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-rw-r--r--stdio-common/tst-sprintf.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/stdio-common/tst-sprintf.c b/stdio-common/tst-sprintf.c
index afbacd9037..b20561ebfd 100644
--- a/stdio-common/tst-sprintf.c
+++ b/stdio-common/tst-sprintf.c
@@ -11,9 +11,30 @@ main (void)
if (sprintf (buf, "%.0ls", L"foo") != 0
|| strlen (buf) != 0)
{
- puts ("sprintf (buf, \"%.0ls\", L\"foo\") produced some output\n");
+ puts ("sprintf (buf, \"%.0ls\", L\"foo\") produced some output");
result = 1;
}
+#define SIZE (1024*70000)
+#define STR(x) #x
+
+ char *dst = malloc (SIZE + 1);
+
+ if (dst == NULL)
+ {
+ puts ("memory allocation failure");
+ result = 1;
+ }
+ else
+ {
+ sprintf (dst, "%*s", SIZE, "");
+ if (strnlen (dst, SIZE + 1) != SIZE)
+ {
+ puts ("sprintf (dst, \"%*s\", " STR(SIZE) ", \"\") did not produce enough output");
+ result = 1;
+ }
+ free (dst);
+ }
+
return result;
}