1 files changed, 54 insertions, 0 deletions
diff --git a/sim/testsuite/sim/cris/c/fdopen1.c b/sim/testsuite/sim/cris/c/fdopen1.c
new file mode 100644
index 00000000000..cdfe19af7d7
--- /dev/null
+++ b/sim/testsuite/sim/cris/c/fdopen1.c
@@ -0,0 +1,54 @@
+/* Check that the syscalls implementing fdopen work trivially.  */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+void
+perr (const char *s)
+{
+  perror (s);
+  exit (1);
+}
+
+int
+main (void)
+{
+  FILE *f;
+  int fd;
+  const char fname[] = "sk1test.dat";
+  const char tsttxt1[]
+    = "This is the first and only line of this file.\n";
+  char buf[sizeof (tsttxt1)] = "";
+
+  fd = open (fname, O_WRONLY|O_TRUNC|O_CREAT, S_IRWXU);
+  if (fd <= 0)
+    perr ("open-w");
+
+  f = fdopen (fd, "w");
+  if (f == NULL
+      || fwrite (tsttxt1, 1, strlen (tsttxt1), f) != strlen (tsttxt1))
+    perr ("fdopen or fwrite");
+
+  if (fclose (f) != 0)
+    perr ("fclose");
+
+  fd = open (fname, O_RDONLY);
+  if (fd <= 0)
+    perr ("open-r");
+
+  f = fdopen (fd, "r");
+  if (f == NULL
+      || fread (buf, 1, sizeof (buf), f) != strlen (tsttxt1)
+      || strcmp (buf, tsttxt1) != 0
+      || fclose (f) != 0)
+    {
+      printf ("fail\n");
+      exit (1);
+    }
+
+  printf ("pass\n");
+  exit (0);
+}