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authorZack Weinberg <zackw@panix.com>2017-06-08 15:39:03 -0400
committerZack Weinberg <zackw@panix.com>2017-06-08 15:39:03 -0400
commit5046dbb4a7eba5eccfd258f92f4735c9ffc8d069 (patch)
tree4470480d904b65cf14ca524f96f79eca818c3eaf /REORG.TODO/stdio-common/tst-obprintf.c
parent199fc19d3aaaf57944ef036e15904febe877fc93 (diff)
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Prepare for radical source tree reorganization.zack/build-layout-experiment
All top-level files and directories are moved into a temporary storage directory, REORG.TODO, except for files that will certainly still exist in their current form at top level when we're done (COPYING, COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which are moved to the new directory OldChangeLogs, instead), and the generated file INSTALL (which is just deleted; in the new order, there will be no generated files checked into version control).
Diffstat (limited to 'REORG.TODO/stdio-common/tst-obprintf.c')
-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"