From 7988979a722b4cdf287b2093956a76a3f19b9897 Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@uclibc-ng.org>
Date: Mon, 24 Oct 2016 20:22:12 +0200
Subject: add uClibc-ng test directory

---
 test/misc/fdopen.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 test/misc/fdopen.c

(limited to 'test/misc/fdopen.c')

diff --git a/test/misc/fdopen.c b/test/misc/fdopen.c
new file mode 100644
index 0000000..97e66de
--- /dev/null
+++ b/test/misc/fdopen.c
@@ -0,0 +1,52 @@
+/* Test for fdopen bugs.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#define assert(x) \
+  if (!(x)) \
+    { \
+      fputs ("test failed: " #x "\n", stderr); \
+      retval = 1; \
+      goto the_end; \
+    }
+
+int
+main (int argc, char *argv[])
+{
+  char name[256];
+  FILE *fp = NULL;
+  int retval = 0;
+  int fd;
+
+  /* hack to get a tempfile name w/out using tmpname()
+   * as that func causes a link time warning */
+  sprintf(name, "%s-uClibc-test.XXXXXX", __FILE__);
+  fd = mkstemp(name);
+  close(fd);
+
+  fp = fopen (name, "w");
+  assert (fp != NULL)
+  assert (fputs ("foobar and baz", fp) > 0);
+  assert (fclose (fp) == 0);
+  fp = NULL;
+
+  fd = open (name, O_RDWR|O_CREAT, 0660);
+  assert (fd != -1);
+  assert (lseek (fd, 5, SEEK_SET) == 5);
+
+  fp = fdopen (fd, "a");
+  assert (fp != NULL);
+  /* SuSv3 says that doing a fdopen() does not reset the file position,
+   * thus the '5' here is correct, not '14'. */
+  assert (ftell (fp) == 5);
+
+the_end:
+  if (fp != NULL)
+    assert (fclose (fp) == 0);
+  unlink (name);
+
+  return retval;
+}
-- 
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