013 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -34,15 +34,16 @@ main (int argc, char *argv[])
   int size;
   int retval;
 
+  retval = snprintf (NULL, 0, "%d", 12345);
+  ASSERT (retval == 5);
+
   for (size = 0; size <= 8; size++)
     {
       memcpy (buf, "DEADBEEF", 8);
       retval = snprintf (buf, size, "%d", 12345);
+      ASSERT (retval == 5);
       if (size < 6)
         {
-#if CHECK_SNPRINTF_POSIX
-          ASSERT (retval < 0 || retval >= size);
-#endif
           if (size > 0)
             {
               ASSERT (memcmp (buf, "12345", size - 1) == 0);
@@ -51,14 +52,21 @@ main (int argc, char *argv[])
 #if !CHECK_SNPRINTF_POSIX
           if (size > 0)
 #endif
-            ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
+            ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0);
         }
       else
         {
-          ASSERT (retval == 5);
           ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
         }
     }
 
+  /* Test the support of the POSIX/XSI format strings with positions.  */
+  {
+    char result[100];
+    retval = snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
+    ASSERT (strcmp (result, "55 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
   return 0;
 }