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-rw-r--r--REORG.TODO/stdio-common/tst-obprintf.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/tst-obprintf.c b/REORG.TODO/stdio-common/tst-obprintf.c
new file mode 100644
index 0000000000..51515932ad
--- /dev/null
+++ b/REORG.TODO/stdio-common/tst-obprintf.c
@@ -0,0 +1,45 @@
+#include <mcheck.h>
+#include <obstack.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+static int
+do_test (void)
+{
+  struct obstack ob;
+  int n;
+
+  mcheck_pedantic (NULL);
+
+#define obstack_chunk_alloc malloc
+#define obstack_chunk_free free
+
+  obstack_init (&ob);
+
+  for (n = 0; n < 40000; ++n)
+    {
+      mcheck_check_all ();
+      obstack_printf (&ob, "%.*s%05d", 1 + n % 7, "foobarbaz", n);
+      if (n % 777 == 0)
+	obstack_finish (&ob);
+    }
+
+  /* Another loop where we finish all objects, each of size 1.  This will
+     manage to call `obstack_print' with all possible positions inside
+     an obstack chunk.  */
+  for (n = 0; n < 40000; ++n)
+    {
+      mcheck_check_all ();
+      obstack_printf (&ob, "%c", 'a' + n % 26);
+      obstack_finish (&ob);
+    }
+
+  /* And a final check.  */
+  mcheck_check_all ();
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"