about summary refs log tree commit diff
path: root/stdio-common/tst-popen.c
diff options
context:
space:
mode:
Diffstat (limited to 'stdio-common/tst-popen.c')
-rw-r--r--stdio-common/tst-popen.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/stdio-common/tst-popen.c b/stdio-common/tst-popen.c
new file mode 100644
index 0000000000..980cf935a7
--- /dev/null
+++ b/stdio-common/tst-popen.c
@@ -0,0 +1,72 @@
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdio.h>
+#include <wchar.h>
+
+static int
+do_test (void)
+{
+  FILE *f = popen ("echo test", "r");
+  int result = 0, ret;
+  char *line = NULL;
+  size_t len = 0;
+
+  if (f == NULL)
+    {
+      printf ("popen failed %m");
+      return 1;
+    }
+
+  /* POSIX says that pipe streams are byte-oriented.  */
+  if (fwide (f, 0) >= 0)
+    {
+      puts ("popen did not return byte-oriented stream");
+      result = 1;
+    }
+
+  if (getline (&line, &len, f) != 5)
+    {
+      puts ("could not read line from popen");
+      result = 1;
+    }
+  else if (strcmp (line, "test\n") != 0)
+    {
+      printf ("read \"%s\"\n", line);
+      result = 1;
+    }
+
+  if (getline (&line, &len, f) != -1)
+    {
+      puts ("second getline did not return -1");
+      result = 1;
+    }
+
+  ret = pclose (f);
+  if (ret != 0)
+    {
+      printf ("pclose returned %d\n", ret);
+      result = 1;
+    }
+
+  return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"