1 files changed, 105 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/test-popen.c b/REORG.TODO/stdio-common/test-popen.c
new file mode 100644
index 0000000000..44b09fa129
--- /dev/null
+++ b/REORG.TODO/stdio-common/test-popen.c
@@ -0,0 +1,105 @@
+/* Copyright (C) 1997-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static void
+write_data (FILE *stream)
+{
+  int i;
+  for (i=0; i<100; i++)
+    fprintf (stream, "%d\n", i);
+  if (ferror (stream))
+    {
+      fprintf (stderr, "Output to stream failed.\n");
+      exit (1);
+    }
+}
+
+static void
+read_data (FILE *stream)
+{
+  int i, j;
+
+  for (i=0; i<100; i++)
+    {
+      if (fscanf (stream, "%d\n", &j) != 1 || j != i)
+	{
+	  if (ferror (stream))
+	    perror ("fscanf");
+	  puts ("Test FAILED!");
+	  exit (1);
+	}
+    }
+}
+
+static int
+do_test (void)
+{
+  FILE *output, *input;
+  int wstatus, rstatus;
+
+  /* We must remove this entry to assure the `cat' binary does not use
+     the perhaps incompatible new shared libraries.  */
+  unsetenv ("LD_LIBRARY_PATH");
+
+  output = popen ("/bin/cat >/tmp/tstpopen.tmp", "w");
+  if (output == NULL)
+    {
+      perror ("popen");
+      puts ("Test FAILED!");
+      exit (1);
+    }
+  write_data (output);
+  wstatus = pclose (output);
+  printf ("writing pclose returned %d\n", wstatus);
+  input = popen ("/bin/cat /tmp/tstpopen.tmp", "r");
+  if (input == NULL)
+    {
+      perror ("/tmp/tstpopen.tmp");
+      puts ("Test FAILED!");
+      exit (1);
+    }
+  read_data (input);
+  rstatus = pclose (input);
+  printf ("reading pclose returned %d\n", rstatus);
+
+  remove ("/tmp/tstpopen.tmp");
+
+  errno = 0;
+  output = popen ("/bin/cat", "m");
+  if (output != NULL)
+    {
+      puts ("popen called with illegal mode does not return NULL");
+      puts ("Test FAILED!");
+      exit (1);
+    }
+  if (errno != EINVAL)
+    {
+      puts ("popen called with illegal mode does not set errno to EINVAL");
+      puts ("Test FAILED!");
+      exit (1);
+    }
+
+  puts (wstatus | rstatus  ? "Test FAILED!" : "Test succeeded.");
+  return (wstatus | rstatus);
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"